User Interface Troubleshooting; Keyboard And Side Keys Troubleshooting - Nokia RM-645 Service Manual

RM-645
BB Troubleshooting and Manual Tuning Guide
Troubleshooting flow - Page 2 of 2

User interface troubleshooting

Keyboard and side keys troubleshooting

Context
There are two possible failure modes in the keyboard module:
• One or more keys are stuck, so that the key does not react when a keydome or a side key is pressed. This
kind of failure is caused by mechanical reasons (dirt, rust, mechanical damage, etc.)
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