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ORDER NO.
RRV3667
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-LX50
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
The voltage can be converted by the
Model Type Power Requirement
following method
VSX-LX50 SAXJ5 AC 110 V/ 120 V to 127 V/ 220 V/ 230 V to 240 V With the voltage selector
This service manual should be used together with the following manual(s):
Model Order No. Remarks
VSX-LX50/HYXJ5 RRV3598
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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 2007
T-ZZV AUG. 2007 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.
1.1 CONTRAST TABLE
VSX-LX50/HYXJ5 and VSX-LX50/SAXJ5 are constructed the same except for the following:
Mark No. Symbol and Description VSX-LX50/HYXJ5 VSX-LX50/SAXJ5 Remarks
PCB ASSEMBLIES
B
NSP 1..MAIN ASSY AWK7975 AWK7976
P95-7 2..MAIN CONTROL ASSY AWX8817 AWX8818
P95-9 2..AUDIO IN ASSY AWX8821 AWX8822
NSP 1..COMPLEX ASSY AWK8015 AWK8016
P93-1 2..PRIMARY ASSY AWX9035 AWX9036
P93-2 2..TRANS1 ASSY AWX9038 Not used
P101-3 2..DISPLAY ASSY AWX8874 AWX8875 Constructed same.
2..2VOLT-SW ASSY Not used AWX9039 No.1
C
J21 BOARD IN JUMPER WIRED Not used DB015NB2
J22 BOARD IN JUMPER WIRED Not used DB914NB2
J23 BOARD IN JUMPER WIRED Not used DB116NB2
> Y14 AWG18 BOARD IN ADX7500 Not used
> Y15 AWG18 BOARD IN ADX7501 Not used
NSP 1..SECONDARY ASSY AWK7911 AWK7912
P93-6 2..PS/SP ASSY AWX9107 AWX9053 Constructed same.
P93-8 2..LOCAL P-SUPPLY ASSY AWX9064 AWX9114
P93-14 2..TRANS SIDE ASSY AWX9056 AWX9057
P95-6 2..IR I/O ASSY AWX9067 AWX9101
D
P95-12 FM/AM TUNER UNIT AXX7248 AXX7251
PACKING SECTION
> AC Power Cord Not used ADG7105
NSP P89-5 Warranty Card ARY7065 ARY7046
P89-6 Caution Sheet (Spanish/English) ARM7083 Not used
P89-6 Caution Sheet (Spanish/Chinese) Not used ARM7104
P89-7 Disclaimer XRM3010 ARM7108
P89-8 Operating Instructions (English) ARB7371 Not used
E P89-9 Operating Instructions (French) ARC7728 Not used
P89-10 Operating Instructions (German) ARC7729 Not used
P89-11 Operating Instructions (Italian) ARC7730 Not used
P89-12 Operating Instructions (Spanish) ARC7731 Not used
P89-13 Operating Instructions (Dutch) ARC7732 Not used
NSP P89-17 Polyethylene Bag AHG7132 AHG7117
P89-21 Packing Case LX50 AHD8525 AHD8527
P89-22 Label(WEEE) ARW7322 Not used
P89-23 Operating Instructions (Russian) ARC7767 Not used
F
Operating Instructions (Chinese) Not used ARC7735 Accessories
2 VSX-LX50
1 2 3 4
5 6 7 8
Mark No. Symbol and Description VSX-LX50/HYXJ5 VSX-LX50/SAXJ5 Remarks
EXTERIOR SECTION
Label (License HD) Not used ARW7359
NSP CCC S&E Label Not used DRW2310
A
CHASSIS SECTION
> P93-15 Fuse (FU1: T5AL250V) REK1029 Not used
> P93-15 Fuse (FU1: T10AL250V) Not used DEK1045
> Fuse (FU2,FU3 : T4AL250V) Not used REK1028
> P93-19 Power Transformer (T1501) ATS7408 ATS7410
> P93-20 AC Power Cord VDG1080 Not used
P93-21 Cord Stopper CM-22B Not used
P93-50 Primary Barrier AEC7569 Not used
P93-51 Shield Case AMR7526 Not used B
NSP P93-52 Fuse Card AAX7098 AAX7970
REAR SECTION
P95-13 Rear Panel ANC8469 ANC8471
> DC FAN Motor Not used AXM7029 No.2
> Voltage Selector (S1905) Not used AKX-507 No.3
FRONT PANEL SECTION
P101-7 F Panel LX50HY ANB7415 Not used
P101-7 F Panel LX50SF Not used ANB7418
Notes : The number in the Remarks column correspond to to the numbers on "EXPLODED VIEWS". C
For PCB assemblies, Refer to "1.2 CONTRAST OF PCB ASSEMBLIES", "1.3 PCB Parts List", "2. SCHEMATIC DIAGRAM" and "3. PCB
CONNECTION DIAGRAM".
