SVA-USA SVA VR 15A 15" Flat Panel LCD Monitor Logo
jamil akhtar Posted on Sep 07, 2013

I have SVA VR 15A Flat Panel LCD Monitor . but not be on, his problem is a i attache to VGA Cable with PC and on it , but first time he is on only 3 second and then ,end the his screen display but power is on . plese tell me what i can with my lcd

1 Answer

Kevin Worrell

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  • Contributor 45 Answers
  • Posted on Nov 24, 2013
Kevin Worrell
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The power supply has a bad capacitor. It's 4700uf at 16v, electrolytic. You'll notice it from the slight bulge in the top that may be very apparent or barely visible. Replace it with a LOW ESR cap of at least the same voltage rating as the original if not greater. Simply de-solder the old one from the psu board using a soldering iron and some solder wick, insert the new capacitor, polarity correct, and you should be fine.

The capacitor will cost about $2.00 not including shipping. Here's a link to Mouser. Don't buy this capacitor until you've verified the value and voltage from the one on your monitor power supply. It's alright to use a slightly higher (up to 10%) value of capacitor and the voltage doesn't really matter as long as you're over the rated voltage of the unit you're removing.

Don't do this if you have no experience, the voltages are high enough to hurt you and you may regret it. This monitor is worth less than the cost to repair it but if you're set on it fine.

3 Related Answers

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on May 20, 2010

SOURCE: SVA VR 15B (Black) 15 in. Flat Panel LCD Monitor: reinstalled windows and sound will not work. i th...

Try www.driverguide.com
Or the manufacturer of the mother board website.
http://s807.photobucket.com/home/budm/allalbums

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Anonymous

  • 1138 Answers
  • Posted on May 27, 2010

SOURCE: Display or power issues with my 17'' LCD screen (SVA LCD #7500L )

Check the high voltage ballast transistor.. see if one of them is burnt... If none.. it could be overheating when supply with current. The ballast transformer supply high voltage for the backlight inverter..If these were overheating then the supply voltage for your monitor will be unstable.

Check also the backlight inverter (cold cathode light) if it is busted.. the function of this backlight inverter is to give display image on the screen.. If these were busted then what you will be seeing is black on your screen. You can also replace this.


Please rate this solution if this help you. thanks..

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Jun 25, 2011

SOURCE: USER Manual For Need a SVA VR-17B LCD Monitor

Did you try their web site? http://www.sva-usa.com/
This is 2005 model so it will be real hard or impossible to get.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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