User Guide

Nokia Customer Care RF Description and Troubleshooting
6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 45
Receiver IF Test Points
Figure 37: Receiver IF test points on the bottom side of the main PWB
Table 11 includes the descriptions and values for Rx IF test points from Figure 37.
5 PCS channel 600 (to RF SAW) High gain: 1960MHz at -32dBm
Low gain: 1960MHz at -49dBm
6 IF MIX OUT (from N7160) High gain: 128.1MHz at -21dBm
Low gain: 128.1MHz at -34dBm
7 IFA_IN (to N7160) High gain: 128.1MHz at -18dBm
Low gain: 128.1MHz at -34dBm
Table 11: Receiver IF Test Point Values
Test
Point
Description Value
1 Rx VHF LO 256.2MHz at -70dBm
2 CDMA IF (to SAW) 128.1MHz High gain: Cell channel 384 at -9dBm
Low gain: Cell channel 384 at -25dBm
High gain: PCS channel 600 at -8dBm
Low gain: PCS channel 600 at -24dBm
Table 10: Receiver RF Test Point Values (Continued)
Test
Point
Description Value
1
2
4
3
5
6
7