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HP 3455A Operating And Service Manual page 192

Digital voltmeter
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NOTE
1
The
Signature
Analyzer
Controls
Should
Be Set
As
Follows
For
This
Test.
LINE
ON
(IN)
START
"X.
(IN)
STOP
y
(OUT)
CLOCK.
y
(OUT)
HOLD
OFF(OUT)
SELF
TEST.
.
.
.OFF (OUT)
^ S^i
J
Turn
The
Instrument
OFF.
Disconnect
The
Test
Jumper
On
The
A3
Assem-
bly.
Disconnect
The
Plug
From
A1J7.
Set
All
HP-IB
Address Switches
To
The
"9"
position
(down).
Turn
The
Instrument
ON.
Proper Operation
Of
The
Outguard
Test
Routine
Is
Indicated
By
A
Number
Or
Character
Being
Strobed
Across
The
Display
And
The
Front
Panel
Enunci-
ators
Being
Alternately
Lit-
NOTE:
The
ALU
Circuitry
Is
Working
Correctly.
i
Go
To The
Device
Select
Troubleshooting
Pro-
cedure.
3455-B-I7
Figure 8-H-20. Preliminary
Outguard
Troubleshooting Procedure Diagram.
8-119/8-120

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