Removal of Positive Lock connector
The positive lock connector is a specially designed loose free connector and you will find this connector in many lead wire connections. To remove this connector, pull the lead wire by pressing an extruded lever in the center of receptacle terminal as shown.
18.2.Replacement of power supply circuit board
NOTE: Be sure to ground any static electric charge built up on your body, before handling the power supply P. C. B. and D. P. C..
1.Disconnect all lead wires from power supply circuit board.
2.Remove the power supply P. C. B. together with its mounting bracket by first removing the 2 bracket holding screws.
3.The power supply P. C. B. can be separated from mounting bracket by removing the 2 L. V. T. holding screws and unfastening the plastic clips.
18.3.Replacement of digital programmer circuit board
1.Remove grounding screw for membrane switch and D. P. C. ground.
2.Remove 3 screws holding control panel assembly to detach it from main unit then remove connectors.
3.Remove 2 screws holding the D. P. C. board and while pushing back on 2 plastic holding clips, remove the board.
NOTE: Please use care in handling the power supply P. C.
B. and D. P. C. board to avoid damage.
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