Medivance Arctic Sun 2000, Руководство по обслуживанию

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7.12 Software Chips
Tools required:
ƒ
PLCC extractor
Note:
Observe electrostatic discharge control procedures when
handling circuit cards.
1. Remove the rear panel per Section 7.3.
2. Remove the Processor circuit card per Section 7.8.
Note:
The software upgrade is performed by replacing the firmware
chips Handle the chips as little as possible to avoid static damage.
Control Software Chips
1. Using the extractor tool remove the chips from U 24 and U 26.
2. Place the new chip with the odd number extension (number
after the dash) into U24.
3. Place the new chip with the even number extension into U 26.
Monitor Software Chips
1. Using the extractor tool remove the chip from U11.
2. Install the new chip.
Programmable Logic Device
1. Using the extractor tool remove the chip from U 21.
2. Install the new chip.
Software Chip Location
Figure 7.18
U11
U21
U26
U24
7.13 Handle
1. Unscrew the knobs on both sides of the handle.
2. Replace with a new handle