Question about Sanyo DS31590 31" TV

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DP42746 SANYO 41'' TV

I HAVE NO PICTURE AND SOUND.PROBLEM STARTED WITH THE LOWER HALF OF THE SCREEN BLACKED OUT.THEN EVERYTHING WENT OUT.

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The problem might be in the electrolitic capacitors, replace them all, specially those that are located in the power supply. Check if there is one fisically damage, bubbled or inflated. Remember that they need the same capacitance (uf) and the same or higher voltaje.

Posted on Apr 12, 2009

  • luisrgomez Apr 12, 2009

    let me know if it worked please!

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I HAVE NO PICTURE AND SOUND. PROBLEM STARTED THE UPPER PART OF THE SCREEN
BLACKED OUT, THEN ALL OF THE SCREEN WENT OUT. WHAT CAN I DO?

Posted on Nov 22, 2008

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Posted on Jan 02, 2017

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My Mitsubishi CS-2610 S-Monitor suddenly blacked out! I am having a difficult time finding a job, and cannot replace my TV right away. Can it be fixed?


tried to re soldered first cold soldered component parts at the main board which may get loose contact. if can not get with re soldered check bulged or leak capacitor at the vertical section. and then try to observed if the vertical ic is too hot, that was mean the ic get bad.just replaced with new one and re check other component near the ic.

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Tv off!


A lot of these sets have a problem where a "filter cap" on the board in the power supply opens---Usually location is "C925 or C926" and it will be a 1000 mfd @ 25 or 35 volts.


Let me know if you can locate it--if so---unsolder the two leads (one marked with a plus and the other with a minus--positive and negative) and replace it----$4.00 part.

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Jul 28, 2010 | Sanyo DS31590 31" TV

1 Answer

Black square in the middle of screen


your closed caption is on, this might be set on the cable box or the tv, look in the audio or set menu. If you dont have the remotr you should be able to navigate the menu on the tv with the onset controls

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TV turned off by itself and now it won't turn back on


If the tv has nothing happening at all when you try and turn it back on including any noise, your power supply is broken. If it is still trying to turn on or does make noise, an internal component has come loose or been knocked off, most likely to your picture tube.

Dec 25, 2008 | Televison & Video

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it looks like some caps are bad in the set.
Have it serviced by a TV repair shop

Aug 02, 2008 | Televison & Video

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  • adjust brightness setting when playing tv.
  • adjust screen control located on flyback transformer.
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Mar 01, 2007 | Sanyo DS31520 31" TV

1 Answer

Screen split with black bar through center, top of picture shows in bottom


It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck

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