Receiver Logic Input Voltages - Nokia 6015 Troubleshooting - Rf

6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Troubleshooting - RF

Receiver Logic Input Voltages

Following are the measure logic levels for the RX front end (N750). See Figure 22 on
page 29 for the manual selection of logic states using Phoenix.
Table 7 includes the logic level values for the RX front end.
Mode
Cell CDMA High Gain
Cell CDMA Low Gain
PCS CDMA High Gain
PCS CDMA Low Gain
AMPS High Gain
AMPS Low Gain
If the logic levels are significantly off (+/- 0.2 V), replace Alfred (N750) and re-measure.
If the voltages are still out of specifications, refer to the Baseband Troubleshooting
chapter.
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Table 7: RX Front-end (N750) Logic Levels
IF_SEL
0 V
0 V
0 V
0 V
2.76 V
2.76 V
©2004 Nokia Corporation
Logic Input Voltages
BAND GAIN_CTL
0.1 V 2.75 V
0.1 V 0 V
2.68 V 2.75 V
2.68 V 0 V
0.1 V 2.76 V
0.1 V 0 V
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Issue 1 08/2004