Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HT-R370 hfe_onkyo_ht-r370_service

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
hfe_onkyo_ht-r370_service


>> Download hfe_onkyo_ht-r370_service documenatation <<

Text preview - extract from the document
                                                                     HT-R370

                                                           Ref. No. 4131
                                                                 032009
                      SERVICE MANUAL


                     AV RECEIVER
               MODEL HT-R370(B)(S)




                                                           RC-735M

Black and Silver models
B MDD, B MDC         120V AC, 60Hz
B MMO, S MMO         220-240V AC, 50/60Hz
B MPP                230V AC, 50Hz




           SAFETY-RELATED COMPONENT
           WARNING!!
           COMPONENTS IDENTIFIED BY MARK      ON THE
           SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
           CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
           REPLACE THESE COMPONENTS WITH ONKYO
           PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
           IN THIS MANUAL.
           MAKE LEAKAGE-CURRENT OR RESISTANCE
           MEASUREMENTS TO DETERMINE THAT EXPOSED
           PARTS ARE ACCEPTABLY INSULATED FROM THE
           SUPPLY CIRCUIT BEFORE RETURNING THE
           APPLIANCE TO THE CUSTOMER.
                                                                                                                                                               HT-R370



EXPLODED VIEW
                                                                                            A354
P901                                                                                        x 8 pcs.                                            A360
          A103         A105
          x 4 pcs.     x 25 pcs.                 U004                                         A350
       A056

A070
                                            P101                                A256

                                         A262                                   U002
                                                                                                               A342
                       U010                                                                                    x 7 pcs.
                                                                       A062                                                                         A340
                          U0032
                                                           A021        x 3 pcs.
                                             F6901C                                               U001-3 A042                                A362
                             F6901                         x 2 pcs.
                                             F6902C                               A036 A044              x 2 pcs.
A101            A6601A       F6902                                    U001        x 2 pcs.
                x 4 pcs.
                                                                             A038                                     P701 A264
                      F901                                                   x 2 pcs.
                                                                                                       A034                       A262
              F901C

                                                                                           A225
                                     A050                                                  x 27 pcs.                                    A264
              U0033                  x 4 pcs.                                                                              U003         x 2 pcs. A238
                                                                                                                                                 x 2 pcs.
                                                A040                                                                              A232
                      A025                                                                                                        x 5 pcs. A230       A236
                      x 4 pcs.                  x 2 pcs.                       A030
                                                                                                                           A219                         A258
                                                    A064                                                                                                x 2 pcs.
                      U0012                                           A032
                                                     A040                                                                                                    A201
                      U0011
                                                     A040                     U0031                                                      A252
                                                     x 2 pcs.                                                                                                 A205
                       T901                                                              A221 A213

                                                                                           A215
                                                                                                  A217                    A250
                           A001
                                                                                           A036
                       A060                                                                x 2 pcs. A238
                       x 3 pcs.                                               A013                  x 2 pcs.                                                   A330
                                                                              x 2 pcs.                            A234
              A003     A019                                                                            A258          A207                       A203
              x 4 pcs.                                                        A009                     x 2 pcs.
                                     A015                                     x 3 pcs.
              A007




                                                                                                                                                                      HT-R370
              x 4 pcs.                                                                                               A260
              A005                   A011          A069        A040                                                  x 3 pcs.
              x 4 pcs.                                     A010                  U003-4
                                                                                                                                                                                                                           TH-R370
                     A                                     B                                    C                                                                    D                                    E
    BLOCK DIAGRAMS-1(PART-1)                                                AUDIO ANALOG SIGNAL
                                                                            FRONT L

    AUDIO SECTION                                                           FRONT R

                                                                            AUDIO DIGITAL SIGNAL




1
         MULTI MEDIA UNIT

                                  MULTI MEDIA
                                                           TUNER PACK                                                                                                                                                                     Q5

                                                                                85
                                                      IN
                                      MULTI




                                                                                                            MAIN R
                                                                                              MAIN L




                                                                                                                     SUB L
                                                                                86


               MIC                AUX                                                                                                                                                                     FL 94




