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ORDER NO.
RRV4229
SC-LX85
AUDIO/VIDEO MULTI-CHANNEL RECEIVER


SC-LX85
SC-LX75
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model Type Porew Requirement Remarks

SC-LX85 SYXJ5 AC 220 V to 230 V

SC-LX75 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-57/UXJCB RRV4195



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 2011
K-ZZZ JULY 2011 Printed in Japan
1 2 3 4

1. CONTRAST OF MISCELLANEOUS PARTS
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-57/UXJCB, SC-LX85/SYXJ5 and SC-LX75/SYXJ5 are constructed the same except for the following:
Mark No. Symbol and Description SC-57/UXJCB SC-LX85/SYXJ5 SC-LX75/SYXJ5 Remarks
PCB ASSEMBLIES
P85-1 1..IR POWER AMP ASSY AWH7030 AWH7037 AWH7040

NSP 1..IR BUFFER ASSY AWM8249 AWM8282 AWM8282
C P85-2 2..IR BUFFER ASSY AWX9793 AWX9952 AWX9952

NSP 1..PRIM DISPLAY ASSY AWM8250 AWM8262 AWM8262
P85-4 2..PRIMARY ASSY AWX9799 AWX9848 AWX9848
P87-1 2..DISPLAY ASSY AWX9796 AWX9967 AWX9967
P87-4 2..MIC HP ASSY AWX9800 AWX9968 AWX9968

NSP 1..AUDIO COMPOSITE ASSY AWR7106 AWR7107 AWR7113
P83-2 2..AUDIO ASSY AWX9790 AWX9831 AWX9834
P83-3 2..COMPOSITE ASSY AWX9791 AWX9791 AWX9836

NSP 1..INTERFACE REG ASSY AWR7111 AWR7124 AWR7124
D P81-3 2..IR REG ASSY AWX9806 AWX9954 AWX9954
P81-4 2..B DIODE ASSY AWX9808 AWX9958 AWX9958
P85-7 2..A REG BRIDGE ASSY AWX9810 AWX9970 AWX9970

NSP 1..REG BRIDGE ASSY AWR7112 AWR7115 AWR7125
P81-6 2..DISPLAY BRIDGE ASSY AWX9815 AWX9956 AWX9956
P81-7 2..F-IN BRIDGE ASSY AWX9816 AWX9965 AWX9965
P83-9 2..MCH BRIDGE ASSY AWX9818 AWX9818 Not used
P83-11 2..MULTI CH IN ASSY AWX9857 AWX9856 Not used
P85-8 2..REG ASSY AWX9813 AWX9955 AWX9955
P85-10 2..FB-CONNECT ASSY AWX9819 AWX9966 AWX9966

P87-6 1..FRONT HDMI USB ASSY AWX9749 AWX9969 AWX9969
E

P83-13 1..DAC HIGH ASSY AWX9822 AWX9858 AWX9861

P83-14 1..DIGITAL MAIN ASSY AWX9827 AWX9727 AWX9950

P83-15 1..COMPONENT ASSY AWX9866 AWX9951 AWX9867

PACKING SECTION
> P79-2 AC Power Cord ADG7111 ADG7062 ADG7062
P79-6 Packing Case AHD8722 AHD8723 AHD8730
P79-9 Operating Instructions (En) ARB7459 Not used Not used
P79-12 Operating Instructions (CD-ROM) ARU7006 ARU7004 ARU7028
F NSP P79-13 Warranty Card ARY7007 ARY7128 ARY7128

P79-14 Remote Control Unit SEL/MID AXD7612 Not used AXD7613
P79-14 RF Remote Control Unit Not used AXD7580 Not used
2 SC-LX85
1 2 3 4
5 6 7 8

Mark No. Symbol and Description SC-57/UXJCB SC-LX85/SYXJ5 SC-LX75/SYXJ5 Remarks
P79-15 Battery Door AZN8047 Not used AZN8047
P79-15 Battery Cover Not used AZN8049 Not used
NSP P79-17 Dry Cell Battery (R3) VEM1051 Not used VEM1051
A

NSP P79-17 Dry Cell Battery (LR6) Not used VEM1053 Not used
Operating Instructions Not used ARH7107 ARH7107
Operating Instructions Not used ARH7108 ARH7108
Operating Instructions Not used ARH7109 ARH7109
NSP Label (WEEE) Not used ARW7322 Not used

NSP Name Label AD(EL) Not used AAL7447 Not used
NSP Name Label RC(EL) Not used AAL7446 Not used
IR Bluster Cable Not used ADF7007 Not used
RF Receiver Box Not used AXX7272 Not used
RF Remote Caution Not used ARM7131 Not used
B

Manual Assy Not used AXX7286 AXX7286
Wifi Cable (service) Not used ADE7138 ADE7138
NSP Wifi Converter E Not used