Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio A-9555 hfe_onkyo_a-9355_service_en

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                                                        A-9355

                                                Ref. No. 3982
                                                      032007
          SERVICE MANUAL


 INTEGRATED AMPLIFIER
       MODEL A-9355




                                                  RC-627S
  Black, Silver and golden models
   B MPP          230V AC, 50Hz
   S MPP          230V AC, 50Hz
   G MGT          220-230V AC, 50/60Hz
   G MDT          120V AC, 60Hz
   G MGR          220-230V AC, 50/60Hz


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.
                                                                                                                                                              A-9355



EXPLODED VIEW                                                                                                            A142

   W901

                   P101A
                   x 2 pcs.                                                            A145
                                                                                       x 6 pcs.
                              A037
                                      A200
            A206                             A517
                                             x 2 pcs.             U08      A9000
                                                                                     A516
A203
x 17 pcs.


                                         A9000                                       A004     U03
                                U10                P5107                             x 8 pcs.
                                P9901                P5106                                                    A519
                                                     x 2 pcs.                                                 x 2 pcs.
                                                    R5824                                                                       A001
              F903                                      P5004C          U01
                 P940                                                                                   U05
                 x 8 pcs.                                P9902                                                                         A124
                                                                                      U13
            P991                                                                                                                              A121
                                                            U12                                                                                        A118
            F901                                                           U06                                                                 A127
                                                                        U07
      U09                                                                                                                                                A116
                                                                              A100                                              A130                     x 4 pcs.
                                                                                                                    A007
                                             U14           A016                                                     x 2 pcs.
                                                           x 2 pcs.
                   T911                                         A013
                                                                x 2 pcs.                                 A103
                     P953                                                                                x 4 pcs.
                     x 2 pcs.                                         A022 U02        A019
                                                                                      x 5 pcs.                                                            A115
                                                                           A518                  A106
            A025
                                                                                                                                       A112
                                                                                                                          A136         x 2 pcs.
                                                                        A028                                                                      A110
                                                                        x 4 pcs.                                                                  x 8 pcs. A109
                                                                                                                          A139
                                                                        A031                                              x 3 pcs.
                                                                        x 4 pcs.




                                                                                                                                                                    A-9355
                              A027                        A034
                              A026                        x 13 pcs.
                              x 4 pcs.
                                                                                                                                                                                                                                                                                                                                                                                                                                                 A-9355                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           A-9355
                           A                                                                                                                                                    B                                                                                                                                                    C                                                                                                                 D                                                                                                                                       E                                                                                                                                                                                        F                                                                               G                                                                     H
    SCHEMATIC DIAGRAMS-1
    PRE-AMPLIFIER SECTION
                                 NAAF-9280                                                                           U08 PRE-AMPLIFIER PC BOARD                                                                                                                                                                                                                                            Q951
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           NAAF-9259
                                                                                                                                                                                                                                                                                                                                             R151 +14.5V                                   2SA1358                                                R961                                                                                                                                                                                                                                                                                                                                                                                                                      U13 TONE CONTROL PC BOARD




                                                                                                                                                                                                                                                                                                   470/35 470/35
                                                                                                                                                                         R123




                                                                                                                                                                                                                          R137




                                                                                                                                                                                                                                                                                                                                                                                                       R965
                                                                                                                                                                                                                                                                                                                                                                                                   R963 1.2K
                                                                                                                                                                                                                                                                                                                                                                                                                                                 22(1/4W)




                                                                                                                                                             R111
                                                                                                                                       R109




                                                                                                                                                                                                                                                                                               +
                                                                                                                                                             3.3K




                                                                                                                                                                                                                                                                                            C125
                                                                                                                                                                                820
                                                                                                                                       3.3K
                                                                                                                                                                                                                                                                                                                                            22(1/2W)




                                                                                                                                                                                                                                      820
                                                                                                                 R107
                                                               EQ. AMP.




