LG -D722V Service Manual page 51

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Check TP1 Signal exist?
Check TP2 Signal exist ?
Check TP3 Signal exist?
Check TP4/5 Signal exist?
LGE Internal Use Only
START
Yes
Yes
Yes
Yes
Check next step
No
Check FL1100 Soldering
No
Check FL10062 Soldering
No
Check FL1201 Soldering
No
Check TP4/5 Signal exist?
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3. TROUBLE SHOOTING
Only for training and service purposes

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