WHILE WATCHING T.V.AFTER ABOUT AN HOUR, THE SCREEN WILL GO BLACK AND WHITE. SOUND IS GOOD, PICTURE IS CLEAR BUT NO COLOR. IF YOU ARE WATCHING A DVD, OR TAPE AND STOP IT. THE SCREEN GOES GREY, AND T.V IS USLESS UNTIL YOU SHUT IT OFF FOR ABOUT AN HOUR. WHEN IT COMES BACK ON IN COLOR, IT MIGHT STAY COLOR FOR MAYBE A HALF AN HOUR, AND THEN GO BLACK AND WHITE AGAIN. SHORTER DURATION EVERY TIME.
THANKS FOR ANY INFO. OR SUGGESTIONS.
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Re: BLACK AND WHITE SCREEN AFTER AN HOUR
This is usually caused by the tuner which loses the chrominance part of
the NTSC signal. Your did not say how you have it connected but it you
try using a composite video input (yellow jack) and get the color OK
than it must be the tuner which is not cheap but is worth having
Hope Ya Fix it!
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dear your tv have three color systems and when you play vcd which is recorded in pal and you watched color when you play dvd which is recorded in ntsc system which is not available in your tv so you watch as black and white
your TV has burn screen or traces.it comes from one image left on the screen for too long, it can get burned into the screen, making it visible at all times. You can actually eliminate most screen burns with the use of a PC computer and a black and white screen saver. This trick eliminates screen burn after a period of several minutes because the black and white screens flash quickly, removing all traces of color from the screen. This will eventually eliminate any burned images on the LCD screen.you can do it by creating a DVD picture slide with only black and white image.you can use a computer to make DVD picture slidefirstgo to paint brush and draw only white then save as white.jpg.secondburn it into nero or other dvd burnerthirdplay it to your DVD player connected to you LCD TV.it has to be played in full screen
let the white image display on your HDTV for several hours or even overnight. It should remove any burned-in images or ghosts.hope this help............... thanks....
I gotta know more clearly about your question, i am going to explain in 'Guide Solutions'
Guide 1: Is it the color just cover the main grid? (Color cover like blocking the others, such as watching 70s TV shows, the colors blocked in black and white.)
Source 1: Audio input problems, your dvd audio input linked with three different 'rops', they are appeared to be push by pressure.
Solution 1: Determine more spaces to them!
Guide 2: Is it the color cover the photon grid? (Color cover at all pictures, each of them doesn't stand the other colors instead of replaced by unique color)
Source 2: Undefined
Solution 2: The TV setting menu seems to b set by specific colors, change it on your own using remote. OR this is a specific part that the DVD need to show the color in unique color (only one)
(No problems, keep watching)!
If you are playing a VHS tape that should be color content and it's in Black and White ... well you could check the tracking control if there is one on that model. Otherwise it sounds pretty broken. Probably NWR. Not worth repair. Try Cleaning the heads with a cleaning tape???
check to see if the coding is set to PAL or NTSC, when watching in PAL, NTSC shows up in black and white. ( NTSC is normal for the USA and a hand full of other countries... PAL is used in ASIA, EUROPE, and most everywhwere else).
It sounds like the circuitry which actuates the color drives for the screen are not working, this would ba analogous to adjusting for a B&W picture on a color TV you have color but the screen shows black and white. I would get a schematic for this set and measure the voltages on the color processor that connects to the screen since you know that the external jack has color. If possible I can help you troubleshoot this, if you need me to help out.