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Reinstalling the Circuit Boards
1. Place the Main PCA with all its attachments into the chassis base.
2. Put the Output Block into place in the front of the chassis.
3. Use five nylock nuts to secure the Output Block to the Chassis Base.
4. Lay the Main PCA down so that it is in place.
5. Use the (6) 6-32 5/8" screws and (6) lock washers to secure the Main PCA to the
chassis base.
6. Use the (4) 6-32 X-former screws and (4) #6 nylon washers to secure the transformer
to the chassis.
7. Using the (2) jack standoffs, attach the Opto RS232 PCA to the rear of the chassis.
8. Stand the unit on its front handles.
9. Insert the keypad into the front of the chassis.
10. Use (6) 6-32 x 3/8" screws to attach the Keypad PCA to the chassis base.
11. Remove the protective plastic from the LCD and put it over the lens on the front label
(outside).
12. Use the (4) 6-32 nylon screws and the 4 nylon washers to attach the Display PCA to
the chassis. The washers go between the Display PCA and the chassis base.
Connecting the Power Module
To attach the Power Module to the Main PCA, make the connections listed in Table 8.
Refer to Figure 6.
Wire Color
Red
White
Red
Green
Black
White
Table 8. Power Module to Main PCA Connections
From
AC3
AC4
AC7
AC8
AC9
AC10
Modular-Level Maintenance
To
Terminal 3 on Power Module
Terminal 4 on Power Module
Terminal 7 on Power Module
Terminal 8 on Power Module
Terminal 9 on Power Module
Terminal 10 on Power Module
525A
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