Question about Sanyo DS20930 20" TV

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Power on problem, very strange.

I just want to tell everyone first, that I am not very technically knowledgeable about televisions. I have a Sanyo 20" Flat Screen TV. I was watching my TV with no problems about 2 hours ago (from this time.) I turned it off, left for about an hour, and to my surprise, it sort of doesn't work. When I attempt to turn the TV on, it will turn on for about 3 seconds and it will shut off again. I have tried moving the TV's power to different sources a few times. It still does it. Now the strange thing is that when I attempt to turn the TV on in between unplugging and plugging it back in, I can only get three attempts to turn it on out of it. The 4th time you try to turn it on with the remote/power button, there is no response. Then I unplug it for about 3 minutes, plug it back in, and it will repeat the same thing (turning on only 3 times and turning itself off.) Like I said, I don't want to try open up my TV (cathode ray tubes can store an immense amount of electricity even when its unplugged, like a CRT computer monitor. I am no professional. I want to know if I can fix this myself or if I have to pay big bucks to get it fixed and rather just toss this one) Thank you for any help! It is appreciated!

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  • Kaiga Sep 21, 2007

    By the way, I have verified that the TV is a DS20930 20". I found and downloaded the technical service manual. I have no idea what any of that stuff is. I can put it up on a file server if anyone would like to download it.



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I want to know if I can fix this myself or if I have to pay big bucks to get it fixed and rather just toss this one) as you are not tech person so you can not do it. it is not a big problem there might be problem in power supply. you need not have to big bucks.

Posted on Sep 21, 2007


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Hi Raven

Is this a Question?

or are you just telling us that the volume won't go up?

Modern TV's are digital computers
So, the volume buttons don't actually turn up & down like in the past.
The internal computer gets up/down values from a register. Then it performs the change to the Amplifier.

SO... the point is
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please take a moment of your time and vote for me, if you found this info useful

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1 Answer

DP42746, same as the others!!!!

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Did you get fooled? Hard one to answer. It more than likely was the result of the sales person's lack of technical knowledge. "Digital" and "Digital Ready" designations have confused just about everyone since "digital" was first introduced to television.

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Picture goes black

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First check the cables which lead the signal -antenna/satellite/cable if they are not broken or with damaged connectors.
Scart cables sometimes tend to have too heavy and stiff leads for the weak SCART plugs. This is NOT an issue with HDMi sVHS or any other.
If it's none of these the problem is probably a power lead of the screen and if you don't feel like opening the back of the box, it would be just fine to take it over to a repair shop or to the centre where you bought it if you still have a warranty.
if not find a Sanyo service near your location(refer to ) or take it to any home electronics repair shop.

rate pls

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