CIRCUIT DIAGRAMS
1. POWER (SMPS) CIRCUIT DIAGRAM
No Power
D105~D108 are Defective
Switching Error |
IC101 is Defective |
No Power |
FR101 is Defective |
IMPORTANT SAFETY |
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NOTE : |
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WHEN SERVICING THIS CHASSIS, UNDER NO |
FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM |
1. |
Shaded( ) parts are critical for safety. Replace only |
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CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN |
MAY OCCASIONALLY DIFFER FROM THE ACTUAL |
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with specified part number. |
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BE MODIFIED OR ALTERED WITHOUT PERMISSION |
CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE |
2. |
Voltages are DC-measured with a digital voltmeter |
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FROM THE JVC. ALL COMPONENTS SHOULD BE |
LATEST |
SAFETY |
AND |
PERFORMANCE |
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during Play mode. |
REPLACED ONLY WITH TYPES IDENTICAL TO |
IMPROVEMENT CHANGES INTO THE SET IS NOT |
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THOSE IN THE ORIGINAL CIRCUIT. SPECIAL |
DELAYED UNTIL THE NEW SERVICE LITERATURE IS |
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COMPONENTS ARE SHADED ON THE SCHEMATIC |
PRINTED. |
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12V No Power
Q123 is Defective
5V No Power
Q126 is Defective
3.3V No Power
Q121 is Defective
Switching Error
IC102, IC103 are Defective
3-31 |
3-32 |
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