AQ-00073-000, Rev. 7 4
access door and open the top cover to gain access to the instrument.
2. Loosen the two side plate mounting fasteners on the top, inside end of the plate.
One of these screws fastens the cover leash - its removal will permit the spectrome-
ter cover to fall back.
3. Remove the large ribbon cable connector from the header on the existing side plate
circuit board and lift the plate out of the instrument.
4. Install the new side plate, Part No. EC-12201-000, into the instrument in the same
orientation as the original plate.
5. Reconnect the large ribbon cable into the same header connector located on the
newly installed side plate.
6. Unplug the detector cable that runs from the detector module to the motherboard at
connector P8. Route the same end of this cable to header P8 on the newly installed
side plate. Note that the header is keyed.
7. Plug the gray connector on Part No. AS-01803-100 into the side plate header
labeled P18. Note that this connector is keyed.
8. Route the black connector of Part No. AS-01803-100 to the instrument mother-
board at P8. This connector is keyed.
9. The individual wires attached to Part No. AS-01803-100, labeled +5V and GND,
should be plugged into the motherboard electrical studs labeled 5V/REL1 and
GND respectively.
10. Tighten the two mounting screws that secure the side plate to the instrument enclo-
sure.
11. Proceed to the accessory installation procedure.
Kit Modifications to the Lambda 14 Spectrometer
The Accessory PC Board Kit for the Lambda 14 spectrometer includes three components: a rib-
bon cable, Part No. AS-01803-000, and the two components listed above, Part No. AS-01803-
100 and EC-12201-000.
1. Disconnect electric power from the spectrometer. Remove the sample compartment
access door and open the top cover to gain access to the instrument.
2. Loosen the two side plate mounting fasteners on the top, inside end of the plate.
One of these screws fastens the cover leash - its removal will permit the spectrome-
ter cover to fall back.
3. Remove the large ribbon cable connector from the header on the existing side plate
P1
P3
Figure 3. Part No. AS-01803-000 used in modification of the Lambda
14 spectrometer.
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