
Troubleshooting Guide (mech)
1279-7185 Rev 1
Sony Mobile Communications AB – Company Internal
49(68)
Problem Areas
1.26 FM Radio
1.26.1 No/Poor FM Radio reception
Check:
Inspect the external port of the Audio Jack.
Action:
1. If dirty or oxidized – clean it.
Check:
Inspect the BtB connector of FPC Assy Audio Jack to Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the BtB connector or FPC of FPC Assy Audio Jack is
damaged – replace the FPC Assy Audio Jack.
4. Replace Main PBA.