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HP 5245L Service Manual page 238

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A-655)
(SERtES
430
)
t9.5V
TRANSFER
AMPL
a2
2N383
cR2
+ 20v
to
REFERENCE
DESIGNATIONS
WITHIN
SAMPLING CONTROL
ASSY
ARE
ABBREVIATED;
TO
FORM
COMPLETE
DESIGNATION, ADD
ASSEMBLY
DESIGNATION
A23
AS
PREFIX
TO
INDICATED
DESIGNATION
-+
l9V
!--l--
-
'ou
lt
tt
35mS
SI
TRANSFER
PULSE
Jll
(22)
INHIBIT
SIG
FROM
DR
A22l2l
SAMPLING
TRIGGER
423 SAMPLING
CONTROL
ASSY
HOLDOFF
M
VB
+
t3v
+ t3v
-}
R22
r300
c5
tJV
4.7UF
c6
470
,2V
oll
2N708
IOLDOFF
TRIG
EMIT
FOL
Qlo
t850-0062
PARTOFPF
+20v
v
R27
220
-t5v
RECOVERY
AMPL
1.5V
Q7
2N
383
o
I
R32 @
47oo
I
t9v
43v
t2.5V
DCA
RESET
PULSE
DDA
RESET
PULSE
HOLDOFF
TO
A22
(7)
AND
J6
(43)
NOTES
I.
UNLESS OTHERWISE
NOTED:
CAPACITANCE
IN
PICOFARADS
RESISTANCE
IN
OHMS;
-t5v
R33
4700
2.
FTLLED
souanE
tI)
CONDUCTING ELEMENT
RESET
AND
HOLDOFF
GATE
TRIGGERING
DC VOLTAGES WITH:
SENSIT IVIT
Y_
CHECK
TIME
BASE-
IOMS
FUNCTION
-
MANUAL
INDICATES
AFTER
BUT
BEFORE
START
R3t
r200
c8
4,7UF
i
@
,"
il.5V
COPYRIGHT
I9€5 !Y
HEWI.ETT.PACKARD COMPANY
Thir drowlng
lr
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tho oprrotion
ond
moinlononcr
of
Howlrti-Pockord rqulp-
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REFERENCE
DESIGNATIONS
MANUAL
PART
OF
A3
HOLDOFF
MVB
OMITTED:
A23
R15,R2I
o5245 -
0-
29AgC

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