Pioneer xra 670 gr service manual

Page 1

Service
Manual

STEREO CD CASSETTE DECK RECEIVER

XR-A670G R

XR-A37OG R

Pioneer

ORDER NO.
RRV2222

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

Type Model Power Requirement The voltage can be converted by
XR-A67OGR XR-A37OGR the tollowmg method.

DBDXJ O - AC110-127V/220-230V/240V With the voltage selector

KUCXJ - O A0120v

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

Model No. Order No. Remarks
XR-A670/KUCXJ RRV2188
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS -------- 2
2- SCHEMATIC DIAGRAM ....................................... 6
3- MUSIC PAD ....................................................... 12

PIONEER 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

© PIONEER CORPORATION 1999

T -ZZK OCT. 1999 Printed in Japan

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XR-A67OGR, XR-A37OGR

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 A 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.
I Screws adjacent to V mark on product are used for disassembly.
.Reference 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 eflective 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 a 561
47k * 47X10 -- 473
0.5 4 R50
1 * 1R0
Ex.2 When there are 3 effective di ts (such as in high prec ion metalfilm re.
5.62k * 562x10 a 5621 --------- -

- RSIP-EEK

tors ).
----- RN1/4PC IF

l CONTRAST TABLE
XR»A37OGR/KUCXJ and XR»A370/KUCXJ are constructed the same except for the following :
Part No.
Ref. No. Mark Symbol and Description XR-A37D XR-A37OGR Remarks
lKUCXJ /KUCXJ

PCB ASSEMBLIES
MAIN ASSY XWM3097 XWM3104

P6- 1 I- AF ASSY XWZ3196 XW23203
COMPLEX ASSY XWM3108 XWM3117

P9- 1 L DISPLAY ASSY XWZ3209 XWZ3218
PACKING SECTION

P4-10 Packing Case XH D3082 XHD3109
Operating Instructions Not used XRE3027
(English/Arabian/Russian/Chinese/Spanish/French)
Cord with Mini Plug Not used XDE3025 Accessories
CAP Sheet Not used XHG3006 For Packing
Packing Sheet Not used XHG3007 For Packing
MUSIC PAD Not used XXD3021 Accessories *1

NSP Dry Cell Battery (RGP, AA) (For MUSIC PAD) Not used VEM-013 For MUSIC PAD

Polyethylene Bag (0.03 X 230 x 340) Not used 221-038 For Packing
EXTERIOR SECTION

P6-35 NSP Fuse Card AAX7097 AAX7098

NSP Name Label Not used XAL302B *2

Mic Knob Not used XAB3007 No.1
FRONT PANEL SECTION

P9-17 Display Panel XAK3108 XAK3111

P9-3O Sub Panel XAK3080 XAK3104
Earth Plate A Not used XNG3018 No.2

Notes : OThe numbers in the remarks column correspond to the numbers on the EXPLODED VIEWS .
o For PCB ASSEMBLIES, Refer to CONTRAST OF PCB ASSEMBLIES" and 2. SCHEMATIC DIAGRAM.
*1 : Refer to 3. MUSIC PAD.
*2 : Stick Name Label on Rear Panel.

l EXPLODED VIEWS
C FRONT PANEL SECTION C EXTERIOR SECTION
I, __ s
2 ('11 BPI§3\III)P080FMC

FRONT PANEL

MECHANISM UNIT