Negative picture,lamp indicator flahing 3 minutes after turning tv off
The lamp indicator start flashing,I have a negative picture.bought a new lamp installed it,still the same horible negative pix.After turning off the unit
the lamp indicator still flashing around 4 min,and stop.Need some advise
I replaced my lamp and the picture is still bad
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If you have an issue where your picture turns off and the green power light starts flashing, you are most likely looking at a weak or old lamp. Do not be confused with a pix loss and a RED light flashing, as this can be caused by many things. The normal sequence of events for this fix is this: 1) TV turns on normally, plays for 1 to 3 minutes (may be more or less time) 2) Picture goes out and green power light begins flashing. It may flash for up to 2 minutes 3) green light turns on solid (stops flashing) and picture returns. 4) Picture goes out again and process repeats.
You may have been told that "if the lamp light isn't on, it isn't a bad lamp". FALSE! A weak lamp will cause the process above to occur. Other signs of a weak lamp: The reflector in the lamp is very cloudy You may see a "growth" or "bubble" on the vertical glass tube which is the lamp You haven't replaced the lamp in quite some time or it is the original lamp from when you purchased the TV.
In cases like these, try a new lamp. Stick with an original Sony lamp, as there are many stories (both personally witnessed by me and also documented on the web) about problems with after market replacement lamps. And remember, lamps DO NOT have a shelf life; you can store them in a good environment (not too hot or cold!) for an indefinite period with no ill effects.
remove back panel. blow out all the dust from all the components except the fan on the right.
Vacuum out all the dust.
Have you replaced the lamp? that would help too.
There are 2 small red lamp. One indicates HEAT problem. The other one is the LAMP indicator.
unplug it, and let it set for a minute or 2, then try it again...if it does it again hit the power button again to turn it back on...also once the the tv turns on make sure you reset the counter for the bulb..that will also cause problems...to reset the counter press the (-) volume on the tv while holding down the (-) press spilt,pip on the reomte...the lamp will reset and the indicator will go out
This will have to be narrowed down to a specific problem. I would try the easiest things first. First check the lamp. Is it bad or just starting to go bad or does it just need to be reseated with the ballast? If the ballast flickers when turning on your TV, then you will know it is the lamp that is not working or the ballast may need to be replaced. If that is not the problem next check to see if the color wheel is spinning or broken. If broken, it will need to be replaced. If not spinning it is the DMD board that is bad. The color wheel is plugged into the DMD board. If the DMD board is good it will spin the color wheel, that is what will start your lamp. When you lamp starts, you have your picture.
I had the same problem and my local repair guy soldered a defective sensor so that it goes around that problem. I also had to buy a new bulb. Now my picture is "cloudy" and the repairman has no idea why. I am waiting for them to call back on it.