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Easy-X |
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Easy-X Super Spammer
Joined: 08 Mar 2019 Karma :
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MCN |
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MCN Super Spammer
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Easy-X |
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Easy-X Super Spammer
Joined: 08 Mar 2019 Karma :
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Posted: 13:25 - 20 Mar 2021 Post subject: |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 14:32 - 20 Mar 2021 Post subject: |
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That's fantastic guys, I couldn't make out what that chip was but it's a viper 12a but the 2a had burned clean off. So I have 750VAC at the "Drain" pins and nothing at all at the "source" pins.
There is continuity between the "source" pins, as near as a dead short as I can measure with my multimeter. I think that means it's fucked.
Hmm. I've removed the IC and while I THINK I could solder in a new one, there are other faults, no supply to the IC input for one thing. There's a little mini transformer in there which I think has also died.
I think there's just going to be a cascade of dead componants on here. The presence of 750V has probably fried multiple parts.
Thanks a lot for all the help, this has been a valuable learning experience for me and I'll be able to fix other things another time. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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WD Forte |
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WD Forte World Chat Champion
Joined: 17 Jun 2010 Karma :
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Posted: 17:12 - 20 Mar 2021 Post subject: |
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So its a 12a! I read it as VIPer lc
(didnt have me glarses on)
Not sure why you're getting 750 AC
can only guess its an open circuit voltage after the transformer
which would drop when in circuit and under load.
I have seen this, its say its a service manual but dont know if will give any useful info on the PCB as i'm not a scribd member
https://www.scribd.com/document/437936885/na127vb4-pdf ____________________ bikers smell of wee |
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Old Thread Alert!
The last post was made 3 years, 35 days ago. Instead of replying here, would creating a new thread be more useful? |
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