Circuit Diagrams; Power (Smps) Circuit Diagram - JVC XV-N350B Service Manual

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
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
Switching Error
IC102, IC103 are Defective
3-31 3-32
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
5V No Power
Q126 is Defective
3.3V No Power
Q121 is Defective