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( )
12. Insert and solder the one 470 Ohm, h watt (yellow,
violet, brown) resistor at location R8 as shown
on the Assembly Diagram.
All Pin.l's are toward the lower right hand edge of the PC
board and the 100 pin connector.
square.
13. Insert and solder the one 7406 at location U3
( )
as shown on the Assembly Diagram.
14. Insert and solder the two 74LSl75s at locations
( )
U4 and U26 as shown on the Assembly Diagram.
15. Insert and solder the three 74LS04s at locations
( )
U5, U35 and 045 as shown on the Assembly Diagram.
16. Insert and solder the four 8212s at locations
( )
08 through Oil as shown on the Assembly Diagram.
17. Insert and solder the five 74LSl61s
( )
at locations 012 through 014, 027 and 047 as shown
on the Assembly Diagram.
18. Insert and solder the one 75189 at location 015
( )
as shown on the Assembly Diagram.
19. Insert and solder the one 75188 at location 016
( )
as shown on the Assembly Diagram.
20. Insert and solder the one 74LS05 at location 017
( )
as shown on the Assembly Diagram.
( )
21. Insert and solder the one 74LS30 at location 018
as shown on the Assembly Diagram.
( )
22. Insert and solder the three 74LS86s in locations
021, 037 and 040 as shown on the Assembly Diagram.
( )
23. Insert and solder the one 7432 at location U22 as
shown on the Assembly Diagram.
( )
24. Insert and solder the four 74367s at locations 06
and 041 through 043 as shown on the Assembly
Diagram.
( )
25. Insert and solder the one 74LS155 in location 023
as shown on the Assembly Diagram.
( )
26. Insert and solder the two 74LS395s at locations
024 and U25 as shown on the Assembly Diagram.
IC INSTALLATION
The pads for Pin 1 are
MIO
Assembly Instructions
(or 74LSl63s)
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