                                                                                                                             SUBR
      TX-SR307 YES                YES                                           82
                                                                                                                                                                                             INVERTING
      HT-R370 NO                  NO                                                                                                                   55
                                                                                                                                                                                                                 43

      HT-R570 YES                 YES
                                                                                81
                                                                                                                                                       54                                                 FR 93

2                    FRONT BOARD          MIC AMP
             MIC                              Q7401
                                                                                73                                                                                                           INVERTING           42



                                                                                72                                                                                                                       CEN 95
                                          MICDET

                                                                            L   78
                                                                                                                                                                                                                 38

        AUX IN
        (FRONT IN)                                                                                                                                                                                               98
                                                                           R    79


                                                                                                                                                                                                                 41

                                                                                71
       MINI JACK
        (FRONT IN)                                                                                                                                                                                               97

3                                                                               70

                                                                                                                                                                                                                 40

               CD
                                                                                68
                                                                                                                                                                                                         SW      96



                                                                                69
       TAPE OUT                                                                                                                                                                                                  39



                                                                                66                                                                                                                       SL     100




        TAPE IN                                                                 67
                                                                                                                                                                                                                 37



                                                                                                                                                                                                         SR      99
                                                                                64
4
                                                                                                                                                                                                                 36

                                                                                65
     CBL/SAT IN
                                                                                                                                                                                                                 44

                                                                                62

                                                                                                                                                                                                                 45

    VCR/DVR OUT
                                                                                63




                                                                                60

     VCR/DVR IN
                                                                                61


5            DVD
                                                                                58
                                                                                                                                             REC R
                                                                                                                                    REC L




                                                                                59




                                                                        REC L
         COAX 1                                                                 90
                                                                                                                                                       47

                                                                                                                                                       Z2 L
                                                                        REC R   91
                                                                                                                                                       46

                                                                                                                                                       Z2 R
                                                                                76




6          OPT1                                                                 75




           OPT2                                                                 84




                                                                                83



      HDMI
                                                                                                                                                                     FR          FL            C                      SW             SL

       HDMI IN4
       HT-R570 ONLY
                                                                                                                                                                             LPF




                                                                                                                                                                                         LPF




                                                                                                                                                                                                                 LPF




                                                                                                                                                                                                                                 LPF
                                                                                                                                                                          Q401




                                                                                                                                                                                      Q402




                                                                                                                                                                                                              Q402




                                                                                                                                                                                                                              Q403
                                                                                                                                                                LPF
                                                                                                                                                              Q401




         IN4
                                                                                                                                                                     32
                                                                                                                                                                     33




                                                                                                                                                                                 31
                                                                                                                                                                                 30




                                                                                                                                                                                               36
                                                                                                                                                                                               37




                                                                                                                                                                                                                      35
                                                                                                                                                                                                                      34




                                                                                                                                                                                                                                     28
                                                                                                                                                                                                                                     29




7
                                                                                                       16

         IN3                                                                              -
                                                                                                       15
                                                                                                       14                                   2ch ADC
                                                                                                       13


                                                                                          -
         IN2                                                                                           49

                       Micro
                     Controller    HDMI
                                                                                                       43
                                                                                                       42                                                                                                                        8ch DAC
                                    RX                                                                 44

         IN1                                                                                           45                                        DIR
                                                                                                       46
                                                                                                       48
                                                                                                       47
                                                                                                                                                                                                                     Q301 CS42518
                                                                                                       50
        OUT                        HDMI
                                    TX

8
                                                                                                                                                                                                                                                   HT-R370
                 F                               G                                            H                                              I                                                  J                                                    K




                                                                                                                                                                                                     HEADPHONES
Q5501                R2A15218FP

                                       23       FL

                      TONE


                                       24                                                                POWER AMPLIFIER                                                                                       SPEAKER TERMINALS

                                                                                                                     +29dB
                                                                                                                                                                                                                          FRONT LEFT
                                       21       FR

                      TONE


                                       20                                                                            +29dB
                                                                                                                                                                                                                          FRONT RIGHT


                                       17       C
                                                                                                                     +29dB
                                                                                                                                                                                                                          CENTER


