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9255517888 Line 13:12:55 08-17-2012 8%15 <br /> Replacing •U Board <br /> Importantl All operating,setup and historical data will be lost when the console is turned off and the <br /> ECPU board Is replaced. <br /> 1. Perform the"Archiving the System Setup Into the EEPROM Chip'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 /> 3. 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(10 Extraction tool,Digikey Part No.K158•ND,or <br /> equivalent),follow the steps outlined in Figure 4 remove the E2 chip from the old ECPU board and install it the <br /> identical socket on the new board reversing the procedure shown in Figure 4.Observe chip orientation as <br /> 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 10 <br /> on page 17).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 8 on <br /> page 14). If present,also remove the memory module from the old ECPU board and install it on the new <br /> board. <br /> 3F`n8` <br /> ct each of the <br /> eabes attached <br /> he ECPU board <br /> ECPU Board Installationa`a <br /> guide slots(one at top and <br /> bottom). <br /> .d <br /> PLA the board straight out until you fisconnen <br /> 5d from the mothe board connector and it clears <br /> t,�; - {'tE`G't the top and bottom guides.Rotate it towards <br /> iti.=iarr� •�' <br /> you to Gear the door.Hold the ECPU hoard by <br /> a <br /> t..: <br /> ctpf-jF ii ,, its edges and avoid touching components and <br /> connector pins. <br /> I ' k n t <br /> Putl up on corner ''i` Remove the grounding wrist <br /> N board with your ���a 2 strap from its pacloAe and <br /> wrap one end around your <br /> Anger <br /> 4 Pry the board o wrist Ahere the other end <br /> off of its retention pin 3 retention to the side of the comm board <br /> pins. cage. <br /> V Two OFFN Dower to the <br /> consolePaste SWI down to nun <br /> battery*ba"Off. W-n— <br /> Figure 1. Removing the ECPU Board <br /> 6 <br />