Network & Signal; No/Poor Signal - Sony Xperia Z C6602 Troubleshooting Manual

Problem Areas
1.32 Network & Signal

1.32.1 No/Poor signal

Check:
Inspect the main antenna on the Ant Main Flex RoW.
Action:
1. If the main antenna is damaged – replace the Ant Main
Flex RoW.
Check:
Check:
Inspect the main antenna contact pins on PBA Sub RoW
and the contact pads on the Ant Main Flex RoW.
Action:
1. If dirty or oxidized – clean the pins and pads.
2. If the contact pads are damaged – replace the Ant Main
Flex RoW.
1273-1793 Rev 3
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Sony Mobile Communications AB – Company Internal
Trouble Shooting Guide (mech)
41(44)