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616
MODEL
7-1.
REPLACEABLE PARTS LIST :
a l i s t of components used in this instrument for
user reference . The Replaceable Parts List describes
the individual parts giving Circuit Designat ion ,
Description, Sugge sted Manufacturer (Code Numbe r ) ,
A
CbVar
CerD
Ger Tr immer
Comp
DCb
Desig.
EAL
Electrolytic , Aluminum
ETB
E l e c trolytic , tubular
ETT
E l e c t rolytic , tantalum
7 - 2 .
ELECTRICAL SCHEMATICS AND DIAGRAMS .
and d iagrams are included to describe the e lectrical
c ircuits as discussed in Section
7 - 3 .
HOW TO USE
THE REPLACEABLE PARTS LIST .
Parts List is arranged such that the individual types
of components are l isted in alphabetical orde r . Main
Chassis parts are l i s ted f o l l owed by printed circuit
boards and other subassemb l ies .
7-4 .
HOW
TO ORDER PARTS .
a.
Replaceable parts may be ordered through the
1175
S ECT I O N
This sect ion contains
Abbreviations and Symbols
ampere
Carbon Variable
Ceramic Disc
Ceramic Tr immer
Composit ion
Deposited Carbon
De s igna t ion
Schematics
4 .
Electrometer Amp & Range Switching
Supply
Power
LSI Circui t , Digital Logic & Display
Autoranging Amplifier, Integrator, Threshold
Isolated Output/Control
Isolated Output/Control
Isolated Output/Control
Isolated Output/Control, Power Supply
7.
R E P LA C E A B L E
Manufacturer ' s Part Number , and the Keithley Part
Numbe r .
whe re applicab l e .
each Manufac turer is l i s ted in the CODE-TO-NAME
Listing, Federal Supply Code, Handbook
7-I.
TABLE
a
a
F
F
r
d
Fig
Figure
GCb
G l a s s enclosed Carbon
( 10
3 )
k
kilo
( 10 - 6 )
�
micro
( 10 6 )
M
Meg
Mfr.
Manufacturer
MtF
Me tal Film
My
My lar
No .
Number
S a l e s Service Department , Keithley Instrumen t s , Inc.
or your neares t Keithley representative .
h .
When ordering parts , include the f o l l owing
information.
1 .
This
Instrument Mod e l Number .
2 .
Instrument Serial Numb e r .
Part Description.
3 .
4 .
Schematic Circuit Des ignation.
5 .
Keithley Part Numbe r .
c .
A l l parts listed are maintained in Keithley
Spare Parts Stock.
available upon reque s t .
Keithley Manufacturing Code Number
ordered direc t l y from Keithley Instruments , Inc.
7-2.
TABLE
Schematic Diagrams
Det .
PARTS
A l s o included is a Figure Reference Number
The comp lete name and address of
n
p
PC
Poly
Re f .
TCu
V
W
WW
WWVar
Any part not l i s ted can be made
Parts identified b y the
Schematic No.
25764E
25777D
25778E
257760
257150
25716D
25717C
25823C
REPLACEABLE PARTS
H 4-2.
ohm
( 10 - 1 2 )
pico
Printed Circuit
Polys tyrene
Reference
Tinner Copperweld
volt
watt
Wirewound
W irewound Variable
80164
should be
37
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