Question about Samsung LN32C350 32 in. TV

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LN32C350 won't turn on steady red light

Tv only a year old and won't turn on. Steady red light on the front of tv.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1039 Answers

SOURCE: tv wom't switch on

Replace capacitors on power board.

Posted on Sep 02, 2009

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SOURCE: my samsung tv wont turn on, red light keeps flashing on the front.

i had this with my samsung and my mums instead of pressing red power button press either switch from analog tv to digital button or just press a number

Posted on Sep 03, 2008

  • 4 Answers

SOURCE: samsung lcd tv ltm1755b won't turn on (power light stays red)

Problem: Samsung LTM1755B with only a blinking yellow LED when you try to turn it on.

Solution: I just had one of these come in. I opened it up, and found the U501 capacitor a little suspicious looking, in that it had a deformed top. It was a 470uF 16V electrolytic 105degC 10mm x 12mm. I replaced it with a very good quality 1000uF 16V electrolytic 105degC 10mm x 16mm Nichicon UHN1C102MPD. After that repair, when I tried to turn it on, the LED was yellow for a second, then green, then I got a picture, and it appeared to work great. I then asked the owner a week later how it was working, and they said it was working just like new!

Posted on Jan 19, 2010

budmrtn
  • 11361 Answers

SOURCE: LN26A330j1D lcd tv, after plugging tv in, power

First place to look will be the power supply module (look for bad caps with leaking/bulging tops), second place will be the backlight inverter board (look for shorted out MOSFETs, transformers).
Right now the 5vdc standby power supply is working but nothing else, it may be in safety shutdown mode due to short circuits.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Posted on Jul 29, 2010

SuperTech-11
  • 1591 Answers

SOURCE: i have a samsung LN32A330J1DXZA

There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for 5 mins, then try.

If you aren't tech savvy, this unit needs to go in for repair.

If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering).

Most of the caps that go are 10V 1000uF or 3300uF.

I found some great videos of the procedure (for different brand, but same issue) on youtube.
http://www.youtube.com/watch?v=Mm51C_RDIZE

http://www.youtube.com/watch?v=BNHHrgX_6cs&feature=related

http://www.youtube.com/watch?v=8l0AUj8QUkg&NR=1&feature=fvwp

http://www.youtube.com/watch?v=Y7b_nTaZYcU&feature=related


As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.

Posted on Mar 11, 2011

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