                                       11       SL                                                                   +29dB
                                                                                                                                                                                                                          SURR LEFT
                                       12


                                                                                                                     +29dB
                                       9    SR                                                                                                                                                                            SURR RIGHT

                                       8


                                                                                                                     +29dB
                                       15       SW
                                                                                                                                                                                                                           SUBWOOFER
                                                                                                                                                                                                                           HT-R370
                                                                                                                                                                                                                            ONLY
                                       14
                                            +




                                       5
                                                                                                  SW-PREOUT                                                                                                               SP B LEFT
                                                                                                  TX-SR307
                                                                                                  ONLY
                                       6



                                                                                                                                                                                                                          SP B RIGHT
                                       3
                                                                                                                                                                                                                          RIGHT
                                       2
                                                                                                                                                                HP RL
                                                                                                                                                                AMUT




                                                                                                                                                                        CSRL

                                                                                                                                                                        HP IN
                                                                                                                                                                        SP B
                                                                                                                                                                        FRL




                                                                                                                                                                                       RI
                                                                                                                                                                                   INTERFACE                              RI




                                                                                 Q282                     Q281
                                                                              FLASH ROM                 SD_RAM
                                                                                16M Bit                  16M bit
                                                                                                                            38
                                                                                                                                 SDRAM CLK
                                                                                                                        133MHz




            SR




                                                                                                                                                                                                                 FRONT BOARD
        LPF
     Q403




                                                           BCLK 3.07MHz     142
                                                           LRCK 48KHz       144                 Q201
                                                                            117
                                                                                                                      70
                                                                                                                                                                                    MICOM                                  Q7003
            27
            26




                             22
                             23




                                  21
                                  20




                                                                            116
                                                                                                DSP                   108 DSPCLK                       DSPCLK      29                                7         FLDCLK 7
                                                                            115
                                                                            113
                                                                                             TMS320D788E
                                                                                                                      110 DIGSDO                       DIGSDI
                                                                                                                                                       DIGSDO
                                                                                                                                                                   59
                                                                                                                                                                   60
                                                                                                                                                                                     Q701            6         FLDSDO 8
                                                                                                                                                                                                                           M66005
                                                                             2
                                                                                                                      111 DIGSDI                 SPI
                                                                                                                                                       DIGCLK      58         M30627FJPGP
                                                                                                                                                                                                                                   XOUT 12

                                                                                                                                                                                                                                             13




                                                      2
                                                      3
                                                                                                                                                                                                                                             XIN
                                                                                                                                                                         XOUT 18

                                                                                                                                                                                   20




                                                                                                                                                                                          10
                                                                                                                                                                                           9
                                                                                                                                                                                           8




                                                      62
                                                      63                                                                                                                                                                             500KHz
                                                                                                                                                                                   XIN




                                                      64
                                                                                                                17




                                                      1
                                                                                                                                                                                                         SPI
                                                                                                          120
                                                                                                          139
                                                                                                          141




                                                                                                                                                                          1

                                                                                                                                                                                   2




C                                                     55     12.288MHz
                                                             DSP_RMCLK
                                                                                                                                                                        XTAL-X701
                                                                                                                                                                                                SO
                                                                                                                                                                                               SI
                                                                                                                                                                                                               SO
                                                                                                                                                                                                               SI
                                                                                                                                                                                                                     2
                                                                                                                                                                                                                     5
                                                                                                                                                                                                                           Q610
                                                      7
                                                                                                                                                                                                                          EEPROM
                                                      8                                                                          SPI                                      6MHz                 CLK             CLK   6
                                                      9

                                                      61   BCLK   3.07MHz

18                                                    60
                                                      54
                                                           LRCK   48KHz

                                                                              I2S(DIR/ADC)                      17.734MHz
                                                                                                                            1
                                                                                                                                    XTAL-X202


                                                     59           24.576MHz

                                                                                                                            1
                                                                                                                                    XTAL-X171
                                                                                                                24.576MHz
                                                                                                                                            HT-R370
                   A                                                B                                   C                                    D
    BLOCK DIAGRAMS-2_1 (PART-2_1)
    VIDEO SECTION
    VIDEO SECTION

