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LG EC970W - CIRCUIT DIAGRAMS; Power Circuit Diagram

LG EC970W
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3-30 3-31
CIRCUIT DIAGRAMS
1. Power Circuit Diagram
BD101, R101 are defective.
Power is dead.
F101 is defective.
Power dead.
IC101 is defective.
Switching dead.
D102 is defective.
No power.
D106 is defective.
No 5.3VA and 5.1V.
No 12VA and 12V.
D109, C120 are defective.
IC102, IC103 are defective.
Power dead.
NOTE :
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during TUNER mode.

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