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The screen appears blue after I switch the TV no rain or even a bad picture apear. seems to me that the tuner is completly faulty any idea?

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What make? you dont give any usefull information.
My Phillips TV is blue if I have No Signal
Try inputing another signal from an aux input.

Check airiel is working with another TV

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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1 Answer

Screen black


Here's the test to determine which board is faulty. With the TV on, as usual, shine a flashlight on the screen to see if there is a faint picture. If there is, then the ballast board for the backlights is bad. If there is no visible picture, then the T-Con board is bad. You can get replacement parts here: TV Parts Universal TV Stands DLP Chips ShopJimmy

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My screen is blue and it wont let me see anything


Hello
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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This would appear there is no incoming signal. Check your antenna or cable connection is connected securely & then try to retune the TV once more, you should pick up a picture. If not, if you have a DVD connected via a scart, check if you receive the DVD picture. If this is the case then there will be a problem within the tuner stage, possibly a replacement tuner will be required

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3 Answers

Akai 37'


hi there it might b a little late with this as u posted this in may of 08 but my recent years of tv repair may help it could b the tuner in there older tv set had a similar problem with the tuner try opening tuner box it may need unsoldering but once in check all grounds for bad solder joints and resolder if needed the blue screen u see is normal when no signal input is found making it most likely the tuner.

May 21, 2008 | Akai LCT3785TA 37 in. LCD HDTV

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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


thanks DOCTOR VIDEO

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Usuable signal/blue screen


No picture, just black screen
Check R3414, an SMD chip on the CRT board. There could be invisible bad solder joints
Noisy picture
Replace relay RY481 on S2 board
Picture int disappears leaving snow on screen
Resolder the Xtal in the tuner

Nov 23, 2007 | RCA 32V430T 32" TV

1 Answer

Portable Grundig TV/vcr combo - screen goes blue and then set switches off.


Hi mcloud Your problem is your video circuit.the component could be faulty or it has lose solder.have a tech look on your set for repairs.good luck.

Apr 25, 2007 | Grundig GF70-600 TV

1 Answer

Picture


yes it could ba the cable itself even, but i suspect more the tuner circuit or tuner itself may have bad solder connections. Here is another test for you to try, plug another dvd or vcr, or xbox etc. into the back, using one odf the inputs. See if this works like the built in dvd. if so it will be more likely bad connections in the tuner or surrounding circuit. good luck.

Dec 17, 2006 | RCA HD52W56 52" Rear Projection HDTV

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