4. TROUBLE SHOOTING
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4.3 Checking TCXO Block
The output frequency (19.2MHz) of TCXO (X2000) is used as the reference one of RTR6285 and PM8029 internal VCO.
Schematic of the Crystal Part (19.2MHz)
19.2MHz
1XXA19200FBB
X2000
3
2
4
1
VCONT
VCC
GND
OUT
1n
C2017
C2009
10n
1n
C2005
R2003
100
0.1u
C2006
TCXO_RTR_19.2MHZ
TCXO_PM_19.2MHZ
VREG_TCXO_2.85V
TRK_LO_ADJ
Clesed to TCXO
TCXO Circuit
Rev.D update
TP1
TP2
TP3
TP2
TP1
TP3