Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
16(57)
Problem Areas: Speaker
Check:
Inspect the Loudspe
aker’s pins and the pads on the Sub
Board Assy.
Action:
1. If dirty
– clean them.
2. If the pins of the Loudspeaker are damaged
– replace the
Loudspeaker.
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.
3. If the pads or the BtB connector of the Sub Board Assy is
damaged
– replace the Sub Board Assy.
