Sony Xpreia acro S Working Instructions page 58

Reassembly
Press to secure its attachment and position.
Do the same to attach a new Sheet Key FPC on its proper
position as shown in picture.
Press to secure its attachment and position.
Turn the PBA over and gently insert the Spacer Felica in the
cavity.
1267-1071 Rev 2
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Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
58(76)