Board PCB discussion


Assembly instructions for our limited edition OXO board

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Joined: Tue Jul 24, 2012 8:05 pm

Post Mon Dec 07, 2015 8:06 pm

Board PCB discussion

Suggestions for improvements, mistakes, hints here please.

Posts: 6

Joined: Thu Aug 10, 2017 1:10 am

Post Mon Sep 04, 2017 8:23 am

Re: Board PCB discussion

Okay, I'm starting with the board pcb. I've got everything soldered up according to your instructions here (I think I have a 'later' kit, the board is black and I didn't receive the 100R SMD resistor @ R2 or the ferrite filter @ L1). Anyway, I am getting 5v at each of the driver transistors, but I did not see the 70-80ma increase as each one was added. I am still only reading 0.18ma DC between R1 and L1 when I connect the power supply.

Site Admin

Posts: 946

Joined: Tue Jul 24, 2012 8:05 pm

Post Fri Sep 08, 2017 5:32 pm

Re: Board PCB discussion

Check you have 5V across D1, then for about 2V on pin 5 of IC1.

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