User Guide

Nokia Customer Care Troubleshooting

Company Confidential RH-21

Issue 2 07/2004  2004 Nokia Corporation. Page 33

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.

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.