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MAI{UAT BACKDATII{G
CHANGES
MODEL
46TA1462A
WIDE
BAND
AMPLTtr'IER
Manuar
seda,
Pre,ired,
|il
[131i]
-hp- PaIt No.
00461-90002
Thls
manual
backalating
sheet
make6
this
manual applicable
to earlier instru-
ments.
Instrument-component values
that
diller
from
those
in
the
mamal,
yet are
not
listed in
the backdating
sheet,
should
be
replaced
using
the
part
mmber
given
in the nanuar.
InstNment Serial
Pretix
Make Manual
Changes
Instrument Serial
Prefix
Ma.ke
Manual
Changes
421
U62A\
2
414
U62A\
34? (4624)
2,3,5
418
(46lAj
CHANGE
#1
Models
461A1462A
346 (461A)
Y
Y
CIIANGE
+2
CHANGE
#3
CI{ANGE
#4
Figure 5-13,
Schematic
Dia$am,
and Section
LI,
Replaceable
Parts:
Change Q4
thorgh
Q8
to
ltansistor,
silicon,
NPN; -hp- PaIt
No.
1854-0031.
Change R1?
to
R: fxd,
330
f}; -hp-
Part No.
0683-3315;
and
remove
asterisk.
Change R24
aDd
R31
to
R:
{xd,
330
A; -hp- Part No.
0683-3315.
Change R29
to
R29*;
R: lxd,
5.6 0; -hp- Part No.
0683-0565.
Section
VI,
Replaceabte
Parts:
Chanea
Q4 tbrough
Q8
io TFnsistor, silicon, NpN; -hp- Part No.
1854-0031.
Figure 5-13,
Schematic
Diagram,
and
Sectlon
VI,
Replaceable
Parts:
Chanp.p
Rl?,
R24,
and
R3l ro
R:
330
a
5;:
-hp- Part
No.
0683-3315.
Cl€nfe
RlS
ro
R:
5.6
A +b!6,
-hp-
Parr No.
0683-0565.
chanae
R39
to
R:
39
o
+5%i
-hp-
Part No.
0683-3905.
Change R45
to
R:
22
O +5%;
-hp-
P:Ld
No.
0683-2205.
FiAlre 5-13,
Schematic
Diasnm,
and Section
vI,
Replaceable
Parts:
chansa
R39,
R45
to
R:
240
o
+5%;
-hp'
Part No.
0683-2415.
changc R31
to
R:
330
a
+5%;
-hp-
Part No.
0683-3315.
Deletc
C35*.
Figure 5-13,
Schematic
Diagram,
and
Section
VI,
Replaceable
?arts:
Change
C11, C15, C1?, C20,
and C23
to
C:
2.2
I.l,
20
e; -hp- Pari
No.
0180-0155.
CIIANGE
//5
v
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