4. Click Close to end the lights testing.Bluetooth and FM radio troubleshootingIntroduction to Bluetooth troubleshootingThere are two main Bluetooth problems that can occur:Problem DescriptionDetachment of the BT antenna. This would most likely happen if the device hasbeen dropped repeatedly to the ground. It couldcause the BT antenna to become loose or partiallydetached from the PWB (see the details of BT/WLANantenna).A malfunction in the BT ASIC, BB ASICs or Phone’s BTSMD components.This is unpredictable and could have many causesi.e. SW or HW related.The main issue is to find out if the problem is related to the BT antenna or related to the BT system or thephone’s BB and then replace/fix the faulty component.Figure 24 Bluetooth placement on the bottom sideRM-313BB Troubleshooting and Tuning GuidePage 3 –56 COMPANY CONFIDENTIAL Issue 1Copyright © 2007 Nokia. All rights reserved.
