Question about Coby LEDTV2426 24 in. TV

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Coby led TV won't turn on but blue light is on

Tried unplugging TV for hour

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3 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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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

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SD Tech
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SOURCE: my coby tftv3227 tv won't turn on and has no sound plugged it in new power source and still nothing what to do?

I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.5_27_2012_5_44_12_pm.jpg5_27_2012_5_44_31_pm.jpg

Posted on May 27, 2012

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If its two weeks old why are you here? Take it back to point of purchase and either have it fixed or replaced or get a refund.....

From the brand you likely are in UK but here all sets come with some kind of warranty==the problem sounds like a power supply issue but if you have a warranty and open the set it will void that warranty.

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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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