Hughes JVC 100, Service Manual

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Model 100 Service Manual
iii
Table of Contents
Safety Information
...............................................................................
v
Chapter 1 Introduction
1.1 Safety...............................................................................................1-1
1.2 Updates............................................................................................1-1
1.3 Tool List ..........................................................................................1-2
1.4 Acronyms Used in this Manual ......................................................1-2
Chapter 2 Functional Description
2.1 Introduction ....................................................................................2-1
2.2 Optical Section ...............................................................................2-2
2.3 Electronics System .........................................................................2-9
Chapter 3 Service Adjustments
3.1 Introduction ....................................................................................3-1
3.2 Arc Lamp Adjustment ....................................................................3-5
3.2 ILA
®
Back Focus............................................................................3-9
3.3 CRT Electronic Focus ....................................................................3-11
3.4 ILA
®
Overlap..................................................................................3-12
3.5 Front/Rear or Inverted Projection Jumper Settings ........................3-13
3.8 Horizontal Size Settings .................................................................3-15
3.9 Software Updating..........................................................................3-17
3.11 Graphic Enhancement Adjustment.................................................3-21
3.12 Cleaning Lenses, ILA
®
Assemblies and Mirrors............................3-22
Chapter 4 Maintenance (Removal/Replacement)
4.1 Introduction ....................................................................................4-1
4.2 Projector Covers .............................................................................4-4
4.3 Air Filters .......................................................................................4-4
4.4 Arc Lamp Assembly.......................................................................4-5
4.5 Ignitor Assembly ............................................................................4-7
4.6 Arc Lamp Power Supply ................................................................4-8
4.7 Low Voltage Power Supply............................................................4-9
4.8 High Voltage Power Supply...........................................................4-9
4.9 System Controller \ Raster Timing Generator................................4-10
4.10 Video Processor PCBs ...................................................................4-11
4.11 Deflection Processor PCB ..............................................................4-12
4.12 Vertical Convergence Deflection PCB...........................................4-12
4.13 Horizontal Deflection PCB ............................................................4-13
4.14 Video Input Cards ..........................................................................4-13
4.15 Regulator PCB................................................................................4-13
4.16 Video Amplifier PCBs ...................................................................4-14
4.17 CRT/ILA
®
Assembly.....................................................................4-15
4.18 Projection Lens...............................................................................4-17
4.19 Recommended Spares ....................................................................4-19