Fault Diagnosis And Trouble Shooting; Troubleshooting - LG F1258FDS6 Service Manual

8-2.FAULT DIAGNOSIS AND TROUBLE SHOOTING

CAUTION
1. Be careful of electric shock or disconnecting the parts while trouble shooting.
2. First of all, check the connection of each part terminal with wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, Put in the connectors correctly.
(1)
y ·
· ˜
K
K
½
y

˜
½
K !
Ã
·

· y

y
½
à  !
Ã


y à  ! y
Connector
· y · ˜
K
K
½
y

˜
½
K !
Ã
·

· y

y
½
à  !
Ã


y à  ! y
(2)
NO POWER
When measuring the voltage of the outlet,
is the voltage 110 V a.c?
YES
Is the LED(1) on?
YES
Is the voltage between the 2 FILTER ASSEMBLY
connectors 110 V a.c?
Is connector(2) disconnected or
disassembled?
Is wire of the PWB ASSEMBLY disconnected?
Replace PWB ASSEMBLY
NO
NO
NO
20
NO Check the fuse?
NO
Replace MAIN PWB
ASSEMBLY
Replace the FILTER
YES
ASSEMBLY(CIRC)
Reconnect the PWB
YES
ASSEMBLY
Reconnect the PWB
YES
ASSEMBLY