RH-21
Troubleshooting
CCS Technical Documentation
Page 32
Nokia Corporation Confidential
Issue 1 05/2003
Is DAC value vs.
PWRDET (mV) OK?
Check UEM
(BaseBand)
Is PWRDET vs.
output power OK?
See chart below.
Check VR2 and
RFTEMP .
Check C930, C931
and PWRDET
module.
N
Y
N
Note !
See PWRDET vs. Output
power curve
Detected voltages are described in the next table and diagram.
TYPICAL DETECTED VOLTAGES AT POWER LEVELS PL2…PL10 FOR DUALBANDER
800A
800D
1900D
Pout TXPWRDET
Pout TXPWRDET
Pout TXPWRDET
PL
dBm
dac
mV
dBm
dac
mV
dBm
dac
mV
2 26.5
633
1671
27.3 696
1839
27.3 662 1746
3 22.5
393
1038
23.3 433
1142
23.3 405 1069
4 18.5
237 625
19.3 261
688
19.3 245 648
5 14.5
141 372
15.3 155
410
15.3 147 387
6 10.5 82 215
11.3 90 237
11.3 84 222
7 6.5 46 120
7.3 50
132
7.3 46 122
8 - - -
3.3
27
70
3.3
24 64
9 - - -
-0.7 13 33
-0.7 11 30
10 - - -
-4.7 5 12
-4.7 5 12
NOTE: DAC VALUES MAY VARY ABOUT +/- 20%
NOTE: TXPWRDET is difference between TX on burst and off burst.
