Question about Samsung PN50B450 50 in. Plasma TV

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I have tv plugged in and the power light is red and it clicks like it is on but nothing comes on and then it clicks again

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It has a shorted parts commonly in the power supply.

Posted on Oct 11, 2010

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Posted on Jan 02, 2017

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Hello, I have a Samsung LN52B630 TV that quit working...noticeably after a confirmed lightning strike nearby.


Screen coming on when the main plug is removed is normal, that happens on most TV's...Are the spots that have no volts supposed to have voltage? there is a legend on the board to tell what voltages belong no what pin, check that

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Hisence TV  LCD42W57PK I was watching TV and the power went ofI tried to put the TV on again nothing happened the light at the TV went green with a clicking sound and turned red when I press the power


i found something on internet for your problem.
please check this,

http://removeandreplace.com/2017/03/13/tv-power-light-comes-on-but-no-picture-or-sound/

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TV will not Turn On.


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The Power Light is Red


yeah, should stay red when unit is turned off, indicating there's power but it's doing nothing.

Per user manual:
Solid red - power off (standby mode)
blinking red - power off (now cooling)
blinking green - power on (preparing to light lamp)
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Mar 08, 2009 | Panasonic PT-40LC12 40" Rear Projection...

2 Answers

50" philips won't power on. get the 4x red blink led light


i have fixed 3 of this tv, with that exact problem in the last 2 weeks, needs a power supply, you can try to unplug it again, plug it in, hit the power button, as soon as it turns green, unplug it again, after 15 seconds , plug it back in, if power doesnt turn on by itself, turn it on, if it turns red again, emediatily hit power again, may have to hit power a few times in a row, but most of the time you can get it to come on this way, once it is on, it should run ok, until you turn it back off, but not a fix, needs power board

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1 Answer

Tv will not light up.


Your main fuse blew if its dead but it could have caused other issues with an electrical spike when the power went off, this is kind of common..pull the back, replace the main fuse and see if it blows it again, if it does then the diodes in the hot side of the power board are bad and would need replacing.

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1 Answer

Theatre View Toshiba Rear Projection TV 50 Inch with no sound or picture and a red light keeps blinking


I have the sames t.v you have to go in the back flip the power cord switch...then reboot the t.v.

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1 Answer

Power problem


would require some troubleshooting, common problems would be convergence amp ic and high volt transformer transistors

If you are really brave tackle this TV FAQ.
http://repairfaq.ece.drexel.edu/sam/tvfaq.htm

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