Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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My Tv Turns Off After About 30 minutes

I Own a Samsung 27 Inch Tube Flat Screen

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  • alexr138 Nov 25, 2008

    ARE YOU SURE I CAN WATCH DVDS AND TV IT WORKS FINE I HAVE AUDIO BUT IT JUST SHUTS OFF. I GOT PICTURE

  • alexr138 Nov 25, 2008

    PLEASE EMAIL ME FURTHER SUGGESTIONS ALEXR138@YAHOO.COM

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It is due to the problem of picture tube

Posted on Nov 25, 2008

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I have a 50" Samsung tv. The tv turns on and the screen comes on, then within 1 minute the screen goes black. I can still hear sound.


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The screen turns blue after about 2 minutes of turning on the TV


Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

Jul 25, 2010 | Sony KP-57HW40 57" Rear Projection...

1 Answer

I have a 27 in. flat screen Samsung TV. Ive been


There are several possibilities; a defective panel is a distinct possibility, or a bad main board, bad T/con board or a bad LVDS cable. You will need a technician to figure out the source of the problem. You can call 1-800-samsung to find the closest service center.

May 20, 2010 | Projection Televisions

1 Answer

Samsung T.V. goes on for 30 seconds then no picture


If this is a flat panel LCD tv, this is a sure sign that the panel itself is bad. I have seen this before. Tv comes on works fine then within 5 minutes goes blank.

Aug 07, 2009 | Samsung HL-P5063W 50" Rear Projection HDTV

2 Answers

Screen fades to blue.


The Blue SCREEN setting is too high. These adjustments are located inside the TV behind the front panel. There are two screws behind covers and then a wooden panel to remove to access the adjustments. The leftmost set are for BLUE, the middle are GREEN, and the right are RED. The top row are FOCUS and the bottom are SCREEN. Focus will focus/unfocus the tube and Screen will adjust the power of that tube (there are 3 tubes, one for each color). If Screen is adjusted too high, horizontal lines will appear (my TV had red lines, but I played around with the knobs and saw that it could happen on any of the colors). Additionally, if SCREEN is set even higher than that, the tube could go so high that it turns the whole screen that color (in your case, blue). If this happens the TV will shut down, probably due to either overheating or overvolting. To fix this issue, turn the appropriate SCREEN dial down until the lines go away. In your case, you want to turn the lower left dial down. Don't turn it too far down, if you turn it more than necessary the TV can give you an AKB error (noted by the STANDBY light flashing a sequence of 5 blinks).

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1 Answer

Sony 65 inch screen tv


The lines you saw, i;m sure they are the ones called retrace lines but know the failure could be located on the red CRT board. Most likely the video amplifier is defective and not necessarily the CRT.
What is the model number of your TV?

Jun 17, 2008 | Projection Televisions

1 Answer

Samsung DLP Problems


Possibly thermal sensor,ballast,or the lamp or all of the above,or the main pcb could be the culprit

Dec 12, 2007 | Samsung DLP HL-P4663W 46" Rear Projection...

2 Answers

Phillips 60 inch projection tv


you can ask a good tv Technion man, since if it happens to be like that then in coming day u will have to face problems. So since this very common problem which will arise in old tv. Actually the real problem is that, some parts in the board may have become weak or the molded part in the board may have fallen down ,so changing that particular part or molding again may fix that problem. Since i am not an Technion I don't the right terms to help u.I have see this problem in many places and don't worry your picture tube is well and good.

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