Mini Rectifier mute signal on output

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artcustom

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Nov 4, 2016
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Hello everyone from Italy.
I have an issue with mini rectifier. The signal don't reach the output section. On the gate of J174 no DC voltage. The 7812 out is 17volt ( probably 7812 fault ) and a relay located and the end return zone has the coil burned.
I traced the signal but without schematics.
Where i can find he schematics ?
Thanks
 
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