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Standard schematic diagrams
Power (SMPS) section
5
No Power
D105~D108 are Defective
4
Switching Error
IC101 is Defective
3
2
1
A
No Power
FR101 is Defective
B
C
IMPORTANT SAFETY
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN
BE MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE JVC. ALL COMPONENTS SHOULD BE
REPLACED ONLY WITH TYPES IDENTICAL TO
THOSE IN THE ORIGINAL CIRCUIT. SPECIAL
COMPONENTS ARE SHADED ON THE SCHEMATIC
5V No Power
Q126 is Defective
Switching Error
IC102, IC103 are Defective
D
E
2-7
2-8
NOTE :
FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM
1. Shaded( ) parts are critical for safety. Replace only
MAY OCCASIONALLY DIFFER FROM THE ACTUAL
with specified part number.
CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE
2. Voltages are DC-measured with a digital voltmeter
LATEST
SAFETY
AND
PERFORMANCE
during Play mode.
IMPROVEMENT CHANGES INTO THE SET IS NOT
DELAYED UNTIL THE NEW SERVICE LITERATURE IS
PRINTED.
12V No Power
Q123 is Defective
3.3V No Power
Q121 is Defective
F
SHEET 1
G
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