• Malfunction of several keys at the same time; this happens when one or more rows or columns are failing
(shortcut or open connection). For a more detailed description of the keyboard and keymatrix, see
section Keyboard.
If the failure mode is not clear, start with the Keyboard Test in
Phoenix
.
RM-132; RM-133
BB Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 6 –33
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