Sony Ericsson K750 Troubleshooting Manual, Mechanical page 7

Problem Area Items to Check
Visually inspect all keys
Keyboard
On/Off key
Music key
Volume key
Camera key
4/000 21-1/FEA 209 544/94 C
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Repair Action
•
If dirty – Clean parts as necessary.
•
If unacceptably scratched or damaged –
Replace damaged parts as necessary.
NOTE: Misuse is not covered by warranty.
Refer to chapter 1.2
Trouble Shooting Guide, Mechanical
Reference Image
7(33)