Checking Tcxo Block - LG -E615 Service Manual

4.3 Checking TCXO Block

The output frequency (19.2MHz) of TCXO (X2001) is used as the reference one of RTR6285A and PM8029 internal VCO.
Clesed to TCXO
CHANGE 11.03.02
TRK_LO_ADJ
CHANGE 1008
GPS DFF was removed.
TP2
LGE Internal Use Only
TP1
TP2
TCXO Circuit
X2001
R2006
1
VC
5
100
TP1
2
C2021
GND
19.2MHZ
10n
Schematic of the Crystal Part (19.2MHz)
TP3
C2008
1n
X1G003581002700
4
change 0819
VCC
6
TP2
C2022
3
OUT
C2023
C2024
- 30 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
TP1
VREG_TCXO_2.85V
C2009
0.1u
330p
TCXO_NFC_19.2MHz
27p
TCXO_PM_19.2MHZ
330p
TCXO_RTR_19.2MHZ
TP3
Only for training and service purposes