System Clock - Nokia NSB-7 Series Service Manual

NSB-7
Disassembly & Troubleshooting

System Clock

Check the signal from the C213
Layout picture B signal RFC,
should be like in SYSTEM
CLOCK picture.
Check the signal from the RF side
buffer input C829. If there is signal,
check the R829, R834, R830, V800,
C834 and L800.
Check the signal from the RF side
oscillator VCXO G830 output from
C833. There should be 26MHz
signal.
Change the VCXO
G830
Page 24
IF NOT
IF THERE ISN'T
IF THERE ISN'T
Figure 24: System clock picture.
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
IF IS
Change the HAGAR
N505
Issue 1 06/00