LG -V909DW Service Manual page 65

4.3.2 Checking TCXO Block
The output frequency (19.2MHz) of XO (X500) is used as the reference clock.
4.3.2 Checking TCXO Block
The output frequency (19.2MHz) of XO (X500) is used as the reference clock.
TP2
TP2
IF the signals of TP1 and TP2 are 19.2MHz, then the XO is ok.
IF the signals of TP1 and TP2 are 19.2MHz, then the XO is ok.
LGE Internal Use Only
TP1
TP1
FIG 6 XO Block
Schematic of the Crystal Part (19.2MHz)
FIG 6 XO Block
Schematic of the Crystal Part (19.2MHz)
X500
19.2MHz
DSX321G-19.2M
EXXY0025101
FIG 7 XO Schematic
FIG 7 XO Schematic
TP1
C522 DNI
C523 DNI
TP2
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4. TROUBLE SHOOTING
Only for training and service purposes