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 Post subject: Mosfet Module Issues
PostPosted: Sun Sep 15, 2019 12:42 am 
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Joined: Mon Nov 20, 2006 10:16 am
Posts: 39
I just built the Mosfet Module for my Crown Jewel but it is not working. The other three I built work fine. It looks like all of the parts are in place but there were two spots on my PCB that did not match the instructions. It's the diodes and the transistor. I still installed the parts to match my board but they do not match the image of the completed build in the instructions. Can someone take a look and see if I missed something? When it's installed I get no sound when hitting the boost button. Thanks. PS. I also noticed that the instructions show the transistor installed incorrectly.

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Image


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 Post subject: Re: Mosfet Module Issues
PostPosted: Sun Sep 15, 2019 12:49 am 
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Joined: Mon Nov 20, 2006 10:16 am
Posts: 39
After looking this over a bit better it looks like I do need to flip my diodes and transistor around to match the completed board from the instructions. Can someone confirm that? I noticed that the board in this picture does match mine but they must have updated the PCB for the rest of the instructions because it's corrected in the rest of the images. Thanks.


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 Post subject: Re: Mosfet Module Issues
PostPosted: Sun Sep 15, 2019 12:09 pm 
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Joined: Tue Jan 02, 2007 1:24 pm
Posts: 16196
Location: Albany, NY
Yes, flip the diodes and MOSFET around. The original version of the PCB had the wrong polarities on the silkscreen, which was corrected on the v.1.1 board (see below).

Attachment:
MOSFET_module_v.1.1.gif
MOSFET_module_v.1.1.gif [ 223.73 KiB | Viewed 1600 times ]

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 Post subject: Re: Mosfet Module Issues
PostPosted: Sun Sep 15, 2019 6:04 pm 
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Joined: Mon Nov 20, 2006 10:16 am
Posts: 39
Thank you.


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