Pioneer vsxd 912 k service manual

Page 1

Pioneer sound. vision. soul

Service
Manual

RRV2750

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-D91 2-K
VSX-D91 2-3

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

. The volta e can be converted b
Model Type Power Requirement 9- y
the followmg method.
VSX-D912-K FXJI AC110V/120-127V/220V/240V With the voltage selector
VSX-D912-S FXJI AC110V/120-127V/220V/240V With the voltage selector

o This service manual should be used together with the following manual(s):
Model No. Order No. Remarks

VSX-D912-S/MYXJIEW RRV2745

0 For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.

CONTENTS

1. CONTRAST OF MISCELLANEOUS PARTS -------- 2
2- SCHEMATIC DIAGRAM ....................................... 6
3- PCB CONNECTION DIAGRAM ............................ 8

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, USA.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

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

©P|ONEER CORPORATION 2003
T - ZZK MAY 2003 Printed in Japan

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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.

I Reference Nos. indicate the pages and Nos. in the service manual for the base model.
0 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.)

0 When ordering resistors, first convert resistance values into codeform as shown in thefollowing examples.

and K=10% )1

56051 a 56><10I -) 561.
47k§2 -> 47x10j -) 473.

0.5 9 -> R50

1 9 -> 1R0 .........................................
Ex.2 When there are 3 efiective digits (such as in high precision metalfilm resistors).

. E
Rs1P-®@K

ELI When there are 2 eflective digits (any digit apartfrom 0). such as 560 ohm and 47k ohm (tolerance is shown by J=5%,

5.62kQ -> 562x 10I -> 5621 RN1/4PCEEIF
I CONTRAST TABLE
VSX-DQ12-K/FXJI, VSX-DQ12-S/FXJI and VSX-D912-S/MYXJIEW are constructed the same except for the following :
Part No.
Ref. No. Mark Symbol and Description VSX-D912-S VSX-D912-K VSX-DQtZ-S Remarks
IMYXJIEW IFXJI IFXJI
PCB ASSEMBLIES
P9- 1 MAIN ASSY XWK3101 XWK3104 XWK3104
NSP AMP&PS ASSY XWK3086 XWK3087 XWK3087
P9- 3 AMP&PR|MARY ASSY XWZ367O XW23671 XWZ3671
P9- 8 TRANS 1 ASSY XWZ3681 Not used Not used
VOLTAGE SELECT SW ASSY Not used XW23689 XWZ3689 No. 1
NSF COMPLEX ASSY XWK3081 XWK3080 XWK3080
P9- 9 VIDEO ASSY XWZ3647 XW23646 XWZ3646
P9- 1 1 BOARD TO BOARD ASSY XWZ3665 XW23664 XWZ3664
COMPONENT ASSY Not used XW23661 XWZ3661 No. 2
P9-17 FM/AM TUNER MODULE AXQ7232 XXQ3003 XX03003
PACKING SECTION
P7- 2 NSF Warranty Card ARY7065 Not used Not used
P7- 5 Operating Instructions (English/Italian) XFIE3070 Not used Not used
P7» 5 Operating Instructions Not used XRE3071 XFIE3071
(English/Chinese/Spanish)
P7- 6 Remote Control Unit XXD3054 XXD3053 XXD3053
P7-12 Packing Case XHD3334 XHD3345 XHD3346
P7-16 Operating Instructions (Dutch/Spanish) XR03081 Not used Not used
P7-17 Operating Instructions (French/German) XR03082 Not used Not used
Caution 220V Label Not used AFIFI1003 ARFI1003
A AC Power Cord Not used ADG7062 ADG7062 Accessories
AC Power Cord Not used XDG3014 ADG7076 Accessories
J Shape Plug Not used AKX7008 AKX7008 Accessories
A AC Plug Adapter Not used AKX7011 Not used Accessories
EXTERIOR SECTION
P9-20 A Power Transformer (A0220-230V) XT83063 Not used Not used
P9-20 A Power Transformer Not used XTS3049 XTS3049
(AC110V/120-127V/220V/230V)
P9-18 A Fuse (FU1 :T3.15A) REK1027 Not used Not used
P9-18 A Fuse (FU1 :T6.3A) Not used REK1030 REK1030
P9-21 A AC Power Cord VDG1080 Not used Not used
P9-22 Cord Stopper CM-22B Not used Not used
P9-44 Rear Panel XNC3196 XNCSZOO XNCS2OO
P9-45 Bonnet XZN3127 XZN3126 XZN3127
P9-50 NSP N Label XAL3173 XAL3174 XAL3170
2
VSX-DQ12-K
I 2 I 3 I 4