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Replacing the ECPU Board <br /> CAUTION!All operating,setup and historical data will be lost when the console is turned off and the <br /> ECPU2 board is replaced if you do not archive the system setup programming. <br /> 1. Perform the "Archiving the System Setup" on page 4. <br /> 2. Switch Off power to the Console. Open the left front door of the console. Follow the steps in Figure 1 to <br /> remove the ECPU board. <br /> (03. Place old and new ECPU boards side by side on a clean work surface. Make sure that the Battery Backup <br /> switches on both boards are turned Off. <br /> 4. Using a chip removal tool similar to the one shown (IC Extraction tool, Digikey Part No. K1 58-N D, or <br /> equivalent),follow the steps outlined in Figure 4 remove the TLS Setup Storage Device from the old ECPU <br /> board and install it the identical socket on the new board reversing the procedure shown in Figure 4. Observe <br /> chip orientation as shown in Figure 5. <br /> 5. Remove the SEM module from the old board and install it in the SEM socket of the new board (ref Figure 13 <br /> on page 20). Note: Either type SEM will only plug in one way. <br /> 6. Remove the software module from the old ECPU board and install it on the new board (ref Figure 9 on <br /> page 15). If present,also remove the memory module from the old ECPU board and install it on the new <br /> board. <br /> 3 Disconnect each of the <br /> three cables attached <br /> to the ECPU board. <br /> ECPU Board Installation <br /> guide slots(one at top and <br /> bottom). a <br /> Pull the board straight out until you disconnect <br /> it from the motherboard connector and it clears <br /> the top and bottom guides. Rotate it towards <br /> you to clear the door. Hold the ECPU board by <br /> its edges and avoid touching components and <br /> connector pins. <br /> 0 <br /> Pull up on corner i\ Remove the grounding wrist <br /> of board with your ® 2 strap from its package and <br /> finger wrap one end around your <br /> 4 Pry the board ° wrist. Ahere the other end <br /> off of each of the F to the side of the comm board <br /> 3 retention pins. cage. <br /> Turn OFF ac power to the <br /> console.Push SW1 down to turn <br /> battery backup OFF. <P <br /> Figure 1. Removing the ECPU Board <br /> 6 <br />