Read LG 41722 Service Manual online
33
BUTTON DOESN’T WORK
Check the connectors at the
main PCB and the line filter.
Are the connectors loose or
disconnected?
main PCB and the line filter.
Are the connectors loose or
disconnected?
Reconnect or
Repair
the connector
Repair
the connector
Yes
Check the connectors
between the main PCB and
the display PCB. Are the
connectors loose or
disconnected?
between the main PCB and
the display PCB. Are the
connectors loose or
disconnected?
Replace the main PCB.
Replace the
main PCB.
main PCB.
Yes
No
No
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