
Troubleshooting Guide (mech)
1279-7185 Rev 1
Sony Mobile Communications AB – Company Internal
58(68)
Problem Areas: Network & Signal
2. If the Diversity/GPS
antenna contact pads or
Diversity/GPS antenna film is damaged – replace the Sub
Antenna Assy.
3. If the contact pins on main PBA is damaged – replace
Main PBA.
Check:
Inspect the 2
nd
GSM antenna film on the Main Antenna
Speaker Sub Assy.
Action:
If damaged – replace the Main Antenna Speaker Sub Assy.