LG CU920 Manual page 91

C
VCC of TCX O
VCC ≥ 2.8V
YES
Check TP2
TRK_LO_ADJ
YES
2V ≥ Voltage ≥ 1V
YES
Check TP3,4,6
With Oscilloscope
2V ≥ Voltage ≥ 1V
YES
CXO is OK
Check other part
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Only for training and service purposes
heck TP1
Fig. 4.5.4 Test Point of the TCXO Block
4. TROUBLE SHOOTING
NO
C heck C715 of PMIC (U701)
NO
Check R208 of MSM (U200)
NO
Check soldering
and components
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