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17)
Insert and solder the one 7430 IC at location U21.
18)
Insert and solder one 74LS30 IC at location U9.
19)
Insert and solder each of the three 74107 IC's
at locations 018, 019, and 022.
20)
Insert and solder each of the three 74123 IC's at
locations 017, U20, and 023.
21)
Insert and solder the one 8T97 IC at location 024.
22)
Insert and solder the one 8212 IC at location 05.
DISCRETE COMPONENT INSTALLATION
NOTE:
Lead allowance on all capacitors must be long
enough to allow them to be flattened (or laid down) flush
on the board or chip to facilitate front panel mounting.
23)
insert and solder each of the. seventeen .luf capaci
tors at locations Cl, C2, C 5 , C6, C7, and Cll through
C22.
C2, C3, C5, C 6 , and C7 should be laid down.
24)
Insert and solder each of the two .001 uf capaci
tors at locations C3 and C8.
25)
Insert and solder the one .01 uf capacitor at location
C 4 .
26)
Insert and solder the two 33 mf 25 volt tantalum
capacitors at locations C9 and CIO.
polarity as marked on board.
27)
Insert and solder the 1N914 diode at position CR1.
REGULATOR AND HEAT SINE
28)
Before installing heat sink bend all the heat sink
fins horizontally (outward) to facilitate front
panel mounting.
hand side of the board (when mounted) should be
broken off or bent inward in order to allow space
for the INTERRUPT/ENABLE LED (LIE) to be seen through
the front panel.
CP-A Rev. 4
Assembly Instructions
The middle fin located on the right
NOTE:
Observe
4 - 1 9
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