LG HT552TH Service Manual page 11

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