Question about Samsung HLP4663W 46" Rear Projection HDTV
Hi 6 weeks ago we replaced the lamp in our Samsung DLP 5063W TV, the color wheel needed to be replaced too but we tolerated the screeching color wheel and watched TV while waiting for a back ordered color wheel. Before the color wheel arrived the noise became unbearable, there was a popping noise and the screen went black. The new bulb, with likely less than 100 hours of viewing time on it, appears to be fine but we put the TV away, awaiting the color wheel. Now the new color wheel has been installed. We turn on the TV and get the blinking lights on the switch--all three blinking and then switching to "lamp" blinking--but no picture and no sound. We have double checked all connections.
Hi it sounds like the problem is with the convergenge ics these can be replaced but the problem usually comes from a bad resistor this causing the ic to go.
The only problem is without having the proper testing equipment in front of you you could keep guessing and never find the problem the best thing to do is if you dont have the equipment nor the knowledge of diagnosing the problem it is best left to somebody who know what they are looking for.
I see this problem often on these sites and it all comes down to the convergence ic failing they usuall fail to a resistor failing on the main board the board will need testing and tracing back from the ics to eliminate any resistors that could have failed.
I have seen alot of people that have replaced the ics without checking the resistors and then they have the same problem shortly after.
The resistors tend to start failing shortly after the warranty has run out.
The cheapest sollution would be for you to take the tell yourself to repair shop as calling somebody out might charge for the call out and for transporting the tell.
Their isnt much you can do yourself but if you need it i can get the spec sheet for you so you can follow circuit diagrammes let me know what you want to do
Posted on Dec 01, 2007
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