Search found 4 matches

by tomsmooth
Tue Dec 27, 2011 7:33 am
Forum: MS-II and V2.2/V3 Main Board Assembly, Testing, and Troubleshooting
Topic: Reversed polarity into Megasquirt II V3.
Replies: 1
Views: 252

Reversed polarity into Megasquirt II V3.

Hello i was doing some on-bench testing earlier and i accidently reversed the polarity into the megasquirt for about a minute and i seem to have cooked something. Is there a protection for this? If not how much stuff will need replacing?

Thanks.
by tomsmooth
Sat Apr 02, 2011 5:32 am
Forum: MS-II and V2.2/V3 Main Board Assembly, Testing, and Troubleshooting
Topic: 0.53 Volts
Replies: 5
Views: 382

Re: 0.53 Volts

I have desoldered it and the voltages seem to be fine. Will it just be a case of replacing it? Thanks
by tomsmooth
Thu Mar 31, 2011 2:38 pm
Forum: MS-II and V2.2/V3 Main Board Assembly, Testing, and Troubleshooting
Topic: 0.53 Volts
Replies: 5
Views: 382

Re: 0.53 Volts

Thanks for the reply. All of the supply/12v are fine. The 5 volt however are
S5 0.68Volts
The two 5Volt supplys on the proto area read 0.68 volts
The non-banded side of d9 read 5.1 volts
The Right leg U9 read 5.1 Volts
And pins 1/20/31 read 0.68 Volts.
Thanks again for your help.
by tomsmooth
Thu Mar 31, 2011 6:08 am
Forum: MS-II and V2.2/V3 Main Board Assembly, Testing, and Troubleshooting
Topic: 0.53 Volts
Replies: 5
Views: 382

0.53 Volts

Hello. I am new to megasquirt but when assembiling the MSII V3 i met a problem. I installed the powersupply and it was fine 5 volts everywhere i was ment to and then i went and followed the assembely instructions up to testing the clock was working and i checked the voltages again. They have gone ...