• 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 
Phoenix
.
Troubleshooting flow
RM-88
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 6 –10 COMPANY CONFIDENTIAL Issue 1
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