Keithley 197 - Page 57

Table 6-2. Display Board, Parts List
Schematic
Desig.
DS-201
PI006
u201
Description
5 1/2 Digit Liquid Crystal Display (LCD)
Cable Assembly (14 Conductor)
LCD Controller/ Driver
Retainer, Strip Connector
Strip Connector (2 required)
LCD Mask
Window Bezel
Switch Pad, Conductive Touch
Schematic
Desig.
BTlOl
ClOl
c102
CR101
PI009
R101
R102
R103
R104
R105
0101
U101"
u102
Table 6-3. Model 1978 Battery Pack, Parts List
DescriDtion
Battery Assembly, 12.0V Sealed Rechargeable NiCad
Capacitor, 250pF, 25V, Aluminum Electrolytic
Capacitor, IOpF, 25V, Aluminum Electrolytic
Rectifier, Schottky Barrier, 1 N5820
Cable Assembly, 10 Conductor
Resistor, 4.7f2, lo%,
IW, Fixed, Fusible, Wound
Resistor, 4.7Q2,
YO, 1 /4W, Composition
Resistor, 44.2k, 1
%, 1 /8W, Metal Film
Resistor, 37.4k, 1
YO, 1 /8W, Metal Film
Resistor, 1.2M, 5%, 1 /4W, Composition
Transistor, NPN, High Voltage (TIP-49)
Voltage Converter, S17661 CJ
Voltage Comparator, LM393
Heat Sink used on UlOl
Standoff (Battery Board to Shield)
Location
Sch Pcb
D2 D3
B4 C4
D3 C4
Location
;ch Pcb
- B3
D2 E4
D3 C4
D2 D4
D2 B1
E2 C3
El C2
E3 E3
E3 E4
D3 E3
D3 C2
D3 04
D3 E3
D3
-
D3 -
Keithley
Part
No.
DD-36
CA-30-2
LSI-59
175-307
CS-460-2
175-306
175-305
175-308
Keithley
Part
No.
BA-40
C-314-220
C-314-10
R F-53
CA-27-1
R -334-4.7
R-76-4.7
R -88-44.2k
R -88-37.4k
R-76-1.2M
TG-I37
IC-340
1C-343
H
5-28
*Static Sensitive Device
6-6
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