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The white LED light on my Toshiba 32bv500b keeps blinking and won't let my tv turn on. I've tried powering it down, unplugged it and even checked for dust but it still does nothing.

Posted by Mark Charnley on

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shibu tv

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  • Expert
  • 123 Answers

Mostly its power supply problem

Posted on Dec 06, 2020

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5 Related Answers

Anonymous

  • 65 Answers

SOURCE: Toshiba TN43V71 intermittently shut off

needs converge ics

Posted on Dec 09, 2006

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Vista Electronics

  • 1694 Answers

SOURCE: Picture went off then Red light blinks all the time

Not an easy fix....requires chassis pull, careful soldering and
replacement of parts and fuses.....would you like step-by-step?
........................T.

Posted on Feb 01, 2008

Anonymous

  • 206 Answers

SOURCE: Mitsubishi HDTV 1080

The set is trying to tell you somthing by blinking this light. And the bad news is that it's sayiny the DM board is not booting up, there are several problems that might cuase this all from bad capacitors to a shorted diode or a compleatly replacing the DM board. but all these are not for the weakend tv tech this one has to go into the shop

Posted on Feb 07, 2008

Anonymous

  • 1913 Answers

SOURCE: Red power button blinking but tv won't power on

chec your ic register diode and transistor.
aslo check poer supply waltage and earthing properly.

Posted on Oct 11, 2008

Anonymous

  • 1 Answer

SOURCE: cannot turn tv on

What i did to fix the problem, and no i did not throw it off the porch which was my first idea after i received an estimite. There are 4 capcitors on the d board which a believe is the digital board. Its located to the left of the card tray and its the only board in a steel can cover. They need replacement. I bought mine at radioshack and the repair worked for me. I was later told that the radioshack caps will blow out in a few months but i had already installed them. It worked.You have to desoder the old ones out and resolder the new ones in. It cost me about 2 hours time and 5 dollars at radioshack because i needed to buy solder as well. I will try to find the directions someone sent me and post them, also i will try to find the right (cap) part number as i stated before, the radioshack ones are not going to last. You have to use HIGH HEAT cap do to all the heat the tv puts out.

Posted on Oct 11, 2008

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My tv wont turn on by power button or remote. white light keep blinking.

How many times this standby/power light blinks at one time switch ON? Count it carefully. These blinks are fault indication, and known as 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. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/. If the blinks continues, and non-stop, the fault should be with its main system control IC, and with the memory IC.
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Toshiba 50HX81 projection 'tv- blinking red light

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.
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Toshiba 46H84 tv turned off light blinking

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.
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