LG EAX32011201 Schematic

No Power
D105~D108 are Defective

12V No Power
Q123 is Defective

5V No Power
Q126 is Defective

Switching Error
IC102, IC103 are Defective

No Power
FR101 is Defective

Switching Error
IC101 is Defective

3.3V No Power
Q121 is Defective

CIRCUIT DIAGRAMS

1. POWER (SMPS) CIRCUIT DIAGRAM

IMPORTANT SAFETY NOTE :

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

FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM
MAY OCCASIONALLY DIFFER FROM THE ACTUAL
CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE
LATEST SAFETY AND PERFORMANCE
IMPROVEMENT CHANGES INTO THE SET IS NOT
DELAYED UNTIL THE NEW SERVICE LITERATURE IS
PRINTED.

1. Shaded( ) parts are critical for safety. Replace only
with specified part number.

2. Voltages are DC-measured with a digital voltmeter
during Play mode.

3-31 3-32