JVC Model 200 Horizontal Scan, Reversal Jumper, Horizontal Size Coils, Hot Spot, Hue, Ignitor

Glossary

	a total of 525 scanning lines in NTSC
	transmission.
Horizontal Scan	Reverses the image projection for front or rear
Reversal Jumper	projection. Located on the Horizontal Deflection
	Board.
Horizontal Size Coils	Adjusting coils on the Scan Reversal Board. Used
	to adjust the horizontal size (width).
Hot Spot	The Arc Lamp’s brightest area on the screen.
	Used to align and focus the Arc Lamp.
Hue	Also referred to as tint. A specific color such a
	blue, pink or aqua. Hue or tint control on a
	display device adjusts red/green balance.
Ignitor	Provides a momentary high voltage to excite the
	gases in the Xenon Arc Lamp to ignite.
Image Light Amplifier	A device that uses low-intensity images to phase
ILA®	modulate a high-intensity light through a liquid
	crystal layer. It is a key component in
	producing very bright, high resolution images
	from Hughes-JVC large-screen projectors.
Image Mirror	Directs the blue and red images toward the
	Combining Prism.
Interlacing	The technique that refreshes a display screen by
	alternately displaying all the odd lines (field one)
	and then all the even lines (field two) of one
	frame.
I/R Windows	The Series 200 Projector has two I/R windows,
	one in front, one in back. These windows receive
	projector control signals from the I/R remotes.
Lamphouse Dock	The housing that contains the Ignitor, the Laser
	Power Supply, and the Arc Lamp assembly.
Laser Power Supply	Provides boost voltage through a spark gap to the
	Ignitor.
Lumen	A unit of measure of the flow, or rate of emission,
	of light. An ordinary wax candle generates 13
	lumens while a 100 watt bulb generates 1,200
	lumens.

B-2 Model 200 Service Manual