JVC 250 Introduction, System Description, Electrical, Optical, Electronic, Miscellaneous Items

Table of Contents

Safety Information		v
Chapter 1 Introduction
1.1	Safety	1-1
1.2	Updates	1-2
1.3	Acronyms	1-2
Chapter 2 System Description
2.1	Introduction	2-1
2.2	Electrical Section	2-2
2.3	Optical Section	2-3
2.4	Electronic Section	2-5
2.5	Miscellaneous Items	2-7
Chapter 3 Electrical
3.1	Safety	3-1
3.2	Incoming Power Circuit	3-2
3.3	Power Supplies	3-3
3.4	Igniter Assembly	-15
Chapter 4 Optical
4.1	Arc Lamp	4-2
4.2	Optical Path	4-7
4.3	ILA®	4-12
4.4	Relay Lenses	4-19
4.5	Projection Lens	4-19
Chapter 5 Electronic
5.1	Safety	5-1
5.2	Introduction	5-2
5.3	System Controller PCB	5-3
5.4	Video Processor PCB	5-11
5.5	Raster Timing Generator PCB	5-16
5.6	Horizontal Vertical Deflection PCB	5-21
5.7	Convergence Deflection PCB	5-28
5.8	Scan Reversal PCB	5-34
5.9	Video Amplifier PCB	5-43
5.10 CRT/Yoke Assemblies		5-51
5.11 VICs		5-58
5.12 Backplane		5-74
Chapter 6 Miscellaneous Items
6.1	Projector Covers	6-1
6.2	Electronics Module Tilt-up	6-2
6.3	Ventilation	6-3
6.4	Air Filters	6-4

Model 250 Projector Service Manual iii