DiamondDigital DiamondDigital DV420, User Manual

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Troubleshooting
Horizontal/Vertical
Lines
Screen has one or
more lines
●
Perform the LCD Monitor TV reset
●
Auto adjust image through Menu -> Image
Setting -> Auto Adjust
●
Adjust Phase and Clock controls via OSD
●
Check for bent or broken pins in the video
cable connector
Note: When operating in DVI mode, the
Pixel Clock and Phase adjustments are
not available.
Sync Problems Screen is
scrambled or
appears torn
●
Perform the LCD Monitor TV reset
●
Push Auto Adjust button
●
Adjust Phase and Clock controls via OSD
●
Check for bent or broken pins
●
Boot up in the "safe mode"
LCD Scratched Screen has
scratches or
smudges
●
Turn the LCD Monitor TV off and clean the
screen
Safety Related
Issues
Visible signs of
smoke or sparks
●
Do not perform any troubleshooting steps
●
The LCD Monitor TV needs to be replaced
Intermittent Problems The LCD Monitor
TV malfunctions
on & off
●
Ensure the LCD Monitor TV is in proper video
mode
●
Ensure video cable connection between
computer and the LCD monitor TV is secured
●
Perform the LCD Monitor TV factory reset (via
Menu -> Factory Reset -> All Settings)
●
Perform the LCD Monitor TV self-test feature
check to determine if the intermittent problem
occurs in self-test mode
TV and Audio Problems