Sony HMD-A220 operating instructions Trouble symptoms and remedies

Trouble symptoms and remedies

If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual. Use the self-diagnosis function (page 16) if the following recommendations do not resolve the problem.

Symptom	Check these items
No picture
If the 1 (power) indicator is not lit	•	Check that the power cord is properly connected.
	•	Check that the 1 (power) switch is in the “on” position.

If the NO INPUT SIGNAL message appears on the screen, or if the 1 (power) indicator is either orange or alternating between green and orange

•Check that the video signal cable is properly connected and all plugs are firmly seated in their sockets (page 6).

•Check that the HD15 video input connector’s pins are not bent or pushed in.

xProblems caused by the connected computer or other equipment

•The computer is in power saving mode. Try pressing any key on the keyboard or moving the mouse.

•Check that the computer’s power is “on.”

•Check that the graphic board is completely seated in the proper bus slot.

	If the OUT OF SCAN RANGE	xProblems caused by the connected computer or other equipment
	message appears on the screen	• Check that the video frequency range is within that specified for the monitor. If you
		replaced an old monitor with this monitor, reconnect the old monitor and adjust the
		frequency range to the following.
		Horizontal: 30 – 70 kHz
		Vertical: 48 – 120 Hz
	If no message is displayed and the 1	• Use the Self-diagnosis function (page 16).
	(power) indicator is green or flashing
	orange
	If using a Macintosh system	• Check that the Macintosh adapter (not supplied) and the video signal cable are properly
		connected (page 6).
Picture flickers, bounces,		• Isolate and eliminate any potential sources of electric or magnetic fields such as other
oscillates, or is scrambled		monitors, laser printers, electric fans, fluorescent lighting, or televisions.
		• Move the monitor away from power lines or place a magnetic shield near the monitor.
		• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
		• Try turning the monitor 90 ° to the left or right.
		xProblems caused by the connected computer or other equipment
		• Check your graphic board manual for the proper monitor setting.
		• Confirm that the graphics mode (VESA, Macintosh 16" Color, etc.) and the frequency of
		the input signal are supported by this monitor (Appendix). Even if the frequency is within
		the proper range, some graphic boards may have a sync pulse that is too narrow for the
		monitor to sync correctly.
		• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.
Picture is fuzzy		• Adjust the brightness and contrast (page 10).
		• Degauss the monitor* (page 12).
		• Decrease the moire cancellation effect (page 12).
Picture is ghosting		• Eliminate the use of video cable extensions and/or video switch boxes.
		• Check that all plugs are firmly seated in their sockets.

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