LG D686 Service Manual page 126

START
Check for whether TP1 is 0 V
Check TP2 Is it right?
Check TP3 right?
Entire PCB looks being damaged
LGE Internal Use Only
Yes
No
Yes
No
Yes
No
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3. TROUBLE SHOOTING
Replace U608
Replace LD601
Check TP4 right?
No
Replace U605
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Only for training and service purposes
Yes