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Service
Manual ORDER NO.
RRV1946
STEREO CD RECEIVER
XC-L7
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type Power Requirement Remarks
XC-L7
KUXJ/CA AC120V
CONTENTS
1. SAFETY INFORMATION ...................................... 2 7. GENERAL INFORMATION ................................ 50
2. EXPLODED VIEWS AND PARTS LIST ................ 3 7.1 PARTS .......................................................... 50
3. SCHEMATIC DIAGRAM ..................................... 10 7.1.1 IC ........................................................... 50
4. PCB CONNECTION DIAGRAM .......................... 26 7.1.2 DISPLAY ................................................ 54
5. PCB PARTS LIST ............................................... 38 7.2 DIAGNOSIS .................................................. 55
6. ADJUSTMENT .................................................... 43 7.2.1 DISASSEMBLY ..................................... 55
7.2.2 PCB LOCATIONS ................................. 58
7.3 BLOCK DIAGRAM ........................................ 59
8. PANEL FACILITIES AND SPECIFICATIONS .... 60
PIONEER ELECTRONIC 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 (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923
C PIONEER ELECTRONIC CORPORATION 1998
T - ZZK APR. 1998 Printed in Japan
XC-L7
1. SAFETY INFORMATION
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.
WARNING
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may
cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact with
the solder. Also, when soldering do not inhale any smoke or fumes produced.
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must
be of identical designation.
REMARQUE
(POUR MOD