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Fluke 8050A - Page 4

Fluke 8050A
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TABLE
OF
CONTENTS,
continued
SECTION
TITLE
PAGE
3-7.
A/D
Converter
.............................................
3-1
3-18.
Microcomputer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2
3-20.
Signal Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6
3-31.
True-RMS Converter
..
. . . . . . . . . . . . . . . . . . . . . . . .
..
. .
..
. . . .
.. ..
3-8
3-38. Touch-Hold Circuit
.........................................
3-8
3-40.
Voltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8
3-43.
Current Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8
4 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
4-1.
INTRODUCTION
............................................
4-1
4-4.
SERVICE
INFORMATION
...................................
4-1
4-7. GENERAL
INFORMATION
..................................
4-1
4-9.
Interior Access
..............................................
4-1
4-24. dB Reference Impedance Power-Up
Setting .
. . . . . . . . . . . . . . . . . . . .
4-4
4-26. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
4-28. PERFORMANCE TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
4-30.
Initial Procedures .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
4-32. Display Test
................................................
4-5
4-34. Linear Voltage Test
.........................................
4-6
4-36. dB Voltage Test
.............................................
4-6
4-38. Current Test
................................................
4-7
4-40.
Resistance and Conductance Tests
.............................
4-7
4-42. CALIBRATION ADJUSTMENTS
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
4-44.
DC
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
4-46.
AC Calibration .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
4-48.
Jumper Selection .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
4-57.
TROUBLESHOOTING
.......................................
4-12
5
LIST
OF
REPLACEABLE
PARTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
TABLE
OF
CONTENTS
......................................
5-1
5-1.
INTRODUCTION
............................................
5-2
5-3.
PARTS ORDERING
INFORMATION
.........................
5-2
6
OPTIONS
AND
ACCESSORIES
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
TABLE
OF
CONTENTS
......................................
6-1
INTRODUCTION
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2
ACCESSORIES
..............................................
600-1
OPTIONS
...................................................
601-1
7
SCHEMATIC DIAGRAMS
...........................................
7-1
TABLE
OF
CONTENTS
......................................
7-1
APPENDIX A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
ii

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