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HP 5245L Service Manual page 214

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Model 5245L
REFERENCE
DESIGNATIONS
At8
c3
cRt-
t9
DSr-6
Q
l-il
R t-71
VI
OMITTED:
cR
9,
lo
DS5
R3-5,23,
31,39,
47, 50,
62
DELE
T
E
D:
R25,
33,
41,
49
Cl,2
NOTES
I.
UNLESS OTHERWISE INDICATED:
RESISTANCE
IN
OHMS;
CAPACITANCE
IN
PICOFARADS
2.
REFERENCE DESIGNATIONS
IN
PARENTHESES
INDICATE
LIGHT
DESTINATION FOR
DSI-
DS4.
LIGHT
SOURCE
IS
NOTED
NEAR
EACH
VI
SECTION
3.
FOR
DSI-
DS4,
SECTION. A.
LIGHTS ON
.'I"
;
SECTION
B
LIGHTS ON
''O,,
4.
FILLED
SQUARE
(
I )
IIIOICATES
CONDUCTING
ELEMENT
FOR
DECIMAL
"O''
(BCD
..OOOO..)
5,
OUTPUT
CODE:
OPTION
03:
l=
-8V,
O=
+l8V
WAVEFORMS
TRUTH
TABLE
DIGIT
4
LINE
CODE
(O'
+,
l=
-)
RELEVANT
STAGES
VI
BINARY
D
c
B
A
D
c
B
A
o
o
o
o
o
KPRT
I
o
o
o
FMQT
2
o
o
I
o
HNRT
3
o
o
I
EMQT
4
o
o
o
JPRT
5
o
o
DLQT
6
o
I
o
GNRT
7
o
I
I
CLQT
I
I
o
o
o
BS
9
o
o
AS
QI
COLLECTOR
+
INPUT
IO
O3-O4 +
Q5
COLLECTOR
+
INPUT
TO
Q5-Q6 -+
Q5
COLLECTOR
+
INPUT
TO
Q7
-+
FEEDAHEAD
FROM
QI
COLLECTOR
TO +
Q8
BASE
COLLECTOR Q7
OUTPUT
ANO-BIAS
+
TO
DIODE
IN Q3-Q4
INPUT
CIRCUIT
o524s
-0-56
02349-
1

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