Sony CPD-G400P Trouble symptoms and remedies, Symptom, No picture, Picture is fuzzy, Check these items, Picture flickers, bounces, oscillates, or is scrambled

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 19) 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	• Check that the video signal cable is properly connected and all plugs are firmly seated in
appears on the screen, or if the 1	their sockets (page 6).
(power) indicator is either orange or	• Check that the INPUT switch setting is correct (page 8).
alternating between green and	• Check that the HD15 video input connector’s pins are not bent or pushed in.
orange	xProblems caused by the connected computer or other equipment
	• Check that the computer’s power is “on.”
	• Check that the graphic board is completely seated in the proper bus slot.
If the MONITOR IS IN POWER	xProblems caused by the connected computer or other equipment
SAVE MODE message appeared on	• The computer is in power saving mode. Try pressing any key on the keyboard or moving
the screen, or if the 1 (power)	the mouse.
indicator is either orange or	• Check that the computer’s power is “on.”
alternating between green and	• Check that the graphic board is completely seated in the proper bus slot.
orange
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 – 107 kHz
	Vertical: 48 – 120 Hz
If no message is displayed and the 1	• Use the Self-diagnosis function (page 19).
(power) indicator is green or flashing
orange

GB

If using a Macintosh system	• When connecting to a Power Mac G3/G4 that has 3 rows of pins, check that the supplied
	exclusive Power Mac G3/G4 adapter and the video signal cable are properly connected
	(page 6).
	• If you connect to the other version of Macintosh series computer that has 2 rows of pins,
	you will need a different adapter (not supplied).
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 13).
	•	Select MOIRE ADJUST and adjust the moire cancellation effect (page 13).

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