LG LG-H815 - WCDMA Part Troubleshooting

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3. TROUBLE SHOOTING
Checking Rx signal path(B1/B2/B5/B8)
3.6.1 WCDMA PART
Checking Flow Image
TP4
TP2
TP1
TP3
Check TP1/2/3/4
Signal exist?
START
Check next step
Check U1201
YES
NO
Check Transceiver
physical damage
or soldering condition
Replace U1500
NO
OK?
U1500
20