Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HTX-22HD hfe_onkyo_htx-22hd_service

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hfe_onkyo_htx-22hd_service


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                                                           HTX-22HD

                                                  Ref. No. 4073
                                                        062008
           SERVICE MANUAL


DIGITAL SURROUND SYSTEM
 MODEL HTX-22HD(B)




                                                 RC-720S


               Black model
      B MPB        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.
                                                                                                                                              HTX-22HD



 EXPLODED VIEWS-1
 AMPLIFIER SECTION                                   U05                                     A24          A08
                                                                                     U02
                                                                                             x 2pcs       x 3pcs
                         A105
              A106       x 15pcs                                                                                                       A32
              x 3pcs

                                                                      E890

                                                                       A132
                                                                       L=150mm
                                          U08b
A107                                                            A62
x 4pcs                                                                                            Q5001A
         A108                                    A24                                              Refer to PC Board parts list                  A34
         x 4pcs                                  x 2pcs                                                                                         x 2pcs
                              U11b                          E890
              A101                                   U09                                                   A132             A134        A800
                                    A24                                                                    L=150mm                      L=150mm
                                    U10
                  E889              A45
                              A2
                             L= 2                                                                               A20
                                65
                          A2       mm                           A24            U01                              x 4pcs
                         x6 3                                       A24
                           pc                                 U03
                              s                           U04       x 2pcs            F901                       U06
                                                                                      T901
                                                      A21
                                                                                      A130
                                                                                                                 A22
                                                          A12                                                    L=40mm
                                                                                                       A06
                                                                                              A16      x 5pcs             P8001
                                                                                              x 2pcs
                                                                                                                          A06
                                                                                                U07b                      x 4pcs A01
                                                     A24
                                                                                                                                   A08
                                                                                                                                   x 4pcs
                                                                                                                                        A39
                                                                                                                                              A110
                                                                                             E892                                                 A30
                                                                                             x 2pcs




                                                                                                                                                         HTX-22HD
                                                                      A42
                                                                      x 5pcs
            Refer to "EXPLODED VIEWS-2"
                                                                                             HTX-22HD



EXPLODED VIEWS-2
SPEAKER SECTION
                                                 SP06
                                                 x 5pcs

                                                          SP11 x 2pcs
                                                          L=85mm



            Refer to "EXPLODED VIEWS-1"                     SP09 x 2pcs
                                                            L=35mm

                                                   SP10
                                                   L=95mm


                                          SP12


                                                     SP01




                                                          SP08    SP05         SP13
                                                                  x 4pcs       (With SP14)
          ---Rear---
                         SP15




                                                                                                   HTX-22HD
                                                                            SP14
                                                                           (Badge)
                                                                                                                  HTX-22HD



EXPLODED VIEWS-3
FRONT SPEAKER (HTX-22HDST)




                                 - - - - - SP21 (L&R Speaker Ass'y) - - - - -



                [Left]                                                                    [Right]




                             SP22 (With SP23)                                         :             SP22 (With SP23)
          L:                                                                      L
      INA ck                                                                   NA
  RM la                                                                    R MI ck
TE te / B                                                               TE / Bla
   i                                                                      ed
Wh                                                                      R


                                                                  
Nut : mm nut.                                                           Nut : mm nut.




                                   SP23                                                                   SP23




                                                                                                                        HTX-22HD
                                                             Model No. DHT-9HD/HTX-22HD/HTX-E5HD/GXW-2.1HD/SA-205HD BLOCK DIAGRAM ( PART-1 )
                    1   MIC_DET
                    2                                             40                                                                                                                                                                                                                                                                                                                5   P?

MIC_IN              3                                                                                                                                                                                                                                                                                                                                                               4
                                             MIC_AMP                                                                                                                                                                                                                                                                                                                                2
                                                                                                                                                                                                                                                                                                                                                                                    3                 HEADPHONES
                                                                  46                                                                                                                                                                                                                                                                                                                7
         SBL                   from                                                                                                                                                                                                                                                                                                                                          HPIN   8
PreOut




                                                                                             MAIN R
                                                                                   MAIN L
                                                                                                                                                                                                                                                                                                                                                                                    1




                                                                                                               SUB R
                                                                                                       SUB L
         SBR               PRE_OUT_BL/BR                                                                                                                                                                                                                                                                                                                                                                                                 POWER AMPLIFIER         MUTE_RELAYS           SPEAKER TERMINALS
                                                                  45
                                                                                                                                                                                                                                                                                                                      17

           L
                                                                                                                                                                                                                                                                                                                                                                                                                                               +29dB
                                                                                                                                                                                                                                                                                      TONE
  IN1                                                             48                                                                                                                                                                                                                                                                                                                                                                                                                         FRONT LEFT
           R                                                                                                                                                                                                                                                                                                          16




