User Guide

Checking antenna functionality

The main antenna element consist of two antennas; GSM and Bluetooth.

In the GSM antenna there is one Feed and one GND contact.

The contacts of the GSM antenna are separated in the (RDC = 0 ohm) short-circuit.

Figure 51 Main antenna

The antenna is functioning normally when the contacts function (RDC = 0 ohm) and the antenna is visually

intact.

BT antenna

BT antenna has one Feed and one GND contact. The antenna is functioning normally when the contacts

function (RDC = 0 ohm) and the antenna is visually intact.

RF tunings

Introduction to RF tunings

Important: Only perform RF tunings if:

• one or more of the RF components is changed

• flash Memory chip is changed or otherwise corrupted.

RM-86

Nokia Customer Care RF Troubleshooting and Manual Tuning Guide

Page 7 –18 COMPANY CONFIDENTIAL Issue 1