Pioneer XRA-4900 Service manual

5 (1)
STEREO CD CASSETTE DECK RECEIVER
XR-A4900
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
MYXJ AC220-230V NVXJ AC230V
This service manual should be used together with the following manual(s):
Model
XR-A4900
Power Requirement Remarks
ORDER NO.
RRV2500
XR-A4800/MYXJ
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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
RRV2328
T – ZZK JULY 2001 Printed in Japan
XR-A4900
2. CONTRAST OF MISCELLANEOUS PARTS
NOTES:
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. 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. Reference Nos. indicate the pages and Nos. in the service manual for the base model.
When ordering resistors, first convert resistance values into code form as shown in the following examples. Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%, and K=10%).
560 47k
0.5 1
56 x 10 47 x 103 R50 1R0
1
561 473
RD1/4PU J RD1/4PU J RN2H K RS1P K
561 473
R50
1R0
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
5.62k RN1/4PC F562 x 10
CONTRAST T ABLE
1
5621
5621
XR-A4900/MYXJ, NVXJ and XR-A4800/MYXJ are constructed the same except for the following :
Part No.
Ref. No. Mark Symbol and Description XR-A4800 XR-A4900 XR-A4900 Remarks
/MYXJ /MYXJ /NVXJ
PCB ASSEMBLIES
P7- 1 DISPLAY ASSY XWZ3298 AWU7793 AWU7793
P3- 1 Power Cord ADG1154 ADG1154 ADG1156 P3- 8 Front Pad XHA3018 XHA3028 XHA3028
P3- 9 Rear Pad XHA3019 XHA3029 XHA3029 P3-10 Packing Case XHD3142 XHD3261 XHD3261 P3-13 Operating Instructions (English/French) XRE3030 XRE3047 XRE3047
COMPLEX ASSY XWM3158 AWM7609 AWM7609
PACKING SECTION
P3-14 Operating Instructions (Italian/Dutch/German) XRC3020 XRC3043 Not used P3-15 Operating Instructions XRC3021 XRC3044 Not used
P3-16 NSP Polyethylene Bag Not used Not used AHG7033
P5-15 Rear Panel XNC3053 XNC3118 XNC3118 P5-26 Tray Cap XAK3156 XAK3236 XAK3236
P5-30 Caution Label HE PRW1233 PRW1233 PRW1018 P5-31 Caution Label VRW1094 VRW1094 Not used
P5-36 NSP Getter XAX3163 XAX3260 XAX3260 P5-44 Barrier XEC3013 XEC3027 XEC3027
P7-18 Volume Knob XAA3013 XAA3022 XAA3022 P7-21 FUNC Button L XAD3076 XAD3116 XAD3116 No.8
P7-22 FUNC Button R XAD3077 XAD3117 XAD3117 No.10
P7-23 FUNC Frame L XAD3052 Not used Not used P7-24 FUNC Frame R XAD3053 Not used Not used P7-25 CD ENT Button XAD3055 XAD3109 XAD3109 No.12 P7-26 Display Panel XAK3215 XAK3260 XAK3260 P7-27 EQ Panel XAK3149 Not used Not used
(Portuguese/Swedish/Spanish) Caution Sheet XRH3004 Not used Not used
EXTERIOR SECTION
Tray Panel CD Not used XAK3269 XAK3269 For Tray Cap
NSP Name Label Not used Not used XAL3093 *1
Rear Sheet AED7037 Not used Not used
FRONT PANEL SECTION
FUNC Cap L Not used XAK3247 XAK3247 No.7 FUNC Cap R Not used XAK3248 XAK3248 No.9
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