i
Table of Contents
Chapter
Title
Page
1
Introduction and Specifications .......................................................................................... 1-1
1-1
..
Introduction ..................................................
....
.......................................................
1-3
1-2.
Description .............................................................................................................. 1-3
1-3. Power Requirements ...............................................
..
.............................................. 1-3
1-4. Options, Accessories and Related Equipment ...........
..
.......................................... 1-4
1-5. Operating Instructions ........................................................................................
..
.. 1-4
1-6.
Obtaining Service ................................................................................................... 1-4
1-7.
Conventions Used in This Manual ......................................................................... 1-5
1-8.
Chapter Contents .................................................................................................... 1-5
1-9.
Specifications .......................................................................................................... 1-6
2
Theory of Operation............................................................................................................. 2-1
2-1.
Introduction ............................................................................................................. 2-3
2-2. Start-Up Sequence ...............................................................
..
................................. 2-3
2-3. Function Selection .................................................................................................. 2-3
2-4.
Power Supply .......................................................................................................... 2-4
2-5.
Power Supply Input Voltages ................................................................................. 2-4
2-6.
Power Supply Output Voltages and Currents ........................................................ 2-6
2-7.
Power Supply Signals ............................................................................................ 2-7
2-8.
Power ON/OFF Requirements ............................................................................... 2-8
2-9.
NiCd Charging Requirements ................................................................................ 2-8
2-10.
Battery and Line Level Detection .......................................................................... 2-8
2-11.
Power Supply Functional Blocks ........................................................................... 2-9
2-12.
Input Power Selector (A) ........................................................................................ 2-9
2-13.
Boost Preregulator (B) ............................................................................................ 2-10
2-14.
Battery Charger (C) ................................................................................................ 2-10
2-15.
DC-DC Converter (D) ............................................................................................ 2-12
2-16.
Backlight Current Sink (E) ..................................................................................... 2-12
2-17.
Power Switch Circuitry (F) .................................................................................... 2-12
2-18.
LCD Contrast Control (G) ...................................................................................... 2-12
2-19.
Power-On Reset Circuit (H) ................................................................................... 2-12
2-20.
Linear Post Regulators (I) ....................................................................................... 2-13
2-21.
Input Overload Protection ...................................................................................... 2-13
Summary of Contents for 863
Page 49: ...Maintenance Disassembly 3 3 5 OFF 1 6 Places 4 5 5 3 3 2 os5f eps Figure 3 1 Disassembly ...
Page 50: ...867B 863 Service Manual 3 6 os6f eps Figure 3 1 Disassembly cont ...
Page 52: ...867B 863 Service Manual 3 8 5 1 6 2 3 4 os30f eps Figure 3 2 Reassembly ...
Page 96: ...6 1 Chapter 6 Schematic Diagrams Title Page 6 1 A1 Main PCA Assembly 6 3 ...
Page 98: ...867B 863 Service Manual 6 4 FLUKE 867 1001 Sheet 2 of 5 Figure 6 1 A1 Main PCA cont ...
Page 99: ...Schematic Diagrams 6 6 5 FLUKE 867 1001 Sheet 3 of 5 Figure 6 1 A1 Main PCA cont ...
Page 100: ...867B 863 Service Manual 6 6 FLUKE 867 1001 Sheet 4 of 5 Figure 6 1 A1 Main PCA cont ...
Page 101: ...Schematic Diagrams 6 6 7 FLUKE 867 1001 Sheet 5 of 5 Figure 6 1 A1 Main PCA cont ...