No/Poor Signal (N/A For Sgp321, Sgp341 And Sgp351) - Sony Xperia Tablet Z Troubleshooting Manual

Problem Areas
2. If the contact pads are damaged – replace the Diversity
antenna.
3. Replace Main PBA.
1.32.2 No/Poor signal (N/A for SGP321,
SGP341 and SGP351)
Check:
Inspect the contact pins on Main PBA and contact pads on
Diversity antenna.
Action:
1. If dirty or oxidized – clean the pins and pads.
2. If the contact pads are damaged – replace the Diversity
antenna.
1274-7272 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
54(65)