Philips BDL3221V/00, Руководство по обслуживанию

Страница: 20 / 110

20
Go to cover page
BDL3221 LCD/TV
Troubleshooting
This page deals with problems that can be corrected by the user. If the problem still persists after you have tried these solutions, contact your
nearest Philips dealer.
Common Problems
Symptoms
Having this problem?
No Video/ Power
LED off
·
·
·
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
·
·
·
Increase brightness and contrast controls.
Perform the LCD Monitor TV self-test feature check.
Check for bent or broken pins in video cable connector.
·
·
·
·
·
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
·
·
·
·
·
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
Stuck-on Pixels ·
·
Cycle power on-off
These are pixels that are permanently on and is a natural defect that occurs in
LCD technology
Brightness
Problems
·
·
·
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
Geometric
Distortion
·
·
·
·
Perform the LCD Monitor TV reset on "Position Settings Only"
Auto adjust image through Menu -> Image Setting -> Auto Adjust
Adjust the centering controls
Ensure the LCD Monitor TV is in proper video mode
Horizontal/Vertical
Lines
·
·
·
·
·
Perform the LCD Monitor TV reset
Auto adjust image through Menu -> Image Setting -> Auto Adjust
Adjust Phase and Clock controls via OSD
Perform the LCD Monitor TV self-test feature check and determine if these lines are also in
self-test mode
Check for bent or broken pins in the video cable connector
Sync Problems
·
·
·
·
·
·
Perform the LCD Monitor TV reset
Push Auto Adjust button
Adjust Phase and Clock controls via OSD
Perform the LCD Monitor TV self-test feature check to determine if scrambled screen
appears in self-test mode
Check for bent or broken pins
Boot up in the "safe mode"
LCD Scratched
·
Turn the LCD Monitor TV off and clean the screen
Safety Related
Issues ·
·
Do not perform any troubleshooting steps
The LCD Monitor TV needs to be replaced
Intermittent
Problems
·
·
·
·
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
Check these items
No picture, the LCD Monitor
TV is not working
No picture or no brightness
Poor Focus Picture is fuzzy, blurry or
ghosting
Wavy picture or fine
movement
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
LCD screen has bright spots
Picture too dim or too bright
Note: When operating in DVI mode, the contrast adjustment is not available.
Screen not centered
correctly
Note: When operating in DVI mode, the positioning adjustments are not available.
Screen has one or more lines
Note: When operating in DVI mode, the Pixel Clock and Phase adjustments are
not available.
Screen is scrambled or
appears torn
Screen has scratches or
smudges
Visible signs of smoke or
sparks
The LCD Monitor TV
malfunctions on & off