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SC-LX73_LX83_RRV4104


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                                                                                                         ORDER NO.
                                                                                                      RRV4104
                                                               SC-LX83

AUDIO/VIDEO MULTI-CHANNEL RECEIVER


SC-LX83
SC-LX73
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
    Model               Type                 Power Requirement                             Remarks

 SC-LX83        SYXJ5             AC 220 V to 230 V

 SC-LX73        SYXJ5             AC 220 V to 230 V




This service manual should be used together with the following manual(s).
            Model No.              Order No.                                Remarks

 SC-37/UXJCB                      RRV4137



For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.




PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
  PIONEER CORPORATION 2010
                                                                                      K-ZZZ JUNE 2010 Printed in Japan
                1                                      2                               3                                  4

    1. EXPLODED VIEWS AND PARTS LIST
     NOTES:     Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
A               The      mark found on some component parts indicates the importance of the safety factor of the part.
                Therefore, when replacing, be sure to use parts of identical designation.
                Screws adjacent to mark on product are used for disassembly.
                For the applying amount of lubricants or glue, follow the instructions in this manual.
                (In the case of no amount instructions, apply as you think it appropriate.)
                Nos. indicate the pages and Nos. in the service manual for the base model.
                When ordering resistors, first convert resistance values into code form as shown in the following examples.
                Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
                        and K=10%).
                                         56 x 101          561                                        RD1/4PU 5 6 1 J
                                         47 x 103          473                                        RD1/4PU 4 7 3 J
                                         R50                                                          RN2H R 5 0 K
                                         1R0                                                          RS1P 1 R 0 K
B
                Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
                                         562 x 101         5621                                       RN1/4PC 5 6 2 1 F



    CONTRAST TABLE
    SC-37/UXJCB, SC-LX83/SYXJ5 and SC-LX73/SYXJ5 are constructed the same except for the following:
     Mark       No.              Symbol and Description              SC-37/UXJCB      SC-LX83/SYXJ5 SC-LX73/SYXJ5             Remarks
                        PCB ASSEMBLIES
    NSP                 1..REG BRIDGE ASSY                             AWR7086             AWR7094        AWR7094
              P107-4      2..MULTI CH IN ASSY                          AWX9616             AWX9698        AWX9698
C
    NSP                 1..AUDIO_COMPOSITE ASSY                        AWR7090             AWR7091        AWR7091
            P107-10       2..AUDIO ASSY                                AWX9647             AWX9648        AWX9648

            P107-12     1..DIGITAL MAIN ASSY                            AWX9620            AWX9627        AWX9628

            P107-13     1..DAC HIGH ASSY                                AWX9622            AWX9711         Not used

            P107-14     1..DAC LOW ASSY                                 Not used           Not used       AWX9659

            P107-15     1..COMPONENT ASSY                               AWX9654            AWX9654        AWX9656

              P109-1    1..ICEPOWER AMP ASSY                           AWH7024             AWH7027        AWH7026
D
    NSP                 1..INTERFACE_REG ASSY                          AWR7085             AWR7096        AWR7096
              P109-4      2..INTERFACE ASSY                            AWX9605             AWX9701        AWX9701

    NSP                 1..PRIM_DISPLAY ASSY                           AWM8191             AWM8204        AWM8211
              P111-3      2..DISPLAY ASSY                              AWX9600             AWX9681        AWX9688
              P109-3      2..PRIMARY ASSY                              AWX9604             AWX9693        AWX9693

                        PACKING SECTION
      >       P103-1    AC Power Cord                                   ADG7111            ADG7062        ADG7062
              P103-3    IR Bluster Cable                                ADF7007            ADF7007        Not used
              P103-5    Protection Sheet LX                             AEH7030            Not used       Not used
E             P103-8    Packing Case                                    AHD8677            AHD8678        AHD8685
              P103-11   Operating Instrutions (En)                      ARB7446            Not used       Not used

              P103-14   RF Remote Caution                               ARM7131            ARM7131        Not used
    NSP       P103-15   Warranty Card                                   ARY7007            ARY7128        ARY7128
              P103-16   RF Remote Control Unit                          AXD7580            AXD7580        Not used
              P103-17   Remote Control Unit                             Not used           Not used       AXD7592
              P103-18   RF Receiver Box                                 AXX7272            AXX7272        Not used

              P103-19   Battery Cover                                   AZN8049            AZN8049        Not used
              P103-20   Battery Door                                    Not used           Not used       AZN8047
    NSP       P103-22   Dry Cell Battery (LR6)                          VEM1047            VEM1047        Not used
F   NSP       P103-23   Dry Cell Battery (R3)                           Not used           Not used       VEM1049
                        Operating Instrutions (CD-ROM)                  Not used           ARU7001        ARU7001

