Bluetooth And Wlan; Bluetooth Or Wlan Connection Failure - Sony Xperia tipo ST21i Troubleshooting Manual

Problem Areas

1.12 Bluetooth and WLAN

1.12.1 Bluetooth or WLAN connection
failure
Check:
Inspect the WLAN and Bluetooth antenna on the Frame
Antenna Assy.
Check:
Inspect the WLAN and Bluetooth antenna contact pads on
the Frame 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 Frame Antenna
Assy.
3. Replace PBA.
1266-1682 Rev 4
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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