                                                                                                                                                                                                                                                                                                                           +
                                                                  47
           L                                                                                                                                                                                                                                                                                                          19
                                                                                                                                                                                                                                                                                                                                                                                                                                               +29dB
  IN2
           R
                                                                                                                                                                                                                                                                                      TONE                                                                                              to PowerAMP                                                                                          FRONT RIGHT
                                                                  50
                                                                                                                                                                                                                                                                                                                      20                                                                FL       FRONT LEFT




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             34

                                                                                                                                                                                                                                                                                                                                                                                                                FRONT RIGHT




                                                                                                                                                                                                                                                   25k
                                                                  49                                                                                                                                                                                                                                                                                                                    FR
           L                                                                                                                                                                                                                                                                                                          7
                                                                                                                                                                                                                                                                                                                                                                                                                                               +29dB
                                                                                                                                                                                                                                INVERTING
  IN3                                                                                                                                                                                                                                        73
                                                                                                                                                                                                                                                                                                                                                                                                                SURR. LEFT                                                                   SURR. LEFT
           R                                                                                                                                                                                                                                                                                                                                                                            SL




                                                                                                                                                                                                                                                   25k
                                                                  52
                                                                                                                                                                                                                                                                                                                      6
                                                                                                                                                                                                                                                                                                                                                                                                                SURR. RIGHT




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             35                                                                                                                                         SR

SubWoofer                             from SubWoofer                                                                                                                                                                                                                                                                                                                                                                                           +29dB




                                                                                                                                                                                                                                                   25k
                                                                  51
                                                                                                                                                                                                                                                                                                                      4                                                                 C                       CENTER                                                                       SURR. RIGHT
                                            Filter                                                                                                                                                                              INVERTING    74
                   SA-205HD Only
                                                                                                                                                                                                                                                                                                                                                                                                            SW




                                                                                                                                                                                                                                                   25k
                                                                  54                                                                                                                                                                                                                                                                                                                    SW
                                                                                                                                                                                                                                                                                                                      5




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             75
                                                                                                                                                                                                                                                                                                                                                                                                                                               +29dB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             CENTER




                                                                                                                                                                                                                                                   25k
                                                                  53
                                                                                                                                                                                                                                                                                                                      2
                                                                                                                                                                                                                                             30




                                                                                                                                                                                                                                                   25k
                                                                  56
                                                                                                                                                                                                                                                                                                                      1
                                                                                                                                                                                                                                                                                                                                                                                                                                               +29dB




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             79
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             SW




                                                                                                                                                                                                                                                   25k
                                                                  55
                                                                                                                                                                                                                                                                                                                      9                                                                                           SubWoofer                                                                    SA-205HD Only
                                                                                                                                                                                                                                             28
                                                                                                                                                                                                                                                                                                                                                                                                                 (to_RearPanel_Pinjack)
                                                                                                                                                                                                                                                                                                                               SubWoofer




                                                                                                                                                                                                                                                   25k
                                                                  58
                                                                                                                                                                                                                                                                                                                      10
                                                                                                                                                                                                                                                                                                                                 Filter




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             80




                                                                                                                                                                                                                                                   25k
                                                                  57
                                                                                                                                                                                                                                                                                                                      12                                                                                                                                                                     Speaker(SW)
                                                                                                                                                                                                                                             29                                                                                                                                                             L
                                                                                                                                                                                                                                                                                                                                                                                                                           PRE_OUT_BL/BR                                                     Except for SA-205HD




                                                                                                                                                                                                                                                   25k
                                                                  60                                                                                                                                                                                                                                                                                                                                     R
                                                                                                                                                                                                                                                                                                                      11                                                                                                   (to_RearPanel_Pinjack)




                                                                                                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                             76




                                                                                                                                                                                                                                                   25k
                                                                  59
                                                                                                                                                                                                                                                                                                                      14
                                                                                                                                                                                                                                             31




                                                                                                                                                                                                                                                                                                                                                                                                                                                        RL_MUTE_SRL
                                                                                                                                                                                                                                                                                                                                                                                                                                                        RL_MUTE_FRL



                                                                                                                                                                                                                                                                                                                                                                                                                                                        RL_MUTE_Sw
                                                                                                                                                                                                                                                                                                                                                                                                                                                        RL_MUTE_C
                                                                                                                                                                                                                                                   25k
                                                                  64
                                                                                                                                                                                                                                                                                                                      15




                                                                                                                                                                                                                                                                                                                                                                     HPMUT
                                                                                                                                                                                     non VLSC




                                                                                                                                                                                                                   non VLSC
                                                                                                                                                                              +6dB




                                                                                                                                                                                                            +6dB




                                                                                                                                                                                                                                                                                                                                                           AMUT
                                                                                                                                                                                                                                                                                                                           +




                                                                                                                                                                                                                                                                                                                                                                     HPIN
                                                                                                                                                                                                                                             32




                                                                                                                                                                                                                                                   25k
                                                                  63
                                                                                                                                                                VLSC




