Microphone - Sony Xperia TX LT29i Working Instructions

Problem Areas
1.8

Microphone

1.8.1 Microphone
Check:
Inspect the Microphone's external port on the Cover Front
Assy.
Action:
1. If clogged – clean the port.
2. If the port is damaged – replace the Cover Front Assy.
Check:
Inspect the BtB connector of Key Flex FPC to the PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean the both sides of the BtB
connector.
Check:
Inspect the BtB connector of Key Flex FPC to the Sub Board
Assy.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean the both sides of the BtB
connector.
1266-5087 Rev 1

Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
20(57)