Atari 040-0050-01 manual Troubleshooting Computer Problems

Section 7 – Troubleshooting

Problem	Possible Cause	Possible Solution
		Remove the speaker grill covers, and visually inspect
	Blown Speakers	each speaker. Run the Sound Test from the Operator
		Menu to verify each speaker is working.
Audio is Distorted or		A weak or low muffled sound is a sign of reversed
	Faulty Wiring	speaker wires. Check for reversed wires on each
Muffled		speaker.
	Faulty Power	A constant low hum in the speakers can be caused by a
		faulty power supply that contains a ripple or noise in the
	Supply
		power that is being passed through to the speakers.
		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.
Faulty Sound		Remove the speaker grill covers and visually inspect
	Blown Speakers	each speaker. Run the Sound Test from the Operator
Channel
		Menu to verify each speaker is working.
		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.
	Volume Set too	Adjust volume pots (R3 and R4) on Jamma Conversion
	Low on Board	Board.

	Table 6.		Troubleshooting Computer Problems
Problem		Possible Cause		Possible Solution
				Verify the video card is firmly plugged into the AGP slot
				on the computer. When the computer is ON, verify the
		Loose or Faulty		fan on the video card is spinning and working properly.
		Video Card		When the computer boots up, it performs a PC self-
No Video				diagnostic test. If there is a problem with the video
				card, you will hear three beeps from the computer.
				Verify that the video cable is firmly connected to the
		Loose or Faulty		computer 15-pin video port and the 15-pin video port
		Video Cable		on the Video Converter board. Check the video cable
				and make sure it is not pinched or frayed.
				If you are getting no audio and no video, and the
				computer is powered on, you might have a faulty hard
				drive or corrupted software on the hard drive. Reload
		Faulty Hard Drive		the software from the System Restore CDs to see if
				this solves the problem. If you continue to have hard
No Video, No Audio				drive problems while you reload the software, you may
				have a faulty hard drive.
				Verify the line voltage is set to the correct voltage for
		No Power to		your area (115V or 230V). Disconnect the AC power
		Computer		cord from the computer and then reconnect it to power
				ON the computer.

gvrSX™ Conversion System Manual
Page 40 of 48	040-0050-01 Rev. A 10/29/2004