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Replacing the ECPU Board Installing the ECPU Board <br />ECPU Board Installation <br />guide slots (one at top <br />and bottom) <br />Comm Board <br />cage <br />Antistatic wrist strap <br />adhered to base of <br />console <br />Push board down onto <br />each retention pin until <br />it snaps through board <br />(three places). <br />Board <br />connector <br />it <br />111111 Attach one end of the antistatic wrist strap <br />to your left wrist and adhere the other end <br />to thecomm board cage. With your tight <br />hand, hold the ribbon cables out of the way. <br />Holding the ECPU board in your left hand as <br />shown, slide the board around the Comm <br />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 />bottom and push the board firmly toward <br />the back of the console to seat the board <br />connector In the motherboard connector. <br />1 II <br />oft 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 />ECPU board V (see inset for <br />printer connection precautions) <br />Correct Printer. Connector Ostentation <br />Make aura that tabs of the dbbon cable connector <br />face the locking ridge of board connector J7 as you <br />push the connector down over as pins. (Check also <br />that the kxdCing ridge Is centered between the tabs.) <br />To printer card t <br />Ribbon cable <br />Tabs (2) 4 connector <br />Looking ridge <br />ECPU board :� _J7 <br />LFrontof le <br />Push SW1 down to tum <br />battery backup OFF. <br />Figure S. Installing the ECPU Board <br />IF <br />mr,oiwlecauin.008 <br />