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HODEL 1793/6423
REPLACEABLE PARTS
SECTION 6.
REPLACEABLE PARTS.
6-1.
GENERAL.
6-2. This section contains information for ordering
replacement
parts.
The
Replaceable Parts
List
(Table 6-1) is arranged in alphabetical order of the
Circuit Designations of the components.
A Cross-
Reference List of Manufacturers, containing their
address, is given in Table 6-2.
6-3.
ORDERING INFORMATION.
6-4.
To place an order, or to obtain information
concerning replacement parts, contact your Keithley
representative or the Factory. See the inside front
cover for addresses.
When ordering, include the
following information.
a. Equipment Model Number.
b. Part Description.
c. Circuit Designation (if applicable).
d. Keithley Part Number.
6-5.
SCHEMATIC.
6-6. Model 1793/6423; Schematic No. 30386D, Page
6-7.
COMPONENT LAYOUTS.
6-8.
Physical locations of parts are shown in the
following component layouts.
TABLE 6-1
Replaceable Parts List
Ci rcuit
Schematic
PO-Board Location
Mfr.
Mfr.
Keithley
Desig.
Description
Location
1793
6423
Oode
Desig.
Part No.
AT501
10, Optically-Ooupled
Isol ator
0-6
E-3
F-3
F-I
FOD 820
10-82
AT502
10, Optically-Ooupled
Isolator
0-5
E-3
F-3
F-I
FOD 820
10-82
C501
Oap, 4.7mF, 35V, EAL
A-4
D-2
E-2
ITT
TAPA 75
4.7yFK20
0-179-4.7
C502
Oap, 4700yF, 16V, Ea
0-3
D-3
E-3
OAI
0SD4700-
16-1
0-290-4700
C503
Oap, O.lpF, 16V, OerD
G-3
0-4
D-4
OLB
UK16-104
0-238-.1
C504
Oap, O.lyF, 16V, OerD
E-3
D-4
E-4
OLB
UK16-104
0-238-.1
C505
Oap, O.lyF, 16V, OerD
D-4
D-4
E-4
OLB
UK16-104
0-238-.1
0506
Oap, O.lyF, 16V, OerD
F-1
D-4
E-4
OLB
UK16-104
0-238-.1
0507
Oap, 22pF, 500V, OerD
0-5
B-5
D-5
OLB
DD220
0-22-22p
0508
Oap, 22pF, 500V, OerD
D-5
0-5
D-5
OLB
OD220
0-22-22P
0509
Oap, 4.7wF, 35V, IK.
E-5
D-5
E-5
ITT
TAPA 75
4.7yFK20
0-179-4.7
0510
Oap, 0.02yF, 500V, OerD
B-3
B-3
0-3
ERI
811-00025
U0203H
0-22-.02
0R501
Bridge Rectifier, Silicon
B-3
D-3
E-3
G-I
W04-M
RF-46
0R502
Diode, Silicon, 75mA, 75V
B-4
0-3
D-3
T-I
IN914
RF-28
0R503
Diode, Silicon, 75nA, 75V
H-4
0-3
D-3
T-I
IN914
RF-28
0R504
Diode, Silicon, 75mA, 75V
H-5
0-3
B-3
T-I
IN914
RF-28
0R5O5
Diode, Silicon, 75mA, 75V
E-5
D-5
E-5
T-I
IN914
RF-28
F501
Fuse, Slo-Blo, 1/8A, 250V,
SAG
B-2
B-3
0-3
BUS
MDL
FU-20
6-1
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