Question about Sylvania LC320SLX 32 in. LCD TV

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Sylvania lc320slx lcd power light goes one then off

Sylvania lc320slx lcd power light goes from off red to green then back to off,
what are common problems with lcd's
i am electronic hobbyist, thought i would ask before opening up the box.

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I recently repaired this exact TV that sounds like the exact problem. First you can take the back off and unplug everything from the Inverter board. Then try to power on the TV and if the green light comes on, and stays on, then you know the problem is in the inverter board. My problem was in the inverter and I found Q1500 (N Channel MOSFET) shorted Gate, Drain, and Source together. It's a simple part to replace but a difficult part to find. If you need help finding the part, I can direct you to the place I got mine for $3 and $8 shipping. Just for safe measure I also replaced Q1550 that is the same exact part on that board.

Posted on Nov 05, 2010

  • Justin Peters Jan 28, 2011

    I found a better part to replace Q1500 and Q1550 with but it's a little more expensive than what I said above. Click on the link to see it:


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Where can i get these parts, most i can find is bulk orders

Posted on Dec 10, 2011

  • Crash Idaho
    Crash Idaho Dec 10, 2011

    and what is the oem # so i can cross see if there are more to choose from



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Posted on Jan 02, 2017

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Related Questions:

1 Answer

Why won't it turn on?

Hi Scott,
Green light flashes and the set goes back to stand by means it is trying to start but the action is not completing because of some fault either in the power supply itself or some other section. Please consult some local TV Tech to handle it.

Aug 07, 2015 | Sylvania LC320SLX 32 in. LCD TV

1 Answer

Why does my screen keep flashes blue green red white

Contact any service technician. T'Con board fault.

Jun 12, 2014 | Sylvania LC320SLX 32 in. LCD TV

1 Answer

I have a Sylvania LC320SLX that will not turn on. When I hit the power button, the power on light blinks about 15 times then goes back to standby. I disconnected the cable input and unplugged the power...

This is a common problem an a failry easy DIY fix.

Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.

Capacitor being replaced! Fairly easy DIY fix.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as . Or just click here to see more details on their kit.

Apr 23, 2011 | Sylvania LC320SLX 32 in. LCD TV

1 Answer

We just brought a Sylvania Flat Screen TV Model no. LC320SLX Serial no. DS2A1006154179 We had the TV hooked up and it was working fine and then this morning it won't cut on. We thought it might have...

Hello; I am John at J. D. Electronics, Poland Maine. This problem is usually caused by defective inverter transformers. These sets are made by Funai Corp. I have now replaced 100's of these. They are about $5 each and most sets have 5 to 8 of them. Replace them ALL at once. There are many other problems I have found that require replacing whole PCB's , so this is only a guess. John

Oct 13, 2010 | Sylvania LC320SLX 32 in. LCD TV

1 Answer

I have a lc320slx sylvania tv and I pushed some button, but now it keeps flashing different colors on the screen. It flashes red, green, blue, white, etc. The remote won't control the tv and the only way...

This problems will not be solved by a remote control.Ur tv Tuner board is dead.Take it to the shop they will order a refurbish the Main Tuner signal board for u and replaced it.It will cost about half the price of the new tv.

Apr 28, 2010 | Sylvania LC320SLX 32 in. LCD TV

2 Answers

Changing mono to stereo on Sylvania LC320SLX TV?

Does your TV have a red and white, and (yellow) port in the back? if it does, for Stereo Red is for the right speaker, and while is for the left. You will also need to put the other end Red & White to the cable box too, that is if your tv has these ports, if the tv is too old and only uses Coax, you may need to get a rf modulator, from $6-$12. Hope this helps

Oct 03, 2009 | Sylvania LC320SLX 32 in. LCD TV

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