Was working now it's not? Megajolt on a 1275

General Topics for configuring, operating and tuning the Megajolt. Also see the <a href="http://www.autosportlabs.net/MJLJ_V4_Operation_Guide">Operation Guide</a>

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Wideftw
Posts: 3
Joined: Sun Nov 17, 2013 7:27 am

Was working now it's not? Megajolt on a 1275

Post by Wideftw »

Hi guys,

I was running a megajolt lite on my 1275 mini, was running as in advancing timing on the car and also feeding info back to the laptop.

Now it is not doing either, light still comes on on the unit, but it won't talk to the computer (tried 4 and each port) and when plugged in to the car it doesn't advance the timing.

Unsure what could of happened (haven't blown any fuses) pip is sending signal still.

Even replaced one of the ICs


Please help


Matthew timms
Leyland mini 1275 gt

brentp
Site Admin
Posts: 6282
Joined: Wed Jan 24, 2007 6:36 am

Post by brentp »

Hi Matthew,

Sorry for the late reply. What IC did you replace?
Brent Picasso
CEO and Founder, Autosport Labs
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Wideftw
Posts: 3
Joined: Sun Nov 17, 2013 7:27 am

Post by Wideftw »

Hi, all good.

I replaced the uln2003 as that is the only one I could find from my electronics store. I still have the original chip, I just switched it around by way of trouble shooting.

What continuity checks can I do to ensure that everything is kosher?

What chip/capacitor is most susceptible to death by short circuit?

How much would shipping be to Australia, Queensland, 4503 postcode for a new megajolt unit?


Thank you

brentp
Site Admin
Posts: 6282
Joined: Wed Jan 24, 2007 6:36 am

Post by brentp »

Hi - Can you tell us what version Megajolt you have? does it have socketed chips? if you could take a picture of the board that would help.

Shipping to AUS is about $30 USD.
Brent Picasso
CEO and Founder, Autosport Labs
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Wideftw
Posts: 3
Joined: Sun Nov 17, 2013 7:27 am

Post by Wideftw »

It only has two socketed chips on the megajolt lite. I also will post a photo of the back. The ic I took out is still in perfect condition and switching it out didn't do anything.

Thanks

Matthew

Okay having trouble with file size. For now it's a lite jr. V4 rev c

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