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07 VIZIO VW42L HDTV10A FLICKERING SCREEN

HAS 4 V9A PET 470UF 35V 105C (M) CAPACITORS I WAS TOLD TO USE BETTER CAPS WHICH ONES ARE BETTER?

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6ya6ya
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Posted on Jan 02, 2017

zeusfaber
  • 247 Answers

SOURCE: What kind of capacitors are those?

Have another look at the capacitors you've got. If one of the leads is marked as negative (suppose it's possible that the other would be marked as positive instead, but the standard is usually to mark the negative) then you don't need a bipolar capacitor (for capacitors with one lead coming out each end, look for a band round one end of the capacitor with small minus signs printed on it. For capacitors with both leads coming out the same end, look for a stripe down one side). On the other hand, if there's no indication which lead is meant to be which, you probably need bipolar. If your application needs low ESR, then it needs it. If it doesn't, putting low ESR caps in will do no harm other than pushing the price up a bit and maybe having a bigger footprint. A.

Posted on May 04, 2007

  • 1 Answer

SOURCE: Broken LCD Screen on a Vizio VW42L. Where can I buy one?

Hello Sesman200,
We have a good screen in Stockton, CA... Call us at 209-465-6139 .. Dave
Thanks.

Posted on Jul 20, 2009

iseeu2
  • 4 Answers

SOURCE: vizio vw42l, the vizio light turns from ornage to

Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.

Posted on Sep 02, 2009

  • 4 Answers

SOURCE: Vizio VP322 HDTV10A won't turn on

I replaced 3 capacitors and fixed this problem. They were 1-10v 1000uF and 2- 10v 3300uF electrolitic board mount capacitors. Easy to spot on the power board, the tops were bulged up. $5.54 later it works perfectly now.

Posted on Dec 28, 2009

  • 1 Answer

SOURCE: Vizio 42" LCD Screen (VW42L FHDTV10A) Screen is cracked

Hello, I have a Vizio 42 in screen in perfect condition if anyone is still interested. The back lights went out in the TV and I decide I wanted a bigger one anyways. I am will to sell very cheap and have already removed it from the TV as I was getting ready to list it on eBay. The parts are already listed. It's a Vizio 42 in VW42L HDTV10A. Anyone interested e-mail me at aspires1984@gmail.com I will ship via UPS as well.

Thanks,

Andrew

Posted on Sep 01, 2010

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Most likely you have 4 leaky 470uf 35v capacitors on the inverter boards. I have repaired many of these sets with this problem. The total cost is about $5 in parts. Are you wanting to repair it yourself?

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There are 4 capacitors that need to be replaced to solve this issue with WKKT Model No: 0158-06-03 These caps are listed below. C106 470uf 25v recommended (470uf 35v) C29 470uf 25v " " C6 10uf 25v C100 47uf 25v

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42 inch screen has a strobe effect when turned on. Picture is there and sound is there but watching it flutter for about 5-10 minutes then goes away. I was told it is the backlight. .


MOST LIKELY YOU HAVE FAULTY CAPACITORS ON THE INVERTER BOARDS. THEY SHOULD BE 470UF 35V TYPES. THERE SHOULD BE 2 ON EACH INVERTER BOARD. If the tops of the capacitors are bulged, that's most likely your problem.

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Vizio VW42L HDTV10A, Black screen name display on no sound nothing,VIZIO tech says suapects backlight bulbs, but why wouldn


If the backlights lamps are bad, you will not get picture but will still have sound. Lamps (est. life of 50k hours) are rarely goes out, its electronics that go out first. I do not think the person you talk too ever work on the LCD TV.
More liekly that the 12v (for sound) and the 24vdc (for backlights) power supply section is not working.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
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
Parts: www.shopjimmy.com
Parts: www.interliquidparts.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
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.

Oct 22, 2011 | Televison & Video

1 Answer

My 42" Vizio LCD HDTV


It can be the unstable power supply due to bad DC filter caps, bad T-CON boards, main board.
I would inspect the power supply first for caps with domed tops.
Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
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.
Please leave rating if it helps.

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3 Answers

42" vizio vw42l - no picture or sound


If the backlights for the screen do come on and you also have 12v and 5v feed the main board then it does sound like the mainboard will need to be replaced.

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1 Answer

CAPACITOR 1000 UFD 16V 105C FOR MITSUBISHI WD-52525 52 IN. TV


no you cannot substitute a 680uf 16v 105c in place of a 1000uf
if you want to put a better capacitor in place of the old 1000uf 16v 105c , then use a 1000uf 25v or 35v 105c
the voltage rating will allow the cap to better handle the circuit

Apr 01, 2009 | Mitsubishi WD-52525 52" Rear Projection...

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5 Answers

Can changing 3 capacitors on motherboard solve my problem?


We had a power surge and my VL2018W LCD monitor stopped working... blank screen and flashing blue light.

I carefully opened up the back and found the power board (the one the AC plug goes into). There were about 5 electrolytic capacitors that were bulging (but not ruptured). There were 3 with the values listed by the original poster (470uF @ 25V) and 2 with 1000uF @ 10V.

I scrounged a couple of 2200uF@10V caps for the last two and bought 3 470uF @ 35V caps from Radio Shack (P/N 272-1030).

Luckily, the monitor came right back up and seems to be OK. It was out of warranty, so there wasn't a big risk.

Just increasing the working voltage won't do that much for you. If any caps are bad, just replacing them with the same value is good enough, but a higher working voltage won't hurt (usually means a bigger cap).

Good luck.

Rich

May 04, 2008 | Princeton Digital VL2018W Monitor

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