Pioneer vsxd 939 tx service manual

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Service
Manual

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

Pioneer

ORDER NO.
RRV2366

VSX-D939TX

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

Type Model Power Requirement The voltage can be converted by
VSX-D939TX the followmg method.
HL 0 AC220-230V A0240V, *
LB 0 AC110V

>l< :Alter the wiring of the Powersupply block at the primary winding of Powerelransfurmer referring to the "Line Voltage Selection described
in Service Manual.

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

Model No. Order No. Remarks
VSX-37TX/KU/CA RRV2295
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS -------- 2
2. PCB CONNECTION DIAGRAM 8
3. SCHEMATIC DIAGRAM --------------- -- 10
4 REMOTE CONTROL UNlT ................................. 25

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

PIONEER ELECTRONIC NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
©P|ONEER CORPORATION 2000

T - ZZFi AUG. 2000 Printed in Japan

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VSX-D939TX

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\ 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.
0 Screws adjacent to Y mark on product are used for disassembly.
lReference Nos. indicate the pages and Nos. in the service manual for the base model.
I When ordering resistors, first convert resistance values into code form as shown in the following examples.
EX.1 When there are 2 efiective digits (any digit apartfrom 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).
560 a 56 X 10 4 561
47k » 47X10 - 473

0.5 4 R50 -
1 a 1R0 ---------------- RSIP-®@K
Ex.2 When there are 3 eflective di ts (such as in high prec ion metalfilm re. tors).

5.62k * 562x 10I a 5621 - -RN1/4PC- IF

l CONTRAST TABLE
VSX»D939TX/HL, LB and VSX»37TX/KU/CA are constructed the same except for the following :
Part No.
Ref. No. Mark Symbol and Description VSX-37TX VSX-D939TX VSX-D939TX Remarks
/KU/CA /HL (LB
ASSEMBLIES
NSP MAIN ASSY AWK7641 AWK7647 AWK7646
P5- 5 MAIN CONTROL ASSY AWX7706 AWX7712 AWX7711
P5-12 VIDEO ASSY AWX7394 AWX7677 AWX7677
NSP COMPLEX ASSY AWK7522 AWK7529 AWK7543
P5- 2 EXTERNAL IN ASSY AWX7398 AWX7413 AWX7413
P5- 3 A- PINJACK ASSY AWX7397 AWX7412 AWX7412
P5- 4 CONNECTION ASSY AWX7313 AWX7347 AWX7347
P5- 9 REGULATOR ASSY AWX7310 AWX7832 AWX7832
P5-1O TRANS 1 ASSY AWX7316 AWX7316 Not used
P5-1O TRANS 1/LB ASSY Not used Not used AWX7447
P5-11 TRANS 2-2 ASSY AWX7366 AWX7518 AWX7518
P5-15 PRIMARY ASSY AWX7311 AWX7345 AWX7429
NSP FRONT/VAMP ASSY AWK7656 AWK7661 AWK7661
P5-14 VOLUME ASSY AWX7367 Not used Not used
P9- 2 DISPLAY ASSY AWX7698 AWX7703 AWX7703
P9- 3 ROTARY ENCODER ASSY AWX7328 AWX7726 AWX7726
P- SW ASSY Not used AWX7330 AWX7330 No. 1
NSF POWER/CURRENT ASSY AWK7651 AWK7655 AWK7654
P5- 6 TRANS 2-1 ASSY AWX7694 AWX7696 AWX7696
P5- 8 SP/PS ASSY AWX7688 AWX7693 AWX7692
PACKING SECTION
P3- 2 FM Wire Antenna ADH7007 ADH7010 ADH7011
P3- 3 Operating Instructions (English) ARB7231 ARB7235 ARB7235
P3- 3 Operating Instructions (Chinese) Not used ARC7321 ARC7321
P3- 4 Remote Control Unit AXD7257 AXD7279 AXD7279
P3- 9 Packing Case AHD7881 AHD7889 AHD7889
P3-12 NSP Warranty Card ARY1026 Not used Not used
EXTERIOR SECTION
P5-2O A AC Power Cord ADG7028 VDG1063 ADG7023
P5-21 A Power Transformer (T1) ATS7252 ATS7253 Not used
P5-21 A Power Transformer (T1) (AC110V) Not used Not used ATS7255
P5-22 FM/AM TUNER Unit AXX7046 AXX7048 AXX7047
P5-23 A Fuse (FU1 :T4A) VEK1029 AEK-514 Not used
P5-23 A Fuse (FU1 : 10A) VEK1029 Not used DEK1045
P5-24 A Fuse (FU4 :T2A) REK1079 AEK-511 AEK-511
P5-25 A Fuse (FU5 :T2A) REK1079 AEK-511 AEK-511