Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio TX-8050 hfe_onkyo_tx-8050_service_en

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                                        TX-8050

                              Ref. No. 4272
                                    042011




      RECEIVER
MODEL TX-8050(B)/(S)




                              RC-816S
    Black and Silver models
   B MPP   230V AC, 50Hz
   S MPP   230V AC, 50Hz
   S MDC   120V AC, 60Hz
                                                                                                                                                                     TX-8050



 EXPLODED VIEWS-1                                                               A072
                                                                                                                  A302
                                                                                                       A057       x 7 pcs.
P901
                             A043                                                                      A059
                    A044 x 35 pcs.
                    x 2 pcs.            A041
           A045
                                                       U0010                                          U0030
                                                                                                                                                              A303
P901A                                                                A060
                                               U010                                                                                                    A301
                                                                                                                                            A809
                                                                                 U0045

                                               P4401                         A056
                                                                             x 2 pcs.
                                          P4808    E502
                                                  F951                           E501
                                               F952                                                            A072          A027           A028
                                        P5301A                                             Refer to                          x 2 pcs.       x 2 pcs.
                       U0031            x 4 pcs.
                                                                                           EXPLODED VIEWS-3                      A018
                                      P5302A                                                                                     x 2 pcs.
           A025                       x 4 pcs.
           x 4 pcs.
  A072                                                                                                                                              U0047
  x 2 pcs.                                                                                                     U0024
                                               U0020                                                                                               Refer to
                                                                                                                                                   EXPLODED VIEWS-2
        U0022                                                                                      U0042
                                                         A020                                          U0043
                                                                                                                                  A017
    F901                                                 x 2 pcs.
                                        T901
                                                                                     A055
                   F901E                                              A021
                                                                               A018
                                                                               x 2 pcs.
                                                                                    A021                         A015
U0044                                                                        A011
                                                                             A020                 A016
                                                                             x 2 pcs. A073
        A054
        x 2 pcs.
                                                               A053              A012
         A072                                                  x 2 pcs.          x 4 pcs.
         x 2 pcs.
                                      A225             A051                      A013
                                                       x 3 pcs.                  x 4 pcs.




                                                                                                                                                                           TX-8050
                           A052
                           x 2 pcs.                                              A014
                                                                                 x 4 pcs.
                                                                                                                                                       TX-8050



EXPLODED VIEWS-2


                                             P7001                       P3101
                                      A223
                                      x 13 pcs.



                                                                   A222
U0021                  A072                                        x 2 pcs.
                                                                              U0032

                                                                                      A201
                                                            A204
                                                      A221
                                                      x 2 pcs.
 A232                                       U0046                                       A231
 x 3 pcs.                                                                               x 5 pcs.
            A224                 A207                                                           A205
            x 4 pcs.
                              U0040
                   U0041                  A203
                                                                                                          A256
                                                                                                             A252
                                                                                                                    A258
                                      U0023                                                                         x 2 pcs.
                                                                                                                            A254
                                                                                                                            x 2 pcs.                 A251

                                                             A208
                                                                        A257                       A258
                                                                           A264
                                                                              A253

                                                                                 A259
                                                                                     A260
                                                                                                                                                      A271
                                                                                         A204

                                                                                                                                          A272
                                                                                                                                          x 3 pcs.
                                                                                                                                   A273




                                                                                                                                                             TX-8050
                                                                                                                        A291
                                                                                                                        x 3 pcs.
                                                                                TX-8050



EXPLODED VIEWS-3







                             Q5019A


                     Q5019              Q5021A

                                Q5021


            Q5019B                         D921             Q5022A


                     Q5021B                         Q5022              Q5020A


                                                               Q5020
                                  D921A

                                           Q5022B


                                                     Q5020B




                                                                                      TX-8050
                                                                                                                                              TX-8030 / 8050                                                                                                                                               TX-8030 / 8050
            A                        B                    C                                       D                                             E                                    F                      G                      H                               I                                 J              K
    SCHEMATIC DIAGRAM - 1 (SD - 1)                       Audio signal line (BD/DVD) (DAC OUT)   Digital signal line (COAX1)
                                                               L channel
    AUDIO BLOCK DIAGRAM SECTION                                R channel




1



                                                                                    R2A15218FP
                                                                                                                      R
                                                                                                MAIN                  L
                                                                              58                                                                                                                                                                                                           HP-JACK
                                                                                                       SUB                                                                                          TONE             R
                       BD/DVD                                                 59                                                                                                                                23
                                                                                                                                         47                     93
                                                                                                                                                                42
                                                                              60
                                                                                                                                                                                                                24
                                                                                                                                                                                                                                                        +29dB
                                                                              61                                                         46                                                                                                                                            R
                               IN
2                                                                                                                                                               94
                                                                              62                                                                                43                                                    L
                       VCR/DVR                                                                                                           54                                                         TONE                                                                                       Speaker-A
                                                                              63                                                                                                                                21
                                                                                                                                                                                                                                                        +29dB
                              OUT                                                                                                                                                                                                                                                          L
                                                                              64                                                         55
                                                                                                                                                                                                                20
                                                                              65

