Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HT-RC270 hfe_onkyo_ht-rc270_service

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hfe_onkyo_ht-rc270_service


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                                                      HT-RC270

                                                Ref. No. 4214
                                                      062010
          SERVICE MANUAL


          AV RECEIVER
MODEL HT-RC270(B)




              Black model                         RC-768M

      B MDC        120V AC, 60Hz




SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK      ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
                                                                                                                                                                                                                                                                  HT-RC270
                A                                   B                              C                                   D                                    E                                F                            G                            H
    EXPLODED VIEWS-1

                                                                                                                                                                                                                A715                                               A703
              P921                                                                                                                                                                                              x 6 pcs.
                                           A253,  ONLY
1
                                               A279       A269     A261                                        A143    A137
                                                 A281     x 2 pcs. x 5 pcs.                             A145           x 2 pcs.
            A285                                                       A245                                                                                               U0013
     A283
                                    A267                               A251                                                                          A029
                                                                                          A241
                                    x 7 pcs.                             A289                                                                                                   U0011
              A259                                                       x 2 pcs.                                                                                                                                                                          A701
              x 7 pcs.
                                                                              A237A
                                                                                                                                                                                                                                                    A705
                                                                                                                                  U0012
                                                                                                                                                                                  Refer to
             A263                                                                                                                                                                  in
             x 2 pcs.                                                                                           U0050                                                             EXPLODED VIEWS-3
                                                                                                                                                                                                               A031
2            A257                                                                                      U0051                                                                                                   x 3 pcs.
             x 10 pcs.                                                                                                                               A037
                 A264                                                                          U0054                                 F6901
                 A255                                                    U007                                                        F6902
                 x 12 pcs.
                       A181                                P8002
                       x 5 pcs.                                                                                                                                                                                                          A197
                                                                                                       P8641                           U0010                                          A017                                               x 4 pcs.
                                                         U0041                         P2101                                                                                                 A009      U0066                      A195
                               U011                                                                                                       A035                                                  U0014
                                                                                                                                                                                A032                                          U0064
                                                                                                                                          x 5 pcs.                                                 U0015
                                                          A131                                                                                                                U0016
                                  P103
                                                                                                                                          A017                                                                       A001
                                                                                  F2000
3                                                                               F2001                                                                              A027
                                                                                                                                                                                                                  A011
                                                 U0052                                                            A247                                      A021
                                                                                                                                      A179
                                                                                A129                                                  x 4 pcs.              x 2 pcs.                                                      A183
                                                                                                                                      A193             A025
                                                         A129                             A143                                                         x 2 pcs.                                    A183
                                                                                                                                                                                                   x 2 pcs.
                                                                                                           T901                              A144                                   A019
                                                                                          U0040
                                                                                                                                                                              A023                  A013
                                                                                       A127                                                          A119                     x 2 pcs.
                                                                                                                  A191                               x 3 pcs.      P640
                                                                                                                                                                                                    A015
                                                                                        U0030                                                             A117                                      x 4 pcs.
                                                                                                                                                          x 3 pcs.
                                                          A127
4

                                               U0032                                                                                                            A133

                                                 A125                                                                 A113                                                                                                                           Refer to
                            F901E    F901                                                                                                                              A183                                                                           in
                                                                                                                                                                                                                                                     EXPLODED VIEWS-2
                    A141
                                                                                                                                                                       A081

                                         P9008          U0031                                                                                                              A095
                    U0034                                                                       A135                                                                       x 4 pcs.

5                                                                                                                                                                          A101
                                                                                                                                                                           x 4 pcs.
                                                                                                                      A185                        A123
                                                                                                                                                  x 5 pcs. U0063           A097
                                                                                                                       A395                                                x 4 pcs.
                                                                                                                          A121                   A397
                                                                                                                          x 9 pcs.
                                                                                                                    HT-RC270



 EXPLODED VIEWS-2

                                                      P7501
  

                                        A317
                                        x 2 pcs.
                            A317                      U0065
            A321            x 18 pcs.
                                           A327
               A323                                                       P3101
                                                          U0060

                                                                  A307
                                                                                     A301
                                                                         A305


U0062
  A325                                        U0055
  x 3 pcs.                                                A702                                 A313
        A317
        x 5 pcs.
                   U0061                                                                              A351

                           A303
                              A317                                                      A315
                              x 2 pcs.
                                                                                                             A373
                                  U0067
                                                                                                                    A371
                                  U0080
                                                                            A309


                                                      A393                 A355
                                                      x 5 pcs.                                        A353




                                                                                                                           HT-RC270
                                                                          A391
                                                                          x 3 pcs.
                                                                               HT-RC270



EXPLODED VIEWS-3







                      Q6050A




          A007
          x 14 pcs.

