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Olevia lcd tv new power supply screen still black

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There should be some fault with its main digital board. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electric shock. Instead, contact any experienced service technician, or the nearest service center.If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2380 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window.http://electronicshelponline.blogspot.com/

Posted on Apr 30, 2013

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Posted on Jan 02, 2017

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SOURCE: Syntax Olevia 30" LCD - blue screen, then black screen, sound is on

you have a broken inverter board. I have a LT30HV, and it had the same problem. The inverter board supplies power to the backlight. Swap it out with a good one, and you're back in business.

To test, take a bright flashlight and point it at the screen just an inch or so off the surface. If you can see your picture, then you have a blown inverter.

it may not be worth fixing it. Wait for a good sale on a new one. My inverter cost about 150, and it was a remanufactured part. Not as good as the original part as it flickers just a tad. I had to take the entire TV apart, with pieces literally everywhere. My cats loved it.

Posted on Nov 15, 2008

  • 1 Answer

SOURCE: Power issue with Olevia LT23

this is bull do...The same thing happens with my TV I Have the Olevia 23" and the power will not turn on.
$700 shot, who cares about the rebate when it works on a short while...

Posted on Nov 24, 2008

  • 1 Answer

SOURCE: Need a Power supply for a LT26HVX Olevia LCD

Cheap parts were used in the construction of the olevia. I replaced 2 capacitors that were bad on the power board and the tv works fine now

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: Power on problem for My Syntax Olevia LCD TV 23"

I have a 24" Olevia LCD TV. Same symptoms (Stdby LED is on, press power and it flashes off, then back on). The USB cable to the Service Port also worked. But being of sound technical mind, I figured this means that the PC is supplying the +5v to the circuit. What I did was disassebled the TV, carefully disconnected all the cables, and opened it up to reveal the circuitry. I looked over the circuit and noticed the 1000uf/16v capacitor at position CS21 was failed and bulging. I removed the cap, tested it and verified that it was indeed failed. I went to a local Radio Shack and picked up a 1000uf/35v electrolytic, after all, the value is what mainly matters as long as it's not lower voltage than the original. I replaced the new CS21 capacitor back in the circuit (it is polarity sensitive, so pay attention to what the original mounting position is). I reassembled the TV and Viola! Works! No need for the USB cable to the Service Port!

I hope this helps someone!

-Matt

Posted on May 18, 2009

  • 2 Answers

SOURCE: Power supply problem?

necesito comprar la fuente de alimentacion electrica de mi tv olevia lt37hvs mi correo es luis19rpm@hotmail.com

Posted on Jul 10, 2009

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1 Answer

Bought a new power supply and now screen is black power supply has 52.7v going to the inverters but it should b 24v can someone help


leakage current problem because this cause to increase the current, indication of some short capacitor, diode short, etcTest the resistance method by to findo the problem or use the current method to isolate the problem. use the schematic diagramGod bless you

Apr 05, 2013 | Olevia 42" 242-t11 1080i widescreen hdtv...

1 Answer

I have a Olevia lt37hvs, When i plug it in the blue(olevia)light comes on then goes off and the screen will be blue for 5-6 second then go black for 1-2 seconds then screen goes blue again and it just...


tried to connect again the supply for main board and disconnect the supply for the inverter board of back light. and turn on the tv, if the indicator stay the inventer board was the cause of voltage drop at the power supply board.

Sep 08, 2012 | Olevia LT37HVS 37 in. LCD HDTV

1 Answer

Screen went black look at power supply it look like water damage


Hello,

Did water actually entered into the TV?

A burst capacitor can splash liquid on the power supply board. So check for any burst/blow capacitor on the power supply board..... Also be ready to make replacement.

Good luck.

Mar 03, 2011 | Olevia LT32HVM 32 in. LCD Television

1 Answer

Who services olevia tv


The common parts that go out n the TV is the power supply module and the backlights inverter board, right now the 24vdc power supply section may not be working or the backlight board is bad.
See and learn more here: You can look at the price of the parts at shopjimmy.com
http://s807.photobucket.com/home/budm/allalbums
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Parts: try www.shopjimmy.com or Ebay

Jun 16, 2010 | Olevia LT37HVS 37 in. LCD HDTV

1 Answer

Olevia tv, no power


This the common problem for Olevia TV, open up the back cover, locate the power supply board, look for the electolytic capacitors top that is slightly domed, replace them, they usually 1 or 4 that is bad, buy your replacement's at Radio Shack

Jun 06, 2010 | Olevia LT37HV 37 in. HD-Ready LCD...

1 Answer

Tv repair


I soudcs like the backlight inverter board is bad or the power supply is npt supplying 24vdc to the inverter board.

Oct 31, 2009 | Olevia LT37HVS 37 in. LCD HDTV

2 Answers

Syntax Olevia flat screen tv video goes off then on


Hi, Replace the bulging capasitors on the main power supply board. Thanks.

Sep 22, 2009 | Insignia 37" LCD Flat-Panel HDTV

4 Answers

My pwoer supply blew up as well part number HGP 180-p240JIFE


Ladies and Gentlemen,

Relative to Olevia TV Power Supply Problems Solution provided by: kb8tez Matt, the problem he had was Electrolytic Capacitor CS21. Upon careful examination of the Power Supply Circuit Board I find that CS21 is in parallel with CS22. Simply replacing BOTH Capacitors makes for a more permanent fix. Radio Shack P/N 272-1032 1000UF 35V Capacitors @ $1.59 each plus tax makes a very inexpensive repair. Apparently the same power supply circuit board is common to many different Olevia Models.

Fastest Robe

Aug 25, 2009 | Olevia LT37HVS 37 in. LCD HDTV

1 Answer

Olevia Kolin PT-501 LCOS TV Screen remains black and lights flutuate


I have the same TV and had the exact same problem. I had to replace the lamp and power supply in mine to get it to work. Unfortunately...its next to impossible to find the parts, at least the power supply. I found the lamp online and I was lucky to get the online store I purchased the TV from to send me a power supply from one of thier stocked models, but only after I turned them into the FTC Consumer Protection. The TV was sold to me as a closeout but new, as it turned out the tv was a refurb, thats the only way I could get the parts I needed.

Hope this helps and if you need any other information please let me know.

T

Nov 07, 2008 | Olevia Kolin DLT2711M 27 in. LCD...

1 Answer

Syntax Olevia 30" LCD - blue screen, then black screen, sound is on


you have a broken inverter board. I have a LT30HV, and it had the same problem. The inverter board supplies power to the backlight. Swap it out with a good one, and you're back in business.

To test, take a bright flashlight and point it at the screen just an inch or so off the surface. If you can see your picture, then you have a blown inverter.

it may not be worth fixing it. Wait for a good sale on a new one. My inverter cost about 150, and it was a remanufactured part. Not as good as the original part as it flickers just a tad. I had to take the entire TV apart, with pieces literally everywhere. My cats loved it.

Oct 21, 2008 | Olevia LT37HVS 37 in. LCD HDTV

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