Question about Toshiba Televison & Video

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I have the model number: TZ43V61. The red light is flashing off & on when I plug it in. The movers bumped it up the stairs. They must have broke something.

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  • teamleader2 Sep 11, 2009

    My Toshiba Proj TV year 2000. Model TZ43V61 has a flashing light. I have already tried leaving the TV unplugged for days anbd it still does the same thing. I have read notes about a mother board problem. If I am looking at my TV from the back where would the mother board be located and what am I looking for as an indication of a problem with it. I feel like I am looking at the inside of a space ship!

  • teamleader2 Sep 11, 2009

    My Toshiba Proj TV year 2000. Model TZ43V61 has a flashing light. I have already tried leaving the TV unplugged for days anbd it still does the same thing. I have read notes about a mother board problem. If I am looking at my TV from the back where would the mother board be located and what am I looking for as an indication of a problem with it. I feel like I am looking at the inside of a space ship!

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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.

Posted on Sep 11, 2009

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This is actually a very common problem with the power supply failing. Cheaper parts now days, capacitors overheat and swell and burn out. You can test power with voltmeter to see if it is working. Check any fuses to see that they are good.

Posted on Sep 11, 2009

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