Hewlett-Packard 450A Operating And Servicing Manual
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---./
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en
o
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~
8-
(ll
-
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RI9
56K
10UTPUTI
C6
20UF
!).
R29
150
RI8
10K
3RD
AMPL
V3
5654
~
RI7
IMEG
C4C
10UF
CII
@
1.5/7
(FREQ.
RESPONSE
AOJUST)
C5
.22UF
RI5
15
K
!).
C4a
10UF
RI4
47K
D
.C4A
-,'
10UF
2ND
AMPL
V2
5654
~r-
RI2
200
RII
~
RI3
I
MEG
S
220
C2c
10UF
C3
.22
UF
® j +
R6
2500
(GAIN AOJ)
R9
10K
RIO
2200
R8
47K
D
+.1.
C2A
-TIOUF
R3A
1625
R3a
150
CI2
390
(NOTE
3)
OIGAINI
20
OB
RI
I
MEG
SI
40
OB
1ST
AMPL
VI
5654
~
..
CI
.22UF
IINPUTI
o---l~
1"\
R2
I
@]
220
§
.-
I
.-
C8C°..l:
C80..l:
20UF
~
20UF
'T_
R26
82K
+210 V (REGULATEO)
R23
~
R24
10K
~
33K
R25
(NOTE 4)
RI6
1500
R28
680
REGULATOR
AMPL
V6
6AV6
~DC8a
:r-
20UF
R21
500
V2
C8A!).I+
20UF
+390V
+6.3
V
!).
RECTIFIER
V4
5Y3GT
2 3
325
V
RMS
325V
RMS
~
6.3)
RMS
~
V5
=?
V6
TI
BLACK-
GREEN
BLACK
BLACK-
YELLOW
BLACK-REO
115V
115V
~
":"
IFUSEI
§]
FI S2
RO
"'"
I
'0
.......
"'"
I
.-
o
NOTE
I.
FOR
OPERATION
ON
230
VOLT
LINES,
REMOVE
115
VOLT
JUMPERS
AND
AOO
230
VOLT
JUMPER.
NOTE
2. UNLESS OTHERWISE INOICATEO, RESISTANCE
IS
IN
OHMS, CAPACITY IN UUF.
NOTE
3.
ELECTRICAL VALUE SELECTEO
FOR
BEST HIGH
FREQUENCY RESPONSE.
NOTE
4. ELECTRICAL
VALUE
SELECTED
FOR
t210V
~5V
REGULATEO
Bt.
Figure
4-6.
Schematic
Diagram
Model 450A
~C/)
oq(ll
c:
()
~
g.
"",=:I
1-
0-<