LG T8526AFPT - Page 49

48
4-8-1 TROUBLESHOOTING ELSE
1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
Is three pin wire of
display PWB broken?
Replace the
DISPLAY
PWB
ASSEMBLY
Check the
fuse or reset
the circuit
breaker
NO POWER
Is the supplied voltage
120V AC?(+10%, -15%)
Yes
No
No
No
Yes
Yes
No
Yes
No
Display PWB
Connecting connector
MAIN PWB~ Display PWB
Is the current rating of
multi-outlet
power strip enough?
(Avoid connecting several
electric devices )
Alternate with
explanation
Is the connector connected
to PCB/Noise filter
disconnected or
disassembled?
Reconnect
or repair
the
connector
Replace the
MAIN PWB
ASSEMBLY
Is LED on while the power
is on?
CAUTION