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4.3 Checking TCXO Block
The output frequency (19.2MHz) of TCXO (X1000) is used as the reference one of RTR6285 and
PM6658 internal VCO.
TCXO
R1018
TRK_LO_ADJ
100
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP3
TP2
TP1
X1000
1
4
VCONT
VCC
2
3
GND
OUT
19.2MHz
EXSK0007802
TG-5010LH_19_2M_75A
Schematic of the Oscillator Part (19.2MHz)
- 105 -
4. TROUBLE SHOOTING
TP1
TP2
C1065
C1068
TP3
VREG_TCXO_2.85V
1000p
TCXO_PM
1000p
TCXO_RTR_19.2MHz
LGE Internal Use Only
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