20 Most Recent Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television Questions & Answers

let it sit for a few hours

You need to have the display panel replaced, that is an expensive part.
Not much I can do from here, the panel must be ordered, as this parts are not normally on stock.

The best thing to do is calling Samsung to get part price.



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This appears to be a CRT projection TV, is this affecting all other inputs?

TV needs repair. Circuits are detecting errors in startup levels.

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Thats a convergence failure. often you can replace the two Ics and associated resistors to repair the issue yourself instead of replacing the convergence board. But you can get the ICs and resistors from www.tvrepairworld.com which includes free tech support for help installing the parts. They also have circuit boards for most models available if you choose to replace the board instead of trying to repair it.

You will need to replace both convergence Ics and the pico fuses that blow when the Ics fail. You can get the replacement Ics and pico fuses from www.tvreairworld.com they also provide free tech support to help you install them

Pico Fuses are either Green or Yellow ,they are in many different circuits near STKs,and Startup Power Supply boards.
Encompass Parts Distribution sells Parts and Boards for this Model.
Most of the time their is 2 resistors that need to be replaced 3.9ohms located in front of ICs.
First just replace the ICs ,you might not need to do anything else.

Each convergence IC has a fusible link going to the IC. On the foil side of the board you will see the fuse size, usually 3.15a. Check both with an ohmmeter, like you would check a normal fuse. Replace the one that is open and that should take care of your problem. Good Luck.

Call Encompass Parts 1-800-638-3328

You have a bad color wheel. The color wheel is located in front of the lamp, as the light shines through it as it spins. It is made up of different colored segments of glass, and one of the segments has came loose and causing the vibrating humming noise. The reason I know it isn't a fan is because the fans will continue to run for about 30 seconds after the set is powered off. The click you hear is the relay cutting off the fans. The color wheel cuts off as soon as you press the power button to cut the set off. I've replaced many of these at our shop for the same problem.