User Guide

Test points:

• R9132 (R9132 - N9130 connection) = X4402 pin 36 [1.8V IO voltage]

• R4428 (R4428 - N4450 connection) [1.8V IO voltage]

Bluetooth troubleshooting

Introduction to Bluetooth troubleshooting

There are two main Bluetooth problems that can occur:

Problem Description

BT antenna damage. Bluetooth antenna is located in the edge of the PWB

and it can be damaged when phone is dropped.

A malfunction in the BT ASIC, BB ASICs or Phone’s BT

SMD components.

This is unpredictable and could have many causes

i.e. SW or HW related.

The main issue is to find out if the problem is related to the BT antenna or the BT system or the phone’s BB

and then replace/fix the faulty component.

Location of the BT antenna

Bluetooth settings for Phoenix

Steps

1. Start

Phoenix

service software.

2. From the File menu, choose Open Product, and then choose the correct type designator from the

Product list.

3. Place the phone to a flash adapter in the local mode.

4. Choose Testing→Bluetooth LOCALS .

5. Locate JBT-9’s serial number (12 digits) found in the type label on the back of JBT-9.

In addition to JBT-9, also SB-6, JBT-3 and JBT-6 Bluetooth test boxes can be used.

6. In the

Bluetooth LOCALS

window, write the 12-digit serial number on the

Counterpart BT Device Address line.

RM-100

BB Troubleshooting and Manual Tuning Guide Nokia Customer Care

Issue 2 COMPANY CONFIDENTIAL Page 6 –51