On/Off Key - Sony Xperia TX LT29i Working Instructions

Problem Areas: Keys
2. If the Key Volume is damaged – replace it.
3. Replace board.

1.2.4 On/Off Key

Check:
Inspect the Key On/Off (a) and the key on/off switch (b).
Action:
1. If dirty – clean them.
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.
1266-5087 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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