Philips BDL4221V/00, Руководство по обслуживанию

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Trouble Shooting
420WN6 LCD TV
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Common Problems
Symptoms Having this problem? Check these items
No Video/ Power
LED off
No picture, the LCD
Monitor TV is not
working
*Check connection integrity at both ends of the video cable
and/or power cord.
* Electric outlet verification
* Ensure AC power at the rear of the monitor TV is switched on.
No Video/ Power
LED on
No picture or no
brightness
*Increase brightness and contrast controls.
* Perform the LCD Monitor TV self-test feature check.
* Check for bent or broken pins in video cable connector.
Poor Focus Picture is fuzzy,
blurry or ghosting
*Auto adjust image through Menu -> Image Setting -> Auto
Adjust.
*Adjust Phase and Clock controls via OSD.
*Eliminate video extension cables.
*Perform the LCD Monitor TV factory reset (via Menu -> Factory
Reset -> All Settings).
*Lower video resolution or increase font size.
Shaky/Jittery Video Wavy picture or
fine movement
*Auto adjust image through Menu -> Image Setting -> Auto
Adjust
*Adjust Phase and Clock controls via OSD
*Perform the LCD Monitor TV factory reset (via Menu -> Factory
Reset -> All Settings)
*Check environmental factors
*Relocate and test in other room
Missing Pixels LCD screen has spots *Cycle power on-off
* These are pixels that are permanently off and is a natural
defect that occurs in LCD technology
Stuck-on Pixels LCD screen has
bright spots
*Cycle power on-off
* These are pixels that are permanently on and is a natural
defect that occurs in LCD technology
Brightness Problems Picture too dim or
too bright
*Perform the LCD Monitor TV factory reset (via Menu -> Factory
Reset -> All Settings)
*Auto adjust image through Menu -> Image Setting -> Auto
Adjust
*Adjust brightness & contrast controls
Note: When operating in DVI mode, the
contrast adjustment is not available.