LG -E400f Service Manual page 39

TCXO Circuit
Clesed to TCXO
R204
TRK_LO_ADJ
TP2
LGE Internal Use Only
X200
KT2520F19200DCW28RAK
1
100
VCONTROL
2
C217
NC1
10n
3
GND
19.2MHZ
Schematic of the Crystal Part (19.2MHz)
C206
1n
6
VCC
5
NC2
C218
4
OUT
C219
- 39 - Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VREG_TCXO_2.85V
C207
0.1u
TP1
330p
TCXO_PM_19.2MHZ
330p
TCXO_RTR_19.2MHZ
TP3
Only for training and service purposes