Key Problems; Keyboard - Sony Ericsson W960 Troubleshooting Manual

5 Key Problems

Problem Area Items to Inspect

Keyboard:

Inspect whether the keyfoil assembly
is properly connected to the circuit
None of the keys
board
on the keyboard
are functioning
(excluding the
navigation key)
Inspect each half of the keyfoil to
circuit board connection
If the issue has not been resolved
If the issue is still not resolved
1206-4798 Rev1
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Company Internal Sony Ericsson Mobile Communications AB
Repair Action
•
If improperly connected -
Reestablish proper connection
•
If dirty or oxidized – Clean both
halves of the connection
•
If the portion of the connection on
the key foil complete is damaged -
Replace the key foil complete
•
If the portion of the connection on
the circuit board is damaged – Send
to an electrical repair location
•
Replace the key foil complete, if it
has not already been replaced
•
Escalate to an electrical repair level
Trouble Shooting Guide, Mechanical
Inspection Reference
12(29)