                        Quick Start Guide (En/Fr/De)                    Not used           ARH7101        ARH7101

     2                                                           SC-LX83
                1                                      2                               3                                  4
                5                                  6                           7                            8

 Mark     No.                Symbol and Description            SC-37/UXJCB   SC-LX83/SYXJ5 SC-LX73/SYXJ5   Remarks
                    Quick Start Guide (It/Nl/Es)                 Not used      ARH7102       ARH7102
                    Quick Start Guide (Ru/Sv/No)                 Not used      ARH7103       ARH7103
NSP                 Label (WEEE)                                 Not used      ARW7322       Not used
                                                                                                                         A
NSP                 Bluetooth AD ASSY                            Not used      AXF7022       AXF7022        No. 26

NSP                 Top Case BTA                                 Not used      AAK8468       AAK8468        No. 27
NSP                 Bottom Case BTA                              Not used      AAK8469       AAK8469        No. 28
NSP                 BT Label (6L)                                Not used      AAL7444       AAL7444        No. 29
                    Nonwoven Sheet BTA                           Not used      AHG7142       AHG7142        No. 30
NSP                 Polyethylene Bag 55 x 80                     Not used      AHG7153       AHG7153        No. 31

                    Bluetooth ASSY                               Not used      AWM8111       AWM8111        No. 32

                    EXTERIOR SECTION
  >     P105-8      Power Transformer (T1501)                   ATS7430        ATS7431       ATS7431
                                                                                                                         B
  >     P105-9      Fuse (FU13, FU14 : 1 A)                     REK1142        Not used      Not used
  >     P105-9      Fuse (FU13, FU14 : T800 mA)                 Not used       AEK7072       AEK7072
  >     P105-10     Fuse (FU11, FU12, FU15 : 1.25 A)            REK1143        Not used      Not used
  >     P105-10     Fuse (FU11, FU12, FU15 : T1 A)              Not used       AEK7073       AEK7073

  >     P105-11     Fuse (FU61, FU62 : 10 A)                    REK1154        Not used      Not used
  >     P105-11     Fuse (FU61, FU62 : 10 A)                    Not used       VEK1029       VEK1029
        P105-21     Insulator                                   AMR7198        Not used      Not used
        P105-21     Insulator Assembly                          Not used       DXA1904       DXA1904

                    REAR SECTION
        P107-16     FM/AM Tuner Unit                            AXX7267        AXX7265       AXX7265
                                                                                                                         C
        P107-24     Rear Panel                                  ANC8568        ANC8571       ANC8578

                    CHASSIS SECTION
  >     P109-9      Fuse (FU4 : 2 A)                            REK1139        Not used      Not used
  >     P109-9      Fuse (FU4 : 4 A)                            Not used       REK1104       REK1104
  >     P109-10     Fuse (FU21, FU22, FU31, FU32 : 1.25 A)      REK1143        Not used      Not used
  >     P109-10     Fuse (FU21, FU22, FU31, FU32 : T800 mA)     Not used       AEK7072       AEK7072
  >     P109-11     Fuse (FU51, FU52 : 1.6 A)                   REK1144        Not used      Not used

  >     P109-11     Fuse (FU51 : T1.25 A)                       Not used       AEK7074       AEK7074
  >     P109-12     Fuse (FU1 : 10 A)                           VEK1029        Not used      Not used
  >     P109-12     Fuse (FU1 : T5 A)                           Not used       AEK1061       AEK1061
                                                                                                                         D

                    FRONT SECTION
        P111-13     Filter                                      AAK8443        AAK8459       AAK8459
        P111-14     Display Panel                               AAK8488        AAK8492       AAK8492
        P111-15     Power Ring                                  AAK8507        AAK8477       AAK8477
        P111-16     Door Sheet                                  AAK8535        AAK8536       AAK8536
        P111-24     Front Panel                                 ANB7531        ANB7532       ANB7536

        P111-25     Door Panel                                  ANB7538        ANB7539       ANB7539
        P111-28     P Base ASSY                                 AZN8040        AZN8041       AZN8041
        P111-29     Pioneer Badge                               VAM1159        VAM1158       VAM1158
        P111-30     STDBY BTN ASSY                              XAD3216        AAD7773       AAD7773
                                                                                                                         E
Notes : The numbers in the remarks column correspond to the numbers on the "EXPLODED VIEWS".
        For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES" and "2. SCHEMATIC DIAGRAM".




