Rosen Aviation 1702 Series : 17.5 inch WideScreen High definition - Manual (Page 28)

Rosen Aviation 17.5” HD Widescreen Display
Document Number: 102990 Revision: C
Date: 03/17/14
Template: 4.2.3-6-FM; Revision A; 16 May, 2005 Page 28 of 34
9.1. Troubleshooting
If the display does not function properly, refer to the following troubleshooting table for symptoms
and possible solutions before contacting Rosen field support.
Note: Use an oscilloscope or another display to verify the video signal. Always use a multimeter
to verify voltages. Check actual results against the requirements described in this manual.
Problem Possible Solutions
No video (signal) 
Verify that the display is turned on and the video is on.

Verify that you are in the correct source mode.

Verify that a signal is reaching the display using an oscilloscope or
another display.

Check Power Mode settings on page 24 .

Verify that the pinout is correct.
Screen is black

Verify that the display is receiving power.

Check Power Mode settings on page 24 .

Verify that the pinout is correct.

Verify that the video source is on and DVD installed.

Verify all connections between the source and the display.
Image flashes on/off Perform a Factory Reset from the Technician Menu, on page 22 , to
clear the Auto Detect. See also Momentary Switch Mode on page 26 .
Image flickers 
Verify that the signal cable is secure.

Verify that the vertical frame frequency is 75 HZ or less.
Distorted Image

Verify supported resolution. See Specifications on page 31 .

Verify pinouts.

Verify that a signal is reaching the display using an oscilloscope or
another display.

Examine the display for pinched or damaged cables.
Wrong Colors

If the screen colors are not what you expect, reset the current
scheme. For more information, see
Reset Scheme on page 16 and
Restore Defaults on page 18 .
9.2. Cleaning the Display
To clean the LCD, very gently wipe the screen with a clean, commercially approved LCD
cleaning cloth and alcohol-free LCD cleaning solution. Use one firm cleaning motion instead of
circular or repeated side-to-side scrubbing.