LG KU950 Service Manual page 83

4. TROUBLE SHOOTING
Check 1. Crystal part
If you already check this crystal part, you can skip check 1.
C162 1000p
TCXO_BT
Test Point (Crystal Part)
VREG_BT_2.85V
C157
1000p
R127
100K
U104
TC7S04FU
TCXO_OUT
C171
TCXO_PM
Schematic of the Crystal Part
- 84 -
TP1
TP3
C158 C159
1000p 0.1u
19.2MHz
VCC GND
4 2
X100
C163
OUT VCONT
1000p 3 1
TG-5001LA-19.2MHz
100p
VREG_TCXO_2.85V
TP2
R128
TRK_LO_ADJ
100ohm
C165
0.01u