Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
20(57)
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.