CBM-230/231 Service Manual
4. Remove Control Board
(1) Remove the Power Supply Connector.
(2) Unfasten the screws M3x7(2pcs).
5. Remove Power Box
(1) Unfasten the tapping screws M3 x 12 (2pcs).
(2) Pull up the Power Box at the indicated side
(An arrow) and remove the Power
Box from the Bottom Cover.
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CITIZEN