Keithley 177 Instruction Manual page 42

Table
6-2.
Model
177
Mother
Board,
Parts
List
Circuit
Destg. Description
Location
Sch Pcb
Keithiey
Part
No.
C101
Capacitor, O-VF,
1000V,
Polyester Film
B3
E5
C-285-.1
C102
Capacitor,
.25-1.
5pF, 2000V,
Teflon
Trimmer
B3 C5
C-184
C103
Capacitor,
.25-1.
5pF, 2000V,
Teflon
Trimmer D3 C5
C-184
C104
Capacitor, IIOpF,
500VDC, ±1%,
Silver
Mica D3 C5
C-278-IIOp
C105
Capacitor, IIOOpF,
500VDC,
±5%,
Mica D3 C5
C-236-1100pF
C106
Capacitor,
33yxF,
16VDC, ±10%, Aluminum
Electrolytic
D4 C4
C-321-33
C107
Capacitor,
33/tF,
16VDC, ±10%, Aluminum
Electrolytic
D4 C4
C-321-33
C108
Capacitor,
1/iF,
100V,
±10%,
Polyester Film E4
D4
C-294-1
C109
Capacitor,
^|xf,
100V, -1-10%, Polyester Film
E3
C4
C-294-1
Clio
NOT USED
cm
Capacitor, 2200pF, 500V, Ceramic
Disc
G2
C2 C-22-2200pF
C112
Capacitor,
lOOpF, 1000V, Ceramic Disc D5 C3
C-64-IOOp
C113
NOT USED
C114
NOT USED
C115
Capacitor,
1/iF,
100V,
±10%,
Polyester Film
H4
B1 C-294-1
C116
Capacitor,
4/iF,
100V, 10%,
Polyester Film
G3 B2
C-294-4
C117
Capacitor,
.22/tF,
200VDC, ±10%,
Polyester Film
H3
B2
C-269-.22
C118
Capacitor,
.12/uF,
100V, 10%,
Polyester Film
G4
C2
C-294-.12
C119
NOT USED
C120
Capacitor, 2200^F,
15V,
Aluminum
Electrolytic
D7 B3
C-290-2200
C121
Capacitor,
4.7/iF,
25V,
Aluminum
Electrolytic E7
B5
C-314-4.7
C122
Capacitor,
4.7/iF,
25V,
Aluminum
Electrolytic
E7
B5
C-314-4.7
C123
Capacitor,
470;tiF,
35V,
Aluminum
Electrolytic
D8 B4
C-289-470
C124
Capacitor,
4.7/tF,
25V,
Aluminum
Electrolytic
C5 C3
C-314-4.7
C125
Capacitor,
470F, 35V,
Aluminum
Electrolytic
D8
B5
C-289-470
C126
Capacitor,
IO/eaF,
25V,
Aluminum
Electrolytic
C5 C3
C-314-10
C127
NOT USED
C128
NOT USED
C129
NOT USED
C130
Capacitor,
lOOpF, 1000V, Ceramic Disc A6
B2
C-64-100p
C131
Capacitor, lOOpF, 630V,
25%,
Polystyrene Film C7 C2
C-252-100p
C132
Capacitor,
lOOpF, 630V, 25%,
Polystyrene Film B7
A2
C-252-100p
C133
Capacitor, .0047
/aF,
100V, Polystyrene B5 D3
C-301-.0047
C134
Capacitor, ,12^F, 100V,
10%,
Polyester Film
B4 D3
C-294-.12
C135
Capacitor,
lOOOpF, 500V,
Polystyrene C5 D3
C-138-IOOOp
C136
NOT USED
C137
NOT USED
C138
Capacitor,
VF,
100V,
10%,
Polyester Film
E5
C3
C-294-2
C139
Capacitor,
1/nF,
100V,
10%,
Polyester Film
C5 C3
C-294-1
C140
Capacitor, .047^F, 100V, Polystyrene B5
D2
C-301-.047
CR101
Bridge
Rectifier,
100V, 1.5A
B1
D3
RF-36
CR102
Silicon
Rectifier,
3A, 50PIV, 1N4139
B1
D3
RF-34
CR103
Bridge
Rectifier,
100V, 1.5A
D7 B5
RF-36
CR104
Bridge
Rectifier,
400V,
1.5A D8
RF-46
CR105
NOT USED
CR106
Diode, Silicon,
1N4148
C3
C5
RF-28
CR107
Diode,
Silicon,
1N4148
C3
C5 RF-2S
CR108
NOT USED
CR109
NOT USED
CR110
Diode,
Silicon,
1N4148 H2 A2
RF-28