Sony Xperia M Manual page 34

Problem Areas: LED/Illumination
Check:
Inspect the ZIF connector of the ANT Board to the Link FPC.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
Check:
Inspect the BtB connector of the Link FPC to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the connectors or the FPC part of Link FPC is damaged
– replace the Link FPC and Link FPC Gasket.
4. Replace Main PBA.
1277-1356 Rev 2
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Troubleshooting Guide (mech) G (
13(45)