JVC DT-E17L4G, DT-E21L4 The following are not malfunctions

Troubleshooting

Solutions to common problems related to the monitor are described here. If none of the solutions presented here solve the problem, unplug the monitor and consult an authorized dealer or service center.

Symptom		Probable cause and corrective action	Page
	● Press the	button.	10
No power supply.	● Firmly insert the AC power plug.		9
	● Turn on the POWER switch on the rear panel.		8
	● Select the correct input using the INPUT SELECT buttons.		10
No picture with the power on.	● Connect the signal cable firmly.		8
	● Turn on the power of the connected component and set the output correctly.		—
	● Check whether the input signal format is acceptable on the monitor.		29, 30
	● Adjust the volume level.		10
No sound.	● Deactivate the muting function.		10
	● Connect the signal cable firmly.		8
	● Turn on the power of the connected component and set the output correctly.		—
“Out of Range” appears.	● Check whether the input signal format is acceptable on the monitor.		12, 29, 30
	● Select the correct input using the INPUT SELECT buttons.		10
	● Connect the signal cable firmly.		8
“No Sync” appears.	● Turn on the power of the connected component and output video signals. Or,		—
	check whether the video output of the component (video output setting of the VCR
	or graphic board of the computer) is set correctly.
	● Adjust each picture adjustment knob on the front panel or adjust the items of		10, 18
	“Picture Sub Adjust” in the Set-Up Menu. Or, perform “reset” in “Picture Sub Adjust.”		10
	● Check whether the setting of COLOR Off or SCREENS CHECK buttons are
Wrong color, no color.	appropriate.		15
	● Select the proper color system (“Color System”) in “Signal Setting”.
	● Adjust the items of “White Balance Setting” in the Set-Up Menu. Or, perform “reset”		18
	in “White Balance Setting”.
	● Adjust the picture contrast or brightness by using the adjustment knobs on the		10, 18
The picture becomes blurred.	front panel. Or, adjust “Contrast” or “Bright” of “Picture Sub Adjust” in the Set-Up
	Menu.
Wrong picture position, wrong picture size.	● Check whether the setting of 1:1 is appropriate.		10
The picture may sometimes not be able to fill	● Check “Manual Aspect” and “SD4:3 Size” settings in Aspect menu.		14
	● Check whether the input signal format is acceptable on the monitor.		29, 30
the whole screen depending on the signal. In	● Adjust the picture size (H Size/V Size) or position (H Position/V Position) of “Size/		14
this case, nothing can be done to solve the	Position Adjust” menu.
problem. Please be aware of this beforehand.
	● Set “Control Lock” in the Set-Up Menu to “Off.”		19
Buttons on the monitor do not work.	● You cannot use the buttons for the items controlled by the Make system. Disable		18, 22
	the external control.

The following are not malfunctions.

●When a still image is displayed for a long time, it may remain indistinctly on the screen after the picture has changed. Though the remaining picture will disappear after a while, there may be a case that it remains for a long period depending on the length of time the still image was displayed for. This is due to the characteristics of the LCD display and is not a malfunction.

●Red spots, blue spots and green spots on the panel surface are a normal characteristic of LCD displays, and not a problem. The LCD display is built with very high precision technology; however, be aware that a few pixels may be missing or constantly lit.

●The following symptoms are problems only when pictures or sounds are not played back normally.

●A slight electric shock occurs when you touch the monitor.

●The top and/or rear panel of the monitor becomes hot.

●The monitor emits a cracking noise.

●The monitor emits a mechanical noise.

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