Only For Training And Service Purposes - LG GT810h Service Manual

4. TROUBLE SHOOTING
Check TP1
VCC of TCXO
VCC ≥ 2.8 V
Yes
Check TP2
2.4V ≥ Voltage ≥ 0.4V
Yes
Check TP3
19.2 MHz Signal
Yes
TCXO is OK
LGE Internal Use Only
No
Check the PM7540
Check PM6658
No
Check the MSM7201
Che ck MSM6280
No
Check soldering and
components
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Only for training and service purposes