LG LDF5545ST Service Manual page 38

No Power
Is the supplied voltage
120V AC(+10%, -15%)
Yes
Is the current rating of multi-outlet power
strip enough?
(Avoid connecting several electric devices )
Yes
Is the connector connected to Display
PCB Assembly disconnected or
disassembled?
No
Check the
No
fuse or reset
the circuit
breaker.
Alternate
No
with
explanation.
Reconnect the
Yes
connector or
repair the harness
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For Authorized Service Technician
Is the connector connected to Main PCB
Assembly disconnected or disassembled?
Yes
Is Chip LED on while the power is on?
Yes
Is the connector connected to PCB/Noise
filter disconnected or disassembled?
No Reconnect the
connector or repair
the harness
No
Replace the
main PCB
assembly.
Reconnect
No
or repair the
connector.