LG D690 - Checking XO Block

3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3. 3 Checking XO Block
The output frequency (26MHz) of XO (X4100) is used as the reference one of WTR2605 and PM8226 internal VCO.
LGE Internal Use Only
{vsdWUWX
XWWryXYWZ
RT1
XT2
XT1
RT2
4
3
1
2
XYWW
Y]t
vY]WWWWW[
yG}ylmih{{olytGG[GG
yGh|hkjnukGGY[GG
yGh|hkj{zGG[GG
jXYW^ X
yXUW
TP1
TP2