Sony Xperia TX LT29i Working Instructions page 46

Replacement: RCV Flex FPC
Attach a new Cushion Audio Jack 2 on its proper position as
shown.
Press along to secure its attachment and position.
Peel off the protective film.
Attach a new Cushion Audio Jack on its proper postion as
shown.
1266-4901 Rev 1
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Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
46(78)