Question about Samsung HLM507W 50" Rear Projection HDTV

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Samsung dlp tv no picture

I know about the lamp or balast thig just want to see if there is a way to test the ballast before i buy a lamp. im verry handy with a volt meter

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Sure, you can test by Use the screwdriver and remove the protective cover that conceals the ballast.

Observe the ballast before proceeding. If oil is leaking from the ballast, stop here and remove the ballast. Leaking oil indicates that the ballast is damaged beyond any doubt as the internal seal has been ruptured by excessive heat.

Test the high voltage side for continuity between the wires going to the ballast tombstones. There will be either one or two wires going to each tombstone fixture. Regardless of the number of wires, the colors will be the following: Blue or yellow are the power wires and white is the common or neutral wire. this could differ in many models.

Turn the Volt Ohmmeter to "ohms" and touch the ends of the two probes together. The meter should show continuity or a direct short. Touch the probes of the meter to one of the white wires and one of the colored, blue or yellow, or any wires that comes from the ballast. This should show a short or continuous circuit. If it does not, the ballast is bad and should be replaced.

Posted on Sep 06, 2009

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Samsung HLM507W will not turn on Alright so here's the deal....I got this TV for free from a guy on craigslist. He said he couldnt get it to turn on. He replaced the lamp, it still didn't work, so he gave up and now I have it. First thing I did was try and turn it on... The TV powered up for about 5 seconds, and then the screen started to flicker all kinds of crazy colors, and it shutdown shortly after with all 3 lights blinking. I figured this probably has to do with the color wheel, so I bought a new one and popped it in. Once installed, the TV started right up, and worked for the entire duration of it being on (approx 7 hours). Now it will not turn on. Here's the startup sequence: -Push power -A couple of audible clicks, and both cooling fans energize. -Lamp does not turn on, and after about 45 seconds of having just the fans running, the TV cycles off and tries to power itself back on. -Rinse and repeat about 3 times total. -After the 3rd attempt, the TV shuts down completely and all 3 lights start blinking in front. -Pushing power does not do anything with the 3 lights blinking. TV must be unplugged and pplugged back in before sequence can be attempted again. Looking for a possible solution/troubleshoot technique. Checked the fuses and they are fine, triple checked all of the connections. Seeing as the lamp doesnt even attempt to energize, Im thinking it could be the ballast, but I'm trying not to dump money into something that might not fix the problem. Thanks for your help!

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