Sony C2104 - FM Radio; No;Poor FM Radio Reception

Troubleshooting Guide (mech)
1273-2281 Rev2
 Sony Mobile Communications AB –
Company Internal
35(48)
Problem Areas
1.22 FM Radio
1.22.1 No/Poor FM Radio reception
Check:
Inspect the external port of the audio jack.
Action:
If dirty or oxidized – clean it.
Check:
Inspect the audio jack on the main PBA.
Action:
1. If dirty or oxidized – clean it.
2. If damaged – Replace Main PBA.