                                                                                                                                                                                                                     C
                       CBL/SAT                                                66                                                                                95                                              17
                                                                                                                                                                38                                                                                                                         R
                                                                              67

                                                                                                                                                                                                                18
                                                                              68
                                                                                                                                                                                                                                                                                               Speaker-B
                        GAME                                                                                                                                                                                         SW
                                                                              69                                                                                96                                              15

3                                                                                                                                                               39                                                                                                                         L




                                                                                                         REC
                                                                              70
                                                                                                                                                                                                                14
                               IN                                             71
                                                                                                                                                                                                                     SR
                                                                                                                                                                97                                              11
                                                                                                                                                                                                                                                                                       R
                       TV/TAPE                                                72                                                                                41
                                                                                                                                                                                                                                                                                           PRE-OUT
                                                                              73
                              OUT                                                                                                                                                                               12                                                                     L
                                                                              75                                                                                                                                     SL
                                                                                                                                                                98                                              9                                        LPF                       Subwoofer
                                                                                                                                                                40
                                                                              76
                         CD
                                                                                                                                                                                                                8

                                                                              78                                                                                44                                                   SBR
4                                                                                                                                                               99                                              5
                                                                                                                                                                                                                                                                                   R
                                                                              79                                                                                37                                                                                                                         Zone-2
                       PHONO                       MM                                                                                                                                                                                                                              L
                                                                              81                                                                                                                                6

                                                                                                                                                                45                                                   SBL                                 LPF
                                                                              82                                                                               100                                              3
                                                                                                                                                                36
                                TUNER                                                                                                                                                                                                              NO USE
                                                                              83                                                                                                                                2



                                                                              84


                                    DAB
                                                                              85
                                                                                                                                                                          M61540FP                                         4
5                                                                                                                                                                     3
                                                                              86                                                                                     26                                                    12
                           NO USE                                                                                                                                    28
                                                                                                                                                                     30                              TONE
                                                                                                                                                                     34
                                                                              90
                                                                              91                                                                                     36                                                    5

                                                                                                                                                                                                                           11

                                                                                                                                                                     39
                                U.PORT    OUT
                                                                                                                                                                     17

                                                                                                                                                                      2                                                    6
                                                                                                                                                                     27


                                    IN
                                                                                                                                                                     29
                                                                                                                                                                     31                              TONE
                                                                                                                                                                                                                           10
                                                                                                                                                                                                                                TX-8050 ONLY
                                                                                                                                                                     33
                                                -6dB
                                                                                                                                                                                                                                                                PHY                ETHER
6                                                                                                                                                                    35
                                                                                                                                                                                                                           7

                                                                                                                                                                                                                           9
                                                                                                                                                                     40
                                                                                                                                                                     18
                              NO CONNECTION
                                                                                                                                                                                                                                           NET_MCK
                                                                                                                                               R OUT   L OUT
                                                                                                                                                                                                                                           NET_BCK
                                                                                                                                                                                                                                           NET_LRCK
                                                                                                                                                                                                                                           NET_DATA
                                                                                                                                                                                         NET_MCK
                                                                                                                                                               LPF           DAC         NET_BCK                                                                 DSP
                                                                                                PCM9211                                                                    PCM1754       NET_LRCK                                          ADSP_BCK             DA830
                                                                                                                                                                                         NET_DATA                                          ADSP_LRCK                                   USB
                                                                                                                                                               LPF                                                                         ADSP_DATA
                                                                                         ADC
                                                                                                                              DIR_MCK                                                     DIR_MCK                                       DIR_MCK
7                                                                                                                             DIR_BCK                          LPF           DAC         ADSP_BCK                                            DIR_BCK
                                                                                                                              DIR_LRCK                                     PCM1789       ADSP_LRCK                                           DIR_LRCK
                                                                                                                              DIR_DATA                                                   ADSP_DATA                                           DIR_DATA
                         COAX1                                                                                                                                 LPF
                         COAX2
                                                                                        DIR       MPIO_B


                                                                                                                              44/48
                         OPT1
                                                                                                   MPO0
                                                                                                                           256x44K
                                                                                      DIVIDE
                         OPT2
                                                                                                                          24.576MHz