                                                                                                                                                                                                VLSC

                                                                                                                                                                                                                                             77




                                                                                                                                                                                                                                                   25k
                                                                  62
                                                                                                                               REC R
                                                                                                                       REC L




                                                                                                                                                                                                                                             78




                                                                                                                                                                                                                                                   25k
                                                                  61

                                                                                                                                                                                                                                             33                                                      ASP              43 VOLCLK




                                                                                                                                                                                                                                                   25k
                                                                  66                                                                                                                                                                                                                                                  42 VOLDAT
                                                                                                                                                 39                                                                                                                                           R2S15211FP

                                                                  65
                                                                                                                                                 38
                                                                                                                                                                       FR




                                                                                                                                                                                                                                                                                                                                                                                                                                                  FLASH ROM                    SDRAM
                                                                                                                                                                                                       FL




                                                                                                                                                                                                                                                                                      SR




                                                                                                                                                                                                                                                                                                                                 BR
                                                                                                                                                                                                                                                               SL




                                                                                                                                                                                                                                                                                                                 BL
                                                                  68




                                                                                                                                                                                                                                                                                                     C
                                                                                                                                                                                                                                                                                                                                                                                                                                                    16M Bit                    64M bit




                                                                                                                                                                                                                                                                                                                                      DIGSDO_3.3V
                                                                                                                                                                                                                                                                                                                                      DIRRST_3.3V




                                                                                                                                                                                                                                                                                                                                      DIGCLK_3.3V
                                                                                                                                                                                                                                                                    SW




                                                                                                                                                                                                                                                                                                                                      DIGSDI_3.3V
                                                                                                                                                                                                                                                                                                                                      DIRINT_3.3V
                                                                                                                                                                                                                                                                                                                                      DIRCS_3.3V
                                                                                                                                                                                                                                                                                                                                                                                                                                                 2Mx8bit/1Mx16bit           1Mx16bitx4bank
                                                                                                                                                                                                                              LPF



                                                                                                                                                                                                                                            LPF



                                                                                                                                                                                                                                                         LPF



                                                                                                                                                                                                                                                                    LPF



                                                                                                                                                                                                                                                                                LPF



                                                                                                                                                                                                                                                                                               LPF



                                                                                                                                                                                                                                                                                                           LPF



                                                                                                                                                                                                                                                                                                                           LPF
                                                                  67
                                                                                                                                                                                                                                36
                                                                                                                                                                                                                                37




                                                                                                                                                                                                                                              35
                                                                                                                                                                                                                                              34




                                                                                                                                                                                                                                                           32
                                                                                                                                                                                                                                                           33




                                                                                                                                                                                                                                                                         31
                                                                                                                                                                                                                                                                         30




                                                                                                                                                                                                                                                                                    28
                                                                                                                                                                                                                                                                                    29




                                                                                                                                                                                                                                                                                                 27
                                                                                                                                                                                                                                                                                                 26




                                                                                                                                                                                                                                                                                                             28
                                                                                                                                                                                                                                                                                                             29




                                                                                                                                                                                                                                                                                                                               27
                                                                                                                                                                                                                                                                                                                               26
                                                                                                                                                    16
                                                                                                                                                    15
                                                                  70                                                                    -           14                           2ch ADC
                                                                                                                                                    13
                                                                                                                                                                                                                                                                                                                                                         CX_SDIN4                                                                                                                            DSPCS
                                                                                                                                        -                                                                                                                                                                                                                CX_SDIN3
                                                                                                                                                                                                                                                                                                                                                                                                                                                              DSP
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             DSPBUSY
                                                                  69                                                                                                                                                                                                                                                                                     CX_SDIN2                                                                                                                            DSPRST
                                                                                                                                                    49                                                                                                                                                                                                   CX_SDIN1                                                                                         TMS320DA708                        DSPINT
                                                                                                                                                    43                                                                                                                                                                                                   CX_SCLK                                                                                                                             DSPFCS
                                                                                                                                                    42                                                                                                                                                                                                   CX_LRCK                                                                                       D788E001BRFP266                       DSPFINT
                                                                  72                                                                                47                                                                                                                    8ch DAC                                                                                                                                                                       (HD Audio available)                 SD_CKE
                                                                                                                                                    46                                     DIR                                                                                                                                                           SAI_LRCK                                                                                                                            SD_CS
                                                                                                                                                    48                                                                                                                                                                                                   SAI_SCLK
                                                                                                                                                    45                                                                                                                                                                                                   SAI_SDOUT                             2:1 mux
                                                                  71                                                                                44                                                                                                                                                                                                   OSCCLK
OPT_IN1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                         PCMSBLR_DR2
                                                                                                                                                                                                                                                                                                                                                                                             Codec/HDMI




                                                                                                                                                                                                                                                                                                                                                                                                                                                                         PCMCSW_DL1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         PCMSLR_DR1
                                                                                                                                                                                                                                                                                                                                                                PCMLRCK_DR0_1     



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