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ORDER NO.
RRV4346
SC-LX56
AV Receiver
SC-LX56
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
The voltage can be converted by the
Model Type Porew Requirement
following method.
SC-LX56 FXJ AC 110 V -------
SC-LX56 DLPWXJ AC 220 V to 230 V/ 240 V With the voltage selector
SC-LX56 AXJ5 AC 220 V -------
This service manual should be used together with the following manual(s).
Model No. Order No. Remarks
SC-65/UXJCB RRV4311
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 2012
K-ZZZ JUNE 2012 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-65/UXJCB, SC-LX56/FXJ, SC-LX56/DLPWXJ and SC-LX56/AXJ5 are constructed the same except for the following:
SC-65 SC-LX56 SC-LX56 SC-LX56
Mark No. Symbol and Description Remarks
/UXJCB /FXJ /DLPWXJ /AXJ5
PCB ASSEMBLIES
NSP 1..INTERFACE REG ASSY AWR7147 AWR7164 AWR7164 AWR7164
P77-1 2..IR REG ASSY AWX1283 AWX1296 AWX1296 AWX1296
C
P79-9 2..CONNECT ASSY AWX1160 AWX1298 AWX1298 AWX1298
NSP 1..PRE POWER ASSY AWR7149 AWR7165 AWR7165 AWR7165
P77-3 2..A-REG ASSY AWX1162 AWX1300 AWX1300 AWX1300
NSP 1..IR BUFFER ASSY AWM8306 AWM8312 AWM8312 AWM8312
P79-2 2..IR BUFFER ASSY AWX1155 AWX1297 AWX1297 AWX1297
1..AUDIO COMPOSITE ASSY AWR7135 AWR7160 AWR7160 AWR7160
P79-4 2..AUDIO ASSY AWX1113 AWX1273 AWX1273 AWX1273
P79-13 1..DAC HIGH ASSY AWX1103 AWX1294 AWX1294 AWX1294
D
P79-14 1..COMPONENT ASSY AWX1105 AWX1287 AWX1287 AWX1287
P79-15 1..DIGITAL MAIN ASSY AWX1199 AWX1281 AWX1266 AWX1266
1..D AMP ASSY AWH7047 AWH7051 AWH7051 AWH7051
P81-1 2..D AMP ASSY AWX1210 AWX1213 AWX1213 AWX1213
NSP 1..PRIM DISPLAY ASSY AWM8289 AWM8294 AWM8293 AWM8295
P81-2 2..PRIMARY ASSY AWX1136 AWX1140 AWX1139 AWX1141
P83-4 2..MIC HP ASSY AWX1148 AWX1295 AWX1295 AWX1295
E P83-7 1..FRONT HDMI USB ASSY AWX1110 AWX1292 AWX1292 AWX1292
PACKING SECTION
> P75-3 AC Power Cord ADG7118 ADG7120 ADG7123 ADG7122
P75-7 Quick Start Guide ARH7119 ARH7121 ARH7122 ARH7123
P75-8 Caution Sheet SP ARM7083 ARM7083 ARM7083 ARM7104
NSP P75-9 Caution Card ARM7134 ARM7136 ARM7137 ARM7138
P75-10 Operating Instructions (CD-ROM) ARU7032 ARI7021 ARU7034 ARI7022
NSP Operating Instructions (En) ARB7480 Not used Not used Not used
NSP Operating Instructions (Fr) ARC8076 Not used Not used Not used
NSP Operating Instructions (Zhtw) Not used ARC8074 Not used Not used
NSP Operating Instructions (En) Not used Not used ARB7482 Not used
NSP Operating Instructions (Es) Not used Not used ARC8085 Not used
F
NSP Operating Instructions (Zhcn) Not used Not used Not used ARC8075
NSP P75-13 Warranty Card ARY7007 Not used Not used ARY7118
2 SC-LX56
1 2 3 4
5 6 7 8
SC-65 SC-LX56 SC-LX56 SC-LX56
Mark No. Symbol and Description Remarks
/UXJCB /FXJ /DLPWXJ /AXJ5
P75-19 Packing Case AHD8754 AHD8757 AHD8758 AHD8759