                                                                                                                         4.7K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   R331
1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 22(1/2W)              +7V




                                                                                                                                                                                                                                                                                                                                                                                                                     4.7K UDZS15B UDZS15B 4.7K


                                                                                                                                                                                                                                                                                                                                                                                                                                                  470/35
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                                                                                                                                                                                                                                                                                                                                                                                                                                                  C961
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                                                                                                                                                                                                                                                                                               +
                                                                                                                                                                                                                                                                                            C127
                                                                                                                                                                                  Q105




                                                                                                                                                                                                                                                                                                                                                            C965
                                                                                                                                                                                                                                       2SA992                                                                             R153                                                             Q953                                                                                                                                                                                                                                                                                                                                                                                                                            C331                             C333
                                                                                                                                                                                  2SA992                                                                                                                                 22(1/2W)            -14.5V                                       2SC2712
                                                                 R101                               C103                                                                                                                                                                Q111                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               470/10                           223J
                                                                                                    +                                                                                C111               C113                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R319:A                                   GND_VOL1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BASS




                                                                                                                                                                                                                                                     1SS133
                                                                                                                                                                                                                                                                       2SC2235-Y




                                                                                                                                                                                                                         D107 D105
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 50K 3




                                                                                                                                                                                                                                                                                                                                                                                          22/50




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           8
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                                                                                                                                                                                                                                                                                                                                                                                   C963




                                                                                                                                                                                                                                                                                                                                                                                                          D955
                                                                     1K                            4.7/50                                                                            562                222                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  C332                           C334




                                                                                                                                                                                                                                                              R141
                                                                                                                                                                                                                                                    22/50
                                                                                                                                                                                                                                                    C115
                                                                                                                           Q101                                Q115




                                                                                                                                                                                                                                                       +
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C305       C307




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           2
                                                                                                                                                                                                                                                                      120
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                                                                                                                                                                                                                                                 1SS133
                                                                                                                         2SC2240BL                           2SC2240BL                                     R133                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         -7V                 223J
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    333J       333J R315        R323




                                                                                                                                                                                                                                                                                                                                                                                          22/50



                                                                                                                                                                                                                                                                                                                                                                                                          D956
                                                                                                                                                                                                                                                                                                                                                                                   C964
                                                                                                                                                                                                         39K




                                                                                                                                       R113



                                                                                                                                                             R115
                                                                                                              220K
                                                                                         R103

                                                                                                C101


                                                                                                       R105
                                                                                                101K




                                                                                                                                       220
                                                                                                                                                                                                                                                                                     C123




                                                                                                 56K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    10K




                                                                                                                                                             220
                                                                                                                                                                                                     R131         R135                                                  R145                                         Rch                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R332                               R307 NC                       R313
                                                                                                                                                                                                                                                                                     +                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            22(1/2W)                                                           10K                        1.5K




                                                                                                                                                                                                                                                                                                                                                                                                                                                  470/35
                                                                                                                                                                                                                                                                                                                                                                   2.2/50
                                                                                                                                                                                                                                          1SS133
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C335




                                                                                                                                                                                 R127




                                                                                                                                                                                                                                                                                                                                                                                                                                                  C962
                                                                                                                                                                                                     560K         1.2K




                                                                                                                                                                                                                          D111 D109
                                                                                                                                                                                                                                                                         1K          22/50




                                                                                                                                                                                                                                                                                                                                                           C966
                                                                                                                                                                                                                                      C117 22/50
                                                                                                                                                                                              750
                                                                                                                                                                                                                                                                                                                                                                                             Q954                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R311    R317




                                                                                                                                                                                                                                                              R143
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                020




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          R305




                                                                                                                                                                                                                                                                               120
                                                                                                                                                                                                                                                                                                                                                                                            2SA1162                                                                                                                                                                                                                                                                                                                                                                                                                                                                         10K     3.9K                2




                                                                                                                                                                                                                                      1SS133
                                                                                                                                                                                                                                           +
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C301




                                                                                                                                                                                                                                                                                                                                                                                                   1.2K R964
                                                                                                                                                                                                     R157                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1      R333C311




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             47/50    R303    2           4.7K         C303 R309    C309




                                                                                                                                                                                                                                                                      2SA965-Y
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               +




                                                                                                                                                                                470/50
                                                                                                                                                                                 C109
                                                                                                                                                                                                     470K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              47/50 1.2K                       3               2.2K 47/50




                                                                                                                                                                                                                                                                                                                                                                                                   R966
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R325              4.7K                  1                       222J R320:A




                                                                                                                                                                                                                                                                       Q113
                                                                                                                                                               Q103




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       220K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                R327
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           +              1 50K               Q302:A




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            4
                                                                                                                                                              2SC1845                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               470                       3                                       3




                                                                                                                                                                                 +
                                                                                                                                                                                                                                                                                                                                                                                                                                                  R962




                                                                                                                                                                                                                                                                                     C121
                                                                                                                                                                                                                                                                                     222
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R301




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           8
                                                                                                                                                                                                                                       Q109                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                



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