Question about Samsung HPT5054 50 in. HD-Ready Plasma Television

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Samsung model HL72A650 won't power on at all when the power button is used.

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If main power indicator at its front panel is lit, the fault will be with its main board. If it is not, the fault will be with its main power regulator board. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Posted on May 07, 2014

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Screen begins to fade and flash colors. Replaced new lamp and after few minutes same thing occurs. Any suggestions for needs to be repaired?


There are three things that are suspect in this situation. One is the ballast ( a large transformer that powers the light) The other is the light ENGINE. The light engine is about 400. Since you have described an issue with the colors flashing I would suspect the light engine. It could also be the power supply. None of these parts are cheap.

May 02, 2015 | Samsung HL72A650 Television

1 Answer

Replace bulb in housing


No such part number. Samsung parts mostly start with BN or BP.

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I HAVE A HL72A650 DLP TV. AT FIRST THE TV STARTED TURNING OFF AND ON . I LOOKED ON THE WEB AND WE HAVE TRIED CHANGING THE LAMP AND THE BALLAST. THE TV IS SILL TURNING ON AND OFF. THE SCREEN DID COME ON...


Sir reset the lamp hour meter if you replace the lamp. Aim the samsung remote at the front panel where the infrared sensor is located, press the following keys on the remote in this order, Mute, 1,8,2,Power. Wait until the your tv screen lights up with the words "loading factory" on it. Press the "down" direction pad on the remote to select "option" from the list of choice that appears on the screen. Press the "enter" button on the remote, select "reset lamp timer " from the list of choices presented on the screen. Press the "enter" button on the remote. Turn off the TV with the remotes power button. Then wait at least five minutes before turning ON again your tv hope this helps good day and best regards.

Sep 23, 2011 | Samsung HL72A650 Television

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Samsung dlp Hl72a650 wont turn on. I repalced the blown fuse and when I plug in the tv the fuse blows again.


You could be having a shorted rectifier or shorted chopper transistor . Either way it calls for the work of a experienced service engg:

Mar 07, 2011 | Samsung HL72A650 Television

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My standby/temp light is blinking and my lamp light is blinking. tv is about two years old. Just started happening out of the blue. It will come on for a few minutes. I have three dogs and it gets dusty...


check the lamp if you havent changed it before that would be the easiest place to start. if the lamp is popped you will see glass pieces rolling around in the lamp.

Dec 22, 2010 | Samsung HL72A650 Television

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3 lights on the front flashing. no picture no sound


The 3 flashing lights is a 'self test' result that says the backlight bulb has gone. You can try turning it off for a few minutes then try again. However, Samsung have had problems with this set and the 3 blinking lights so if it is still in warantee get it replaced asap.

Oct 07, 2010 | Samsung HL72A650 Television

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