                                                                                                                         F




                                                              SC-LX83                                                3
                5                                  6                            7                           8
                  1                                        2                                       3                            4

    EXPLODED VIEWS
    PACKING SECTION

A




B


    CONTRAST OF PCB ASSEMBLIES

    A F AUDIO ASSY
    AWX9647 and AWX9648 are constructed the same except for the following:
     Mark          Symbol and Description                  AWX9647             AWX9648              Remarks
             IC3931                               Not used                   LC72725KM
             X3931 Crystal Resonator(4.332 MHz)   Not used                    ASS7004
             R3931, R3932                       RS1/10SR0R0J                RS1/10SR220J
             R3933                              RS1/10SR0R0J                RS1/10SR473J
C
             R2663, R2664                       RS1/10SR331J                RS1/10SR561J

             R2707, R2708                              RS1/10SR331J         RS1/10SR562J
             R3001, R3002                              RS1/10SR472J         RS1/10SR512J
             R2709, R2710                              RS1/10SR562J         RS1/10SR331J
             C3939, C3940                              CCSRCH101J50        CCSRCH100D50
             C3932                                     CCSRCH102J50        CCSRCH101J50

             C3051, C3052                              CCSRCH102J50        CCSRCH331J50
             C2691, C2692                              CCSRCH331J50        CCSRCH101J50
             C3934                                     CKSRYB103K50        CKSRYB104K50
             C2681, C2682, C3905                       CKSRYB104K16        CKSRYB104K50
D            C2673-C2676                               CKSRYB122K50        CCSRCH122J50

             C3167                                          Not used       CCSRCH100D50
             C2501-C2504, C2521-C2524                       Not used       CCSRCH101J50
             C2541-C2544, C2561, C2562                      Not used       CCSRCH101J50
             C2581-C2584, C2601-C2604                       Not used       CCSRCH101J50
             C2621, C2622, C2641-C2644                      Not used       CCSRCH101J50

             C2852, C2853, C3113, C3114                     Not used       CCSRCH101J50
             C3163, C3164, C3213, C3214                     Not used       CCSRCH101J50
             C3263, C3264, C3283, C3284                     Not used       CCSRCH101J50
             C2563, C2564, C2623, C2624                     Not used       CCSRCH220J50
E            C2661, C2662                                   Not used       CCSRCH221J50

             C3937, C3938                                   Not used       CCSRCH270J50
             C2665, C2666, C3111, C3112                     Not used       CCSRCH331J50
             C3161, C3162, C3211, C3212                     Not used       CCSRCH331J50
             C3261, C3262, C3281, C3282                     Not used       CCSRCH331J50
             C2951, C2952, C2971, C2972                     Not used       CCSRCH471J50

             C2667, C2668, C3933                            Not used       CCSRCH561J50
             C3941                                          Not used       CKSRYB103K50
             C3942                                          Not used       CKSRYB104K50
             C3936                                          Not used       CKSRYB472K50
F            C3931                                          Not used        CEAK221M16

             C3935                                          Not used         CEAK220M50
    The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual.

     4                                                                    SC-LX83
                  1                                        2                                       3                            4
                  5                                       6                                       7                         8




B F DAC HIGH ASSY
AWX9622 and AWX9711 are constructed the same except for the following:
                                                                                                                                    A
 Mark          Symbol and Description                  AWX9622             AWX9711              Remarks
         D2130                                         1SS302             Not used
         JA2101 Socket                                BKP1127             Not used
         R2133, R2134, R2144, R2145                   Not used          RS1/10SR0R0J
         R2231-R2233                                  Not used          RS1/10SR0R0J
         R2135                                      RS1/10SR0R0J          Not used

         R2142, R2143                              RS1/10SR331J    Not used
         R2140, R2141                              RS1/10SR474J    Not used
         R2492                                      RS1/8SQ105J  RS1/8SQ474J
         C2124, C2126                              CKSRYB103K50    Not used
         C2006, C2010-C2015, C2122                 CKSRYB104K16 CKSRYB104K50                                                        B

         C2446, C2480                              CKSRYB104K16        CKSRYB104K50
         C2020, C2023, C2027, C2028                CKSSYB104K10        CKSSYB104K16
         C2033, C2047, C2106, C2176                CKSSYB104K10        CKSSYB104K16
         C2183, C2429, C2482                       CKSSYB104K10        CKSSYB104K16
         C2127, C2128                               CEAT220M50            Not used



C F DAC LOW ASSY
AWX9658 and AWX9659 are constructed the same except for the following:
 Mark          Symbol and Description                  AWX9658             AWX9659              Remarks                             C
         D2130                                         1SS302             Not used
         JA2101 Socket                                BKP1127             Not used
         R2130-R2134, R2144, R2145                    Not used          RS1/10SR0R0J
         R2135                                      RS1/10SR0R0J          Not used
         R2140, R2141                               RS1/10SR474J          Not used

