Nokia RM-243 Service Manual

Backlights and LED driver 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.
RM-243
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –25
Copyright © 2007 Nokia. All rights reserved.

Nokia RM-243 Specifications

General

Brand	Nokia
Model	RM-243
Category	Handhelds
Language	English