                Q6056
                    Q6066
                       Q6054
                           Q6064
                              Q6051
                                  Q6061
                                     Q6052
                                         Q6062
                                            Q6050
                                                Q6060
                                                   Q6053
                                                       Q6063          Q6050B
                                                          Q6055
                                                              Q6065




                                                                                     HT-RC270
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
                               A                                       B                                                            C                                                                                                     D                                                              E                                                                                   F                                                          G                                                                  H                                                   I                                                J                                           K
     SCHEMATIC DIAGRAMS - 1
     BLOCK DIAGRAM AUDIO SECTION

                                                            except onk JJ                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             HEADPHONES
1                                                            TUNER
                                                              PACK
                                                                                  UNIVERSAL
                                                                                  PORT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          POWER AMPLIFIER
                                                                                                                                                                                                                                                                                                         Z3L                                                                                     MAINR
                                                                                                              L      83    L
                                                                                                                                                                                                                                                                                                         Z3R                                                                                         1                                                                                                                                                                                                                                                SPEAKER TERMINALS
                                                                                                                                                                                                                                                                                                                                                                                                     2                                                                             22       SL                                                                                FL
                                                                                                                                                                                                                                                                                                                                                                                                                                     TONE                                                                                                                                                              +29dB
                                                                                                              R      82    R                                                                                                                                                                                                                                                                                                                                                       23       SL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              FRONT LEFT
                                             for US                                        SIRIUS_L                                                                                                                                                                                                                                                                                                                                                                                24
                                                                                                                     57    L                                                                                                                                                                                                                                                                                                     Down mix : No use
           SIRIUS                            SIRIUS                                        SIRIUS_R
                                                                                                                                                                                                                                                   R2A15220FP                                                                                                                                    MAINL
                                                                                                                                                                                                                                                                                                                                                                                                     1
                                                                                                                                                                                                                                                                                                                                                                                                                                 Tone : Use for Z3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              FR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +29dB
                                                                                                                     56    R
                                                                                                                                                                                                                                                                                                                                                                                                     2                                                                             20       SR
                                                                                                                                                                                                                                                                                                                                                                                                                                     TONE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SPRLF                     FRONT RIGHT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   19       SR
                                                                                                                     60    L                          MAINL
                 L
        AUDIO IN                                                                                                                                                                                                                                                                                                                                                                                                                                                                   18
                                                                                                                                                                                                                                                                                                                                   SL(DAC)                  43           SL(DAC)                                                                                                                                                                                              C
         (FRONT) R                                                                                                   61    R                          MAINR                                                                                                                                                                                                         43                                                                                                                                                                                                                                 +29dB
2                                                                                                                                                                                                                                                                                                                                                           91
                                                                                                                                                                                                                                                                                                                                                                    91
                                                                                                                                                                                                                                                                                                                                                                         MCH SL
                                                                                                                                                                                                                                                                                                                                                                                                                                 1
                                                                                                                                                                                                                                                                                                                                                                                                                                 2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   16       C
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SPRLC                     CENTER
                                                                                                                     65    L                               L
                               L                                                                                                                                           ADCL
                                                                                                                                                                                                        53
                                                                                                                                                                                                                                                                                                                                   SR(DAC)                  42         SR(DAC)
    PHONO (MM)                                                                                                                                                                                               Z3                                                                                                                                                                                                                                                                    17
                                                                                                                     64    R                               R                                                                                                                                                                                                                                                                                                                                                                                                                SL/Z3L
                               R                                                                                                                                                                        54
                                                                                                                                                                                                             708:Z2 mirror
                                                                                                                                                                                                                                                                                                                                                            90           MCH SR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +29dB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SURR
                                                                                                                                                                                                                                                                                                                                                                    90                                                                                                             15

