Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
54(62)
Problem Areas: Network & Signal
Check:
Inspect the main antenna contact pins on the PBA Sub
Antenna Assy and contact pads on the Frame Rear Assy.
Action:
1. If dirty or oxidized
– clean the pads and pins.
2. If the pads are damaged
– replace Frame Rear Assy.
Check:
Inspect the connector on the PBA Sub Antenna Assy to the
Cable RF.
Action:
If not properly connected
– disconnect and reconnect it.
Check:
Inspect the connector of Cable RF to the Main PBA.
Action:
1. If not properly connected
– disconnect and reconnect it.
