Anyone know how to substitute could be made for a SIThy ? made by NGK

[url]http://www.doc88.com/p-194579522720.html[/url]


by the looks of it , the main current is switched by mosfet , the Flyback transformer polarity flips , the diode becomes fwd bias and the SIThy gate gets its trigger to open . the SIThy is normally ON


from the article:
"the interesting point of this circuit is that with out any separate gate control circuit , the SIThy is turned off by forcing the device current to flow through its gate ,resulting in...

Re: Where do you get/buy replacement boards for TV's?

Is this a FBT model ? HV guys still look out for old TVz just for the flyback

Re: New Members - please post your introductions here

.......so I guess that make me the new guy




Hello world