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4. TROUBLE SHOOTING
3V Voltage 0V
19.2MHz Signal
Check other part
LGE Internal Use Only
Check TP1
VCC of VCXO
≥
VCC
2.8V
Yes
Check TP2
TRK_LO_ADJ
≥
≥
Yes
Check TP3
With Oscilloscope
Yes
VCXO is OK
No
Check PMIC
No
Check MSM
No
Check soldering
and components
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Only for training and service purposes
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