LG -E435 Service Manual page 37

LGE Internal Use Only
Check TP1
VCC of TCXO
VCC ≥ 2.8V
Yes
Check TP2
2.4V ≥ Voltage ≥ 0.4V
Yes
Check TP3
19.2 MHz Signal
Yes
TCXO is OK
No
Check PM8029
No
Check MSM7225A
No
Check soldering and
components
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4. TROUBLE SHOOTING
Only for training and service purposes