Question about Toshiba 57H93 57" Rear Projection HDTV

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After power surge my tv (toshiba 52') will not power on

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I have the same problem. After a power surge, tv wont turn on. It was on a surge protector when it happened. All fuses that I can see, checked fine. Is there anything else to check?

Posted on Jun 09, 2009

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After a power surge if you dont have in on a surge protector it probably fried the main board in the tv so it wont work anymore..woudl probably be cheaper to buy a new tv than to try to repair the one you have now

Posted on Dec 15, 2008

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3 Answers

Is there a fuse that might need to be changed after a power surge?


fuses do not control power surges
they merely stop over current draw
you will need to find the electronic components that are subject to excessive voltage and replace them.

to prevent power surges , use a quality surge board in the units power supply cord

Jan 13, 2017 | Televison & Video

3 Answers

TOSHIBA MODEL 32RV530U WILL NOT TURN ON YELLOW LIGHT IN FRONT BLINKS 3 TIMES


This could very well be a problem with the power supply not allowing the TVs to start up but can also be caused by a problem with the TVs firmware. I would suggest downloading the firmware and following the steps from the following link. The download and steps are in the firmware tab after clicking the link. Be sure that even if you have no picture while applying the firmware update that you under no circumstances remove power from tv for at least 15mins. This is to ensure the firmware completely loads. If you remove power while it's still updating the board may be corrupted. http://support.toshiba.ca/support/ceg/center/en/index.asp?p=32RV530U

Jan 13, 2017 | Toshiba REGZA 32RV530U LCD TV

1 Answer

Toshiba tv when the TV is on it blinks off and on as you watching it


Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Jan 11, 2017 | Toshiba Televison & Video

1 Answer

What to do when your Toshiba 55TL515U powers on, works fine for a few hours, then suddenly turns off, and then continues to click as if it is turning on and off again?


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Jan 11, 2017 | Toshiba 55TL515U 3D LCD TV

1 Answer

My toshiba tv keeps fading to black


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board....

Jan 10, 2017 | Toshiba Televison & Video

1 Answer

Sony TV question. Lightning surge, no lights, no picture, fuse is good.I have the model number. looking at back of tv now, cover removed.


YOUR GONNA NEED A NEW TV ITS FRIED IT WHEN ITS STORMING YOURE SUPPOSED TO UNPLUG ALL ELECTRONICS BECAUSE OF THAT ISSUE

Jan 09, 2017 | Sony Televison & Video

1 Answer

Toshiba tv model32w2300A how repair? 0nly in the screen say do not put the power off


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Jan 07, 2017 | Toshiba Televison & Video

1 Answer

My Toshiba 46g31ou tv keeps shutting itself off and on by itself.


MUST BE IN THE SETTINGS OF YOUR TV WHERE YOU CAN CHOOSE TIME FRAMES FRO IT TO TURN AND OFF ITS A POWER SAVER FEATURE

Nov 30, 2016 | Toshiba Televison & Video

1 Answer

I recently got a 51h83 toshiba tv. When i try to hook up my xbox 360 with the hd component cables in the back i get sound but no video. Please help.


WITH THE TOSHIBA 51H83TOSHIBA TV YOU CANT HOOK UP HD CABLES TO THAT SPECIFIC TV FROM YOUR XBOX 360 BECAUSE THE DEVICE ISNT EQUIPPED WITH THAT CAPABILITY

Nov 16, 2016 | Toshiba 51H83 51" Rear Projection...

1 Answer

Can't switch off tv


All tvs draw a current so long as they're plugged in, this is what allows a remote device to power them on. Modern tvs will generally have a light to designate this (I think this is what you're referring to as standby). The only way to cut the current to your tv would be to unplug it or if it's connected to a surge protector, switch that off.

Jun 28, 2014 | Televison & Video

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