Caution 220-230V Not used Not used ARR7023 Not used
A
Caution Card SD SB Not used Not used ARM7063 Not used
EXTERIOR SECTION
> P77-9 Power Transformer ATS7455 ATS7454 ATS7452 ATS7452
> P77-10 Fuse (FU13, FU14 : 1A) REK1142 Not used Not used Not used
> P77-10 Fuse (FU13, FU14 : T800mA) Not used AEK7072 AEK7072 AEK7072
> P77-11 Fuse (FU11, FU12, FU15, REK1143 Not used Not used Not used
FU21, FU22 : 1.25A)
> P77-11 Fuse (FU11, FU12, FU15 : T1A) Not used AEK7073 AEK7073 AEK7073
> P77-11 Fuse (FU21, FU22 : T800mA) Not used AEK7072 AEK7072 AEK7072
> P77-12 Fuse (FU31, FU32 : 1.6A) REK1144 Not used Not used Not used
> P77-12 Fuse (FU31, FU32 : T800mA) Not used AEK7072 AEK7072 AEK7072 B
> P77-13 Fuse (FU10 : 6A) REK1151 Not used Not used Not used
> P77-13 Fuse (FU10 : T5A) Not used AEK1061 AEK1061 AEK1061
P77-22 Insulator AMR7198 DXA1904 DXA1904 DXA1904
REAR SECTION
P79-19 Rear Panel ANC8632 ANC8635 ANC8636 ANC8637
NSP CCC S Label Not used Not used Not used DRW2310
NSP Label/CPA Not used Not used AAX8227 Not used
Screw (For Voltage Selector) Not used Not used BBZ30P080FTB Not used Rear Panel
CHASSIS SECTION C
> P81-8 Fuse (FU4 : 2A) REK1139 REK1139 Not used Not used
> P81-8 Fuse (FU4 : 4A) Not used Not used REK1104 REK1104
> P81-9 Fuse (FU1 : 10A) REK1154 Not used Not used Not used
> P81-9 Fuse (FU1 : 10A) Not used DEK1045 Not used Not used
> P81-9 Fuse (FU1 : T5A) Not used Not used AEK1061 AEK1061
FRONT SECTION
P83-11 Door Panel AAN7237 AAN7236 AAN7236 AAN7236
P83-21 Filter AAK8443 AAK8459 AAK8459 AAK8459
P83-22 Display Panel AAK8567 AAK8568 AAK8568 AAK8568
NSP P83-26 Panel Base AMB8041 AMB8042 AMB8042 AMB8042
P83-27 Panel ANB7577 ANB7579 ANB7579 ANB7579
D
P83-28 Pioneer Badge VAM1159 VAM1158 VAM1158 VAM1158
Notes : For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES".
CONTRAST OF PCB ASSEMBLIES
AF AUDIO ASSY
AWX1113 and AWX1273 are constructed the same except for the following:
Mark Symbol and Description AWX1113 AWX1273 Remarks E
R3907, R3917-R3919, R3976 RS1/10SR0R0J RS1/10SR100J
R3982, R3983 RS1/10SR0R0J RS1/10SR101J
R3901, R3902 RS1/10SR0R0J RS1/10SR2R2J
R2763, R6745 RS1/10SR100J RS1/10SR220J
R3915 RS1/10SR332J Not used
R2688 RS1/8SQ152J RS1/8SQ132J
C2815, C2816 CKSQYB103K50 Not used
C3021 CKSRYB103K50 Not used
C3901 CCSRCH270J50 Not used
C3908, C3911, C3912, C3916 CCSRCH100D50 Not used
F
C3001, C3002 CEAK2R2M50 ACH7379
C3025, C3026 CEAK100M50 ACH7380
SC-LX56 3
5 6 7 8
1 2 3 4
BF DAC HIGH ASSY
AWX1103 and AWX1294 are constructed the same except for the following:
A Mark Symbol and Description AWX1103 AWX1294 Remarks
R2231, R2232 Not used RS1/8SQ393J
C2058 CKSQYB225K10 CCG1222
C2401, C2402 CKSRYB104K16 Not used
C2403, C2404 DCH1201 DCH1263
The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual.
