Nokia 2125 Troubleshooting Manual page 43

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Figure 33 shows the Tx UHF LO test points.
Table 13 gives the description and values for the test points as shown in
Test
Description
Point
1 VCC_VCO
2 Lock voltage
3 Measure frequency by probing
the top of the chip
4 VR6
ISSUE 1 08/2005
2
1
Figure 33: Tx UHF LO (N7000) test points
Table 13: Tx UHF LO Test Points
©2005 Nokia Corporation
2125/2125i/2126/2126i/2128i (RH-71)
RF Description and Troubleshooting
4
3
Value
2.3 V
DC between 1.2 and 1.8 V
PCS: 3760 MHz (channel 600) -54 dBm
Cell: 3346.08 MHz (channel 384) -57 dBm
2.8 V
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Figure 33.
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