Table Of Contents - Beehive International B102 Service Manual

TABLE OF CONTENTS
SECTION TITLE PAGE
SECTION IV - THEORY OF OPERATION
4.1 INTRODUCTION 4-1
4.2 GENERAL FUNCTIONAL OVERVIEW. 4-1
4.2.1 Power Supply 4-1
4.2.2 CRT 4-1
4.2.3 Keyboard 4-5
4.2.4 Logic Board 4-5
4.3 OPERATIONAL FLOW DIAGRAMS 4-8
SECTION V - TROUBLESHOOTING
5.1 INTRODUCTION 5-1
5.2 PREVENTIVE MAINTENANCE 5-1
5.2.1 Troubleshooting Equipment 5-1
5.3 CORRECTIVE MAINTENANCE 5-1
5.3.1 Troubleshooting Preliminary Considerations 5-2
5.3.2 Troubleshooting Flow Diagrams . 5-2
5.3.3 Full-Duplex Echoplex Test 5-2
SECTION VI - DRAWINGS & SCHEMATICS
APPENDIX A - MONITOR
Section 1 - GENERAL INFORMATION
1.1 MONITOR DESCRIPTION A-1
Section 2 - THEORY OF OPERATION
2.1 VIDEO AMPLIFIER A-1
2.2 VERTICAL DEFLECTION A-2
2.3 HORIZONTAL DEFLECTION . . . . . . . . . . . A-4
Section 3 - PRELIMINARY ADJUSTMENTS
3.1 Synchronization and Drive Signals A-6
3.2 Brightness A-6
3.3 Video Contrast A-6
3.4 Vertical Adjustments A-7
3.5 Horizontal Adjustments A-7
3.6 Focus Adjustment A-8
3.7 Centering A-8
Section 4 - TROUBLESHOOTING and MAINTENANCE
4.1 Troubleshooting Guide A-9
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