User Guide

6255/6255i/6256/6256i (RM-19)
RF Description and Troubleshooting Nokia Customer Care
Page 30 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
Table 7 shows the values for the test points in Figure 21.
Table 7: RF Power Supply DC Test Points (Main PWB - Bottom Side)
Probe
Point
Description Value
1 VIO 1.8V
2 VrefRF1 1.4V (Tx)
3 VR7 2.8V (Rx)
4 VR6 2.8V (Tx)
5 VR2 2.8V (Tx)
6 VR3 2.8V (Synthesizer)
7 VR5 2.8V (Rx)
8 VR4 2.8V (Rx)
9 VR1A 4.7V (Synthesizer)
10 VR1B 4.7V (Tx)