LG GR-L28AK Series Service Manual page 41

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Freezer-LED Module Doesn't work
Is the condition of
the freezer door switch
like as below?
Status
Normal
Push the Switch
Yes
Is the connection loose?
CON5
No
Replace
No
Door switch
(Position No :
406B)
A B
Tester
0
Infinity
Reconnect
Yes
CON4
- 41 -
Is the voltage between
pin 1 of CON5 and pin1 of
CON4 like as below?
CON5
Pin1 BL/WH
Voltage of Freezer LED
Door
Test Point
Don't Care
pin1 of CON5 To
pin1 of CON4
Yes
Replace
No
MAIN PWB
(Position No :
500A)
CON4
Pin1 BK
Result
12 V

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