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Toshiba 40RV525U green power light comes on but TV does not

Brand new unit, just had it for four days.  Power on the TV and the green power light comes on but the unit is totally dead.
I assume that this unit just turned out to be a "lemon" and needs to be replaced since it's under warranty but was just wondering if anyone had a similar issue with an easy fix?
I'm probably just living in a dream world but thought I would just post the question anyway.

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  • elvinhdc Jan 26, 2009

    Well my Toshiba 40RV525U green power light
    comes on but TV does not show image on screen, but before a time with the cord off I try to turn on and the TV work very good but turn off the screen before 15 minutes and the green LED continue on.

    Please someone help me.

  • sharmz_71 Feb 16, 2009

    my tv red light is on but theres no life on the screen, pure black

  • Anonymous Apr 20, 2009


  • dier_reid May 21, 2009

    bought the same product on december at best buy, it happened to me as well yesterday and i guess i'll just have to call toshiba for a replacement.

    anybody found a solution?
    oh and by the way was there some sort of warranty card in the box? cause i don't seem to find it if they ask me for it.



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Toshiba often utilizes the green lamp for off, and the red lamp for on.

hope this helps!

Posted on Jan 19, 2009


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Why won't my Toshiba 40RV525U turn on?

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My 40" Toshiba LCD TV (model 40RV525U) won't turn on. While plugged in the green power light constantly blinks, but the TV won't power on. Unplugging the TV stops the power light from blinking, but once...

These blinks are fault indications, and are called blinking codes. From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside the TV. If you're sound in electronics, this will make the repair easy. If you wish to get more details about these blinking codes, check this link. Blinking codes to many brand TVs are described in detail.
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 06, 2013 | Toshiba 40RV525U 40 in. LCD TV

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Hi, I own a Toshiba 40rv525u lcd television set for 3 years. Suddenly, it turns on and off intermittently and I cannot solve the issue. I have already purchased and installed a new/used main board part...

Good day sir!!!

I want to know first if your TV have blinking lights red or green after the TV turns off?..if so,please count the blinking light to diagnose where the fault comes from..Or try to disconnect all connections of your TV such as DVD etc..then try again..

If the power supply and main board are both new..the possible problems are overheat or overload so please try the suggestions above..If not work please let me know if you have multimeter or if you know how to used it because we will proceed to voltage data..

Thank you for purchasing my service..

Have a nice day!!!

Jan 07, 2012 | Toshiba 40RV525U 40 in. LCD TV

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Toshiba 40rv525u will not turn on and power light is blinking on and off

I have the same problem. Hopefully someone can tell me what is wrong or I will have to junk it for parts.

Feb 02, 2011 | Toshiba 40RV525U 40 in. LCD TV

1 Answer

Hi! My Toshiba 40RV525u TV has a problem, it turns off or on by itself. I checked the auto power off settings, the time is not set (it is 00:00). This happens very randomly. Now I just plug out in the...

My TV 40RV525U changing channels, menus itself for few months.
my son tried to stop the channel scrolling by enter weird number into the channel to stop it scrolling such as 555, 777..
later, it turn on off by itself and unable to hold on a channel ( I use antenna)
I call Toshiba customer service and they ask money $25 for troubleshooting but I denied since I do not want to waste money and time.

Now, I found how to fix it myself.

In my case, something was wrong with the signal comes from the button control on the left side of the TV.
What I did
unplug the power cord.
Remove back cover.
Look into the motherboard ( biggest green at the center).

First, I disconnect a connector on the motherboard come from the IR board that receive the wireless signal control ( meaning the remote is disable).
I turn on the TV, press on Menu button on the TV side. Menu is still scrolling.

I turn off TV, disconnect power cord and connect the IR connector back to the motherboard.
I then disconnect the nearby connector that comes from the side control buttons.

Turn on the TV by remote, press menu button on the remote to check. The menu stays.


I use electric tape to seal off the connector and let it hanging there.
Close the TV back panel

I have been watching TV for 3 nights without menus/channels scrolling.
NO AVAILABLE red message when watching DVD is no longer existed.

Hope this help someone else.

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Thought 1 is that the control panel power button is busted - the actual piezo switch.

Thought 2 is that there is a short in the unit such that power comes in, turns on the light, but then overloads the board and the thing shuts down.

May 16, 2010 | Toshiba 40RV525U 40 in. LCD TV

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TOSHIBA FLAT SCREEN TV has black screen but power light is on!?

Try resetting the TV by leaving it unplugged for an hour.
Plug it back in and check to see if it works normally.
If that doesn't work, rule out the Directv box by pressing the reset button near the access card. The box could be putting out a signal that doesn't have video or audio.
If everything fails, have the tech man come back to check everything that he did before you use the warranty on the TV.

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