Read LG WD-K8050TP Service Manual online
18
8-2.FAULT DIAGNOS IS AND TR OUBLE S HOOTING
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.
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.
C AUT ION
NO
NO
YE S
YE S
YE S
NO
NO
YE S
P WB AS S E MB LY
1 2
C heck the fuse
C heck the harness
Assembly.
Assembly.
When measuring the voltage of the outlet,
is the voltage AC 220-240V ?
is the voltage AC 220-240V ?
When measuring the voltage of pin •, •
of the P WB assy, is the voltage AC 220-
240V ?
of the P WB assy, is the voltage AC 220-
240V ?
R eplace P WB assembly.
NO P OWE R
C ancle the
C hild-Lock by
pressing [Temp.] and
[Option] B uttons
simultaneously for 3
seconds.
C hild-Lock by
pressing [Temp.] and
[Option] B uttons
simultaneously for 3
seconds.
Normal
Does the C hild-Lock is set?
F irst, unplug the power cord and plug again.
C heck the buttons are working.
C heck the buttons are working.
Visit to check
AL L B UT TONS AR E L OC K E D E XC E P TOR F OR P OWE R B UT TON
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