Pioneer vsxd 908 tx service manual

Page 1

Service
Manual

Pioneer

ORDER NO.
RRV2153

AUDIO/VIDEO MU LTI-CHANNEL RECEIVER

VSX-D908TX
VSX-D908TX-G

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model

The voltage can be converted by

Type VSX-DQOBTX

VSX-D908TX-G

Power Requirement the following method.

SD

O

O

AC110V/120-127V/220V/240V With the voltage selector

I This service manual should be used together with the following manual(s):

Model Order No. Remarks
VSX-24TX/KU/CA RRV2133
CONTENTS

1. CONTRAST OF MISCELLANEOUS PARTS -------- 2

2. SCHEMATIC DI

AGRAM ....................................... 7

3_ PCB CONNECTION DIAGRAM .......................... 10

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. BOX1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

©P|ONEER ELECTRONIC CORPORATION 1999

T -ZZK JUNE 1999 Printed in Japan

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VSX-D908TX, VSX-D908TX-G

1. CONTRAST OF MISCELLANEOUS PARTS

NOTES: 0 Parts marked by "NSF" are generally unavailable because they are not in our Master Spare Parts List.
I The /I\ markfound 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.
0 Screws adjacent to ' mark on product are used for disassembly.
IReference Nos. indicate the pages and Nos. in the service manual for the base model.
I When ordering resistors, first convert resistance values into codeform as shown in thefollowing examples.
Ex] When there are 2 effective digits (any digit apartfrom 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).

560 7 56 X 10 7 561 ------------------------------
47k 7 47x10 7 473
0.5 7 R50 --
1 7 1R0 - RSIP-EflK
Ex.2 When there are 3 eflective digits (such as in high precision metalfilm resistors).
5.6Zk 7 562 x 10 7 5621 --------- -- ----- RNI/4PCI
l CONTRAST TABLE
VSX»D908TX/SD, VSX-D908TX-G/SD and VSX»24TX/KU/CA are constructed the same except for the following :
Part No.
Ref. No. Mark Symbol and Description VSX-24TX VSX-D908TX VSX-D908TX-G Remarks
/KU/CA /SD /SD
ASSEMBLIES
MAIN ASSY AWK7531 AWK7539 AWK7539
P5- 5 7 MAIN CONTROLASSY AWX7406 AWX7425 AWX7425
P5-12 7 VIDEO ASSY AWX7407 AWX7422 AWX7422
COMPLEX ASSY AWK7526 AWK7540 AWK7540
P5- 3 7 A-PINJACK ASSY AWX7401 AWX7397 AWX7397 *1
P5-1O 7 TRANS 1 ASSY AWX7316 Not used Not used
P5-15 7 PRIMARY ASSY AWX7311 AWX7426 AWX7426
7 /SD ASSY Not used AWX7448 AWX7448 No.1
FRONTNAMP ASSY AWK7527 AWK7541 AWK7541
P5-19 7 V-AMP ASSY AWX7409 AWX7309 AWX7309 *2
P9- 1 7 H.PHONE/F.V|DEO ASSY AWX7528 *3 AWX7342 AWX7342
P9- 2 7 DISPLAY ASSY AWX7529 *4 AWX7408 AWX7408
POWER/CURRENT ASSY AWK7498 AWK7510 AWK7510
P5- 6 7 TRANS 2-1 ASSY AWX7326 AWX7403 AWX7404
P5- 8 - SP/PS ASSY AWX7325 AWX7359 AWX7359
PACKING SECTION
P3- 3 Operating Instructions (English) ARB7186 Not used Not used
P3- 3 Operating Instructions (English) Not used ARE7213 ARE7213
Operating Instructions (Chinese) Not used ARC7286 ARC7286
Operating Instructions (Spanish) Not used ARC7287 ARC7287
P3- 4 Remote Control Unit (CU-VSXt59) AXD7212 Not used Not used
P3- 4 Remote Control Unit (CU-VSX163) Not used AXD7234 Not used
P3- 4 Remote Control Unit (CU-VSX164) Not used Not used AXD7235
P3- 9 Packing Case AHD7784 AHD7795 AHD7799
P3-12 NSP Warranty Card ARY1026 ARY7025 Not used
NSP Caution Card 220V Not used ARR7003 ARR7003 OnlhePonethylene Bag
A AC Plug Adapter Not used AKX7011 AKX7011 For Accessories

*1, *2, *3, *4 : refer to VSX726TX/KU/CA on the Service manual RRV2133.
*3 : As for HPHONE/FVIDEO ASSY, the design Change was done from AWX7342 to AWX7528.
*4 : As for DISPLAY ASSY, the design change was done from AWX7408 to AWX7529.