Nokia 2125 Troubleshooting Manual page 12

2125/2125i/2126/2126i/2128i (RH-71)
RF Description and Troubleshooting
Table 3 shows the test points shown in
Test Point
1
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Page 12
Table 3: Tx RF Test Points
Description
Tx IQ in with oscilloscope
Tx UHF LO
Cell/AMPS N7000 out
PCS N7000 out
PCS PA in
Cell/AMPS PA in
Cell/AMPS PA out
PCS PA out
Power detector in
PCS coupler out
Cell/AMPS coupler out
Diplexer out
©2005 Nokia Corporation
Figure 7.
Value
500 mV p-p with +1.2 V offset
Cell: 3346.08 MHz, -57 dBm
PCS: 3760 MHz, -54 dBm
Cell: 836.25 MHz, -15 dBm
AMPS: 836.25 MHz, dBm
1880 MHz, -22 dBm
-23 dBm
Cell: -15 dBm
AMPS: -7 dBm
Cell: +11 dBm
AMPS: +22 dBm
-2 dBm
Cell: -8 dBm
AMPS: +3 dBm
PCS: -17 dBm
-1 dBm
Cell: +8 dBm
AMPS: +18 dBm
Cell: +10 dBm
AMPS: +19 dBm
PCS: -17 dBm
Company Confidential ISSUE 1 08/2005