Question about Proview PL913S 19" Flat Panel LCD Monitor

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TV Backlight turns off after a sec

Hey, I got the proview pa-19dk5 900t tv. I recently started having a problem with the backlight. It turns on for 2 seconds then turns off. I know everything else works because I had my cable plugged in and I could still hear the channels and my xbox in the vga plugs. My brother was an electrician back in the day so I got him all the caps and got new ones installed but it still has the same issues. The only cap I couldnt replace was 3- 680uF 25V caps because I couldnt find them in stores. Any idea of what it could be?

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  • Naweed_h@yahoo.com Jul 15, 2009

    i dont think its the back light, i plugged in a screen from a laptop into the sockets and it did the same thing with the screen

  • Ben Wabnick
    Ben Wabnick May 11, 2010

    the screen itself is defective the light stays on for so long before it craps out. doesn't have to do with caps

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How did you open it? I have one, but there are 4 recesses that look like they should be for screws, but now screw. And the back is held at those points.

Posted on Jan 26, 2011

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Check the backlights somtimes the wires come lose and need to be resodered back or the backlights need to be replaced. Try shinging a flashlight on the screen to see if you can see anything

Posted on Jun 15, 2010

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Its not the lights because i plugged in a screen from an old dell laptop and it does the same thing, light turns on and off in a few seconds

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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1 Answer

Sounds from tv when titles appear


U mean the tv have pictures flashes only a few sec. than dies have the tv pragram sound left only?Yes? Mean ur tv have a tv LCD Screen Panel have no tv LCD screen backlight to produce tv pictures tv now are having backlight problems.The tv have 1 or 2 long boards that are called LCD inverter boards problems and the causes.These 1 or 2 long Lcd inverter boards only job are to produced backlight for the tv LCD screen panel to hold on to give the tv screen panel to have pictures only.Tries websites like Shopjimmy.com,EBAY.COM to those refurbishes 1 or 2 long LCD inverter boards for the replacement.

Oct 03, 2011 | Philips Televison & Video

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My new 55in sanyo lcd tv has sound but no picture. The tv is one week old. Is the problem the backlight or something else?


Tv only a week old take it back were u bought it,trade it in for another tv.Tv have a picture than flashes only a few sec. than died have sound left only?Yes,than those tv 2 long LCD inverter boards are dead.These tv 2 long LCD inverter boards are only to help the tv to have a backlight for tv LCD screen panel only to produced pictures.

Jul 14, 2011 | Sanyo DP46849 46 in. HDTV

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Sound no picture. When turn on quick flash blue light then nothing. Product#RX326 model 3200 made July 2005 bought used


Backlight inverter is bad. You will need a direct replacement.


Search shop jimmy.com and encompass parts.


The backlight inverter is the part that allows for the illumination of the tv itself.


Thank you

Jul 07, 2011 | Proview Televison & Video

1 Answer

My proview 3200 has picture but no sound


Hi gravdar4,
Power on the unit in the dark room then aim the flashlight directly to the screen, you will barely see the images. This is because your backlight is not functioning. The following reasons are the caused.
1. Power supply- missing B+(supply voltage) coming from this board feeding the inverter board. This was caused by faulty transistor, dried/leaky electrolytic capacitor, open fusible resistor.
2. Inverter board- even the B+ was present from the power supply, if the fuse, driver transistor, driver transformer was faulty, no output to the backlight resulting to black picture.
3. Busted backlight
Diagnosing the fault istechnicaland if you don't have necessarytools and test instrumentand can't fix it yourself, I would advice you to look for anexperienced technicianto isolate the problem.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.


Jun 12, 2011 | Proview PA-32JK1A 32 in. LCD Television

1 Answer

32 in, LCD will turn on, sound but no picture. It was playing and just faded out, can't get the set up screens or any thing. When turned on it acts like it will come on for about 5 sec, picture starts to...


0ne of 3 has failed:
(in order of probability):

1. Backlight inverter
2. Power Supply
3. Backlight

More specifically on #1 and #2 - capacitors either bulging, leaking, or exploded.

Please seek the expertise of an experienced TV repair technician - as they contain potentially lethal voltages that must be properly discharged before work can begin.

Thanks!^%$

Feb 01, 2011 | Memorex MLT3221 32 in. LCD TV

1 Answer

My screen just went black - we get sound and no picture.


First turn on tv.U have a few sec.of picture than just dies and have sound only left?Yes,than the 1 or 2 long board call the LCD inverter boards are dead.These 1 or 2 long LCD inverters boards help the LCD screen to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those refurbishes 1 or 2 the long LCD inverter boards for the replacement.

Jul 10, 2010 | Proview PA-32JK1A 32 in. LCD Television

2 Answers

Comes on ,but no pic or sound.light blue screen. i think the blub is gone


You can tell if the bulb is out by powering up the TV and holding a flashlight to the tv. Put the flashlight close to the screen and see if you can see any picture. If you can see picture, then it's the backlight. If you can't see pictures it is probably a more serious issue and would likely need to be repaired by the manufacturer.

Feb 24, 2010 | Proview PA-32JK1A 32 in. LCD Television

1 Answer

My Proview LCD tv is black but I can hear everything sometimes the picture comes back on but goes back out...what is wrong with it?


Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board u will get ur picture back.Tries Shopjimmy.com,Ebay.com for a refurbish LCD backlight inverter board.It a long shape board.

Feb 15, 2010 | Proview PA-32JK1A 32 in. LCD Television

1 Answer

Nov 21, 2008 - I have a proview 19" LCD TV PA-19DK5. In the last few days when I turn on the tv the picture appears and disappears after 1 sec. audio is fine, when I use my xbox 360 through the component...


Please post the pictures, that will help. Do find any fuse in the inverter circuits, if you do have 5v (for logic) and 12v (for backlights), then may be the power supply is OK but I am not sure that the inverter is using 12vdc since you have some caps rated at 35vdc, Iwould expect the inverter to be using 24vdc for backlights. See some of the pictures I posted here: http://s807.photobucket.com/home/budm/allalbums

Jan 11, 2010 | Proview PL913S 19" Flat Panel LCD Monitor

1 Answer

No Picture


Backlight Bulb is out.
You cannot purchase these as a spare part, you must purchase the complete backlight.
Backlight cost is more than or equal to a new TV
You may sell this TV on Ebay (list your exact symptom). Start at 100 you will get about 250. Take this money and buy a new TV.
LCD backlights don't fail often but when they do there are no part available to repair them so you get stuck buying the complete assembly part. This is more expensive than a new TV since LCD prices have dropped so much in recent years.

Apr 19, 2009 | JVC LT-32E478 TV

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