Keithley 220 Instruction Manual page 43

Table 6-2. Mother Board D220-103, Parts List (Cont.1
Circuit
Desig.
RllO
Rlll
R112
R113
R114
R115
Rll8
RllS
R121
R122
R125
R126
R127
R128
SlOl
5102
TlOl
TlOl
UlOl
u102
u103
u104
u105
U106
u107
UlO8
UlOS
UllO
Ulll
u112
u113
u114
u115
U116
u117
VRlOl
VR102
VR103
WlOl
w102
YlOl
Description
22OR. 5%. 114W. Composition
2.4k. 5%. 1/4W, Composition
4.7k. 5%. 1/4W, Composition
22OB. 5%. 1/4W, Composition
Thick Film Resistor Network
4.7k. 5%. 114W. Composition
lOOk, f lo%, 1/2W, Composition
lOOk, f lo%, 1/2W, Composition
1OOg. * 10%. 112W. Composition
1OOg. * 10%. 112W. Composition
4.7k. 5%. 114W. Composition
10k. 5%, 114W. Composition
4.7k. 5%. 1/4W, Composition
47kB. 10%. 0.25W. Composition
Switch, Power
Switch. Line
Transformer Transformer
Transformer lspecial for SOV-1lOV 18OV-220V operationl Transformer lspecial for SOV-1lOV 18OV-220V operationl
1024 X 4bit Static Ram. 2114 1024 X 4bit Static Ram. 2114
OscillatorlClock, 4060 OscillatorlClock, 4060
1024 X 4-bit Static Ram. 2114 1024 X 4-bit Static Ram. 2114
Up/Down Counter, 74LS193
1024 X4-bit Static Ram, 2114
Quad 2-111. Nand Gate.74 LSOO
1024 X Qbit Static Ram. 2114
Clued 2-In. NOR Gate, 74LSO2
Erasable Prom, 2732
DecoderlDemultiplexer, 74LS138
Erasable Prom, 2732
Ebit Shift Register, 14094
Quad Exclusive OR Gate, 7486
Interface Adapter, SY6522
Microprocessor, MC6808
Bus Driver, 14503
Hex Inverter, 16.pin DIP, 4049
5 Volt Regulator, LM309K
* 15V. 3.term, 7915
3.term Positive Voltage Regulator, 7815
Jumper
Jumper
4.0 MHZ Crystal
G2
G2
Hl
Gl
E5
Ez
D2
2
E2
El
G5
A3
A3
82
82
D5
E4
c5
F4
&
SEV
SEV
85
F3
A5
El
SW
c2
82
S',",
D4
D3
D3
86
B6
Location
Sch. Pcb.
05
E5
EE
85
c5
E5
E5
E3
E3
D4
D5
E3
E3
82
G2
F2
F2
c2
D2
c2
02
c2
02
c3
D3
c3
D3
c4
D4
D4
c4
c5
c5
E5
F4
F5
F5
D2
D2
C5
I
-
Keithley
Pert No.
R-76-220
R-762.4k
R-764.7k
R-76-220
TF-140
R-76.4.7k
R-l-look
R-l-look
R-1-100
R-1-100
R-754.7k
R-76.10k
R-784.7k
R-7647k
SW-466
SW-397
TR-186
TR-187
LSI-15
IC-197
LSI-15
K-214
LSI-15
K-163
LSI-15
IC-179
220-800-85
KC-182
220-801-85
IC-251
IC-118
LSI-28
LSI-27
KC-250
IC-106
IC-34
IC-174
IC-96
J-3
J-3
CR-10
8-5