Question about Sanyo DS31820 31" TV

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Trouble with my picture

My question is why does it seem my picture is zoomed in? i want to know if it is a connection problem or if the tube is going out. the tv is about 3 yrs old.

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Re: trouble with my picture

If you have a cable box some of them have a zoom feature

Posted on Feb 27, 2007

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My picture is all scrunched up in the middle of the screen,black on the top and bottom,otherwise the width of the screen is fine! Is this a picture tube going bad or just an adjustment?

There's trouble in the set's vertical output circuit. Often this is because of bad solder connection, but there could be parts that need to be replaced as well. It isn't the picture tube going bad, though, so the set could be fixed. (Actually, even a bad picture tube can be replaced, but when the tube goes it's cheaper to buy a new TV!) Often just resoldering the connections in the affected area brings the picture back to full height. It's not unusual for capacitors in that area to wear out with age, but they're inexpensive parts.

The trouble with TV repairs is the labor cost. If you don't know anyone who has the skills to check over a circuit board and do electronic soldering, and to check and replace parts, you'll need to have a professional do it. The total cost of repairing a small TV might make it worth spending a little more on a new flat-screen LCD. They've really come down in price.

Most shops charge a fee (applied to the repair if you go ahead) to check the set and give a repair estimate. If you don't mind the gamble, get the set checked. Otherwise, start looking for a good sale on something new.

Jun 29, 2011 | RCA F27442 27" TV

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Can't get picture to fill the screen. Black bars

U have a CRT tube analoge standard tv,this feature will not work for a CRT analoge standard tv.Zoom in and out,picture sizes like 480,720 and 1080.The analoge tv can't get the tv signal ranges beyond 480i that why u have black sides bars picture,if u have a HD TV like a LCD tv or Plasma tv,than the Zooming in feature will works.

May 24, 2011 | Standard (CRT) Televisions

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When the tv is turned on, the picture does not come on immediately. The screen stays black and the red light on the front of the set will flash on and off. It could take up to 10 minutes for the picture...


It is due to your TVs picture tube base socket trouble. Base socket is one that connects the base card with the picutre tube pins. You can locate it at the base end of the picture tube, soldered on to a printed circuit board, and pluged to it. It can be detached from the picture tube neck alongwith that printed circuit board by applying a slight backward pull. Be cacious not to shake the board sideways of upwards or downwards, as it may damage the picture tube pins. Just pull it straight backward. A little pressure may have to be applied sometimes.
After detaching it, look at the wire connections to that base socket. Note it, and resolder it out from the board. Go for a new one of same type. Look keenly to the pin confuguration of the new one with the orginal. Buy one with made up of super quality material. Replacing it will solve your problem. OK.

Jan 02, 2011 | Toshiba 32A32 32" TV

1 Answer

Philips blurry 34pw8502/37 Blurry Screen

a part called picture tube base which connects picture tube to circuit board got some trouble,,, u can replace it with the help of a service pro..

Mar 23, 2010 | Philips 34PW8502 34" TV

2 Answers

Tube does not turn on

If TV model is Sony KV-32HS420 then mostly it requires to replace 2 ICs on DZ board, let me know if you can replace ICs on circuit board and know about TV repair to provide you more technical info.

Sep 16, 2009 | Sony FD Trinitron WEGA KV-32HS420 32" TV

1 Answer

Picture stretched on samsung ws32z409t tv

Sometimes on a remote theirs a zoom button or HD zoom if you pressed that the tv will do what you describe if you press it again it will go back to normal view.

Jul 27, 2009 | Samsung WS32Z308P 32" TV

1 Answer

On screen message "DEW"

DEW on the screen means that there is moisture in set. Leave the unit on for several in a warm dry place. The heat from the picture tube will help dry out the set.

Jan 06, 2009 | Sansui COM3101 13" TV/VCR

1 Answer

20 inch wega @1999 Picture comes in and out

Try to finde lose connection/ cold solder joint at board attached at end of picture tube. It seems heater/ filament voltage not being supplied to picture tube after a while and picture goes to black.

Jul 22, 2008 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

Picture bigger than screen

This can be caused not enough high voltage going to the picture tube. If the picture seems to get larger and smaller depending on the brightness of the scene on the screen that is probably what it is. IF that is the problem, there isn't much a normal consumer can do.

Nov 08, 2007 | Samsung TXF2899 28" TV

1 Answer

Sharp TV - 32LW92H - Zoomed in

Normallly, if the picture size button on the remote for the television does not achieve the desired affect, then, a cable box or a satelite box is where the change needs to be made.
For example:
A Motorola Cable box needs to be set up to go to a wide screen or zoom when an analog signal is detected.
Some Dish Network boxes have Size buttons on their remotes and also in their main menu.
It's difficult to determine the repair without knowing the types of the peripherals.
Hope this helps.

Nov 05, 2007 | Sharp 32F640 32" TV

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