Atari 040-0050-01 manual Troubleshooting Video Problems, Troubleshooting Audio Problems

Section 7 – Troubleshooting

Section 7 – Troubleshooting

	Table 4.	Troubleshooting Video Problems
Problem	Possible Cause		Possible Solution
			Verify the AC power connection to the monitor. You can
			verify the monitor has power by looking for a small
	Power Problem		glow in the Neck of the CRT. Verify the Universal Video
			Converter has power; the red LEDs should be
			illuminated.
			Verify that the video wires in the Jamma harness are
			firmly connected from the Monitor to the Jamma
No Picture on	Faulty Video Cable		Conversion Board. Verify the Universal Video
			Converter output is plugged into the Video Input on the
Monitor
			Jamma Conversion Board.
	Faulty Monitor		Verify that the fuses on the chassis PCB are good.
	Chassis PCB
	Picture is Dim or		Use the monitor remote control panel to adjust the
			brightness and contrast settings to see if this corrects
	Faded
			the problem.
	Blown fuse on UVC		Check fuses on UVC. Replace with 5 A fuses if blown.
	Incorrect UVC		Check the SW1 switch bank settings on the UVC and
	Settings		make sure they are correctly set for your monitor.
	Picture Color is		Use the monitor remote control panel to adjust the red,
			green, and blue color settings to see if this corrects the
Picture is	Poor
			problem.
Misaligned or Color
			Use the monitor remote control panel to adjust the
is Poor	Picture Geometry
	is Misaligned		height and width as well as other geometric
			adjustments to see if this corrects the problem.
	Distorted Colors on		Use a degaussing coil on the monitor to see if this
	Screen		corrects the color problem.

Table 5. Troubleshooting Audio Problems

Problem	Possible Cause	Possible Solution
	Volume Setting	Enter the Operator Menu and adjust the volume setting
		for the cabinet. Verify that the attract volume is ON.
		Turn off the cabinet. Verify that all the wires are firmly
	Faulty Wiring	connected to each speaker. Verify that no wires are
		frayed or improperly shorting to ground.
		Remove the speaker grill covers, and visually inspect
No Audio	Blown Speakers	each speaker. Run the Sound Test from the Operator
		Menu to verify each speaker is working.
		You can verify the Audio AMP on the Jamma Conversion
	Faulty Audio	Board is working by installing it into another working
		cabinet. If that is unavailable to you, plug a simple
	AMP
		computer speaker into the audio ports on the computer
		and verify that sound is working from the computer.
	Volume Set too	Adjust volume pots (R3 and R4) on Jamma Conversion
	Low on Board	Board.

	© 2004 GLOBAL VR®, INC.
040-0050-01 Rev. A 10/29/2004	Page 39 of 48