1

                          HT-R570 ONLY
                                               TMDS3
                                     TMDS
                                               CEC
                                      CEC
                                               DDC3
                           HDMI IN4   DDC
                                               RPWR3
                                       +5V
                                               HPD3
                                    HP DET

                                               TMDS2
                                     TMDS
                                               CEC
                                      CEC
                                               DDC2
                           HDMI IN3   DDC
                                               RPWR2
                                       +5V
                                               HPD2
                                    HP DET

                                               TMDS1                              TMDS
                                       TMDS                                                                 TMDS
                                               CEC                                DDC
                                        CEC                              PS421                              CEC
                                               DDC1                               RPWR
                           HDMI IN2     DDC                             HDMI SW                             DDC      HDMI OUT
                                               RPWR1                              HPD     S-812C50BUC       +5V
2
                                         +5V
                                               HPD1                                       (Q8805)
                                      HP DET                                      I2C                       HP DET
                                                                                           +5V Reg
                                               TMDS0
                                       TMDS
                                               CEC
                                        CEC
                                               DDC0
                           HDMI IN1     DDC
                                               RPWR0
                                         +5V
                                               HPD0
                                      HP DET




            Y1

3
           CB1



           CR1
                                                         NJM1326FH2

            Y2

                                                        PY
           CB2
                                                                    6dB             DRV
                                                                                                                         Y
                                                                                    DRV
           CR2

                                                                                    DRV                                         COMPONENT
                                                                                                                         CB
                                                                                                                                   OUT
       COMPONENT VIDEO INPUT
                                                        PB
                                                                    6dB             DRV                                  CR

4                                                                                   DRV

                                                                                    DRV
                                                                                                                         MONITOR

                                                        PR
                                                                    6dB             DRV                                  VCR/DVR
          DVD

                                                                                    DRV
                                                                                                            COMPOSITE VIDEO OUTPUT
       VCR/DVR                                                                      DRV


       CBL/SAT




                                                        CV
                                                                    4/6dB           DRV
        AUX1
        (FRONT)
                                                                                    DRV

5        COMPOSITE VIDEO INPUT
                                                                                    DRV
                                                             MUTE
                                                  I2C
                                                                                                                                                                                                                             HT-R370

                A                                                   B                                                           C                                                       D                                E
    BLOCK DIAGRAMS-2_2 (PART-2_2)
    POWER SUPPLY SECTION
     POWER SUPPLY SECTION
1                                                                                                                                                          +3.3V
                                                                                                                                                                                                            MPU Board

                                                                                                                                                                            50mA
                                                                                                                                                          I    O                               MPU




                                                                                                                                                            G
                                                                                                                                                                                                             M.PORT

                                                                                                                                                                    300mA

                                        PS Board
            SUB TRANS
                                                                                                                                                           +5V
                        2                                                                                                                                           100mA
                                                                                                                                                          I    O                            ANALOG VIDEO   VIDEO Board




                                                                                                                                                            G
                        1
                                                                                                                                                                    200mA
                                                                                                                                                                                               CODEC
                                                                                                                                                                                +3.3V
                                                                                                                                                                               I    O




                                                                                                                                                                                   G
        MAIN TRANS
                        18
                                                                               VFD
          S4
2
                                                                              DRIVER
                                                                                                                                                                                                           HDMI Board
                        17
                                                                                                                                                           +3.3V
                                  FLAC                                                                                               DC-DC      +4V
                                                                                                                                                          I    O
                                                                                                                                                                    500mA
                        16                                              VFD




                                                                                                                                                            G
                                                                                                                                                           +1.8V                               HDMI
                                                                                       O        I                                                                   500mA




                                                                                           G
                                                                              +3.3V                                                                       I    O




                                                                                                                                                            G
          S3                                                                                                                                    +4V
                                                                                                                                                           +3.3V
                                                                                                                                                                    250mA
                                                                                                                                     DC-DC                I    O




