LG LDT7808 Series Service Manual page 57

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
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Check the
No
fuse or reset
Is the connector connected to Main PCB
the circuit
Assembly disconnected or disassembled?
breaker.
Alternate Is Chip LED on while the power is on?
No
with
explanation.
Reconnect the
Yes
connector or
Is the connector connected to PCB/Noise
repair the harness
filter disconnected or disassembled?
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For Authorized Service Technicians
No
Yes
No
Yes
No
Reconnect the
connector or repair
the harness
Replace the
main PCB
assembly.
Reconnect
or repair the
connector.