Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
28(57)
Problem Areas
1.12 Bluetooth and WLAN
1.12.1 Bluetooth or WLAN connection
failure
Check:
Inspect the WLAN and Bluetooth antenna on the Sub
Antenna Assy.
Action:
1. If dirty
– clean it.
2. If the antenna is damaged
– replace the Sub Antenna
Assy.
Check:
Inspect the WLAN and Bluetooth antenna contact pads on
the Sub Antenna Assy and the contact pins on the PBA.
Action:
1. If dirty or oxidized
– clean the pads and pins.
2. If the pads are damaged
– replace the Sub Antenna
Assy.
3. Replace board.