LG HT356SD Service Manual page 12

3. Front circuit (2/2)
1
Check if the
power part of the
front is ok?
Check if
R346~R349, R352, R370
ok?
Refer to MICOM circuit.
2
Check if the
power part of the front
is ok?
Check if the remote
control waveform of PN301
pin5 is ok?
Check if RC301
voltage is ok(3.3V)?
Resolder or Replace RC301.
YES
YES
YES
YES
YES
NO
Refer to power(SMPS).
NO
Replace R346~R349, R352, R370.
NO
Refer to power(SMPS).
NO
Refer to MICOM circuit.
NO
2-3
Check RM circuit