Keithley 194 Instruction Manual page 218

REPLACEABLEPARTS
Table S-1. Mother Board, Parts List (Cont.)
Schematic
Schematic Keithley
Designation Description
Location Part No.
QlO3 Transistor, Silicon, I'NP, 2N3906
l/E5
TG-84
Q104 Transistor, Silicon, NPN, 2N3904
l/F4 TG-47
RlOl
R102
R103
R104
R105
R106
R107
R108
R109
RllO
Rlll
R112
R113
R114
R115
R116
R117
R118
R119
Rl20
Ii121
R123
R124
R125
R126
R127
R128
R129
Rl30
5101
5102
TlOl
TlOl
Tlo2
Resistor, 26lk0, l%, '/,W
Resistor, ZOkn, l%, '/,W
Resistor, 61.9kn, l%, '/,W
Resistor, 3.3kn, 5%, 'hW, Composition
Resistor, 5100, 5%, XW, Composition
Resistor, 10062, 5%, 'lpW, Composition
Resistor, lkR, 5%, '/pW, Composition
Resistor, 4.7n lW, Wire Wound, Fused
Resistor, 5162, 5%, XW, Composition
Resistor, 3.3k0, 5%, '/pW, Composition
Resistor, 30kn, 5%, XW, Composition
Resistor, 4.7k0, 5%, XW, Composition
Resistor, lkO, 5%, I/nW, Composition
Resistor, 3.3kR, 5%, '/nW, Composition
Resistor, 1000, 5%, XW, Composition
Resistor, Thick Film
Resistor, 3.3kfl, 5%, '/aW, Composition
Resistor, lkn, 5%, XW, Composition
Resistor, lOk0, 5%, '/aW, Composition
Resistor, 470k0, 5%, '/aW, Composition
Resistor, 23.2kn, l%, '/,W
Resistor, 3.3k0, 5%, XW, Composition
Resistor, 3.3kD, 5%, '/aW, Composition
Resistor, lOOQ, 5%, '/qW, Composition
Resistor, lOkn, 5%, '/aW, Composition
Resistor, Thick Film
Resistor, 2000, l%, 'l,W
Resistor, l3kn, l%, '1.W
Resistor, 754 lo%, ZW, Composition
Switch, Power
Switch, Voltage Select
Transformer, Power (105-125V, 210.250V operation)
Transformer, Power (90.llOV, 180.220V operation)
Transformer, MOSFET Drive
IC, Microprocessor, 68008.LlO
Z/A6
Z/A6
Z/A6
Z/A6
Z/D3
l/D2
l/D2
l/D2
3iF6
l/E5
l/F5
l/F5
l/F4
l/F3
l/F2
SW
Z/D4
l/E5
l/F5
l/F5
l/E4
3iD5
3iF6
3iF6
3iF6
sev
l/E4
l/E5
l/C2
l/B4
l/A3
l/B3
l/B3
l/D2-F4
R-88.261k
R-88.20k
R-88.61.9k
R-76.33k
R-76-510
R-76-100
I<-76.lk
R-334-4.7
R-76-51
R-76.3.3k
R-76.30k
R-76.4.7k
R-76-l k
R-76.3.3k
R-76-100
TF-10
R-76.3.3k
R-76.lk
R-76-1Ok
R-76.470k
R-88.23.2k
R-76.3.3k
R-76.3.3k
R-76-100
It-76~1Ok
TF-101
R-88-200
R-88.l3k
R-3-75
SW-420
SW-397
TR-217
TR-219
TR-218
*Static Sensitive
**Order same number as present software revision