LG D722K Service Manual page 82

Signal is over 3dBm?
LGE Internal Use Only
START
Check TP1
TP1 signal is exist?
Yes
Check TP2
TP2 signal is exist?
Yes
Check TP3
TP3 signal is exist?
Yes
Check TP4
TP4 signal is exist?
Yes
Check TP5
TP5 is over 21dBm?
Yes
Check TP6
Yes
Check next step
No
Check FL1100 Soldering
No
Check FL10062 Soldering
No
Check FL1102 Soldering
No
Check FL1800 Soldering
No
Check U1800 Soldering
No
Check U1500 Soldering
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3. TROUBLE SHOOTING
Only for training and service purposes