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Insert and solder the one 74LS00 at locaiton D5.
9)
Insert and solder the one 74LSQ2 at location C 3 .
10
)
Insert and solder the one 7404 at location A10.
)
11
12
Insert and solder the three 74LS04's at locations D4,
)
D 7 , and D l l .
Insert and solder the two 7 4 0 8 's at locations C4 and C6
13) v
on SIO 2-2; or the o n e 7408 at location C4 on SIO 2-1.
14)
Insert and solder the one 74LS08 at location Cll.
15)
Insert and solder the one 7425 at location C5.
15)
Insert and solder the two 74LS20's at locations C3 and D8
17)
;
Insert and solder the four 7 4 9 3 's at locations All, A12,
B12, and C12.
18)
I nsert and solder the one 7 4177 at location C 9 .
Insert and solder the three 75188's at locations B2, B3,
19)
a nd B9 on SIO 2-2; or the two 75188's at locations B2 and
B3 on SIO 2-1.
)
20
Insert and solder the three 75189's at locations Bl, B4,
a n d B10 on SIO 2-2; or the two 7 5 1 8 9 's at locations B1
a nd B 4 . .
21
)
Insert and solder the two 7 5 4 5 2 's at locations A4B and
B 7B on SIO 2-2; or the one 7 5 4 5 2 's at location A4B on
SIO 2-1.
22)
Insert and solder the two 8 2 1 5 's at locations D9. and D10.
Insert and solder the two 28 pin solder tail sockets at
23)
locations B5 and B6 on SIO 2-2; or the one 28 pin solder
t a il socket at location B5.
24)
Insert and solder the four 4N25's at locations A4A; A6A,
A6B, and B7A for SIO 2-2; o r the two 4 N 2 5 's at locations
A 4 A and A 6 A for SIO 2-1.
25)
Insert the one 8T97 at location C9.
13
Assembly Instruction
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