Sony Xperia TX LT29i Working Instructions page 87

Problem Areas: Power
2. If the Key On/Off is damaged – replace it.
Check:
Inspect the BtB connector of the RCV Flex FPC to the PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean it.
3. If the key on/off switch, the BtB connector or the FPC of
the RCV Flex FPC is damaged – replace the RCV Flex
FPC.
4. Replace board.
1266-5087 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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