CF FRONT HDMI USB ASSY
AWX1110 and AWX1292 are constructed the same except for the following:
Mark Symbol and Description AWX1110 AWX1292 Remarks
B
C8044, C8045 ACG1128 CCG1236
EF DIGITAL MAIN ASSY
AWX1199, AWX1281 and AWX1266 are constructed the same except for the following:
Mark Symbol and Description AWX1199 AWX1281 AWX1266 Remarks
R683, R943, R1570 RS1/16SS0R0J RS1/16SS100J RS1/16SS100J
R9212 RS1/16SS103J RS1/16SS123J RS1/16SS123J
R1902 RS1/16SS151J RS1/16SS101J RS1/16SS101J
R1590, R9042, R9743 RS1/16SS470J RS1/16SS101J RS1/16SS101J
R1928 RS1/16SS470J RS1/16SS560J RS1/16SS560J
C
R1571 RS1/16SS0R0J RS1/16SS101J RS1/16SS0R0J
R1807 RS1/16SS470J VTL1127 RS1/16SS470J
R9133 RS1/16SS330J RS1/16SS0R0J RS1/16SS330J
C9298-C9300 ACG1150 CCG1236 CCG1236
C997 CCSSCH100D50 Not used Not used
C720, C721, C1424 CCSSCH101J50 CCSSCH331J50 CCSSCH331J50
C9255 CCSSCH102J50 CCSSCH331J50 CCSSCH331J50
C1227 CCSSCH331J50 CCSSCH471J50 CCSSCH471J50
C1029 CCSSCH331J50 CKSSYB103K25 CKSSYB103K25
D C926 CEVW470M6R3 CEVW101M4 CEVW101M4
C422 CKSQYB105K25 VCG1072 VCG1072
C1627, C1631, C1686, C1693 CKSRYB105K16 CKSRYB103K50 CKSRYB103K50
C1380 CKSSYB103K25 CKSSYB104K16 CKSSYB104K16
C155, C616, C628, C643 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C664, C680, C981, C1034 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C1285, C1318, C1334, C1761 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C1783, C1785, C1791, C1801 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C9020, C9028, C9098, C9177 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C9212, C9681, C9721, C9726 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
C9775 CKSSYB104K16 CKSSYB103K25 CKSSYB103K25
E
C609, C655, C1205, C1211 DCH1201 DCH1263 DCH1263
C1605, C1650, C1719, C1723 DCH1201 DCH1263 DCH1263
C1740, C1743, C9226, C9228 DCH1201 DCH1263 DCH1263
C9230 DCH1201 DCH1263 DCH1263
C927, C1228, C1353, C1354 DCH1201 Not used Not used
C1428, C1732, C9638 DCH1201 Not used Not used
C449, C450, C1907, C1963 ACG1128 CCG1236 CCG1236
C1964, C1971, C9406, C9407 ACG1128 CCG1236 CCG1236
C9412, C9417, C9418, C9425 ACG1128 CCG1236 CCG1236
C1208 CEVW221M4 VCH1234 VCH1234
F C9262 DCH1246 CKSSYB103K25 CKSSYB103K25
4 SC-LX56
1 2 3 4
5 6 7 8
GF COMPONENT ASSY
AWX1105 and AWX1287 are constructed the same except for the following:
Mark Symbol and Description AWX1105 AWX1287 Remarks A
R8391, R8392, R8610, R8626-R8634 Not used RS1/10SR0R0J
R8418 RS1/8SQ561J RS1/8SQ471J
C8619 CCSRCH100D50 Not used
C8408, C8410, C8413, C8415 CCSRCH102J50 Not used
C8421, C8422 CCSRCH102J50 CCSRCH331J50
C8394 CCSRCH470J50 Not used
C8608 CCSRCH471J50 Not used
C8607 CKSRYB103K50 Not used
C8409, C8414 DCH1201 DCH1263
C8378 Not used CCSRCH471J50
The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual. B
IF MIC HP ASSY
AWX1148 and AWX1295 are constructed the same except for the following:
Mark Symbol and Description AWX1148 AWX1295 Remarks
C3480 DCH1201 DCH1263
C3460 DCH1165 CCG1236
NF IR BUFFER ASSY
C
AWX1155 and AWX1297 are constructed the same except for the following:
Mark Symbol and Description AWX1155 AWX1297 Remarks
R6806, R6826, R6846, R6866 RS1/10SR22R0F RS1/10SR0R0J
R6886, R6906, R6926, R7456 RS1/10SR22R0F RS1/10SR0R0J
