•
••
MANUAL
CHANGES
Model
6209B
DC
Power
Supply
Manual
HP
P/.N
06209-90003
5/2/89
Make
all
corrections in the
manual
according
to
errata
below,
then check the following table
tor
your
power
supply
serial
number
and
enter
any
listed
changes(s)
in
the
manual.
----------------------~----------
SERIAL
I
MAKE
I
I I
:----------------------:
CHANGES
: .
:
Pref
ix
I
Number
I
----------·-------------:---------:
All
I
Errata
I
7F
1467-1606
I
1
I
7F
1607-1816
I
1,2
I
1147A
1817-1866
I
1,2,3
I
1147A
1867-2166
1-4
1147A
2167-2816
1-5
1147A
2817-3066
1-6
1527A
3067-3916
1-7
I
1721A
3917-4936
1-8
I
1930A
4937-5596
1-9
I
I
2042A
5597-6471
1-10
I
t
2230A
6472-6521
1-11
I
I
2239A
6552-6751
1-12
I
I
2323A
6752-6991
1-13
I
..
2403A
6992-7021
1-14
'
I
2409A
7022-7231
1-15
I
I
2"6A
7232-8521
I
1-16
I
I
'
2446A
8522-8541
I
1-17
'
I
2838A
8542-up
I
1-17
.
I
-----~----------------------------
ERRATA:
In the replaceable
parts
table
make
the
fol-
lowing
change:
R38:
Change
from
"selected"
resistor
to
nominal
value
30
k,
_112
W,
A.B.,
HP
P/N_0686-3035.
On
page
3-5, delete the
bottom
halt
ot
Figure
3-9 (Auto-Series,
Three
Units).
Note
that
the supply should not
be
operated
at
more
than
300
volts
above
ground.
CHANGE
1:
In the replaceable
parts
table,
make
the
fol-
lowing change: Terminal
Strip:
Add,
HP
P/N
0360-0401.
ERRATA:
On_
the
title
page,
change
the
HP
PIN
of the
manual
to
06209-90003.
Page
5-8, paragraph
5-46,
Step
g:
Change
"66mVdc"
to
"3mVdc".
.Page
5-8, paragraph
5-48, Step
i:
Change
"66mVdc"
to
"3mVdc".
In
the replaceable
parts
list
change
CR26-29:
Change
to
HP
PIN
1901-0330.
Add
C26,
fxd
elect.,
20uf, +75-10j,
16VDC,
HP
PIN
0180-0300.
CHANGE
2:
In
the replaceable
parts
table,
change
power
transformer
T1
to
HP
P/N
5080-7183.
CHANGE
3:
The
Serial
Prefix
ot
this
unit
has
been
changed
to
1147A.
This
is
the only
change.
CHANGE
4:
The
standard colors for
this
instrument are
now
mint
gray
(for
front
panel)
and
olive
gray {for
all
other external surfaces).
Option
X95
designates use
of
the
former
color
scheme
of
light
gray
and
blue gray.
Option
A85
designates
use
or a
light
gray
·rront
panel with·olive
gray
used
for
all
other ex-
ternal
surfaces.
New
part
numbers
are
shown
on
next page.
ERRATA:
Change
the
last
line
of
paragraph
5-28
to
read:
"which
is
100
mA."
Change
the
component
values
in
the contact protection
network
in
Figure
5-6
to
.001
uF
and
450
ohms.
In the parts
list,
change
HP
P/N
of rubber
bumper
(qty
4)
to
0403-0002.
In Table 1-1,
change
the
INTERNAL
IMPEDANCE
AS
A
CONSTANT
VOLTAGE
SOURCE
(Output
Impedance)
specification
to
read
as
follows:
Output
Impedance
specification
to read as
follows:
Mput
.
Impedance
(Typical) :
Approximated
by
a
20
milliohm resistance in
series
with a 1 microhenry inductance.
CHANGE
5:
Change
R49
to
30
k,
10
W,
HP
P/N
0811-1918.
CHANGE
6:
In
the parts
list
and
on
schematic diagram,
make
the following changes:
R14:
Change
to
6.8
ohms,
+/-5S,
112·
W,
0698-5525.
R15:
Change
to
150
k, '+/-SI,
2
W,
0764-0049.
NOTE:
Four
instruments
from
a previous run
have
CHANGE
6 incorporated.
The
serial
num-
bers are:
1147A-02793,
02795,
02796,
and
OZ797.
---
----~
r-CALL
CENTER
LIBRARY
I
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11111
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Ill\
Ill\
2400013143
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