Nighthawk SILVER STRIKE BOWLING operation manual Appendix a

APPENDIX A

Troubleshooting Index

Video Problems

Symptom	Probable Cause	Solution
No picture	I/O Board Dip Switch settings are	Adjust Dip Switch settings to match
	wrong.	the resolution of the monitor you are
		using. Refer to Dip Switch Settings
		on page 15.
	Incorrect video connection	Be sure the video connections are
	configuration.	correct according to the type of
		monitor you are using. Refer to
		cable connection diagram - page 45.
	Monitor does not have a proper	Verify A.C. power to the Nighthawk
	A.C. voltage input.	Chassis. Verify monitor is working
		on a known good system.
	Monitor is defective.	Repair or replace.
	Defective I/O board. Applies only to	Repair or replace.
	systems utilizing video scaling on
	the I/O board. For Low and
	Medium Resolution monitors.
	Check for Flash Code 1 on lighted	Plug in the USB connection to the
	diode D102 of the I/O board.	I/O board to the USB. Video should
		appear if scaling is used.
	Nighthawk Chassis is defective	Go to Nighthawk Chassis
		troubleshooting section.
No picture but game sounds are	Incorrect video connection	Verify video is connected to the
heard	configuration.	system correctly. Refer to cable
		connection diagram - page 45.
	Since you hear game sounds the	Review no picture troubleshooting
	system is working.	section above.
Scrambled Picture	I/O board Dip Switch settings are	Adjust Dip Switch settings to match
	set wrong.	the resolution of the monitor you are
		using. Refer to Dip Switch Settings
		on page 15.
	Misadjusted monitor. Analog	Adjust the horizontal and vertical
	monitor mid. and low resolution.	sync on the monitor. Refer to the
	Most digital monitors sync	monitor manual.
	automatically.
	Incorrect video connection	Be sure the video connections are
	configuration.	correct according to the type of
		monitor you are using. Refer to
		cable connection diagram - page 45.
Entire picture is not seen on the	Misadjusted monitor.	Adjust the monitor width and height.
screen or it does not fill the entire		Use video screen adjustment in
screen		system tests. Refer to the monitor
		manual.
Missing or washed out colors	Bad Video connections	Verify continuity from the monitor to
		the video out on the I/O board. Red,
		Green, Blue video signal. Mid. and
		Low resolution monitors only.
	Contrast and brightness on the	Refer to the monitor manual to make
	monitor needs to be adjusted.	adjustments.
	Defective Monitor.	Verify by connecting a known good
		monitor to the system.
Silver Strike Bowling™	Version 08/04	Page 40

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