Sony C2104 - Keys

Troubleshooting Guide (mech)
1273-2281 Rev2
 Sony Mobile Communications AB –
Company Internal
5(48)
Problem Areas
1.2 Keys
1.2.1 Back/Home/Menu Keys
Check:
Inspect the Back /Home/Menu keys on Display.
Action:
1. Refer to the section 1.3 ‘Touch Screen’.
2. Replace Main PBA.
1.2.2 Volume Key
Check:
Inspect the external area of the volume key.
Action:
If dirty – clean it.
Check:
Inspect the volume key switch on Main PBA.
Action:
1. If dirty – clean them.
2. If the volume key is damaged – replace the Battery Cover.