
Troubleshooting Guide (mech)
1279-7185 Rev 1
Sony Mobile Communications AB – Company Internal
8(68)
Problem Areas: Keys
Check:
Inspect the rubber of the Volume Key (a) and Volume Key
switch (b).
Action:
1. If dirty – clean them.
2. If the rubber of the Volume Key is damaged – replace the
Display Frame Assy.
3. If the volume key switch is damaged – replace the FPC
Assy Relay/Side Key.
1.2.3 On/Off Key
Check:
Inspect the external area of the Power Key.
Action:
If dirty – clean it.