R7476 RS1/10SR22R0F RS1/10SR0R0J
QF D AMP ASSY
AWX1210 and AWX1213 are constructed the same except for the following:
Mark Symbol and Description AWX1210 AWX1213 Remarks
IC4204, IC4404, IC4604, IC4704 NJM12904V NJM2732V D
IC4804 NJM12904V NJM2732V
JA4301, JA4501, JA4901 AKE7109 AKE7110
JA5101 Speaker Terminal 4-P AKE7109 AKE7110
JA4101 Speaker Terminal 6-P AKE7107 AKE7108
R5194 Not used RS1/10SR0R0J
R4173, R4273, R4373, R4473 Not used RS1/8SQ105J
R4573, R4673, R4773, R4873 Not used RS1/8SQ105J
R4973 Not used RS1/8SQ105J
R4174, R4274, R4374, R4474 Not used RS1/8SQ242J
R4574, R4674, R4774, R4874 Not used RS1/8SQ242J
E
R4974 Not used RS1/8SQ242J
R5191 RS1/10SR0R0J Not used
R4069 RS1/10SR0R0J RS1/10SR100J
R4097 RS1/10SR100J RS1/10SR101J
R5033 RS1/10SR100J RS1/10SR120J
R4128, R4180, R4184, R4228 RS1/10SR101J RS1/10SR111J
R4280, R4284, R4328, R4380 RS1/10SR101J RS1/10SR111J
R4384, R4428, R4480, R4484 RS1/10SR101J RS1/10SR111J
R4528, R4580, R4584, R4628 RS1/10SR101J RS1/10SR111J
R4680, R4684, R4728, R4780 RS1/10SR101J RS1/10SR111J
F
R4784, R4828, R4880, R4884 RS1/10SR101J RS1/10SR111J
R4928, R4980, R4984 RS1/10SR101J RS1/10SR111J
R4001, R4003, R4004, R4275 RS1/10SR101J RS1/10SR121J
R4475, R4675, R4775, R4875 RS1/10SR101J RS1/10SR121J
SC-LX56 5
5 6 7 8
1 2 3 4
Mark Symbol and Description AWX1210 AWX1213 Remarks
R5056, R5057, R5061 RS1/10SR101J RS1/10SR121J
R4110, R4210, R4310, R4410 RS1/10SR103J RS1/10SR912J
A
R4510, R4610, R4710, R4810 RS1/10SR103J RS1/10SR912J
R4910 RS1/10SR103J RS1/10SR912J
R5006 RS1/4SA105J RS1/4SA104J
R4131, R4231, R4331, R4431 RS1/8SQ103J RS1/8SQ752J
R4531, R4631, R4731, R4831 RS1/8SQ103J RS1/8SQ752J
R4931 RS1/8SQ103J RS1/8SQ752J
R4132, R4232, R4332, R4432 RS1/8SQ123J RS1/8SQ822J
R4532, R4632, R4732, R4832 RS1/8SQ123J RS1/8SQ822J
R4932 RS1/8SQ123J RS1/8SQ822J
C4091 CKSRYB104K50 CKSRYB103K50
B
The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual.
RF PRIMARY ASSY
AWX1136, AWX1140, AWX1139 and AWX1141 are constructed the same except for the following:
Mark Symbol and Description AWX1136 AWX1140 AWX1139 AWX1141 Remarks
> L1 Line Filter ATF7046 ATF7046 ATF7050 ATF7050
> S81 Voltage Selector Not used Not used AKX7020 Not used
> CN81 Connector B2P3-VH Not used Not used Not used
> CN82 Connector(VH) Not used B3P5-VH B3P5-VH B3P5-VH
> JA71 AC Inlet Assy ADX7513 ADX7513 ADX7513 ADX7464
C
KN2 Screw Plate VNE1948 VNE1948 Not used VNE1948
The mounting positions of the additional parts are described in the circuit diagram and PCB diagram of the parent manual.
S F A-REG ASSY
AWX1162 and AWX1300 are constructed the same except for the following:
Mark Symbol and Description AWX1162 AWX1300 Remarks
C7505, C7506, C7522 CKSRYB103K50 Not used
C7509, C7510, C7517 CKSRYB104K50 Not used
C7502, C7524-C7526 CKSRYB473K50 Not used
D
TF IR REG ASSY
AWX1283, and AWX1296 are constructed the same except for the following:
Mark Symbol and Description AWX1283 AWX1296 Remarks
R7274 RS1/4SA271J RS1/4SA105J
WF CONNECT ASSY
AWX1160 and AWX1298 are constructed the same except for the following:
Mark Symbol and Description AWX1160 AWX1298 Remarks
E
R7810, R7811, R7815-R7818 RS1/10SR100J RS1/10SR120J
F
6 SC-LX56
1 2 3 4