Nokia N81 - Call Waiting

List of Figures
Figure 28 GSM test..................................................................................................................................................4–6
Figure 29 WCDMA 2100 test ..................................................................................................................................4–6
Figure 30 RF key components - top......................................................................................................................4–7
Figure 31 RF key components - bottom...............................................................................................................4–8
Figure 32 General voltage checking test points............................................................................................... 4–10
Figure 33 WCDMA RX generator settings .......................................................................................................... 4–20
Figure 34 Typical readings ................................................................................................................................. 4–22
Figure 35 Main antenna...................................................................................................................................... 4–25
Figure 36 Phoenix WCDMA TX control window ................................................................................................ 4–27
Figure 37 WCDMA power window ..................................................................................................................... 4–28
Figure 38 Auto tuning concept with CMU200................................................................................................... 4–30
Figure 39 Rf channel filter calibration typical values ...................................................................................... 4–31
Figure 40 Pop-up window for WCDMA2100...................................................................................................... 4–43
Figure 41 Pop-up window for WCDMA2100...................................................................................................... 4–45
Figure 42 High burst measurement .................................................................................................................. 4–49
RM-179; RM-223
RF troubleshooting
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