Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
49(57)
Problem Areas
1.32 Network & Signal
1.32.1 No/Poor signal
Check:
Inspect the sub antenna on the Sub Antenna Assy.
Action:
1. If dirty
– clean it.
2. If the pad is damaged
– replace the Sub Antenna Assy.
Check:
Inspect the main antenna contact pad on the Sub Antenna
Assy and the contact pin on the PBA.
Action:
1. If dirty or oxidized
– clean the pad and the pin.
2. If the pad is damaged
– replace the Sub Antenna Assy.