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Tube TVs

Symphonic TV model WF24T5 does not understand and has a strange sound

arlen08*
hace 5 años
hace 5 años
I'm glad the problem with the TV is that it does not understand and throws a sound from the board when I opened it with the naked eye was a j5572 exploded layer and I changed it but it remains the same with respect to the strange sound I took out the transistor k3561 and connect the TV i Do not throw the sound will this component be the one doing it? I would really appreciate them
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manolo karvalo
hace 5 años

friend. The diode review has to be done at the source.

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arlen08*
hace 5 años

Ok, thank you

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manolo karvalo
hace 5 años
hace 5 años
Hello Friend. You have to change that mofet. 2sk3561. but before making the change, check the zener diodes and rectifiers and change the opto coupler and change the small filters of that source with new ones and the replacement of that mofet. It is 2sk1571, 2sk2564, 2sk2996, 2sk3298, 2sk3451, and 2sk2645. And always check the tsh. It may be short. Cheers
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arlen08*
hace 5 años

Sorry I haven't written you yet and couldn't get the mosfet but I already checked the diodes all are well and I already changed the small layers

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arlen08*
hace 5 años

I think the TSH seems to be short but only what I have tried on the board has not yet been tested outside it when I measure it on the board gives continuity between the three pins

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manolo karvalo
hace 5 años

friend take it off the plate if you do those same measures, this tsh is short. you change it for another one of the same number or a replacement

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arlen08*
hace 5 años

Ok I write to you when I have done all the measurements and replaced parts ????

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