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With raster no sound no video all inputs not working blurred image

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  • 127 Answers

Looks like low, not enough juice.Power supply defective.Replace it
and will work.

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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1 Answer

Sound on but no pitcher


Sound on means audio section is ok. No picture is video board problem. Pl check input cables. Or give Hdmi cable input. Disconnect all inputs switch on u should get plain raster that is only dots on screen, or blue back screen, if nothing contact authorised dealer,

Feb 08, 2015 | Panasonic TH-L32C20X 32 inch Multi-System...

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Help


are you able to get video using a dvd input??

please check if its a signal fault of video boards fault

Aug 27, 2008 | Sylvania 6632LG 32 in. LCD HDTV

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Panasonic CT-27G14A


Have you tryed both the front and the back inputs?

May 17, 2008 | Panasonic CT-27SL15 27" TV

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When tv is powered on tv only displaying channel number and sound -no raster. using video mode displays are ok. sound is also ok


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Dec 06, 2014 | Sharp Televison & Video

1 Answer

I have sony bravia LCD tv. i am getting problem in display... it looks too much brightness n blurred image... i reset it but no change... but when i plugged cables in another video input.. its clear..


that means you video input, where you are not getting clear display is faulty. the video processor associated that video input is faulty & need replacement. if it is not avialable saperately you need to replace the whole board.

Sep 26, 2011 | Sony Televison & Video

1 Answer

Audio is okay-blue screen will show on no input-audio can be heard but dark screen when any input has a signal. It is detected as 480 but no video,,,no raster on rf inputs Have electronics background can...


the problem is solved by expert electronic, because your tv have cpu program and need reconfiguration this program,
And other question is you check cable conexion
you check conexion
you check format/image programing (NTSC/PAL) if in the setup or menu have the best configuration, no all problem is the component electronic...
oh, you read manual step by step...

bye

Mar 07, 2010 | Mitsubishi WS-55807 TV

1 Answer

Picture a little blur


are viewing the image on any kind of zoom setting?

if not have you tried adjusting the Raster?

press and the hold menu button.
After a few seconds press menu button on remote.
The service menu will appear.
You can change almost everything but Raster will allow you to align the picture correctly.

DO NOT USE YOUR REMOTE TO DO TO CHANGE THE SETTINGS

Oct 30, 2009 | Zenith R57W46 57" Rear Projection...

1 Answer

Toshiba no video sound is fine


If you can see the menus this means the CRT, high voltage, scan amplifiiers, the output video processor, and CRT drive circuits are working. The fault is most likely in the video section of the input select circuits.

Maybe the Toshiba parts department can supply a service manual for your set. With a signal source, a scope, and a DVM, an experienced technician can troubleshoot your set to locate where the failure is occuring.

I have not serviced this model, but in other models I have found the main input select IC to be defective. In some cases I also found a bad voltage regulator IC that supplies the input section has failed.

Jerry G.

Dec 16, 2008 | Toshiba 36A42 36" TV

1 Answer

Blurred image on panasonic tc21p50r


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 09, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Sony trinitron 32 in. pip no video, (raster, with audio)


What you have described there is a classic example of the jungle IC failure. Ic301 Sony p/n 8-752-101-04. A pic with no color, and lines or grainy texture in the picture. Not a project you want to tackle if you don't have the proper soldering equipment or skills. And not a costly one at a good repair shop.. Only real hurdle is getting that heavy monster into the shop. To answer your question, yes what you described there is raster. Even the salt & pepper looking screen with no real decernable image is described as raster. In fact any image generated on the CRT is raster. And yes, these sets are prone to solder joint problems, usually ring cracking in circuits that generate the most heat.

May 20, 2007 | Sony FD Trinitron WEGA KV-32FS100 32" TV

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