Question about Gateway DLP56TV 56" Rear Projection Television
I have a Gateway 56" dlp same as the Vizio RP56.
When I turn the tv on the lamp will only light up for a couple seconds then turn off. I have cleaned all the fans and they all turn on. I checked the color wheel and that turns on. The status indicator lights on front show a lamp error but I replaced the lamp and it still does the same thing.
After 2 hours of web searching, I finally found a service repair manual. Below is the link to the site. After scanning this manual, beginning on pg 61 is the troubleshooting guide. It sounds like the problem is the ballast if the lamp checks out ok. Let me know your thoughts after looking at this and hopefully the both of us can work together & come up with the right solution on how to fix our problem with our 56" Gateway DLP.
Posted on Jan 03, 2009
There are interlocks that will prevent the set from starting if the lamp is not installed correctly or if the access door is not closed properly. Either condition will result in a "lamp error" indication. Try reinstalling the lamp being careful to be suer that it is seated properly. Also make sure that the access door is fully closed and aligned. If you continue to get the lamp error, it is possible that the ballast circuit is defective. This is the part that generates the power to "fire" the lamp.
Keep us posted.
Posted on Mar 10, 2009
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