User Guide

Troubleshooting diagram for GSM 1800 receiver

Figure 34 GSM 1800 Receiver troubleshooting

By measuring with an oscilloscope at RXIP or RXQP on a working GSM1800 receiver this picture should be seen.

Signal amplitude 114mVp-p. DC offset 1.0V.

RH-70

Nokia Customer Care RF troubleshooting

Page 2–12 Company Confidential 9243364 (Issue 1, Part 2)