                                                                                                                                                            G
                                                                                                                                                                                               DSP
                        14        -VP
                                                                                                                                                           +1.2V                               SDRAM
                                                                                                                                                                    500mA
                                                                                                                                                          I    O                               FROM




                                                                                                                                                            G
                                                      VIDEO Board
                                                                                                    I       O
                                                                                                        G




                                                                                                                +5V
                         11




          S2
                                                                                                                                    MPU Board
                        13        DIGITAL
                                                                                                                                     ZENNER +9V                 110mA

3
                                                                                                                                                                                   TUNER
                                                                                                                                     TR


                                                                                                                                                                                   OPAMP

                                                                                                                       +15V
                                                                                                                                     ZENNER     +7V
                                                                                                                      I    O
                                                                                                                        G




                                                                                                                                     TR
                                                                                                                                                         ASP
                                                                                                                       -15V
                                                                                                                                     ZENNER     -7V
                                                                                                                      I     O
                                                                                                                        G




                                                                                                                                     TR
                        10                         S1H+



                        9                          S1L+


                                                                                                                                                ASP& Board
                        8
          S1                                                                               +B
                        7                          S1L-                                                 Power Amp
                                                                                           -B




                                                                                                                                                                                                                                   HT-R370
4                       6                          S1H-

                             POWER AMP
                                                                                                                                                                                                                                   HT-R370

                                A                                               B                                         C                                            D                                          E
    BLOCK DIAGRAMS-2_3 (PART-2_3)
    WIRING SECTION


1




                                                                                                                                                            JL7101A




                                                                                                                                                                                   JL7101B
                                                                                                                                                                      9P CABLE




                                                                    P701B
                                                       33P FFC

                                                                                                                 DISPLAY
                                                                                                                                                                                 BADIS-0037
                      33P FFC




                                                                                                                 BADIS-0036


                                                                                                                                                                             HP JACK
                                                                                                                                                                             BAETC-0040
                                                                                                                                                                                 JL6605A




                                                                                                                                                                                                                                    5P or 2P CABLE
                           CPU                                                                                                                                         5P CABLE
2
      P701A




                           BADG-0022                                                                                                              JL6605B                                               POWER TRANS
                                              P5504A




                                                                       P5504B




                                                       9P SOCKET




                                                                                                                                                 P6900B
        33P FFC
                                                                                                        AMP
                                                                                                        BAAF-0002                                                                      BAPS-0004
                                                                                                                                     C6901                C6902                                         JL9101A       JL901A
                                             P5503A




                                                                       P5503B




                                                       9P SOCKET
                                                                                           JL801A                                                                                                                       BAPS-0003
     JL901B
                                5P CABLE                                                                               5P CABLE                                                              9P CABLE

                                                                                                                                                                                                                      P911(2P)
                                                                                11P FFC
                                             P5502A




                                                                                                                                                                         JL9101B
                                                                      P5502B




                                                                                                                                                                                                           JL901A
              P101A




                                                       15P SOCKET                                                                                                                                                       P912(5P)
                                                                                                        JL801A                                                                     5P CABLE




                                                                                                                                        JL901A
                                                                                          P2001B




                                                       26P SOCKET                                         5P CABLE
                                                                                                                                                                           7P CABLE
3                                                                                                  VIDEO
                                    P2001A




                                                                                                                        TUNER UNIT
                                             P5501A




                                                        7P SOCKET
                                                                      P5501B




                                                                                                   BADIS-0036                                                                                                                      P901
        P8001A




                                                                                                                                                                                                        PWO SUPPLY
                                                                                                                           JL801B                                                                       BAPS-0039
                                                                                 P8001B




                                               24P SOCKET
                                                                                                    HDMI
                                                                                                    BAHDM-0058



4




                                                                                                                                                                                                                                                     HT-R370
                                                                                                                                                                                                                                                                                                                                                                                                                        HT-R370
               A                                                                                                             B                                          C                                                                                           D                                                                                                                                 E
    SCHEMATIC DIAGRAMS-1 (PART-3)                                                                                                                             AUDIO ANALOG SIGNAL
                                                                                                                                                              FRONT L
                                                                                                                                                                                                                     
                                                



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo