Question about Toshiba 61H71 61" Rear Projection Television

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Toshiba 61" part no. question?

Do you know the part number for the high voltage transistor? mine has the same problem.

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Hello: my problem is that I have audio but not video is not seen at all. Abri the part of behind of the screen and I see that two pipe estan subdued(switched off) does not have light.
My e-mail is albertoj.martellvalentin@yahoo.com
If the agradesco can help me Thank you

Posted on Jun 09, 2008

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My toshiba 65hx81 cut out lastnight. All I have now is the red flashing pwer light. Where do I begin? Do you know what the issue might be? Thankis, Kyle


Frist Kyle count the number of blinks on the set when it shuts down, this is an error code related to the problem area., The most common failure in this model is the deflection power supply board. This board provides high voltage to the picture tubes and related large signal circuits. You may want to check the horizontal output transistor for shorted condition, if it is found to be shorted replace it an the flyback transformer as these two work to gether to produce the horizontal frequency to produce the high voltage.

Oct 18, 2011 | Toshiba 65HX81 65" Rear Projection...

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Toshiba 57h84 sounds like it is turning on but the only thing it is doing is the red light on the power button flashes no sound on picture nothing


CK your hori output Transistor and small blue capacitor round it feed the hori output 2k high voltage cap if they are OK then Replace both of your STK ICs they will have part number on them. For Parts Call Mats 1-800-628-1118

Dec 08, 2009 | Toshiba 57H84 57" Rear Projection...

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Jumping Screen 61" cinemavision


Hello dana1983165,

The problem you described is caused by poor voltage regulation in the High Voltage power supply. This can be caused by a defective fylback transformer, a defective focus block, a defective HV trippler, of the horizontal output transistor/damper diode assembly. I would first check the high voltage from the flyback to see if it was fluctuating, you can do this with a high voltage probe. The I would check the horzontal output transistor out of circuit with a transistor checker to see if it passes.

If you do not have equipment what you can do is remove the deflection/HV board and order a replacement from panasonic.
Look up Panasonic's web site and contact their technical support number and call them to find out the part number and have them order the part for you. If this fails try PTS at http://www.ptscorp.com

I hope this helps

Shuttle83

http://www.electron-age-technologies-llc.com

Feb 22, 2009 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Tv makes a loud "screaming" noise.


from what you descirbe this is an idication of a faulty flyback. the flyback is a special high voltage transformer that generates high voltage for the picture tubes. when you replace this you ussally replace horizontal output transistor. THis repair usally run 125 to 300 at our shop.

Jul 31, 2008 | RCA D61W20 61" Rear Projection Television

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Toshiba 61H71


2SC5570, according to the service manual.

Jul 13, 2008 | Projection Televisions

1 Answer

NO RESPONSE


Hello 2154GREAT,

You have a shutdown circuit. The shutdown circuit is working as it should by not allowing the TV to come on if it has a HV (high voltage) problem. This could be caused by a shorted HV Transistor in the Horizontal section or a defective IHVT (Integrated High Voltage Transformer). In any case you will have to get a qualified TV repair person to troubleshoot and repair this problem.

I hope this helps

Thank you,

Shuttle83

May 15, 2008 | RCA P61940 61" Rear Projection Television

1 Answer

Tz61v61 toshiba 61 rptv theaterview


If the relay clicks you most likely have a leaky diode or bad transistor in the stand by or start up circuit. There is a manual available for that model called. Toshiba Power Supply and Shutdown circuit Troubleshooter. Its available at the following link. It gives step by step instructions so you can figure out exactly whats wrong with your set. The site emails it too you after you place your order and they also provide free unlimited tech support so you will have a resource for help if you need it. I am one of their on line support techs. I highly reccomend that Manual to any one with a toshiba that will not power up. Here is the link.
http://servicemanuals.vstore.ca/

Apr 12, 2008 | Toshiba TZ61V61 61" Rear Projection...

1 Answer

Model 55X70 Toshiba Projection tv


dont know about warranties but horizontal lines means your horizontal frequency which runs about everything has drifted off sync and if too high or low it will activate shut down circuits in high voltage and power suppy, even causing HOT transistor to short. good luck and call a tech.

Sep 01, 2007 | Toshiba 55HX70 55" Rear Projection...

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