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Replacing the ECPU Board <br /> Installing the ECPU goad <br /> Ii <br /> Attach one end of the antistatic wrist strap <br /> i to your left wrist and adhere the other end <br /> U to thecomm board cage. With your right <br /> ECPU Board installationhand,hold the ribbon cables out of the way. <br /> Holding the ECPU board in your left hand as <br /> guide slots(one at top shown,slide the board around the Comm <br /> and bottom) Board cage and straight back into top and <br /> bottom guide slots. Place your thumbs on <br /> the front edge of the board at the top and <br /> ll _ bottom and push the board firmly toward <br /> the back of the console to seat the board <br /> connector in the motherboard connector. <br /> Comm Board 0 <br /> cage e <br /> Antistatic wrist strap <br /> adhered to base of <br /> console <br /> Board <br /> connector Connect cables: <br /> -Top 16-pin cable from display <br /> to ECPU board J3 <br /> -Middle 16-pin cable from key- <br /> board to ECPU board J4 <br /> -6-pin cable from printer to <br /> J3 ECPU board J7(see inset for <br /> printer connection precautions) <br /> Correct Printer Connector Orientation <br /> - Make sure that tabs of the ribbon cable connector <br /> J4 face the locking ridge of board connector J7 as you <br /> ' push the connector down over JTs pins.(Check also <br /> Mat the looking ridge is centered between the tabs.) <br /> To printer card <br /> i <br /> Ribbon cable <br /> O M <br /> Tabs(2) connector <br /> Locking ridge {{ <br /> I <br /> ECPU beard �J7 <br /> ® .� <br /> U Front of console <br /> Push board down onto <br /> each retention pin until Push SW1 down_to tum <br /> it snaps through board battery backup OFF. <br /> .. (three places). eonsoles%ecpuin.eps <br /> Figure S. Installing the ECPU <br /> 9 t3 Board <br /> 10 <br />