Exploded Views
Rear Panel Section
Screw
AC INLET ASSY BBZ30P080FCC No.3
Screw
Rear Panel BBZ30P080FCC D
AM F
No.1
No.2
Cleaning paper : GED-008
E
F
VSX-LX50 3
5 6 7 8
1 2 3 4
1.2 CONTRAST OF PCB ASSEMBLIES
A A F AUDIO IN ASSY
AWX8822 and AWX8821 are constructed the same except for the following:
Mark Symbol and Description AWX8821 AWX8822 Remarks
C501, C502 CCSRCH101J50 Not used
C503, C504 CCSRCH221J50 Not used
C505-C510 CCSRCH101J50 Not used
C511, C512 CCSRCH221J50 Not used
C513-C518 CCSRCH101J50 Not used
C519, C520 CCSRCH221J50 Not used
C521-C526 CCSRCH101J50 Not used
C527, C528, C531-C536, C539, C540 CCSRCH151J50 Not used
B C541-C544 CCSRCH101J50 Not used
C547, C548 CCSRCH151J50 Not used
C549-C552 CCSRCH101J50 Not used
C F MAIN CONTROL ASSY
AWX8818 and AWX8817 are constructed the same except for the following:
Mark Symbol and Description AWX8817 AWX8818 Remarks
IC251 LC72725KM Not used
R126, R127 RS1/16S101J Not used
C R151, R251 RS1/16S473J Not used
R152 Not used RS1/16S473J *1
R252-R254 RS1/16S102J Not used
C251 CEAT100M50 Not used
C253 CCSRCH561J50 Not used
C254 CEAT101M10 Not used
C255 CKSRYB102K50 Not used
C256, C257 CCSRCH270J50 Not used
C260 CKSRYB472K50 Not used
X251 CRYSTAL RESONATOR (4.332 MHz) ASS7004 Not used
D *1 : Refer to AWX8816 on page 106 of RRV3598.
Q F PRIMARY ASSY
AWX9036 and AWX9035 are constructed the same except for the following:
Mark Symbol and Description AWX9035 AWX9036 Remarks
R2002 RD1/4MUF101J Not used
> C2001 FILM (0.01/ 275 V) Not used ACE7013
C2008 Not used CKSRYB102K50
> 2005 AC INLET ASSY Not used ADX7464
> CN2003 AC CORD SOCKET RKP1751 Not used
E H2003-H2006 FUSE CLIP Not used AKR7001
> RY2001 POWER RELAY ASR7013 ASR7022
NSP J2001 BOARD IN JUMPER WIRED Not used DB125EB0
NSP J2002 BOARD IN JUMPER WIRED Not used DB316EB0
> J2003 BOARD IN JUMPER WIRED Not used ADB7025
KN2002 Not used VNF1084
> T2001 STANDBY TRANSFORMER ATT7040 XTT3006
Y F TRANS SIDE ASSY
AWX9057 and AWX9056 are constructed the same except for the following:
F
Mark Symbol and Description AWX9056 AWX9057 Remarks
D3201 Not used 1SS355
R3201 Not used RS1/16S104J
4 VSX-LX50
1 2 3 4
5 6 7 8
Mark Symbol and Description AWX9056 AWX9057 Remarks
CN3204 3P CONNECTOR Not used S3B-EH
Z F LOCAL P-SUPPLY ASSY
AWX9114 and AWX9064 are constructed the same except for the following:
A
Mark Symbol and Description AWX9064 AWX9114 Remarks
W3526 Jumper Wire Not used
> IC3511 IC PROTECTOR Not used ICP-N10 W3526
b F IR I/O ASSY
AWX9101 and AWX9067 are constructed the same except for the following:
Mark Symbol and Description AWX9067 AWX9101 Remarks
R3755 RS1/16S0R0J Not used B
1.3 PCB PARTS LIST
Mark No. Description Part No.
