HP 6296A - Page 9

Page
6 -
HP
PIN
06296-90001
changes - continued
CHANGE
21
In the replaceable
parts
list,
change the
HP
PIN's
for
the
binding
posts
and
associa~ed
hardware
to
the following:
Red
binding post,
qty.
2,
1510-0091;
Terminal
lug,
qty.
2,
0360-0042; Lockwasher,
qty.
2,
2190-0079;
Nut,
qty
2,
2500-0001;
.Black binding post,
qty
1, 1510-0107;·'·
Terminal
lug,
qty.
1,
0360-1190;
Nut, qty.
3,
2950-0144.
.CHANGE
22
In the replaceable
parts
list
on
page
6-7,
change
S1
(previously changed
in
Change
5)
to
HP
PIN
3101-2456.
On
page
6-5,
change
Q40
to
HP
PIN
1854-0458.
CHANGE
23
• 'fllis
change
also
applies
to
units
with
serial
numbers 2114A-4177; 4190,
and
4240.
In the
replaceable
parts
list
and
on
the
schematic
for
the overvoltage
protection
crowbar,
make
the following changes:
Change
C2
(added
in
Change
20)
to
2.2
uF,
20
V,
HP
PIN
0180-0155.
Add
C3,
fxd
cer,
0.01
uF,
10S,
100
V,
HP
PIN
0160-4832. .
It
is
to
be
mounted
between the
cathode
or
CR1
and
the
anode
of
CR2.
Change
CR4
to
a
two
junction
stabistor,
HP
PIN
1901-0701.
CHANGE
24
In
the
replaceable
parts
list
on
page 64),
change
R605
to
6.8
k,
HP
PIN
0757-0750.
CHANGE
25
In the replaceable
parts
list,
page 6-7
add
the following mechanical assembly; Barrier
Strip
Guard
Assembly
HP
.PIN
5060-2862, qty
1.
CHANGE
26
In
the
replaceable
parts
list,
page 6-5,
change
Q400
to
HP
P/N
1854-1124
QTY
1,
and
Q303
to
HP
P/N
1854-1017.
6
•
CHANGE
27
In
the replaceable
parts
list,
change
th.
part
number
for the bias transformer
from
H
P/N
9100-2184
to
HP
P/N
9100-4751.
Note
that
the primary wiring colors
have
changed,
the white/grey
is
now
black/yellow
a1:ld
the
grey
is
now
black.
See
the
figure
below.
Figure
28a
•
Transformer
Q:innec:tions
For
115
v.c
0Pltl11on
-
··-
..
-
~
-
~:y~-~
=---
··-·~
...
,
........
'-
CHANGE
28
In
the replaceable
parts
list,
change~
Q40.
from
HP
P
/N
1854-1124
to
HP
PIN
1854-0!158.
CHANGE
29
In
the replaceable
parts
list,
change
the
part
number
for
Q851
from
HP
PIN
185!~-0221
to
HP
PIN
1854-0229.
CHANGE
30
In
the replaceable
parts
list,
change!
Q400
to
HP
PIN
06296-80004.
Use
this
part
r.tumber
for replacement
on
all
units.
•