RM-384
RF Troubleshooting
Issue1 Company Confidential Page 4-17
Copyright © 2008 Nokia. All rights reserved.
Receiver DC and RF Test Point
Figure 43
RF RX voltage checking test point
Receiver RF Test Points
(Input power setting -25dBm that Open RF Toolkit in L3 program and follow Figure 42 steps )
Test Point
Description
Value
Check
component
7
Diplexer In
Max Atten 3dB(Cell)
RF connector
8
Diplexer output
Max Atten 3dB(Cell)
DPX101
9
Duplexer output
Max Atten 7dB(Cell)
DPX102
10
LNA output
Gain 5~15dB(Cell)
U205
11
SAW output
Max Atten 7dB(Cell)
F202
Table 23 Cell band Rx RF troubleshooting test points Shown in Figure 43.
Test Point
Description
Value
Check
component
7
Diplexer In
Max Atten 3dB(PCS)
RF connector
12
Diplexer output
Max Atten 3dB(PCS)
DPX101
13
Duplexer output
Max Atten 7dB(PCS)
DPX103
14
LNA output
Gain 5~15dB(PCS)
U205
15
SAW output
Max Atten 7dB(PCS)
F203
Table 24 PCS band Rx RF troubleshooting test points Shown in Figure 43.
