Question about LG 50PC3D 50 in. Plasma Television

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No power on Samsung PN42C450B1DXZA

No power at all. It cut off and that's it.

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Power supply regulator [SMPS] board fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Posted on Mar 28, 2014

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Posted on Jan 02, 2017

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I have a Samsung tv with model number PN42C450B1DXZA. It will turn on but no picture comes on. would replacing the Main logic board fix this problem?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/

To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board

Jun 13, 2016 | Samsung Televison & Video

1 Answer

42 in samsung model #PN42C450B1DXZA tv has 2 in line vertically in middle.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.

Feb 16, 2016 | Samsung Televison & Video

1 Answer

PN42C450B1DXZA has 2 inch line in the middle.


T'Con board fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.

Feb 16, 2016 | Televison & Video

1 Answer

My samsung led tv model un56fh6003f cuts off and power light blinks haven't been able to turn back on since the last time it cut off


I suspect you have a power supply failure. Probably time to have a tech look at it. to make sure its not a locked up internal computer issue, unplug it for a few minutes and try again.

Aug 03, 2015 | Samsung Televison & Video

1 Answer

Walked out of room and returned minutes later and TV was dead


Check and replace its main power supply regulator board. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Mar 27, 2014 | Samsung PN42C450B1DXZA PN42C450 42 Plasma...

1 Answer

Horizontal lines on screen


Visit the site named 'Electro-help' for more details. Check this link and select the site named above. View it in 'Flip card' option, which can be selected from the drop down box menu at the left top corner or the display window. It will make search easy. Some times, the ads attached with each posts might help you to find the availability of spare parts. There are more than 580 posts to different brand TVs.

Aug 13, 2012 | Samsung PN42C450B1DXZA PN42C450 42 Plasma...

3 Answers

Lcd flutter ln-46c610


You might want to call Samsung with the model number as I remember seeing a notice for certain models that have this issue---a jumper plug needs in those sets to be removed that is located on the power board.

Apr 30, 2012 | Samsung LN46C610 LCD TV

1 Answer

Samsung Tantus Model 553W HDTV1080i, when you turn the tv it just has a black screen and makes a clicking noise like it is turning on and off


Samsung has had a issue with several models, with power supply going out. The clicking noise is what lets you know it is the power supply, it is teying to cut on but has not power from the board so it cuts off. I would call Samsung and see if your model happens to be listed as the models they are covering the power supply for, your exact model number is HCM553WX. If that model is not on the list of covered models, you can ask Samsung what to do, because parts for your tv are no longer available. Hope this helps. You can reach Samsung at 1-800-726-7864

Mar 31, 2010 | Samsung PCH521R 52" Rear Projection...

1 Answer

Power turn-on after 5min.s cut off power


chek for leakage capacitors.hope thisn will help

Jan 19, 2008 | Samsung TXN3075WHF 30" TV

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