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Backlight troubleshooting
Context
The device has one LED driver that provides current for both the display and keyboard backlights. Brightness
can be adjusted manually, and it affects both the display and keypad. Keyboard backlights can be turned ON/
OFF separately but not without switching on the display lights.
Display and keyboard backlight troubleshooting
RM-237
BB Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 6 –23
Copyright © 2007 Nokia. All rights reserved.
Содержание 3110c
Страница 189: ...8 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 8 1 Copyright 2007 Nokia All rights reserved ...
Страница 207: ...9 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2007 Nokia All rights reserved ...
Страница 218: ...RM 237 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 12 Copyright 2007 Nokia All rights reserved ...
Страница 219: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2007 Nokia All rights reserved ...