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4. TROUBLE SHOOTING
Check 1. Crystal part
If you already check this crystal part, you can skip check 1.
Test Point (Crystal Part)
TCXO_PM
RTR6250_TCXO
RFR6250_TCXO
VREG_TCXO_2.85V
LGE Internal Use Only
TP3
C559
100p
C562
1000p
C563
1000p
C566
C567
0.1uF
1000p
TP1
Schematic of the Crystal Part
TCXO
19.2MHz
OUT
GND
3
2
100ohm
VCC
VCONT
4
1
X500
C564
0.01u
Copyright © 2007 LG Electronics. Inc. All right reserved.
- 88 -
R525
TRK_LO_ADJ
TP2
Only for training and service purposes
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