3. TROUBLE SHOOTING
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Only for training and service purposes
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3.3 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)
TP1
TP3
TP2
19.2MHZ
X2000
X1G003581002700
VC
VCC
TP1
TP2
GND
OUT
100
R2003
C2005
1n
10n
C2009
C2017
1n
0.1u
C2006
VREG_TCXO_2.85V
TCXO_RTR_19.2MHZ
TCXO_PM_19.2MHZ
TRK_LO_ADJ
TCXO Circuit
Clesed to TCXO
TP2
TP1
TP3