Nokia Customer Care
• Malfunction of several keys at the same time; this happens when one or more rows or columns are faulty
(shortcut or open connection). For a more detailed description of the keyboard and keymatrix, see
section Keyboard in System Module.
If the failure mode is not clear, start with the Keyboard Test in
Troubleshooting flow
Page 6 –10
COMPANY CONFIDENTIAL
Copyright © 2006 Nokia. All rights reserved.
BB Troubleshooting and Manual Tuning Guide
Phoenix .
RM-88
Issue 1