Tx Rf Test Points - Bottom Side - Nokia 3155 Rf Description And Troubleshooting

3155/3155i (RM-41), 3152 (RM-61)
RF Description and Troubleshooting
Table 4: Tx DC Test Point Description and Values - Main PWB - Bottom Side (Continued)

Tx RF Test Points - Bottom Side

Figure 18 shows the Tx RF test points located on the bottom side of the main PWB.
1
Figure 18: Tx RF test points on the bottom side of the main PWB
Table 5 shows the values for the test points in
frequency of 1880MHz and an AMPS/Cell frequency of 836.25MHz.
Table 5: Tx RF Test Point Descriptions and Values - Main PWB - Bottom Side
Test
Point
1
2
Page 24
Test
Description
Point
7 AGC1
8 VR6
9 VR2
10 VR1B
2
6
5 4
Description
Cell PA out
PCS PA out
©2005 Nokia Corporation
Values
0.1V to 1.8V
2.8V
2.8V
4.8V
Figure 18. These values are based on a PCS
Values
-14dBm
-23dBm
Company Confidential
3
ISSUE 1 07/2005