HP (Hewlett-Packard) 3490A Car Stereo System User Manual


 
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HOLO
L
PIN 47
EXTERNAL
ENCODE
L
PIN 46
HOLD
L
PIN 29
EXTERNAL
ENCOOE L
I
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J
coNNEcroR J6
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J7
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AC TRIGGER
INPUT PIN
8
STRETCHE
D
PULSE OUTPUT
PIN IO
S/H
TRIGGER
L
PIN 9
22K
R8
I?K
OPTION
o40
TI
,-'i
c4
o.ool
wro
a
Jumper Removed
And
Tronsformer
Added lf
Sample
Hold
Oplion ls
Inslo I led
TO
REMOTE INPUT
CONNECTOR J7
A
Rto
IK
o
FROM
POWER
-
TRANSFORIVIER
14
Figure
7-31.
Schematic
Dagram, External
Trigger
Circuits,
A8, A22, A29,
A37.
SAMPLE
/
HOLD
TRIGGER
CIRCUIT
7411142