JVC Model 200 service manual Troubleshooting Guide, No Power, No Picture, Arc Lamp

Chapter 5---Troubleshooting

error. If it occurs, copy the 3 lines that appear on the screen, note what occured just prior to this failure, and call Hughes-JVC.

5.3. Troubleshooting Guide

Table 5-2 shows some common projector problems, what to check when problems occur, possible solutions and the section in this Service Manual (If User’s Guide contains pertinent information, the appropriate section will be given) that provides some related information on the problem.

Table 5-3. Troubleshooting Guide.

PROBLEM	CHECK	POSSIBLE SOLUTION	SECTION
No Power	Main Circuit Breaker on	Reset Circuit Breaker.
	Projector rear panel.
	Main Circuit Breaker fails	Verify input power is	4.5 and 4.6
	when reset.	correct. Replace
		defective Low Voltage
		Power Supply or Arc
		Lamp Power Supply.
	Power Interlock Switch	Test switch operation. If
		defective, replace switch.
	Projector cover not	Reposition projector	4.2
	enabling interlock	cover.
	switch?
No Picture	Correct channel input &	Select correct channel	User’s Guide 4.6
	VIC selected?	and VIC.
	Arc Lamp turned off.	Restart projector.	User’s Guide 4.3.
	System power turned off.	Restart projector.	User’s Guide 4.3.
	Signal source	Verify signal source is	User’s Guide 3.5.
		turned on and properly
		connected.
	HIDE command	Unhide image with the
	invoked?	HIDE key on the remote.
	One color is missing.	Turn on the missing color
		with the HIDE key.
	No image or raster on	Replace defective CRT or	4.15, 4.13
	one CRT.	Video Amplifier Board.
Arc Lamp	Arc Lamp will not light.	Replace worn out Arc	4.4
	Clicking noise is heard	Lamp.
	when projector is turned
	on.
	Clicking noise not	LVPS, ALPS, or Ignitor	4.6, 4.5, 4.4
	audible when projector is	faulty. Replace LVPS,
	turned on.	ALPS, or Ignitor.
	Arc Lamp ignites but will	Replace defective Ignitor.	4.4
	not stay lit.

5-6 Model 200 Service Manual