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Board&Software Replacement Before Turning off Power-All Procedures <br /> K <br /> 6. Install the new CPU board by following the steps in Figurl 3. <br /> ...... .... ......... . .. ...... .... <br /> o� Attach one end of the antistatic wrist strap <br /> to your left wrist and adhere the other end <br /> to the comm board cage. With your right <br /> CPU Board Installation o 0 ® hand,hold the ribbon cables out of the way. <br /> guide slots(one at top Holding the CPU board in your lett hand as <br /> and bottom) o shown,slide the board around the Comm <br /> 0o 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 finely toward <br /> the back of the console to seat the board <br /> connector in the motherboard connector. <br /> Comm board <br /> cage Q 6 <br /> Antistatic wrist strap <br /> adhered to side of <br /> comm board cage <br /> Board <br /> connectorConnect cables: <br /> -Top 16•pin cable from display to <br /> CPU board J10 <br /> -Middle 16-pin cable from keyboard <br /> to CPU board J9 <br /> o -6-pin cable from printer to J1 on the <br /> Local Printer Com Board. Pin 1 is <br /> identified by the number 1 screened <br /> on the surface of the board. Look at <br /> 0 0 the connector on the end of the ribbon <br /> cable. On one side you will see <br /> embossed socket numbers 1 through 6. <br /> -� Orient connector so that the#1 socket <br /> is aligned over the#1 pin of the board <br /> connector before attaching It.(see <br /> Local Printer f O diagram below for additional printer <br /> connection information.) <br /> Comm Board <br /> (could be in [� <br /> another slot) ,_,-- _ Correct Printer Connector Orientation <br /> Make sure that tabs of the ribbon cable connector <br /> face the locking ridge of board connector J1 as you <br /> .. push the connector down over X's pins.(Check also <br /> that the lacking ridge is centered between the tabs.) <br /> To printer card <br /> JJ� <br /> Ribbon cable <br /> N ®o Tabs(2) connector <br /> 2 Push board down onto each en r onery Locking ridge 1 <br /> retention pin until it snaps <br /> through board(3 places). Connector J1 _ Local printer <br /> 4 Push S2 down to tum — COO board <br /> w,.oissmpuea�..p: battery backup OFF. Front of console <br /> w..a..vn.w.•w <br /> t................................................................................................................................................................................................................................................................................ <br /> Figure 3. Installing the CPU Board <br /> 6 <br />