LG HT303PD Service Manual page 11

2. Front circuit (1/2)
POWER ON.
YES
Red LED turn off?
YES
Is the Digitron on
correctly?
YES
Check if all
buttons are ok?
YES
Check if the remote
control is ok?
YES
Front B/D ok.
LGE Internal Use Only
NO
Check if
PN103 is ok?
NO
Check if the front
power is ok?
1
NO
Check if
2
RC2 is ok?
2-2
NO
YES
NO
YES
NO
Check pattern and resoldering
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Reconnect it.
Refer to SMPS part.
Only for training and service purposes