         R2142, R2143                              RS1/10SR331J             Not used
         C2124, C2126                              CKSRYB103K50             Not used
         C2127, C2128                               CEAK220M50              Not used



E F MULTI CH IN ASSY                                                                                                                D
AWX9616 and AWX9698 are constructed the same except for the following:
 Mark          Symbol and Description                  AWX9616             AWX9698              Remarks
         C7761-C7764, C7767-C7770                       Not used       CCSRCH101J50
         C7773-C7776, C7779-C7782                       Not used       CCSRCH101J50
The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual.



F F DIGITAL MAIN ASSY
AWX9620 and AWX9627 are constructed the same except for the following:
 Mark          Symbol and Description                   AWX9620             AWX9627              Remarks                            E
         IC1809                                     TC74VHC157FK             Not used
         IC1801                                     AAT4614AIGU-2            Not used
         IC1806                                     TC74VHC125FK             Not used
         IC1808                                     TC74LCX157FK             Not used
         IC1816                                      NJM2872BF33             Not used

         IC1803                                        BU9450KV              Not used
         D602, D604                                     1SS352               Not used
         D1801, D1802                                 HZU5R6(B2)             Not used
         L1801, L1802, L1806, L1808                     QTL1013              Not used
         L1811 Chip Solid Inductor                      QTL1013              Not used
                                                                                                                                    F
         X1801 Crystal                                  ASS7095            Not used
         JA1801 4p Socket                               AKP7201            Not used
         R1805                                          Not used         RS1/10SR0R0J

                                                                         SC-LX83                                                5
                  5                                       6                                       7                         8
                  1                                        2                                       3                            4

     Mark          Symbol and Description                   AWX9620             AWX9627                Remarks
             R1856, R1857, R1859, R1860                        Not used      RS1/16SS0R0J
             R1907, R1909, R1910                               Not used      RS1/16SS0R0J
A
             R724, R725, R738                             Not used           RS1/16SS101J
             R1823, R1828                               RS1/10SR101J           Not used
             R1814                                      RS1/10SR104J           Not used
             R1818                                      RS1/16SS0R0J           Not used
             R739, R1806, R1807, R1819                  RS1/16SS101J           Not used

             R1820, R1824-R1827, R1829                   RS1/16SS101J            Not used
             R1843, R1863, R1864, R1866                  RS1/16SS101J            Not used
             R1867, R1869-R1874                          RS1/16SS101J            Not used
             R1901, R1902                                RS1/16SS101J            Not used
             R1808, R1809, R1812                         RS1/16SS102J            Not used

B            R1905, R1906                                RS1/16SS102J            Not used
             R1801                                       RS1/16SS103J            Not used
             R1817, R1821, R1822, R1831                  RS1/16SS104J            Not used
             R1832, R1834, R1835                         RS1/16SS104J            Not used
             R1813                                       RS1/16SS105J            Not used

             R1868, R1892                                RS1/16SS151J            Not used
             R1846, R1847, R1865                         RS1/16SS470J            Not used
             R1830                                       RS1/16SS473J            Not used
             R1891                                       RS1/16SS680J            Not used
             R1833                                       RAB4CQ470J              Not used

C            C1855                                      CCSSCH100D50    Not used
             C1014                                      CCSSCH101J50 CCSSCH100D50
             C1802, C1812                               CCSSCH101J50    Not used
             C173                                       CCSSCH102J50 CCSSCH100D50
             C9037, C9038                               CCSSCH471J50 CCSSCH330J50

             C1826, C1833, C1835                       CCSSCH471J50    Not used
             C1810, C1811                              CCSSCH8R0D50    Not used
             C1807                                      CEVLW101M10    Not used
             C1803, C1844                               CEVW101M16     Not used
             C9807, C9808                              CKSQYB104K25 CKSQYB104K50


D            C1854                                      CKSQYB225K10    Not used
             C9817, C9823, C9850                        CKSRYB104K16 CKSRYB104K50
             C1804                                      CKSRYB104K16    Not used
             C1801                                      CKSRYB105K10    Not used
             C632, C661, C937, C946                     CKSSYB104K10 CKSSYB104K16

             C969, C976, C1296, C1341                   CKSSYB104K10        CKSSYB104K16
             C1362, C1367-C1370, C1385                  CKSSYB104K10        CKSSYB104K16
             C9043, C9066, C9083, C9095                 CKSSYB104K10        CKSSYB104K16
             C9099, C9108



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