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Table 6-l. Mother
Board, Parts List (Cont.1
r
Circuit
I
Desig.
Description
u117
/ Dual D FlipFloe,
74HC74
U118
u119
u120
u121
u122
U123
VRlOl
VR102
VR103
VR104
VR105
VR108
WI01
WI02
WI03
Quad 2-Input NAND Gate, 74HCoo
Tri-State Octal D Latch, 74HC373
CMOS 8-Bit Microprocessor,
146805E2
Regulator,
+5V, lA, 7805
3-Terminal Adjustable Regulator, LM337L
18 x 16 Bit Serial Nonvolatile
Static RAM, X2443P
Diode, 2.3V-2.9V,
lN702A
Diode, 2.3V-2.9V,
lN702A
Diode, Zener, 6.35V. 400mW. lN4577
Diode, Zener, 5.1V, 400mV. lN751
Diode, Zener, 12V. lN963B
Diode, Zener, 12V, 5W. IN5349
Jumper
Jumper
Calibration Jumper
YlOl
) Crystal, 3.2768MHr
"-
~_.
Location
Keithley
Sch'
Pcb Part No.
D3-2
E3
I(3337
Sev
D4
IC-351
D6-2
E5
IC-338
SW
F5
LSI-60
HI-2
E2
IC-93
G2-2
E3
IC-345
H5-2
D3
IC-353
E4-1
C3
DZ-33
E4-1
C3
DZ-33
F4-1
C3
DZ-58
G4-1
C2
DZ-59
Hl-2
D3
DZ-54
H2-2
E3 DZ-72-1
C5-1
C4
J-3
D5-1
C4
J-3
H6-2
D4
CS-476
E6-2
F5 ) CR-21
"Lone and page number e.g. BZ-1 corresponds to zone B2 on page 1 of schematic.
**Order same software as presently installed. For example, if Al is the displayed software, order 485-800-A?.
6-6
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