Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
50(57)
Problem Areas: Network & Signal
Check:
Inspect the main antenna on the Main Antenna Assy.
Action:
1. If dirty
– clean it.
2. If the main antenna is damaged
– replace the Main
Antenna Assy.
Check:
Inspect the main antenna contact pins on the Sub Board
Assy and contact pads on the Main Antenna Assy.
Action:
1. If dirty or oxidized
– clean the pads and pins.
2. If the pads are damaged
– replace Main Antenna Assy.