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ORDER NO.
RRV4559
X-EM22
CD RECEIVER SYSTEM
X-EM22
X-EM12
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Serial No. Remarks
X-EM22 SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe
X-EM22 VXE8 AC 220 V to 240 V &&&&######GB GB:U.K
X-EM12 SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe
X-EM12 VXE8 AC 220 V to 240 V &&&&######GB GB:U.K
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
PIONEER ELECTRONICS (USA) 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 2014
K-FZV AUG. 2014 Printed in Japan
1 2 3 4
SAFETY INFORMATION
A
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-
yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
CAUTION
B
D58-5-2-2a_A1_En
LASER DIODE CHARACTERISTICS
C FOR CD : MAXIMUM OUTPUT POWER : 4.5mW
WAVELENGTH : 790 nm
LABEL CHECK
The following caution appears on your unit.
Location: inside of the unit
D
(Printed on the Rear Panel)
E
F
2 X-EM22
1 2 3 4
5 6 7 8
CONTETS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 4
1.1 NOTES ON SOLDERING ............................................................................................................................................... 4 A
1.2 NOTES ON REPLACING THE CD ASSY OR PICK UP................................................................................................. 4
2. SPECIFICATIONS................................................................................................................................................................. 5
2.1 ACCESSORIES .............................................................................................................................................................. 5
2.2 SPECIFICATIONS .......................................................................................................................................................... 5
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 6
3.1 CHECK POINTS AFTER SERVICING ........................................................................................................................... 6
3.2 JIGS LIST ....................................................................................................................................................................... 6
3.3 PCB LOCATIONS ........................................................................................................................................................... 7
4. BLOCK DIAGRAM ................................................................................................................................................................ 8
4.1 OVERALL CONNECTION DIAGRAM............................................................................................................................. 8
4.2 BLOCK DIAGRAM........................................................................................................................................................ 10
5. DIAGNOSIS ........................................................................................................................................................................ 12 B
5.1 TROUBLESHOOTING.................................................................................................................................................. 12
5.2 HOW TO EVALUATE LD DETERIORATION OF PICK UP ........................................................................................... 18
5.3 PROTECTION CIRCUIT............................................................................................................................................... 19
6. DISASSEMBLY ................................................................................................................................................................... 20
7. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 27
7.1 UPDATING OF THE MICROCOMPUTER SOFTWARE............................................................................................... 27
8. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 28
8.1 PACKING SECTION ..................................................................................................................................................... 28
8.2 EXTERIOR SECTION .................................................................................................................................................. 30
9. PCB CONNECTION DIAGRAM .......................................................................................................................................... 32
C
D
E
F
X-EM22 3
5 6 7 8
1 2 3 4
1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING
A