User Guide

Nokia Customer Care Troubleshooting - RF
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Issue 1 - Revision 002 09/2004 ©2004 Nokia Corporation Company Confidential Page 37
Receiver DC
Figure 31: Receiver DC troubleshooting test points and RX front-end logic levels
Table 6 includes the descriptions and values for RX DC troubleshooting test points shown
in Figure 31.
Table 6: Receiver DC Troubleshooting Values
Test
Point
Description Value
1 LO Vdd 2.59 VDC LO Amp Vdd supply lines for Cell and PCS
2 RFA Vdd 2.76 VDC RF Amp Vdd supply line for Cell band
3 C_LNA Vdd 2.76 VDC External Vdd supply line for Cell LNA
4 P_LNA Vdd 2.76 VDC External Vdd supply line for PCS LNA
5 IFA Vdd 2.76 VDC IF Amp Vdd supply line for CDMA and AMPS IFs
6 IFA Vdd 2.76 VDC IF Amp Vdd supply line for CDMA and AMPS IFs
7 RX LO Lock Voltage 1.2 to 1.7 VDC
8 RX LO 256.2 MHz -60 dBm
2
1
5
3
4
Alfred RX FE IC
6
7 8