JVC rs-840UD owner manual Troubleshooting, No image is displayed, The screen image looks abnormal

Troubleshooting

No image is displayed

•Is the power cord connected?

•Is the power indicator light on?

•Power is on, power indicator is blue but the screen appears extremely dark.

•Is the power indicator amber?

•Does the ‘NO SIGNAL’ message appear?

•See if the power cord is properly connected to the outlet.

•See if the power switch is turned on.

•Adjust brightness and contrast again.

•Backlight may need repair.

•If the display is in power saving mode, move the mouse or press any key.

•Turn both devices off and then back on.

•The signal cable between PC and display is not connected. Check the signal cable.

•Press INPUT on the remote control to check the input signal.

The screen image looks abnormal

•Is the screen positioned?

•Do thin lines appear in the background?

•Power is on, power indicator is blue but the screen appears extremely dark.

•D-SUB analog signal –Select Auto Adjustment in Size & Position menu to automatically select the optimal screen status that fits the current mode.

•D-SUB analog signal –Select Auto Adjustment in Size & Position menu to automatically select the optimal screen status that fits the current mode. If the adjustment is not satisfactory, use the

Fine Tune menu.

•D-SUB analog signal ––Select Auto Adjustment in Size & Position menu to automatically select the optimal screen status that fits the current mode. If the adjustment is not satisfactory, use the

Fine Tune menu.

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