Question about JVC AV-27530 27" TV

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Blue screen nonworking tuner

I have the same blue screen and tuner problem described in the previous posting. This TV is 4months out of warranty. I went through the trouble shooting as described in the previous posting.I would like to replace the tuner myself. I have some electronic experience. If I could get the part and a schematic I believe I could do it myself. The TV only cost $200.00 so it is cost prohibitive to get a repair shop to do the repair. Estimate of $130.00 by local shop.

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Re: blue screen nonworking tuner

Yes get number of side of tuner and call around. I use for some cheap parts. But there are others, MCM, Tritronics, Dalbani etc.

Posted on Sep 08, 2007

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I need set up of a tv.

Check and replace its tuner. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.

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My screen is blue and it wont let me see anything

Your TV is not getting any signal at all to process, or the tuner inside your TV is faulty. Blue back screen comes, when there is no signal to any of its input or faulty tuner. Just connect the tV with any other video source, like VCR or DVD , connected to its AV terminals and set the tV to take input AV, and check whether picutre comes in or not. If picture comes with AV connection, make sure that your tVs tuner is faulty and should be replaced. If no picutre comes with AV connections too, the Chroma Ic insie your TV is faulty, and should be replaced. OK.

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My rca flat screen tv has a blue tint to the screen that comes and goes. It is like 5 lines of blue on the screen. There is one line that comes down the left side which is not blue. Basically the picture...

The symptom you are describing could be one or two things, if it works for a while then starts to act up this coulb be an indication of a bad solder joint. But it may also be the CRT or the picture tube. Try tapping on the sides when it starts to act up while watching the picture to see if it clears when its tapped on. If it does then you have cold solder joints on the main board, this is a easy fix. IF it does'nt then I suggest you contact your store for warranty info to have the CRT replaced or the television exchanged. Since its still under warranty you might as well use it before it expires...

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1 Answer

Blue screen, no picture

Hello celiap,

There is no reset button in the way you are thinking of a reset button. However because the TV is responding with a blue screen this means that the tuner input might have been damaged by the power surge. Have you tried to see if the tuner can pickup analog channels? turn the TV to a station that is normally strong in your area and see it the station can be picked up. If it can the tuner is working and the problem might be in the connection, if this test fails then I would assume that the tuner is bad and needs to be replaced.

I hope this helps

Thank you,


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According to a previous post the TV is analog.

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Heard a pop and screen went blank - won't come back on.

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the problem of ur tv is tuner,try to solder the tuner

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can you describe what type of problem the picture was having before it went out/ Also need the model number of your set. Please respond to this same post so the previous info is available when You post the model number.

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1 Answer

Sharp v29j200s always blue on the screen

Sharps are known for bad tuners and cold solder joints.If you tap on tuner and picture comes back there is cold joints in tuner, If not most likley bad tuner. if the audio is there with blue screen it is the tuner definitly.good luck


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JVC 36 inch televivision i bouhgt it about 6 years ago

The lightning probably zapped the tuner in you set. If no signal is present the screen is muted (BLUE).This is a feature to prevent your seeing snow on the screen. Stargazer

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