Read LG WD-11120FB Service Manual online
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<PWB ASSEMBLY (MAIN)>
<PWB ASSEMBLY (MAIN)>
(1)
(2)
(5)
(6)
19
8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING
1. Be careful of electric shock or disconnecting the parts while troubleshooting.
2. First of all, check the connection of each part terminal with wiring diagram.
3. If you replace the PWB assembly (Main), put in the connectors correctly.
CAUTION
Check the fuse?
Replace PWB assembly
(Main).
(Main).
Replace PWB assembly
(Main).
(Main).
Reconnect the PWB
assembly (Display).
assembly (Display).
Reconnect the PWB
assembly (Display).
assembly (Display).
When measuring the voltage of the outlet,
is the voltage AC 220-240V?
Is the LED (1) on?
When measuring the voltage of natural
connector (5,6) is the voltage DC 10~16.5V?
Is connector (2) disconnected or
disassembled?
Is wire of the PWB assembly (Display)
disconnected?
Replace PWB assembly (Display)
NO POWER
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