CBM-710/720 Service Manual

4.How to Remove the Power Board and AC Power Unit

1)How to Remove the Power Board

Disconnect 2 connectors.

Unfasten 2 screws (M3 x 8) and 2 tapping screws (M3 x 8).

Remove the board, paying attention to the lead wire.

2)How to Remove the AC Power Unit

Unfasten 2 inlet set screws (M3 x 10) and an earth wire mounting screw (M4 x 6).

Unfasten 2 noise filter plate mounting screws (M3 x 6).

Unfasten 4 power transformer mounting screws (M4 x 6).

Disconnect the connector at the secondary side of the power transformer and take away the entire unit.

Power Transformer Power Board

Noise Filter Plate

Inlet

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Citizen Systems CBM-710/720 service manual How to Remove the Power Board and AC Power Unit