Sony C2104 - On;Off Key

Troubleshooting Guide (mech)
1273-2281 Rev2
 Sony Mobile Communications AB –
Company Internal
6(48)
Problem Areas
Check:
Inspect the Film Side Key FPC on main PBA.
Action:
1. If Missing or damaged – replace it.
2. If the volume key switch is damaged – replace Main PBA.
1.2.3 On/Off Key
Check:
Inspect the external area of the on/off key.
Action:
If dirty – clean it.
Check:
Inspect the on/off key on Middle Frame Assembly.
Action:
1. If dirty or stuck – clean and reassemble it.