once fried, now scambled

Thread Starter

Caus-i-can

Joined Jul 19, 2017
20
Hi Everyone,

Was hoping to get some help to identify differences between to cheap arse PWM motor controllers.
i have attached two pictures the pic with the clea fuse is rated max imput 60vdc and 35A,
where the other with white fuse is rated at max imput of 90vdc and 15aIMG20170810235716.jpg IMG20170810235740.jpg,,

why does it have 4 resistor the other 3 any way if could also get advice on how to test the components on the board to c which has failed...
when i supply power to the ninety volt nothing happens except full thee x90 volts have stocppoed working but 60vdc.doesntI kn92 thanmu

anyway sorry for bad grammer and spelling appecie i appreciate all and any replies

thanks
 

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