LG LAS350B - Front Circuit

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ELECTRICAL TROUBLESHOOTING GUIDE
2. FRONT CIRCUIT
Is the Digitron on correctly?
POWER ON.
Refer to SMPS part.
Check if IC301 is ok?
Check pattern and resolderingFront B/D ok.
Refer to SMPS part.
Check power supply circuit.
Reconnect it.
LED DISPLAY
correctly?
Check if the front
power is ok?
Check if all
buttons are ok?
Check if the remote
control is ok?
NO
NO
NO
NO
NO
NO
Check if
CON301 is ok?
YES
YES
YES
YES YES
NO
YES
YES
YES
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