LG HT953TV Service Manual page 12

3. Front circuit (2/2)
1
Check if the
power part of the
front is ok?
Check if CN2A1(Pin1~Pin9)
is ok?
Refer to MICOM circuit.
2
Check if the power
part of the front is ok?
Check if the remote
control waveform of CN2A1
Pin5 is ok?
Check if RM2A1
voltage is ok(5V)?
Resolder or Replace RM2A1
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Only for training and service purposes
YES
YES
YES
YES
YES
NO
Refer to power(SMPS).
NO
Refer to POWER(SMPS) or MICOM circuit.
NO
Refer to power(SMPS).
NO
Refer to MICOM circuit.
NO
Refer to RCU circuit.
2-3 LGE Internal Use Only