Question about Toshiba 32A33 32" TV

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Tv wont turn on can hear clicking inside

A transistor burned up twice

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  • bmikeburns Jan 07, 2009

    model is CF3564B

  • Anonymous Apr 05, 2009

    Mine just did the same thing , was it expensive to fix the transister.



    Thanks

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  • 52 Answers

Call for a service techniction to see what the issue is, word of personal advise, buy a new tv.
issue could be consistant, not repairable.
Let me know how it goes
Thanks
Justin.
Please Rate me

Posted on Jan 07, 2009

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There is some short circuit in the horizontal output section inside your RCA tv. The blinking of ztandbylight twice denotes it. it may be due to a short in the horizontal output transistor, or defective LOT [Line Output Transformer]. Remove the horizontal aoutput transistor, by resoldering it out. It can be located very near to the above said LOT, screwed on to a metal heatsink. It is a three terminal device usually black in colour. After resoldering it out, switch on your TV, and see whether the standby LED blinks or not. If not, replace it with a new one, and switch the TV for a short time, say 3 seconds or so, and switch it off, unplug it from mains supply, and feel the heat of the transistor replaced. If it overheats, LOT said above is defective, and should be replaced with same type and number. OK.

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I have an F32650 and it wont turn on and also no sound. I also hear this clicking type sound coming from the rear of the TV.It sounds like it's coming from the right right rrrear of the TV.


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I have a 1993 36 inch RCA, model # P46151WK. TV was on and suddenly heard something pop and it started to smell like something burned inside. It wont turn on anymore.


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1 Answer

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The green light indicates that it is getting power from the outlet ok.
The clicking is the power relay trying to turn it on but there is an internal fault forcing it to shutdown. You either have a power supply problem, horizontal output transistor (HOT) is shorted or a bad flyback transformer. In any case it can most likely be repaired by a qualified technitian. If it is the flyback it may be expensive.

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1 Answer

JVCAV-N2043TV,Horiontal Output Transistor burns out everytime if fix a new one


Hi There,

The Hor Output transistor is connected to the Line Output Transformer. This transfromer provides a lot of voltages around your TV set but includes the very high voltage to the Picture tube...

These transformers are specially tuned to resonate at a certain frequency,
The Hor output transistor needs to match this frequency....so if the wiring inside the transformer is shorted by "just a bit" the picture will be visible but the transistor is struggling to match the transformer impedance,from the mismatched tuning...so the transistor draws more current from the power supply.. runs hot then burns out...

Usually manufacturers provide a Trip circuit that detects that an overload on the power supply is occuring and cuts the power to the Line output stage ...this is usually detected by a clicking sound within the power supply its called hiccuping.

If some one has altered the correct setting on the power trip circuit then the next thing that happens is the Transistor goes Blooooey like in your case.....

So to save you a lot of money replacing the output transistor
please replace the output transfromer as well next time...

But please... please... re-check the power supply trip circuit to save you a lot more expense in the future....

Best Regards From YUBEUT

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