LG LG-E730 - Checking XO Block

4. TROUBLE SHOOTING
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Only for training and service purposes
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4.3 Checking XO Block
The output frequency (19.2MHz) of XO (X400) is used as the reference one of QTR8200
V7
V8
N1
N5
XO_QTR
RF_ON
PA_R1
PA_R0
FB1005
1000
QTR_RF_ON
QTR_TCXO
TP1