Samsung ST76 Service Manual page 18

(b) Remove the BARREL ASSY/ASSY MAIN PCB.
(c) Remove the CONNECTOR as indicated " Fig. A" below.
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BARREL/MAIN PCB ASSY
Fig 3-12
Remove the FPCB from the connector.
FPCB
Fig 3-13
Disassembly and reassembly
FPCB
Fig. A
3-7