Nokia Mobile Phones NSE-5 Series Service Manual page 264

NSE–5
Troubleshooting
Vdc = 1.4 Volt
Vac = app. 1 Vpp, 13
MHz
Oscilloscope
VCTCXO G701 VCC–
pin
Vdc = 2.8 Volt
Check BaseBand
Page 38
No
No
No
Oscilloscope
SUMMA N700 pin 41
SUMMA N700 pin 13,
22
SUMMA N700 pin 9,
16, 19
UHF VCO G700
VCC–pin
Use WinTesla to se-
lect RX Burst Mode
Oscilloscope
SUMMA N700 pin 5
SUMMA N700 pin 6
SUMMA N700 pin 7
Technical Documentation
Yes Pulse–shaper
D700
Check
Yes VCTCXO G701
VREF Vdc = 1.5 Volt
VCP Vdc > 4.0 Volt
VSYN_2 Vdc = 2.8 Volt
VSYN_2 Vdc = 2.7 Volt
Yes No
Check
BaseBand
= Synthesizer clock
= Synthesizer data
= Synthesizer enable
Yes No
Check
BaseBand
PAMS
Issue 1 07/99