Advertisement
MODEL 615 ELECTROMETER
KEPLACEHBLE PAKTS
RESISTORS (Cont'd.)
Circ"it
CJesig.
R656
Type
MZF
Mfg.
Code
07716
Keithley
Part NO.
R88-6.9%
Fig.
Ref.
27
R657
6.04 kfi
I%, l/B w
Pie
07716
CEA
R658
Not USed
R659
47 kll
10%, l/4
w
Camp
44655
KC07
R88-6.04K
27
R76-47K
27
circuie
Desig.
9601
Q602
Q603
Q604
Q605
Q606
Q607
0608
Number
%I5139
2N5139
2N5134
2N5134
2N4220
2N4220
T1570
T1570
Mfg.
Keithley
Fig.
Code
Part NO.
Ref.
07263
Z-66
27
07263
W-66
27
07263
W-65
27
07263
X-65
27
04713
TG-42
27
04713
X-42
27
cllZ95
TG-71
27
01295
x-71
27
6609
S17638
07263
lx-33
27
Q610
2N422cl
04713
TG-42
27
Q611
2N5139
07263
W-66
27
Q612
2N4220
04713
TG-42
27
MODEL 4401 OwrP"T BUFFER BOARD (P.C.-218)
REPLACEABLE PARTS LIST
(Refer
to schematic
Diagram
234570 for circuit
designations)
NOTE
On Schematic
Diagram
234571) there
are 15 buffers
labeled
'A'
through
'P' not including
'I'.
Each
buffer
is composed of 4 resistors
and 3 transistors.
A sample buffer
circuit
is given
in the lower
lefchand
corner
of the Schematic.
Following
is a ty,,ical
replaceable
pares
list
for each buffer.
BUFFER RESISTORS (A fhr"
P)
circuit
b8i.e.
RlOOl
8.1002
R1003
RIO04
"ahe
180 k0
3.9 kR
120 kc7
10 k*
Mfg.
Mfg.
Keirhley
Fig.
Rating
Type
Code
Part NO.
Part NO.
Ref.
IO%, l/4
w
camp
44655
RCO7
R76-180K
28
lO%, 114 w
camp
44655
KC07
R76-3.9K
28
lo%, l/4
w
camp
44655
RC07
R76-120K
28
lo%, l/4
w
camp
44655
RC07
R76-1OK
28
BUFFER TRANSISTORS (A thru
P)
Mfg.
Code
Keithley
Part NO.
Fig.
Ref.
91001
Q1002
Q1003
TG-39
x-39
TC-39
28
28
28
MODEL 4401 OLTLT'UT BUFFER BOARD (P.C.-209)
REPLACEABLE
PARTS
LIST
(Refer
to schematic
Diagram
2348X
for circuie
desi@,ations).
circuit
Desig.
Cl101
Cl102
Value
.OOl LlF
.0033 UF
Rating
6OOV
600"
Mfg.
Code
72982
72982
Mfg.
Part NO.
ED-.001
ED-.0033
Keirhley
Part NO.
CZZ-.OOlM
CZZ-.0033M
Fig.
Ref.
29
29
Cl103
,001 pi
6OOV
CerD
72983
ED-.001
C22-.OOLM
29
Cl104
0.1 pF
250"
73445
C280AE/P10OK
C178-O.lM
29
Cl105
100 pF
6OOV
C'2rD
72982
ED-100
c22-1OOP
29
0472R
43
Advertisement
