Replaceable Parts
7-3
R136
RES, 2.49K, 1%, 1/8W, METAL FILM
R-88-2.49K
R137
RES, 1.15K, 1%, 1/8W, METAL FILM
R-88-1.15K
R138
RES, 1K, 1%, 1/8W, METAL FILM
R-88-1K
S110
SOCKET
S0-72
ST1
STANDOFF, 4-40X0.812LG
ST-137-20
U100,103,104
IC, QUAD 2-INPUT EXCLUSIVE OR 74HCT86
IC-707
U101,102
IC, 8-BIT PARALLEL TO SERIAL, 74HCT165
IC-548
U105-109
IC, 8-BIT, SERIAL-IN LATCH DRIVER, 5841A
IC-536
U110
EPROM PROGRAM
7021-800A01
U111
IC, HEX INVERTER, 74HCT04
IC-444
U112
IC, QUAD 2 INPUT OR 74HCT32
IC-443
U113
IC, HIGH SPEED BUFFER, 74HC125
IC-451
U114
IC, RETRIG MONO MULTIVIB, 74HC123
IC-492
U115
IC, AJD SHUNT REGULATOR, TL431CLP
IC-677
VR100
DIODE, ZENER, 5.1V, IN751 (D0-7)
DZ-59
W100-107
JUMPER
J-15
Table 7-1 (continued)
Relay card for Model 7021 parts list
Circuit
designation
Description
Keithley
part no.
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Summary of Contents for 7021
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