Sharp Model AFT user manual Troubleshooting Guide, To Lamp

Troubleshooting Guide

PROBLEM	CAUSE	CORRECTION
Projector does not operate	No power to projector	Plug power cord into suitable
		electrical outlet. Set power switch
		to LAMP.
No illumination on screen with	Power switch on Off or Fan	Set switch to LAMP.
slide in projector gate	Lamp burned out	Install new lamp or lamp module.
	Lamp not sealed in socket	Check lamp.
Slide not in proper focus on	Slide itself not sharp	Examine slide for proper focus.
screen	First slide in tray not properly	Focus center of first slide manually.
	focused	Focus manually.
	Slide in different type of mount
	from others	Be sure the lens gear teeth on the
	Projection lens installed improperly	lens barrel line up with the notch on
		the projector.
Uneven edge-to-edge focus	Slide itself is not sharp	Examine slide.
	Curved-field lens used with glass,	Try a flat-field lens.
	plastic, or non-embossed mounts
	Curved field lens used for rear	Use a flat-field lens.
	projection
Autofocus motor runs	Multi-aperture slides or matte-	Turn off autofocus.
continuously	surface write-on slides in tray
Slide fails to drop into projection	Tray base plate not properly	Rotate the tray base plate until it
position	indexed	locks into position.
	Tray not properly positioned on	Reposition tray on projector.
	projector
	Slide mount warped or frayed at	Straighten mount or remount slide.
	corners
	Projector not level or tilted too high	Set projector on a stand equal with
		center of screen.
Uneven illumination on screen	Projection lamp not fully seated	Check lamp.
	Condenser lens not installed or not	Check condenser lens.
	positioned properly in mount
	Slide mount not seated properly in	Check slide position and slide-
	projector gate	mount condition.
Projector won’t cycle to next slide	Tray not properly positioned	Reposition tray.
	Slide or foreign object stuck in gate	Remove foreign object from gate.
Program does not start with the	Tray number is not aligned with the	Reposition tray.
correct slide	raised index mark.