Question about Toshiba 40RV525U 40 in. LCD TV

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I've owned my Toshiba 40rv525u LCD for two years now and up until now it has served me faithfully. Last night while I was watching tv the volume increased abruptly as if a button was stuck. I have since determined that it is not the remote control. Any suggestions??

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Try to replace the button of volume..because sometimes if the button is defective it not go back to the original position it remains on contact

Posted on Mar 11, 2011

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1 Answer

Toshiba flat screen tv model 40RV525U schematic and/or serv manual


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Circuit diagrams of many popular brand TVs and other devices are given.

Aug 15, 2016 | Toshiba Televison & Video

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How do I reset the volume on my tv?


your controlles on the tv set itself goes faulty simply spray some switch cleaner in buttons should sort you out

Sep 15, 2014 | Toshiba 40RV525U 40 in. LCD TV

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Toshiba tv 40rv525u has started to change channels


My TV 40RV525U changing channels, menus itself for few months ( I use antenna).
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 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.

DONE.

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.

Jan 20, 2012 | Toshiba 40RV525U 40 in. LCD TV

1 Answer

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

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.

DONE.

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.

Jan 14, 2011 | Toshiba 40RV525U 40 in. LCD TV

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I have a Toshiba 40RV525U LCD TV. Wondering how to


if it is with hdmi input call toshiba--free software upgrade

Jul 12, 2010 | Toshiba 40RV525U 40 in. LCD TV

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Toshiba 40rv525r screen says NOT AVAILABLE


I've had the same issue! This is caused by the control panel telling the TV what to do - does it change channels on its own, too, or turn off or on on its own?

What you need to do (if you've not already done it) is lock the control panel out, which you can do under the LOCK menu.

What may help is running the factory reset on page 54.

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1 Answer

40 inches toshiba (40RV525U) no CC with dvd movies


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1 Answer

We own a Toshiba Regza 42" direct view LCD TV. We have owned this since last November (bought as a Christmas gift). This TV was working great until last night (7/7). Powered it on and for a split...


Unfortunately there might no be a fix for this type of failure unless the LCD is open and perform a few measurements in the circuitry. Since the TV is less then a year old, I would suggest to contact the vendor or manufacturer to have it repair under warranty, most electronics devices carry one year warranty.
Let me know if you require further assistance.

Jul 08, 2008 | Televison & Video

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