Specifications

14
Troubleshooting
8402 Trouble shooting
PROBLEM POSSIBLE SOLUTION
No power • Verify that the pinout is correct . Push and hold
the power switch for about one second.
• Verify Monitor is fully inserted into base receptacle.
• Verify that the pinout is correct.
• Verify that the video source is on and has a tape or
DVD installed.
• Verify video signal at monitor end, Use an
oscilloscope or another monitor.
Screen is black • Verify that the monitor is getting power (LED on) and
the pinout is correct.
• Verify that the video source is on and has a tape or
DVD installed.
• Verify all connections
Screen is blue • Verify signal at monitor end, Use an oscilloscope or
another monitor.
• Verify that the pinout is correct.
• Verify that the video source is on and has a tape or
DVD installed.
Red LED is on • Monitor is connected to 28 volts but is either
switched off or is not receiving a video signal
Image is distorted • Verify that the pinout is correct.
• Verify that a signal is present and accurate.
• Examine system for pinched or damaged cables.
Notes Always use an oscilloscope to verify video signals.
Always use a multimeter to verify voltages.
Always check actual results against requirements in
the Technical Manual.
No Video
Displayed on
screen
LED does not
come on