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My sansui g-7500 is burnig the transistors of power

There are no audio and burning the power transistors

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Well that means it is done. There is no magic button to stop this I am afraid. You could replace the board but cost wise just easier to buy a new one.

Posted on Dec 17, 2008

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1 Answer

Determine if an analog receiver has blown a channel


When you need to replace the output transistors, do them both at the same time with a matched pair. That way you won't unbalance the power supply and will be assured of the same power out is available on both channels.

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Transistors burn out on one side of driver board f-2580 at switch on of signal sansui au11000


If it keeps burning out check the wiring section of the board that is powering the transistor.
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Where to find the owners manual for the Sansui QRX 7500A?


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My wac 7500 has power but wont light up or start. None of the buttons have any response including the power button.


Check the power supply for a faulty transistor with a digital multi meter. Carefull if you are to do live voltage test/

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Mar 13, 2014 | Sansui Audio Players & Recorders

1 Answer

I have an old Sansui 400 receiver. I get no sound from the left channel--both A and B speaker options. The speaker and wires are OK, because they work when hooked to the right channel contacts.


The problem seems to be the left transistor part of the unit. Try this:change A versus B speakers, asuming speaker A was working properly. If still speaker A, now connected to left output does not work, you will probably have transistor malfunction on the left channel of the receiver. Any electronic store will substitute the left transistors.
Good Luck.
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1 Answer

Sansui AU-7500 volume control problem - need replacement


Hi...

Is that the fancy pot with more than 6 leads..kinda square looking?

This place has some.

http://angela.com/

Rate my help if this helps...Thanks

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