Network & Signal; No/Poor Signal - Sony Xpreia acro S Working Instructions

Problem Areas
1.32 Network & Signal

1.32.1 No/Poor signal

Check:
Inspect the main antenna on the Rear Cover Assy.
Action:
If the main antenna is damaged – replace the Rear Cover
Assy.
Note: Ensure the BtB connector of Battery is
disconnected in the following steps!
Check:
Inspect contact pads on the main antenna and contact pins
on the PBA.
Action:
1. If dirty or oxidized – clean the pads and pins.
2. If the contact pads are damaged – replace Rear Cover
Assy.
1267-1086 Rev 2
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
61(72)