Question about Sanyo HT28745 28" TV

1 Answer

TV turns it self off.



My Sanyo Vizzon (model # ht28745) TV turns itself off, sometimes will not come back on unless I unplug it and then plug it back in.

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  • M Daniel Jan 14, 2008

    Sorry, I don't understand "ic reg str" or "the cap big at side." thanks for your reply.

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  • 3 Answers

Your ic reg str (some )need replace and check the cap big at side .

Posted on Jan 11, 2008

  • Pro-lite Sep 16, 2014

    I'm sorry but you need to have some minimal knowledge of electronics

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I think this is the manual you are looking for.
www.puxaki.com.br/.../Sanyo-Owner-s-Manual-HDTV-HT27745-HT28745-3015.pdf

Jun 24, 2011 | Sanyo HT28745 28" TV

1 Answer

Tv will turn on for a few seconeds then turns its self off


Tries tv unplug,replug it back like an hour later.The tv is resetting itself back to the factory setting now.The tv now should work,not than the tv have problems with it power supply board.The power supply board it not giving the tv,the wright voltages to the tv anymore.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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We were watching TV and the TV just turned itself off. We try turning it back on and we have a black screen for 10 seconds and then the TV turns itself off again. Called Sanyo and they said to unplug it...


Yes,unplug,replug the tv an hour later.The tv should reset itself back to factory setting and work.Not,than the tv power supply board have problems.That the board,where the power a/c coard plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Oct 07, 2010 | Sanyo 42 in. LCD TV

1 Answer

TV turns off by itself(not sleep mode) usually turn back on sometimes unplug & try again in 5 min.s


This problems is the cause by the power supply board is dying.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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1 Answer

3 YEAR OLD SANYO DP 32746. SHUT ITSELF OFF, CAN NOT TURN BACK ON


If you leave the tv unplugged for 2 days (atleast) then plug it back in and try to turn it on and if it comes on its the power supply board. If it comes back on it will probably shut off between 30min to 4hrs and you would have to unplug it for 2 days again. All the power needs to drain out of the tv. If thats the case take the back pannel off and check the part number out on the internet. Not hard to do becarefull touching things the power supply does store a little bit or shock in it. Good Luck.

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2 Answers

Sanyo DP42746 42 in. plasma TV


Well I have the same problem with green light and no sound and no pix. After i opened it all up i checked the main power supply board and found all fuses good and the 12vdc side of the board dead. My best guess is this power board has many problems. All the driver boards for the screen are located on the perimiter of the screen. If you loose part of the power supply board you will loose part of functions of the tv. At this time i am looking to replace the entire power board. Will let you know the location and fix soon as i find it. jim jamesgibson@nycap.rr.com

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1 Answer

My Sanyo HT28745 28" HDTV clicks but doesn't turn on


I have had a similar problem with my tv, it has something to do with the power supply.Try unplugging your tv from the AC outlet. While unplugged from the power supply hold down the - volume control and then plug the tv back in while holding down the - volume control. It should bring up the service screen. If the screen turns on and is blank then it may need to be brought in for repairs.

If the screen does turn on, either blank or with the service menu, turn off the tv and unplug it from the power supply again. With it still unplugged hold down the power button on the tv and then replug in the tv. continue to hold down the power button until the tv displays a video signal on screen.

Feb 02, 2008 | Sanyo HT28745 28" TV

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