HP 3320A Operating And Service Manual page 113

24
FROM XAI7 PIN B
24
FROM XAI7 PIN 7
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03326-~6-;2-0---
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MOTHER -
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PANEL
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(STANDARD, OPTIONS 001,002 AND006,"A
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MODEL ONLY)
g~t2~~66519
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XAI PIN J
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FOR SWITCHING ' : 21 "
3 TLiO NE
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1,
TO XA3 PIN R
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TRUTH TABLE ,
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RANGE :
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13
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1
r,--"IOO=K",H=-,-,-R,-=A"N=-GE=-~IO>-+TO
XA4 PIN
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IC5
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SEE
3
I OH, RANGE
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14
:
N~TE I-I-:=:'~O:O~H'~~R~A;N;GE~=~
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TO XA5 PIN
14
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J ' I TO XA6 PIN
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1 2 "
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2
14
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+
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128 (OPT 006 ONLY)
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'59
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DS2=IOMHz,IOKHz or 10Hz RANGE LIGHT
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OS3;IOOKHz or 100Hz RANGE LIGHT
: DS4:IOOOKHz or 1000Hz RANGE LIGHT
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1--2..3~4
: ; .
>--:-TO XAI PIN C
23
r '
, 6 'C4
> ' - - - - - - - - - - - - - - - 7
X I TO XA7 PIN 14
23
: : I
I :
R2 ~
)180» : I (IOE )19)---t-TOXAI PINF
23
~
:;. . : ' (a E )W>--+-TO XAI PIN H
23
Vi~R!
+5V fi
---7:
2; i
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+5V
p:~;+:
:::
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FREQUENCY ) ' (
'--L
23
IFRONT PANELI
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22
4
6) 1 24 Y /iTO XAI PIN 7
. l
(26 Z )--+-TO XA' PIN 9
23
- -
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902
XA20a
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24
FROM XAI7 PIN R
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: ( 4
~+5V
:
NO CONNECTION I ( 5
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: I
NO CONNECTION
r
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~: ~
,
cili :
(11~-15V
L '
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~
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<2~-5V
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L- - - - - - -
-3320A-E-2552A
1
Figure 7-9. Panel Interface A20; 3320A Standard, Options 001, 002, 006.
7-19/7-20