Keyboard, Side Keys And Indicator Led Troubleshooting; Display Module Troubleshooting; General Instructions For Display Troubleshooting - Nokia 6720 Service Manual

Keyboard, side keys and indicator LED troubleshooting

Troubleshooting flow

Display module troubleshooting

General instructions for display troubleshooting

Context
• The display is in a normal mode when the phone is in active use.
• The operating modes of the display can be controlled with the help of
Display blank
Page 3 –26
Table 9 Display module troubleshooting cases
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
BB Troubleshooting and Manual Tuning Guide
Phoenix .
There is no image on the display. The display looks
the same when the phone is on as it does when the
phone is off. The backlight can be on in some cases.
RM-424; RM-564
Issue 1