                                          TX-8050 ONLY                                                                                         TX-8050 ONLY                                                                                                             TX-8050 ONLY
8
                                                                                     TX-8050 / 8030

           A                      B                 C           D                    E
    SCHEMATIC DIAGRAM - 2 (SD - 2)
    VIDEO BLOCK DIAGRAM SECTION


1




                                               NJM2505AF


                                      U.PORT                                NO USE

                                                           BH76360FV

                                                                       58




2
                      BD/DVD
                                                           BH76360FV
                                IN
                      VCR/DVR                                          58

                                OUT


                      CBL/SAT
                        TV

                    MONITOR OUT
3
                       Z2 OUT




                                                                                                 TX-8050 / 8030
4
                                                                                                                                                                                                                                                                                                           TX-8030 / TX-8050

                  A                                               B                                                                                        C                                                    D                                                                                                 E

    SCHEMATIC DIAGRAM - 3 (SD - 3)
                                                                                                                                                                                                                                                                                          F901             T-901 (TRANS)
    MAIN TRANS / SUB TRANS / AC IN SECTION
                                                                                                                                                                                                                                                         US TYPE                      8A 125V                 NPT-1604D

                                                                                                                                                                                                                                                         European TYPE              T4AL250V                   NPT-1604P

1       BAPS-0727                                                                                                                                                                                                                                        Japanese TYPE                8A 125V                  NPT-1604J



                                                                                                                                                               F901                                                                                                  T-901(TRANSFORMER)
         T905                                                                                                                                              F901A F901B
                                                                                                                                                                                                                                                                             NPT-1604
         US / Japanese TYPE               NPT-1520JQ




                                                                                                                                                                                                   P901
                                                                                                                                                           F901C F901D                                                                                                                                    P961
          European TYPE               NPT-1520GQ
                                                                                                                                                                                       1                                                                                                                  P960
                                                                                                                                                                                       2
                                                                                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                                                          P959
                      NPLG-2P631




                                                                                                                                                                                                   NPLG-2P631
         AC_CORD      P903
                                                                                                                                                                                                                                                                                                          P958
                         1            AC-H




                                                                                                                                                                                                                                                                                                                                      BAPS-0705
                                                                                                                                                                                                                                                                                                                                      To SD-5 I-6
                         2            AC-G
                                                                                                                                                                                                                                                                                                           P957
                                                                                                                                                                                                                                                            2
                                                                                                                                                                                                                                                                                                           P956




                                                                                                                                           103M/275
2                                                                                                                                                                                                                                                                                                         P955




                                                                                                                                            C901
                                                                                                         1            4                                                                                                                                                                                   P954
                                   T905
                                                                                                                                                                                                                                                                                                          P953 NC
                                                4
                                                3
                                                2
                                                1




                                                                                                             RL901

                                                                                         3                                2                                                                                                                                                                                P952
                                              5
                                              6
                                              7
                                              8
                                              9




                                                                                                                  D901                                                                                                                                                                                     P951

                                                                                                               1SS355
                                                  C903                                          C902                                                                                                                                                                                                       P950
                                                                  +10.1V
                                                                                               104Z
                                                  104Z
                                                                                    47(1/2W)
                                                                            R902




                                                                                                                                                                                                                TO SD-4 J-8 (AMP PWB)
                                                                                                                                                                                       NSCT-5P97
                                                                                                 +11.4V
                                                         D902                                                             D903                 R903




                                                                                                                                                                                                                                        FROM BAAF-0704
                                                                                                                                                                                                                                                                                  CAUTION
                                                         1SS355                                                       1SS355               4.7(1/2W)                                                                                                                              FOR CONTINUED PROTECTION
                                                                                           2200/25(VR)




                                                          D904                                                                                                                                                                                                                    AGAINST FIRE HAZARD, REPLACE
3                                                                                                                                                                                                                                                                    A   V        ONLY WITH FUSE OF SAME TYPE
                                                                         C904
                                                                                +




                                                                                                                                                                                                                                                                                  AND RATING INDICATED.
                                                         1SS355                                                                                   +12.3V                  1.MPOWERED   1
                                                          D905
                                                                                                                                                                          2.+10VS      2
                                                                                                                                                                                                                                                                                  ATTENTIION
                                                         1SS355                                                                                                           3.GNDDG      3                                                                                          AFIN D'ASSURER UNE PROTECTION
                                                          D906                                                                                                                                                                                                                    PERMANENTE CONTRE LES RISQUES
                                                                                                                                                                          4.+12VD      4                                                                                          D'INCENDIE, REMPLACER UNIQUEMENT
                                                                                                                                                                                                                                                                     A   V        PAR UN FUSIBLE DE MEME TYPE
                                                         1SS355                                                                                                           5.POFF       5                                                                                          ET CALIBRATION COMME INDIQUE.
                                                                                       100/35(VR)




