LG HT502PH Service Manual page 12

3. FRONT CIRCUIT (2/2)
1
Check if the power part of the front is ok?
Check if R345~R350, R150 ok?
Refer to micom circuit.
2
Check if the power part of the front is ok?
Check if the remote controller waveform of
the PN301 pin11 is ok?
Check if the RC2 voltage is ok(5V)?
Resoldering or replace RC2.
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YES
YES
YES
YES
YES YES
YES
YES
NO
NO
Replace R345 ~ R350, R154.
NO
NO
NO
2-3
Refer to power(SMPS).
Refer to power(SMPS).
Refer to micom circuit.
Check rm circuit
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