iable
Figure
3- 8
3-9
LIST OF ABBREVIATIONS
..
COLOUR ABBREVIATIONS
..
Model 3720A
..
3-4
..
3-50
..
3-49
P
3-
1
3- 2
3-
1
Replaceable Parts
..........
Code List of Manufacturers
.....
Location of cabinet components
..
SECTION
IV
SYSTEM TROUBLESHOOTING
........
........
..
I
Paragraph 4-1
4-3
4-8
4-12
4-14
4-16
4-
1
9
4-2
1
4-23
4-25
4-27
rable 4- 1
4-
2
4-3
4-4
4-5
4-6
4-7
4-8
Figure
4- 1
4-2
4-3
4-'4
4-5
Paragraph 5-1
5-3
Figure
5-5
5-9
INTRODUCTION
....................
USING TROUBLESHOOTING SECTION
..
TEST EQUIPMENT
..........................
4-10 Logic Probe
.............................
SYSTEM TROUBLESHOOTING CONTROLS SET-UP
FLOW A
.
Control Faults
FLOW B
.
Display Sensitivity Faults
............
FLOW
C
.
Data Transfer Faults
,.
FLOW D
.
Other Transferred Signals Faults
FLOW D(a)
.
Timescale Transfer Faults
FLOW D(c)
.
Signal Recovery Transfer Faults
......................
........
........
............
FLOW D(b)
.
Gain Correction Factors Transfer Faults
..
......
Flow charts
..................................
3721A/3720A System repair procedure
............
Test equipment required for System Troubleshooting
..
Range transfer check
..........................
Range data logic check
....
...
Ti mescale transfer check
..............
Gain correction factors check
..........
Signal recovery transfer check
..
...
750KHz
..................
Transfer Data duration
......
Data Ready
..............
Transfer Data repetition rate
..
Multiplexed range outputs
..
SECTION
V
SCHEMATICS. COMPONENT LOCATIONS. DIAGRAMS
INTRODUCTION
.....
DRAWING SYMBOLS
...........
ASSEMBLY PACKAGES
............
5-7 Locating Assembly Packages
....
THEORY OF OPERATION
.......
5-10 Functional Diagram
..
5-1 Guide to schematics
..
5-2 Logic package outlines
...
Page
4-1
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4-1
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4-2
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4-2
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4-3
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4-5
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4-6
c
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4-7
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4-8
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4-8
k
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4-9
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4-10
I
9
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4-1
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4-1
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4-2
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4-6
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4-6
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4-9
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4-10
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4-10
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4-4
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4-4
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4-4
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4-4
4-6
c
Y
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Page 5-1
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5-1
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5-1
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5-1
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5-1
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5-1
1'
i
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5-2
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5-3
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