                                   C905
                                                                           C906




                                                                                                                                                                                                                                                                                  THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
                                   104Z                                                                                                                           +6.3V




                                                                                                                                                                                       JL906B
                                                          D907                                                                                                                                                                                                                    THAT THE FUSE USED IS SLOW OPERATING TYPE
                                                                                   +




                                                                                                                                                                                                                                                                                  FOR CONTINUED PROTECTION AGAINST FIRE FUSE
                                   D908                  1SS355                                                                                                                                                                                                                   HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
                                                                                                                                                                                                                                                                                  RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
                               1SS355                     D909
                                                                                                                                                                                                                                                                                  CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
                               D910                      1SS355                                                                                                                                                                                                                   A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER




                                                                                                                                                                                                                                                                                                                                                    TX-8030 / TX-8050
                                                                                                                                                                                                                                                                                  QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
                                                                                                                                                                                                                                                                                  INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
                               1SS355                                 +11.5V
                                                          D911
                                                                                                                                                                                                                                                                THE COMPONENTS IDENTIFIED BY MARK          ARE CRITICAL FOR SAFETY.
                                                                                                               R904




                                                         1SS355                                                                   C907
                                                                                                                       100K




                                                                                                                                                                                                                                         NOTE                   REPLACE ONLY WITH PART NUMBER SPECIFIED.
                                                                                                                              +




                                                          D912                                                                    4.7/50          D913
           E910        E909                                                                                                                                                                                                                                     VOLTAGE ( MEASURED WITH VOLTMETER )               IS DC VOLTAGE ( NO INPUT SIGNAL

                                                         1SS355                                                                                                                                                                                                 ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
                                                                                                                                              UDZS5.1B                                                                                                          ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
                                                                                                                  +11.4V                                                                                                                                        ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
                                                                                                                                                                                                                                                                ELECTROLYTIC CAPACITORS          ARE IN

                                                                                                                                                                                                                                                                ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.

4                                                                                                                                                                                                                                                               ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
                                                                                                                                                                                                                                                                THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS

                                                                                                                                                                                                                                                                EX              PRINTING SIDE

                                                                                                                                                                                                                                                                CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
                                                                                     TX-8050 / 8030

           A                      B                 C           D                    E
    SCHEMATIC DIAGRAM - 2 (SD - 2)
    VIDEO BLOCK DIAGRAM SECTION


1




                                               NJM2505AF


                                      U.PORT                                NO USE

                                                           BH76360FV

                                                                       58




2
                      BD/DVD
                                                           BH76360FV
                                IN
                      VCR/DVR                                          58

                                OUT


                      CBL/SAT
                        TV

                    MONITOR OUT
3
                       Z2 OUT




                                                                                                 TX-8050 / 8030
4
                                                                                                                                                                                                                                                                                                                                                                                                                                TX-8030 / TX-8050                                                                                                                                                                                                                                                                                                                                                                                                TX-8030 / TX-8050
                   A                                                                                                                                                                                          B                                                                                                                               C                                        D                                                E                                                F                                                                                                                                                 G                                                                                           H                                                                  I                              J                                   K
    SCHEMATIC DIAGRAM - 4 (SD - 4)                                                                                                                                                                                                                                                         Audio signal line (CD)
                                                                                                                                                                                                                                                                                                 L channel
    AUDIO INPUT SECTION                                                                                                                                                                                                                                                                          R channel




1

                                                                                                                                                                                                                                                                                                                                                                                                              to SD-6 K-6                                                                                                                                                                                   to DS-13 G-3                                                                                                                                  to SD-7 A-2
                                                                                                                                                                                                                                                                                                                                to SD-10 A-1         to SD-10 A-2
                                                                                                                                                                                                                                                                         from TUNER PACK                                                                                                                      DG PWB                             to SD-6 D-1                                                           to DAB/HDR                                                                           DSP PWB                                                                                                                                       PREOUT/ZONE2/RS232 PWB                                                    RB
                                                                                                                                                                                                                                                                                                                                VIDEO/UPORT          VIDEO/UPORT
                                                                                                                                                                                                                                                                                ALL                                                                                                                                                              DG PWB
                                                                                                                                                                                                                                                                                                                                    ALL                  ALL                                    3P-->8030    15P-->8050                                                                                                                    NO USE                                                                                     8050                                                                                                                                 ALL                                                  NO USE
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ALL




                                                                                                                                                                                                                                                                            TUNER GND




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  DAB/HDR_R

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  DAB/HDR_L
                                                                                                                                                                                                                                                                                                                            



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