My set switches from low lamp to bright lamp on its own constantly
So I bought my 72" Toshiba DLP last year in Jan of 06. Tv has been awsome to me and the whole family. Of course me being the smart ass that I am didnt by an extended warranty. Well this friday when I turned on the set the picture keeps switching from bright to dark, like as if it switching from high lamp to low lamp by itself. When I turn the tv off the yellow light keeps blinking and you can here the little bell continuing to switch the lamp setting. WTF called Toshiba and they said I was screwed and that I need to take it in to a Toshiba repair shop. Anyone with some insight or ever had this problem with there tv?
Re: My set switches from low lamp to bright lamp on its...
I just got mine back from the shop withe a similar issue. The picture would dim especially with dark scenes and you could actually hear the lamp popping and clicking. It was not consistent enough that I had to video tape the issue for the technicians. In short, they decided that the ballast was faulty, unfortunately, the only way to replace the ballast is to replace the entire light engine. The part is about $320 and they also replaced the lamp for $150. The extended warranty would have only covered parts I believe so you may have ended up OK.
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If you set the lamp mode to LOW POWER, each time you turn ON the TV the lamp will start out at HIGH BRIGHT mode, but will switch to Low Power mode after a short period of time. You may notice a change in screen brightness when this happens. This is not a malfunction.
Just check whether you have selected this mode. Go to its user manual [P57]. All details are there about the lamp brightness settings. If it is not set to Low Power and still you get a dim picture, the lamp may be weak and has to be repaced. OK.
I have researched the owners manual and it states to recheck the lamp door and make sure the lamp is seated properly and that the door is closed tight. I can email you the manual if you do not have one.
LBrown18062@hotmail.com Lawrence Brown
If any of the following conditions exist, turn off the TV, unplug the power cord, and repeat steps 1-9 to ensure that the lamp unit and lamp unit door are installed correctly: • No picture • Dark picture • TV will not turn on If, after repeating steps 1-9, the problem still exists: • In the U.S., call TACP consumer solutions at 1-800-631-3811. • In Canada, locate the nearest Toshiba authorized service depot by directing your web browser to www.toshiba.ca; click "Home Entertainment," and then click "Support."
most probably you have a bad bulb. in most cases you can take the bulb out and you will see it cracked inside the glass mirror.anyway the first approach is to replace the bulb.the part number should be on a label on the bulb.if you can not find it leave a message and i will find it for you.