Receiver Rf Test Points - Nokia 3155 Rf Description And Troubleshooting

3155/3155i (RM-41), 3152 (RM-61)
RF Description and Troubleshooting

Receiver RF Test Points

Figure 34: Rx RF test points on the bottom side of the main PWB
Table 9 includes the descriptions and values for the Rx RF test points from
Test
Point
1
2
3
4
5
6
7
Page 40
Table 9: Receiver RF Test Point Values
Description
PCS_CEL_LO (from VCO)
Cell channel 384 (from duplexer)
Cell channel 384 (to RF SAW)
PCS channel 600 (from duplexer)
PCS channel 600 (to RF SAW)
IF MIX OUT (from N7160)
IFA_IN (to N7160)
©2005 Nokia Corporation
1
7
Value
Cell: 1009.62MHz at -15dBm
PCS: 2088.1MHz at -17dBm
881.52MHz at -33dBm
High gain: 881.52MHz at -21dBm
Low gain: 881.52MHz at -36dBm
1960MHz at -46dBm
High gain: 1960MHz at -32dBm
Low gain: 1960MHz at -49dBm
High gain: 128.1MHz at -21dBm
Low gain: 128.1MHz at -34dBm
High gain: 128.1MHz at -18dBm
Low gain: 128.1MHz at -34dBm
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3
2
4
5
Figure 34.
ISSUE 1 07/2005