Hitachi CP-RX78 Service Manual page 16

(3) Disconnect the LCD panel flexible cables and unscrew PWB assembly MAIN to make it free.
Remove there screws
Never put the heavy stress to the main board.
Otherwise, connectors will be damaged.
(4) Press and hold the switch S801 using an insulator during maintenance.
(5) Keep the unscrewed wires away from all of electric parts.
CP-RX78 ( C15-20EE )
Remove these screws
Flexible cables of LCD panel
WARNING
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