Question about Standard (CRT) Televisions

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Blank screen when tv switched on -audio only

Hi
i have a dual drf 2810 colour television reciever.

My tv is not working properly, the tv is switched on. then a blank (black) screen appears with audio until a few hours later the picture appears slowly from a blurry image to a sharpened one.

which part needs repalcing and is it a diy task?

i have already had a memory frame replaced last year.
thanks

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  • 71 Answers

Definetly not.D.I.Y. its a convergance fault needs a service centre

Posted on Dec 10, 2008

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Alba tv, Suddenly gone to black and white with no colour on any channel or when playing DVD, but blank blue screen when configuring, is there a setting or switch somewhere I need to use?


Enter into menu, go to picture settings, and select the system settings option, and make this adjust to "Auto". If it too do not help you, contact any service technician. Will be a fault in the main board. Gopakumar Gopalan Google

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Akai colour tv cft3230


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hope these helps,

thanks for choosing Fixya for assistance!

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I own a rca tru flat model 27F520T and the tv signal is via a starchoice statelite reciever. I recently purchased a Toshiba DVD SD7200. I am trying to view dvd's with the hook up to the statelite...


Try this steps
On the backside of your satellite receiver, you will notice a bunch of connections. If you already have your coaxial satellite cable connected to the INPUT on the receiver, leave it connected. Disconnect and remove the cable connecting the receiver to the television.
Grab your A/V composite wires and insert them into the Audio/Video OUTPUTS on the back of the satellite receiver. These are color-coded connections--red to red, white to white and yellow to yellow. The red and white connections are your audio feeds and the yellow is for your video.
Look on the backside of your DVD/VCR dual recorder. You will see similar connections. Connect the other end of the composite wires to the Audio/Video INPUTS on the DVD/VCR dual recorder.
With a second set of A/V composite wires, connect one end to the DVD/VCR dual recorder's A/V OUTPUT and the other end to the television's A/V INPUT. Again, be sure to follow the color code. Also, if your television has more than one available input, be sure to know to which one you made the connections (A/V 1, A/V 2, etc.)

Next, tune your television to the proper input channel. Look on the television's remote control for a button that is labeled "Inputs" or "A/V." Press it until you see the correct A/V channel appear on the screen. If you made your connections in A/V 1, then the TV should display "A/V 1" in the corner
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Now, just turn your equipment on and settle back to watch your favorite show or DVD




Jan 10, 2011 | RCA TruFlat 27F520T 27" TV

2 Answers

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try to disgusting it and next time don't near it the magnet or speaker

Sep 25, 2009 | Standard (CRT) Televisions

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TV SREEN GOES BLANK, BUT AUDIO CONTINUES NORMAL,


Try unplugging for 36 hours. I had the same problem but with no sound and picture

Mar 03, 2009 | Sony KP-53HS10 TV

1 Answer

Blank screen on panasonic television


Hi, u have clearly mentioned that u are able to hear the sound from ur television. So the audio port of ur tv has no problem. The problem is that the picture tube of ur tv has damaged totally. Video output port has lost its ability to display on screen. If u are in a option of repairing ur tv its better to get a new picture tube or else if u opt for purchasing ur new television its well and good. but the cost for replacing ur new picture tube costs more.

Jan 26, 2009 | Panasonic Standard (CRT) Televisions

4 Answers

Sony trinitron wega KV HW21M83


Hi i have a similar problem but instead of the audio its the colors
reds look purple oranges look kinda tan blues look green etc please if you have the factory values for my model tv which is
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May 11, 2008 | Standard (CRT) Televisions

1 Answer

Sony trinitron tv kv type


The screen voltage adjustment should be on the back of the high voltage multiplier. It should be marked as "Screen", or "G2". Next to it, is the "Focus" adjustment.

Some models of Sony sets have two focus adjustments. This is for H and V focus.

When increasing the screen voltage will usually increase the wear factor of the electron-gun assembly in the CRT. This is because it is increasing the screen bias current.

When increasing the screen bias, the brightness will increase a little. When the CRT is weak, this may produce visible retrace lines more so than on a good working CRT. This is because the excessive screen current will stop allowing the electron-gun assembly to work at its proper cut-off level in order to allow the blanking drive to bias it off during the retrace period.

Increasing the screen bias will usually cause a shift in the colour temperature especially in the low level gray colours. This is because the AKG reference for the electron-gun biases will be offset due to the differences in the electron gun performance characteristics change.


Jerry G.



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2 Answers

Mmitsubishi TV Blank screen


Not easily, unless you can provide more detailed troubleshooting data. What test equipment do you have and know how to use??? Oscilloscope? DMM? Isolation transformer? ESR meter? If you can "assist" with the troubleshooting I am certain that you can recieve repair suggestions.

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