Nokia RH-57 Series Troubleshooting Manual page 21

Nokia Customer Care
Figure 12: RF Main Mode dialog box for Rx IF troubleshooting
5. Click Set.
Note: Be sure that the "RF Main Mode set successfully..." message appears in the status bar.
6. Use a spectrum analyzer to test TP3 (I+,I-, Q+, Q-). Set the S.A to 300KHz center
frequency, 200KHz SPAN, and +10dBm reference level. The spectrum analyzer
should read –8dBm without any settings to the PDM.
7. Use the following CDMA Generator Code Domain Setup table to configure the
CDMA generator code domain.
Table 13 shows the steps for Rx IF troubleshooting. See Figure 13 on page 23 for an
illustration of the corresponding test points.
Step # Part
TP1 L702R
TP2 L701L/R
Issue 1 07/2004
Table 12: CDMA Generator Code Domain Setup
Channel Power
Pilot -7dB
Paging -12dB
Traffic -15.6dB
Sync -16dB
Table 13: Rx IF Troubleshooting
Typical
Value/
Function
Frequency
HP85024A
IF-IN +1.3 dBm/
183.6MHz
SAW Out -16 dBm/
183.6MHz
©2004 Nokia Corporation
Troubleshooting - RF
Walsh Code
0
1
10
32
Typical
Value
Comments
Frequency
Prod Probe
-12/-27 dBm I.F Input to Z701 (I.F filter).
183.6MHz NOT 50 ohm
-35/-50 dBm Differential outputs of Z701.
183.6MHz NOT 50 ohm
Company Confidential
2112 (RH-57)
Page 21