m F 2VOLT-SW ASSY
MISCELLANEOUS
> S 2201 VOLTAGE SELECTOR AKX7020
C
D
E
F
VSX-LX50 5
5 6 7 8
1 2 3 4
2. SCHEMATIC DIAGRAM
2.1 PRIMARY and 2VOLT-SW ASSYS
A
Q F PRIMARY ASSY (AWX9036)
CN2002
KP200TA5L
W CN3007
NC 1
NC
NC
2
3
AM F
NC 4 2VOLT-SW ASSY
NC 5 (AWX9039)
CN2001 IC2002
KP200TA9L +5V 50/60Hz
0V STBY
B W.UP 1 R2004 D2004 W2015
RYAC 2 1SS355 S2201
3.3k T2001 J23
C2011
YB
STBY
AKX7020
C2005
DB116NB2
IC2001 XTT3006 1
0.01
W CN3008
V+5.6ST 3 +5.6V NJM78M56FA (BWN)
Q2001 OUT IN 9
CQMBA
J22 DB914NB2
RT1N431M
UDZS5R1(B)
GNDST 4 3 1 W2011 8 2
C 2 (WHT)
3300/25
W2012STBY
D2006
D2005
STBY
R2003
C2009
C2006
7
STBY
C2010
C2004
J21
220/25
B
0.01
10k
GNDST 5 DB015NB2
W2013STBY 6 3
(BLK)
GNDST 6 W2014 5
E D2003
S1WB(A)60SD
C2007
4
STBY
GNDST 7 W2023STBY
C2008
GNDST 8 W2022
GNDST 9
W2009
GNDST
(L) 2005
D2001 D2002 YEL ADX7464
STBY
W2008
W2007
L2003
1SS355 1SS355 L2002
STBY
C
STBY
W2001 WHT (N)
RY2001 FU1
ASR7022 W2002
(TV-5 0.25W) W2003 H2001
AKR7001
ACE7013
0.01/275
L2001
1 4
C2002
ACE7013
C2003 H2002
C2001
AKR7001
XCG3009
0.01/250 2 3
XTF3004
W2004
W2005 KN2002 VNF1084
W2006
STBY CHASSIS
FU2
120 REK1028 (T4AL250V)
1 H2003
J2001 AKR7001
10 2
S1905
D DB125EB0 H2004
0 3 (BRN) AKR7001
6
2 3 H2005
120 AKR7001
4 J2002
110 KN2001
5 DB316EB0 H2006
(ORG) AKR7001 1 2
0 6 4 5 REK1028 (T4AL250V)
1
J2003 FU3 VNE1948
0 7
(GRY) 3 4
ADB7025
NOTE CHASSIS
1.RESISTORS
Unit: k-k, M-M or unless otherwise noted.
NOTE FOR FUSE REPLACEMENT
E Rated power: 1/10W unless otherwise noted. CAUTION - FOR CONTINUED PROTECTION AGAINST
Tolerance: (J)