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PAMS Technical Documentation
Disassembly & Troubleshooting
NSB-7
Issue 1 06/00
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Nokia Mobile Phones Ltd.
Page 35
VCTCXO
DC levels
RF levels
Other checking points
SCLK
R205
SENA
R206
SDATA
J237
Point :
Signal:
Component:
Comment:
VXO1
Vtcxo
G830
VCTCXO operating voltage from CCONT DC 2.8 V
VXO2
AFC
R832 / G830
AFC from COBBA to VCTCXO DC 0.046...2.254 V
Point:
Signal:
Component:
Comment:
Picture:
VXO3
26 MHz
G830 / R833
Clock signal from VCTCXO to Hagar
10
VXO4
13 MHz
V800 / R834
RFC from Hagar to MAD
10