User Guide

6255/6255i/6256/6256i (RM-19)
RF Description and Troubleshooting Nokia Customer Care
Page 26 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
Table 4 shows the values for the test points in Figure 18.
*Vbatt also appears at the outputs of the PAs.
Tx DC and RF Test Points - Top Side
Following are the Tx DC and RF test points located on the top side of the main PWB.
Figure 19: Tx DC and RF test points on the top side of the main PWB
Table 4: Tx DC Test Point Description and Values - Main PWB - Bottom Side
Test
Point
Description Values
1 Tx UHF LO Lock voltage: ~1.2V
2VR6 2.8V
3 Vbatt Cell*
4 Vbatt PCS*
5VR1B 4.8V
6AGC1 0.1V to 1.8V
7AGC2 0.1V to 1.8V
8VR6 2.8V
9VR2 2.8V
10 VR1B 4.8V
2
3
6
5
1
4