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INSTRUCTION
MANUAL
REPLACEABLE
PARTS
Digital Multimeter
Models
172A.
173A
VOLTAGE RE;ULATORS (VR)
~nOoo~~ SERIES
(Schematic
29145E)
(PC-Board
446)
Circuit
Mfr.
Mfr.
Keithiey
Oesig.
Description
Code
Desig.
Part
No.
VROOI
VROOZ
VRO03
VR004
VR60I
~~602
VR701
VR801
WI01
WI02
w201
w60 I 5:
w701
YYOI
+5V,
3-Term,
TO-220
. . . . . . . MOT
MC7805CT
+15V,
3-Term,
LO-Power.
. .
. MOT
MC7915CT
l5V,
CASE TO-220.
.
MOT
Voltage
Regulator
+8ii,'c&
iOl9i
NAT
MC7815CP
LM340LAZ-8.0
"600"
SERIES
(Schematic
29145E)
(PC-Board
446)
IC-93
III-174
I c-96
IC-164
Zener,
6.3V,
(Matched
Set).
.
. K-1
_----
Zener,
Diode,
6.4~.
. . . . .
SIE
IN4571
"700"
SERIES
(Schemaric
29145E)
(PC-Board
4i6)
28959B
DZ-60
Zener,
Diode,
5.1V.
. . .
.
;IOT
T 'I 7 5 1
"800"
SERIES
(Schematic
29145E)
(PC-board
446)
oz-59
Zener,
Diode,
12v . . . . . .
DIG
1 N9633
JUMPEPS (W)
"100"
SERIES
(Schematic
29145E)
(PC-Soard
4;6)
w-54
Jumper,
Circuit
. . .
.
.
K-l
_----
Jumwr,
Circuit
.
. . . . . .
K-I
_----
"200"
SERIES
(Schematic
29145E)
(PC-Boarc
446)
J-3
J-3
Jumper,
Circuit
K-l
_---_
. . . . . . . .
J-3
"600"
SERIES
ischenatic
29145E)
(PC-Board
4463
Jumper.
Circuit
(Hatched
Set)
---
_--_-
289598
"700"
SERIES
(Schenatic
29145E)
(PC-Board
446)
Jumper,
Circuit
.
.
K-l
_----
J-3
CRYSXL
(Y)
"100"
Series
(%I.
29145E)
PC-Board
426)
Crystal,
Quartz.
669
kHz
NEL
NE335PD
CR-9
;y Supplied
only
when necessary
to short
R611D.
7-27
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