Nokia 6600 slide, Руководство по обслуживанию

Страница: 68 / 192

Steps
1. Verify with a working display that the fault is not on the display module itself.
The display module cannot be repaired.
2. Check that the cellular engine is working normally.
i To check the functionality, connect the phone to a docking station.
ii Start
Phoenix
service software.
iii Read the phone information to check that also the application engine is functioning normally (you
should be able to read the APE ID).
3. Proceed to the display troubleshooting flowcharts.
Use the Display Test tool in
Phoenix
to find the detailed fault mode.
Display troubleshooting
Context
There are three different display fault cases;
1 No backlights when image is on
2 No image when backlight is on
3 No backlight and no image
Note: When assembling/disassembling the phone, all grounding contacts between different levels
(display, display flex, display frame, BTBl connector) must be checked in order to have them properly
connected.
RM-414; RM-570
BB Troubleshooting and Manual Tuning Guide
Page 3 –22 COMPANY CONFIDENTIAL Issue 2
Copyright © 2009 Nokia. All rights reserved.