Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
59(62)
Problem Areas
1.35 HandsFree by Wire
1.35.1 Connection to Portable
HandsFree fails
Check:
Inspect the Audio Jack.
Action:
If dirty or oxidized
– clean the connector.
Note: Ensure the BtB connector of battery is
disconnected in the following steps!
Check:
Inspect the contact pins on the Audio Jack and the contact
pads on the FPC Top Flex.
Action:
1. If dirty or oxidized
– clean the pads and pins.
2. If the pins are damaged
– replace the Audio Jack.
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.
