Display Controller Troubleshooting; Keyboard Troubleshooting - Nokia RM-132 Service Manual & Parts Manual

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Display controller troubleshooting

Troubleshooting flow

Keyboard troubleshooting

Context
There are two possible failure modes in the keyboard module:
• One or more keys can be stuck, so that the key does not react when a keydome is pressed. This kind of
failure is caused by mechanical reasons (dirt, corrosion).
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BB Troubleshooting and Manual Tuning Guide
RM-132; RM-133
Issue 1