Samsung NX300 Service Manual page 16

Disassembly and Reassembly
2. Open carefully the locking part to release the ASSY BACK as illustrated in image below.
Then remove it.
3. Remove the FPCB from the connector as illustrated in
3-2
ASSY BACK
Remove the FPCB from the connector.
FPCB
1. Open.
Fig. 3-2
Fig. A.
FPCB
2. Remove
Fig. 3-3
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Fig. A