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-r <br /> —Replacing • <br /> This procedure assumes you are changing the EEPROM (E2) chip, but not the ECPU board. <br /> F 1. Switch Off power to the console. Open the left front door of the console and locate the ECPU board <br /> [reference Figure 1 on page 61. <br /> 'Q 2. Remove the ECPU board following the instructions in "Replacing the ECPU Board" on page 6 with one <br /> exception - DO NOT turn the Battery Backup switch OFF as instructed in that procedure. <br /> 3. Locate the E2 chip on your ECPU board (see Figure 2 on page 7 or Figure 3 on page 6). <br /> 4. Remove the E2 chip following the instructions shown in Figure 4 on page 9. <br /> 5. Replace the E2 chip following the instructions shown in Figure 5 on page 9. <br /> Q 6. Replace the ECPU board following the instructions shown in Figure 6 on page 10 with one exception -you <br /> can ignore step 4 in Figure 6 since you did not turn off battery backup when you removed the board. <br /> 7 Close the left front door of the console and restore AC power to the console. <br /> The display will cycle through the following warm boot screens: <br /> SYSTEM WARM START <br /> SYSTEM SELF TEST <br /> SYSTEM STARTUP COMPLETE <br /> At this point front panel display reads: <br /> MMM DD,YYYY HH:MM:SS XM <br /> ALL FUNCTIONS NORMAL <br /> S. You should archive the current system setup data in the blank E2 chip following instructions in "Archiving the <br /> System Setup Into the EEPROM Chip" on page 4. <br /> 15 <br />