Casio SE-S400 Service Manual page 12

B-2. Disengage the hooks and remove the CASE/UPPER.
NOTE: It is connected by the cable. Remove the CASE/UPPER carefully.
Hooks
NOTES ON ASSEMBLY
Run the FFC for the Customer Display
through the hole of the case.
B-3. Disconnect the cable (Main Display), FFC (Customer Display), and FPC (Key).
FPC (Key)
Cable (Main Display)
SE-S400/SE-S800/PCR-T500/PCR-T520/SE-C450
SE-S3000/SE-S900/PCR-T2300/PCR-T2400/SE-C3500
Hooks
FFC (Customer Display)
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Hooks