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TROUBLESHOOTING & REPAIR PROCEDURES Model 360E Instruction Manual
11
12
Figure 11-12: Removing the GFC Wheel
12. Remove the GFC wheel/mask assembly.
13. Follow the previous steps in reverse order to put the GFC wheel/motor assembly back together.
11.6.3. Disk-On-Chip Replacement Procedure
Replacing the Disk-on-Chip, may be necessary in certain rare circumstances or to load new instrument software.
This will cause all of the instrument configuration parameters and iDAS data to be lost. However a backup copy
of the operating parameters are stored in a second non-volatile memory and will be loaded into the new the
Disk-on-Chip on power-up. To change the Disk-on-Chip, follow this procedure.
1. Turn off power to the instrument.
2. Fold down the rear panel by loosening the thumbscrews on each side
3. Locate the Disk-on-Chip in the rightmost socket near the right hand side of the CPU assembly. Remove
the IC by gently prying it up from the socket.
4. Reinstall the new Disk-on-Chip, making sure the notch in the end of the chip is facing upward.
5. Close the rear panel and turn on power to the machine.
User Notes
220 05232 Rev B3