LG XH-T3029S Service Manual page 12

3. Front circuit (2/2)
1
Check if the
power part of the
front is ok?
Yes
Check if
R345~R350
ok?
Yes
Refer to
MICOM circuit.
2
Check if the power
part of the front is ok?
Yes
Check if the remote
control waveform of PN3101
pin11 is ok?
No
Check if RM301
voltage is ok(5V)?
Yes
Resolder or
Replace RM301.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
Refer to power(SMPS).
No
Replace R345 ~ R350.
No
Refer to power(SMPS).
Yes
Refer to MICOM circuit.
No
Check RM circuit
2-3 LGE Internal Use Only