LG XH-T5020X Service Manual page 12

3. FRONT CIRCUIT (2/2)
1
Check if the power part of the front is ok?
Check if R345~R350, R154 ok?
Refer to micom circuit.
2
Check if the power part of the front is ok?
Check if the remote control waveform of
PN301 pin11 is ok?
Check if RC2 voltage is ok(5V)?
Resolder or replace RC2.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
YES
NO
YES
NO
YES
YES
NO
YES YES
NO
YES
NO
YES
Refer to power(SMPS).
Replace R345 ~ R350, R154.
Refer to power(SMPS).
Refer to micom circuit.
2-3
Check rm circuit
LGE Internal Use Only