HP 6236A Operating And Service Manual page 36

TURN-ON/TURN- OFF
,~----,REFERENCE
AND BIAS SUPPLY-----....... , , - - - CONTROl.
CIRCUIT~
+20V .... ~-
CR41
R43
0.1
10%
3W
C21 +
SEE
TABLE
NOTE 10
FOR
6237A
ONLY
C22
+
t
fjccw,
fVO[fAGEl
6.8/ R41
~
R5035 V
~~K
OR
SEE 18,5% VOLTAGE
TABLE
1/2W
+18V
~ R43
R42
CR42
i~~LE
-6.2V
C
Z~
:~~_~
12AV
Q)jD
+7.5V
- - 6.2V
LQJ
~
R62
11K
~
R63
3.6K
VR2
2%,1/8W
VA
9V
R65
16.2K
CR.9
r:;:
R61
R64
240
11K
M
013
vB
R60
015
SD
15K
12.4V
+
C31 ;;::
SEE
TAElE
NOTE
NOTE 10
R45 10
FOR
R49
2t<
6237A
6236A
750
ONLY
ONLY
t
R48
I,
SEE
TABLE
r
~ZI-K
1 IIOK
L
;I~W
1
r
lZ1-J
1 IIOK
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J5%
31/8W
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7
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62V
R66
470
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7.5V
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12
CUR.COMP
AMPL.
1
~55~
-12.4V
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I~iw
1
VOLT. COMP.
CP5
............
---JI/\/\r---~
AMPL.
yA3 -
--II~51
C24 8 2 1I0K
01 -124V
200V
T
+75V R52
139 R47
23K
1
W
JI R46
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. . .. . - -
....,~ ~TE"-----"""
[ II
9
~~~
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~
NOTE
5
cw
9
CR47
CR49
R70
SEE
TABLE
R54
SEE
TABL£
08
' - - - DRIVER
'~v.-'A---------O
TO '1-20 VOLT
REGULATOR----------~,
R55
SEE
TABLE
+C33
~
i'
490
3~3p2F
85V 500V
7~
QI2
CR,57 6 8 '
+1,
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R67
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N~2
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!
SEE
TABLE
~:~~
b,.QII
TABLEf .
(f \)
'Y--._--..-..------....--..--. . . . . . . . . .
- -.+-------4--......L--------
CR51
~ ~
TABLE
~ 0 TO 1-6 VOLT REGULATOR f6236AJ ....... ,
J;©
'VA
0 TO 1-18 VClT REGULATOR (6237AJ
GYl
......
------1---.~-
....
------------------____1----.... - . . . . .
- ---____1-~a
OR
~
CR!50
CR52
CR56
"
C30
~V
~R53 ~ +~~~~
6237A TAB...E
OR.Y
C28 J4
.05
/~
4fX:N
NOTE 10
II'
NOTE
10 C29
FOR .05
6236A
4(X)J
ONLY
I
1 TI 7
r-=-I
R72
33K
L~
6
5%
C34
J 1/2W
8
,,-.0.1
250V
9;"
I
2 9
3
ZI-A
612
0.5%,1/8W
r--_---:.:.. 17 1J1Nr.--'v-',...:.4_ _-.
Zl-G
~~:
3.26K
TABLE' 1%,1I8W
9---,10
~ -O~O+6V S~A
(OR+18V)
I
OTO +20V S2ARI
02 /o----~-flJ ......
o TO
~
R58
~
VOLTMETER
Zl-H 3 250 WAOJUST
12.26K
""',l/ew R71 R56
......-_ _ 8:=-=" 471 270
-20V .... - - - - - - - < 1 ' 1
6
+6V
OR
+18V
S3
LINE VOLTAGE
SELECTOR SWITCH
,..--- 240V-----,
r - - 220V----,
r--120V-----,
r-IOOV....,
L.......o
5
V' D -
S
_
2AR 2
- - - - - ' -
,.----METER CIRCUIT·-----..... ,
+
V MI t
R73
SEE TABLE
+7.5V ......
--~I\r---
.....
Zl-E
5.!3!~4
-12 .4V .... -----<~~--
....
1%,I';ew
ZI-B OT025A
612 (OR IA) S2B
.5%,1/8W
0 TO
1
......-_....:..7=--=--=16
r+
O
5A 32 V S2BRI
CR60
:i,~ 96.~:f
-12.4V
--+...
I
J 3 - -
flJ
CW
R59
~
AMMETER
250 UAOJUST
CRII
RI5
10K
5%
112W
RI4
510
5-.4
IW
-6.2V
R3
0.1
10%
3W
CRI
J1
~-----4.....,J
[2
~
-o5o
V
S2BR2
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6 ,-
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17-+r.N-V\,...,~2--
. ...
C9
.05
400V
CRI2
..i
CI
T
180
50V
1
Zl-F
251K
1%,1/8W
+
7. 5 V ....
_...;.;8::...+=I\I~VV-:....=2=--_~
CR21
R23
0.25
10%
3W
R28
'3 1.25
t
~~%
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..........
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~ O
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W
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,{~~
c.!CII
AMPL.
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~
1/8W 7 rl'180
1
9
8 + 5 -12.4V 50V
. . . . - - - , +7.5V EJR22CR23
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5
1
~60~33
2
~~~
5% BEAD CR25
~
200V -
1/2W CR26
1 ,
fJ
~}'
04
~'i'
R33J
GJ7E
10
+~3_-------.._---_.
DRIVER CR28 15K
f
®
P/O U2
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Z'-L
t7.5V
V~~~p.
CI2
+
r;~W
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I
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6.8
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l
~
1/4W
35V
~
L - - -.....- ......- - -....- - - - - - - - - - - - - - - - - - - -.....
----...-----4
...-~O
MODEL
6236A 6237A
CR31
OTOt20VATOTO 0.5A
o
TO t20V AT 0 TO 0.5A 13
OUTPUTS
oro
+6V AT UP TO 2.5A
o
TO +18V AT 0 TO lA
C21
1000 F 12V 18Q.F 50V
~bt-f'
C27 5600,-F,25V 3000ILF,40V
400V
C31
0.47 F,35V 0.15,.F,35V
14
R42 866 K 1% 1/8W 2.87K 1% 118W
CI91
R48
0.25 1/2%,5W 0.625, 1/2%.5W
R50
330 1%,1/8W
3.83K,I%,1/8W
.O~T
R54 50, 5%,IOW
135 5% lOW
400V
CR32
R55
2.2K 5% 1/2W IIK,5%,'/2W
15
R67
135 5% 3W
2205% 2W
'6
R68
250 5% 3W
490,5%,3W
r7
CI7
+
R69
100 5% lOW 150 5% lOW 1450 f'
R70 40, 5%.5W 75 5% 5W 45V
R73 NOT USED
1.1 M 5% 1/2W
R74
JUMPER INSTALL ED
6.98K, 1% 1/8W
Figure 7-1_ Models 6236A and 6237A, Schematic Diagram