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REPLACEABLE PARTS
Table
8-4.
l/O
Board,
Parts
List
(Cont.)
Schematic
Designation
U402
u403
u404*
u405
U406
u4ct7*
U408
u409
u410*
u411
U412
u413
u414
u415
U416*
u417*
w401
T
*Static Sensitive.
Description
IC, Octal Buffer/Line
Driver, 74LS244
IC, Hex Schmitt Triggerihwerter,
74LS14
IC, Peripheral
Interface Adapter, 65C21
IC, Octal Driver, UDN2595A
lC, Octal Driver, UDN2595A
IC, Peripheral
Interface Adapter, 65C21
IC, Darlington
Array, UNL2003A
IC, Darlington
Array, UNL2003A
IC, Versatile Interface Adapter, 6522A
IC, 1 of 8 Decoder, 74LSl.38
IC, 8.Bit Register, 74LS273
IC. 8.Bit Reeister. 74LS273
IC; S-flit Re$ste~ 74LS273
IC, 8.Bit Register, 74LS273
C, 12-Bit D/A Converter,
DAC-80.CBI-'
!-Bit D/A Converter,
DAC-80.
11
V
IC, 1;
CBI-V
Jumper
Schematic
Location
A2
A3,A4
C2
D2
D3
C4
D4
D4
C5!C6
Fl
F2
F3
M
F5
c;2
c;4
IC-230
I
IC-137
1.51-61
K-406
lC-406
LSl-61
IC-206
)
lC-206
l.Sl-45
I
IC-182
lC-263
lC-263
K-263
K-263
lC-323
IC-323
CS-339-B
a-41
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