LG LSEL6335F Service Manual page 83

CHECKING FLOW CHART BY FAILURE
Instaview not operation.
Check the connection states between Knob
lighting PCB and Main PCB(CN19). Is it ok?
Normal?
Yes
Check the DC Input of Knock on PCB and DC output of
Main PCB.
PCB
CN06(Main)
Insta view PCB
Normal?
Change Instaview PCB.
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Only training and service purposes
No
Pin Vo. Voltage
3(BL)-26(YL) 5V
1(YL)-2(BL) 5V
No
Reconnect or adjust the
connection.
Change main PCB
10-22