5664.500/800 Evita 4/Evita 2 dura 06/98 Repair Instructions Page 25
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GBR5664500T055664800.fm 18.03.99
Dräger Medizintechnik
D
2.7 Conversions
2.7.1 Retrofitting of CPU 68332 PCB as per IDM No. 6
• Switch unit off.
• Take ESD protection precautions.
• Disassemble the CPU 68332 PCB.
If the order number 83 06 591 on the adhesive label of the PCB is followed by version
number 3.0, the R408 and R409 resistors have to be replaced with 332 ohm resistors (order
no. 18 16 144).
• Having done that, mark the version number 3.01 using a waterproof pen.
• Install printed circuit board. Checking electrical safety is not required.
COM1 Test:
• Connect PC as for download and call in download, refer to section of "Repair
Instructions - Software Change Report, Download and BD32 " chapter 3, Download,
page 17. Here only check if connection between the PC and the Evita 4 can be made,
i.e. the message “Connected with Evita” will be displayed.
• Conduct an equipment check in standby mode.
R409
R408
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