Question about Norcent Technologies2703 27" TV

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My problem is my norcent plasma does not have pic or sound it is just a black screen what could be wrong with it

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Try unplugging for 5 mins. Not a permanent soultion. But working for me.

Posted on Mar 16, 2009

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Wharfedale LCD2010AF perfect sound but no picture just dark screen with fuzzy grey and black horizontal lines


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Jun 12, 2016 | Standard (CRT) Televisions

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My screen is black at da top and bottom but its a pic in the middle.its just not showing the whole picture


it sounds like you have a widescreen video on your 4:3 tv. the black bars on top and bottom widen the screen picture.

Nov 05, 2011 | Symphonic ST419E TV

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I try to use my Norcent tv with computer with a vga cable, but I get a "no signal input" memo on the screen vhen I try to set the source. What do I need to do?


you need to set the computer to display on another monitor. You don't say what kind of compture you are trying to hook up, but generally if you right click on your screen and then click either "settings" if XP or "screen resolution" if Windows 7 you can find an option to use the tv as a monitor. most laptops will have the option to "display on projector" option. These alll vary with each computer model, but you have to tell the computer to display on your tv, most won't do it automatically

Mar 16, 2011 | Norcent Technologies2703 27" TV

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Sound no pic. after on for 20min then turned off back on and pic. now it will not get pic just sound


Your TVs CRT socket is faulty. CRT socket is one that connect the base of the picture tube, and can be located on the base card of the tv. It is soldered directly to base card and can be replaced. Unplug the base card from the picture tube neck [Caution: never damage the neck of the picture tube. Only slight pressure should be applied], desolder it out and replace it with a similar type.

Oct 16, 2010 | Norcent Technologies2703 27" TV

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NORCENT PT -4233


Norcent PT4233 no picture, black screen, but has sound. How to repair

The display (PDP - Plasma Display Panel) at the heart of this unit is a LG 42V7 model. There is a known bad solder "defect" on the YSUS board that causes this board to fall unexpectedly.

The bad news is that you have to replace all the primary boards on the display - ZSUS, YSUS and CTRL boards, as the failure can/often takes them all out.

The good news is that LG makes a repair kit for this panel. Its part number is 687VSNB03E and it contains the three boards LG6871QYH036D (Y SUSTAIN), LG6871QZH041B (Z SUSTAIN) and LG6871QCH053G (CTRL).

Hope this helps

Sep 04, 2008 | Norcent Technologies2703 27" TV

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DELL 42 inch Plasma TV


I have a 42" LG LCD TV and just experienced this today. Watching cable, then the screen went to black, but audio continued. I pressed the guide button on my remote and pic came on with my guide menu. But then went to black again 10sec later and has remained that way for nearly an hour. Tried switching off both cable box and TV, disconnecting and reconnecting cables, but no luck. Finally unplugged mains, waited a minute, then turned back on. Everything seems normal now after the reboot. Phew.

Jan 17, 2008 | Sony KV-36XBR450 36" TV

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Sanyo DS24425 24" TV has great sound and no picture(black screen)


if tv have black screen,increse screen control to see vert ic is defective,and if screen is white with lots of line acrose ,you can find open resister,on pic tube board,or in main board near transformer.

May 20, 2007 | Sanyo DS24425 24" TV

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Channnel keeps flicking like your changing channels with remote


when you say flickering??? are you saying the screen goes black and comes back on?? does the sound go out at the same time and comes bag on with the pic ? Is the sound there when this happens but is distorted. Is the pic blacked out or is it greying out with lines and twisting?? Need more info please as if its blacking out and the sound goes with it it may be going into shutdown. If the pic is getting kinda greyish with it twisting and the sound is there and ditorted then the tuner could be bad

Mar 25, 2006 | Sony KV-32S26 32" TV

1 Answer

Plasma TV color problem


Sometimes, poor picture quality occurs when having activated an A-VHS camera or camcorder connected and having connected another peripheral at the same time. In this case switch off one of the other peripherals. Also, The norcent has a known problem with progressive scan - when connected to a progressive scan source, it yields a distorted screen with dual images and messed up colors.

Mar 22, 2006 | Norcent Technologies2703 27" TV

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