Question about Sanyo DS31590 31" TV

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No picture, no sound.

I have a Sanyo 32" LCD HDTV, DP32647), which is a year and 3 months old, and not much used.
After stated using it, the TV screen stated to go darker with time. At one point (about a year later), there was no picture, but the sound was there. Now, there is no picture and no sound. It seems to power up. In the dark, I can see the screen glows a faint blue light. Is there a way to fix this?

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  • 93 Answers

Contact sanyo, sounds like your display panel has gone bad

Posted on Sep 10, 2009


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My Sanyo DP32647 has a really dark picture and i read somewhere online about adjusting the flyback problem is idk what a flyback is.

There is no fly-back transformer as you describes here, to no flat panel TVs. It has only back-light. If anything wrong happens to the backlight inverters, lack of brightness will be the result. If you wish to get more details about this, check this link.
Pull up previous posts by its left sidebar, or type in the brand name and model number to of your set, to its search box, and press 'Enter' or view it in Mosaic / Timeslide option.

Oct 07, 2013 | Sanyo DP32647 32 in. LCD TV

1 Answer

Does model number dp32647 have a lamp bulp u replace when the picture goes out?

No, but it does have inverter that you replace when picture goes out.

Check your TV for a board on the left side (looking on the back), similar to this one:

(your model may have a different one - do not assume it is going to be the same!)

Hope this helps!

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Try to remove the connector that supply the high voltage and observe if the unit will produce a sound. May be the inverter is faulty. Or try to check if there is a 24 volt dc supply to the inverter or the high voltage board.

Jul 14, 2011 | Sanyo DP32647 32 in. LCD TV

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Sanyo dp3247 was working earlier today but when I turned it back on this evening I can hear it click on ..but No picture or sound. Help please?! I'm 86 yrs old and this is my source of entertainment. Is...

Tries tv unplug,replug it back like about an hour later.Most of the time tv will work again.Sometime is only a temp fix or the same problems will accur as the original problems.Than the tv have problems,with it power supply board,that the board,where the power a/c cord plug into it.Tries websites like, to buy a refurbish power supply board for the replacement.

Jan 17, 2011 | Sanyo DP32647 32 in. LCD TV

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the power supply of your tv is bad try to check the fuses if fuse are open try to replace them with the same value..try to power it on but if the fuse blows again replace the power supply board...
good luck plse rate my help.

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you got the new screen in the compuny there you live

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