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My coby 40 inch hdtv does not have sound or picture

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If you have lights on the set then there is power at the wall which means a circuit inside the set is bad

Posted on Jan 24, 2015

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: Model #LNS4051DX/X 40 inch LCD HDTV

Just fixed one of those.

Filter caps on power board 4 x 1000 uF / 10V.

http://www.coppelltvrepair.com

Posted on Dec 11, 2009

SOURCE: My Coby 40 inch HDTV wont turn on. The blue light

I had a 32" Coby that did the same thing, turned out to be a defective main board. The main board wasn't sending the 3.3v signal to wake up the power supply. In my case I sold the tv for parts because it wasn't cost effective to replace the main board. It sound like your main board

Posted on Apr 11, 2012

SD Tech
  • 14553 Answers

SOURCE: No picture or sound just blue pwr light on apex 40 inch LCD what's going on?

first place to begin is if able test voltages in and out of the power board inside the set---if not able to do that consider having a shop look at it.

If you get it open:



8_27_2012_9_12_28_pm.jpg


8_27_2012_9_13_04_pm.jpg

Posted on Aug 27, 2012

SD Tech
  • 14553 Answers

SOURCE: 42 lcd hdtv vizio has sound but no picture

common problem with no common or single answer===time for a repair shop or a tech.

Posted on Sep 04, 2012

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My tv image goes off while watching tv,I do have audio but no image.


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1 Answer

Adjust my 40 Samsung 1080p 120Hz LCD to see the entire picture. t is currently cutting off the edges; left, right, top and bottom


First check if your zoom is on..if it is switch back to normal setting. If picture is still cropped with no zoom then try go to the menu seen string and check for aspec ratio..try different sttings..

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1 Answer

Why won't my hdtv except cable


You need to hook it up to your cable box, not directly to the cable.

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1 Answer

Hooking up a sony dav is 10 to my 40 inch coby lcd tv


Hi, unfortunately Coby is not manufactured any longer. I have a problem not the same as yours, but I can't use my headphone when using my Panasonic Blu-Ray player. Have to use the sony digital surround sound. nothing comes through the Coby...If you have an extended warranty, I would call and have it replaced with another 40 inch brand..They can't fix it.I'm calling to have mine replaced or repaired...sorry i couldn't be better at helping..

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Samsung UN32F5000 32-Inch 1080p 60Hz Slim LED HDTV i want the best picture settings what would you suggest


Refer its user manual for details. Normally, contrast 75%, brightness 40% & color 35% should provide you a good picture.

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1 Answer

COBY LED TV 46" no picture but with sound. Any solutions?


If in warranty,call factory service and they fix for free.
if out of warranty ,call factory service and get price quote.
go to www.walmart.com and look at reconditioned tv prices.
try www. tigerdirect.com sometimes they have deals on both reconditioned and new tvs
go.www.sears.com/tvs
try www.amazon.com
get a bunch of prices & decide what you want to do.
if your tv out of warrantee, I would expect to spend $200.00 or more to fix it.

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1 Answer

Sound but no picture


Second problem with the same thing. Take it apart if you have to. Check the plug-ins. Keep searching the internet.

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4 Answers

My Coby 40 inch HDTV wont turn on. The blue light on front (standby?) is on but I can't turn it on. Help I don't wanna buy a new tv


I had a 32" Coby that did the same thing, turned out to be a defective main board. The main board wasn't sending the 3.3v signal to wake up the power supply. In my case I sold the tv for parts because it wasn't cost effective to replace the main board. It sound like your main board

Apr 10, 2012 | Coby Televison & Video

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