CITIZEN CBM-710 - Manual (Page 6)

CBM-710/720 Service Manual
4
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.
Inlet
Noise Filter Plate
Power Transformer Power Board