Section V
Model 7475A
ITEM4
Date
code
2420-11
introduced a design
change
that
eliminated inductive voltage spikes
in
the
motor drivers
when
the
plotter
was
switched
off.
The
part
numbers
that
differ from those listed
in
Section IV are:
REFERENCE
DESIGNATOR
AlDSl-2
A1DS3
AlE3
AlE6
AlE14-19
AlE21-23
A1H3-6
A1H9-12
MAIN PCA, HP-IB, OPTION 002
PART
NUMBER
1990-0485
1990-0487
1200-0567
1200-0654
2110-0597
07470-40038
0515-0055
0535-0031
DESCRIPTION
LED
LED
SOCKET
SOCKET
FUSEHOLDER
SPACER
SCREW
NUT
ITEMS
CHECK
DIGIT
5
7
1
7
7
6
8
2
Serial
number
prefix 2325A is
the
original serial
number
prefix
of
the
plotter
at
the
time
of
product introduction. Except
for
the
following
part
numbers, all plotters with
the
serial
number
prefix 2325A
have
the
same
parts
as
those listed
in
Section IV
of
this
manual.
REFERENCE
PART
DESIGNATOR
NUMBER
7475-A-80-1
16
1460-2023
1460-2029
1460-2030
39 5040-8666
46 5040-8667
DESCRIPTION
SPRING-SILVER
2.54
CM-L
SPRING-COPPER
3.0 CM-L
SPRING-CHROME 3.33
CM-L
ARM-PINCH
ROLLER (LEFT)
CHASSIS
Partial
Diagram
of
Model 7475A Exploded View
5-4
CHECK
DIGIT
8
4
7
1
2
-~
I
I
31
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