Sony C2104 Working Instructions page 39

Reassembly
Assemble a new TP FPC adhesive.
Attach the new TP FPC adhesive at correct position.
Front Housing LCM TP Assembly with New TP FPC
Adhesive and new Conductive Cloth for TP IC.
Check Earspeaker pins and its direction are correct.
1273-2279 Rev3

Sony Mobile Communications AB – Company Internal
Working Instruction Repair Instruction Mechanical/
39(50)