Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
34(62)
Problem Areas
1.14 GPS
1.14.1 GPS malfunctions
Check:
Inspect the GPS antenna on the Frame Rear Assy.
Action:
1. If dirty
– clean it.
2. If the antenna is damaged
– replace the Frame Rear
Assy.
Note: Ensure the BtB connector of battery is
disconnected in the following steps!
Check:
Inspect the GPS antenna contact pads on the Frame Rear
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 Rear Assy.
3. Replace board.