user manual

ETI NUMBER: EMK-016
4.
PROCEDURE
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
Loosen the cross head cover retaining screw located at the rear of the housing (See Figure 1).
Remove the RAA-E Unit cover by applying inward pressure to the lower half while at the same time pulling
back on the upper half.
Remove the HIC-E PCB by lifting it off of the RAC-E Unit.
Using the chip extraction/insertion tool, remove the installed EPROM (22) from its socket (Refer to Figure
2). Follow the IC extractor manufacturer’s recommended procedure.
Using the same tool as in step 4.4, and following the IC insertion tool manufacturer’s recommended
procedure, insert the supplied EPROM into the IC chip socket. Observe IC polarity and ensure that the IC
pins are not bent and that all pins are properly inserted in the IC socket (Refer to Figure 2).
Using the revision A label provided, add the A revision after the number on the RAC-E PCB (See Figure 2).
Use the revision 2A label and change the revision level on the outside of the bottom half of the RAA-E Unit
(See Figure 3).
Set SW5 on the HIC-E Unit to the Low setting.
Reassemble the upper and lower housing halves of the RAA-E Unit.
Test the unit for proper operation. This can be done with either the “COMLINK” (V2.0) or “DATASAVE”
(V1.00) Software. Refer to the Electra Markll Installation Service Manual, Chapter 9, for programminc
instructions.
Pull Cover Back and Up
Loosen Cross Head Retaming Screw
Figure 1 - Removing the RAA-E Unit Cover
2OF4