Question about Jwin JVDTV23 23 in. LCD Television

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Please let me know what to do my e-mail address

Posted on Jan 09, 2009

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Tv wont reset

Replace its main system control memory IC, and make an initialize. If you wish to get more details, surf the following link. There are over two thousand and four hundred posts. All are related to television and other domestic electronic equipment service help. You can get a solution there. Type in the brand name to your device to its search box, can be located at the top right of the display window. It will make search easy. More than Nine Lakh viewers cannot be wrong.

May 10, 2013 | Jwin Flat Panel Televisions

1 Answer

Just stopped working. doesn't seem to get power to TV

My advice to you is this. You first need to decide if you really want to get it repaired and how much you are prepared to go to. Sometimes the repair cost will be nothing near as high as you might be assuming or imagining.
Anything can fail at any time in any electrical equipment. The list of components to choose from fill many pages of the Parts Manual.
The only person who can give you a definitive answer is the qualified Technician you get to check it out for you for a fee you are willing to pay in order to do so.

Stay safe and leave it to an Expert.


Aug 02, 2011 | Flat Panel Televisions

2 Answers

I have a problem with my 42pfl5332d/37 lcd tv. I replaced the main unit because I had a tech check out the tv and he said it was the main unit and wanted to charged me $325 to fix it. I actually have 2...

You probably have a bad T-con board. It is located (looking from the back) top center. First try to uplug it and plug it back up (reseat the plugs). I would take the T-con board out of your working tv to see for sure.

Jun 16, 2011 | Flat Panel Televisions

1 Answer

I was told by a service tech that my vizio tv model VT420M has a bad main board and that the board is not available. I have spoken with 2 more service companys and told the same thing. The set is 5 days...

I just now called vizio and read your request word-for-word to their technical support person.
They have been known to fix these sets out of warranty. Although the girl said that she wasn't authorized to make that decision.
She told me to have you call this number 877-698-4946 Tomorrow when their level 3 technicians were available. She says that when you call the 1st tier tech support person will then send you one to these senior techs who can make the decision to cover it under warranty. My personal opinion is that they will take care of you. They say the "squeaky wheel gets the grease" I would go ahead and squeak. There is a link I've provided below to help.
I hope the helps,

Jan 19, 2011 | Vizio VT420M LCD TV

1 Answer

I have no color on my Samsung Flatscreen TV


This means absolutely no color - equivalent to a black and white picture. Not even a hint of color.

First, confirm that the source is actually in color - try another channel or input device.

Next, check the settings of the color control - it may have accidentally been turned down. If your TV has some kind of automatic picture mode, try turning if off and adjusting the color control. Try adjusting fine tuning if you have such a control and the problem is with a broadcast or cable transmission.

At this point with a confirmed color signal source, there is a problem with the chroma circuitry.

Note that to the average person, the obvious question becomes: is my color picture tube bad? The answer is a definitive NO. It is virtually impossible for a defective CRT to cause a total loss of color. A defective CRT can cause a lack of a primary color - R, G, or, B or a short between two colors which will mess up the color but is not likely to result in a black and white picture.

Some possibilities in no particular order:

Weak signal or defect in tuner/IF causing loss of signal strength.

Coler killer set too high (internal control) if it has one.

Defective part around the chroma chip/circuit. Faulty color oscillator.

Bad connections in area of chroma chip/circuit.

Defective chroma chip (don't suspect this first just because it is probably very expensive).

Try prodding the main board around the chroma chip with an insulated tool to see if you can make the color come and go.

I had one set where a $.02 resistor decided to open up causing just this problem - perfect BW picture, no color. Another had a coil with a broken wire.

Jun 14, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

Replace main board on LG 42LC7D-UB

Try this place,

I the best place I know of to get parts at a good price.
There are a couple of boards that have different part numbers. You'll have to match the part# with yours. It maybe out of stock, but click on it. Then click on "find other products with this part number". Then all the main boards show up with that part number. A couple of them should be should be in stock.

Apr 16, 2009 | LG RU-30LZ50C 30 in. HDTV-Ready LCD...

1 Answer

Replace main board on LG 42LC7D-UB

not sure what you're referring to as a "main board", but heres the LCD Control Board for the TV

Mar 13, 2009 | LG 42LC7D-UB Television

3 Answers

No video just sound

this should read"The sound comes in perfectly clear, just NO video."

Jan 10, 2008 | Samsung HP-R4252 42 in. Plasma HDTV

2 Answers

Right third image filled vertical lines when hot

The Philips service folks in India told me its a panel issue and panel needs replacement . They advised me to go for a new TV instead.

If you guys learn anything new ... do let me know ... Viva

Oct 29, 2007 | Philips 26PF9946 26 in. LCD Television

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