                    L
                                             PHONO EQ                                                                67    L
                                                                                                                                                                      ADCR
                                                                                                                                                           0/-6/-12/-18dB
                                                                                                                                                                                                                                                                                                                                                                                                                                 1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              LEFT
                                                                                                                                                                                                                                                                                                                                                            39           C(DAC)                                                  2                                              Ref. GND
            TUNER                                                                                                                                                                                                                                                                                                                                                                                                                                                                  14       SW

     ( for onk JJ ) R                                                                                                66    R                                                                                                                                                                                                                                93           MCH C
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SR/Z3R
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +29dB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SURR
                                                                                                                                                                                                                                                                                                                                                            38           SW(DAC)                                                                                                   13
                                                                                                                     69    L                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SPRLSR
                               L




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            +
                                                                                                                                                           L
                                                                                                                                                                       SUB1L
                                                                                                                                                                                                        46
                                                                                                                                                                                                                                                                                                                                                                                                                               1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              RIGHT




                                                                                                                                                                                                                    MAIN
                                                                                                                                                                                                                                                                                                                                                                                                                             SRC
        TV/CD IN                                                                                                                                                                                                                                                                                                                                            92           MCH SW
                                                                                                                                                                                                                                                                                                                                                                                                                               2
                                                                                                                     68    R
                               R                                                                                                                           R                                            47
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SBL/Z2L/Bi_L/LH
                                                                                                                                                                                                                                                                                                                                                            34
                                                                                                                                                                                                                                                                                                                                                                    34
                                                                                                                                                                                                                                                                                                                                                                         FL(DAC)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   11
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        FL                                                                                                             +29dB                                                  SUR. BACK
                               L                                                                                     71    L
                                                                                                                                                                       SUB1R
                                                                                                                                                                                                                                                                                                                -6dB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                / Bi Amp
                                                                                                                                                                                                                                                                                                                                                            95           FL(MIX)
3               PC IN
                                                                                                                     70    R                                                                                                                                                                               inverted down mix
                                                                                                                                                                                                                                                                                                                                                                                                                               2
                                                                                                                                                                                                                                                                                                                                                                                                                             SLC
                                                                                                                                                                                                                                                                                                                                                                                                                                                  priority terminal
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   12                                                                                                                                                                         LEFT
                               R                                                                                                                                                                                                                                                                                                                            41
                                                                                                                                                                                                                                                                                                                                                                    41
                                                                                                                                                                                                                                                                                                                                                                         FL                                                    1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SBR/Z2R/Bi_R/RH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +29dB                                                  SUR. BACK
                               L                                                                                     73    L                                                                                                                                                                                                                                40           FR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   7
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        FR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     SPRLSB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 / Bi Amp
        GAME IN                                                                                                                                                                                                                                                                                            inverted down mix                                                                                                                                                                                                                                                                                                                                  RIGHT
                                                                                                                                                                                                                                                                                                                                                            94           FR(MIX)
                                                                                                                     72    R
                               R                                                                                                                                                                                                                                                                                      -6dB
                                                                                                                                                                                                                                                                                                                                                                                                              Z2L         SBRC                                                     6
                                                                                                                                                                                                                                                                                                                                                                                                                             1
                                                                                                                                                                                                                                                                                                                                                            35           FR(DAC)
                                                                                                                                                                       SUB2L                                                                                                                                                                                                                                                 2
                                                                                                                     75    L                               L                                            32                                                                                                                                                                                                                                                                                                                                                              LW/LH/Z3
                               L                                                                                                                                                                                                                                                                                                      Z2L                   97           SBL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +29dB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Front Wide/Z2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   2        SBL/Z2L/Bi_L/LH
      CBL/SAT IN                                                                                                                                                                                                   Z2                                                                                                                                                                                                                                                                                                                                                                                                                                         LEFT
                                                                                                                     74    R                               R                                            33                                                                          SBL/LH/LW(DAC)                                                          44     



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