Nokia 5510 - Menu Functions

PAMS Technical Documentation RF Troubleshooting
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Apply -80dBm
1842.867MHz signal
from generator to
antenna connector
Oscilloscope at RXI
Signal 1.5Vpp
DC offset 1,1V
Frequency 67,7kHz
EGSM chain functional
Oscilloscope
VRX 2.7V
Check Hagar serial
interface
Yes
Yes
Yes
Spectrumanalyzer
V500, RFout
-72dBm
No No
Spectrumanalyzer
1st Dual RX SAW
In2
-92dBm
PCN_RX
-91.5dBm
No
Spectrumanalyzer
T500, unbal
-79.5dBm
Check
C519,L521, Z500
No
Yes
Check Hagar
N500
Yes
Check BBNo
Oscilloscope
LNAB_G 2.4-2.8V
LNA_P 0V
Yes
Check RX/TX
Switch
Z502
No
Check Z500
Yes
PCN Fault tree
No
Oscilloscope
V500, RFout 2.1-2.2V
V500, RFin 0.8-0.9V
Yes
Oscilloscope
VRX 2.7V
Check Hagar serial interface
Check Hagar
N500
Yes
Check BaseBandNo
Check
R503, L502,
V500, C519,
C521, C523,
C525, L505, C510
No
Check
V500
Yes
Change generator
level to -55dBm
Yes