Backlight Troubleshooting - Nokia RM-70 Service Manual

RM-70
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide

Backlight troubleshooting

Context
The device has one LED driver that provides current for both display and keyboard backlights. Brightness can
be adjusted manually. It affects both display and keypad. Keyboard backlights can be turned ON/OFF
separately but not without switching on the display lights.
Display and keyboard backlight troubleshooting
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