Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
19(62)
Problem Areas
1.7 Earphone
1.7.1 Earphone
Check:
Inspect the Ear Speaker„s external port on the Cover Front
Assy.
Action:
1. If clogged
– clean it.
2. If the port is damaged
– replace the Cover Front Assy.
Note: Ensure the BtB connector of battery is
disconnected in the following steps!
Check:
Inspect the both sides of the ZIF connector on the Main PBA
and the FPC Top Flex.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean it.
Check:
Inspect the Earspeaker‟s pins and the pads on the FPC Top
Flex.
Action:
1. If dirty
– clean them.
