Bottlehead Forum

Bottlehead Kits => Legacy Kit Products => Smash => Topic started by: StevePL on May 17, 2018, 12:48:26 PM

Title: Blown Fuse While Checking The Transformer
Post by: StevePL on May 17, 2018, 12:48:26 PM

The fuse blew while checking the transformer, pulled the fuse from my Crack and that one blew too.
Wired as illustrated. No damage to any wires, used the supplied power lead and the one from my Crack.

Title: Re: Blown Fuse While Checking The Transformer
Post by: fullheadofnothing on May 17, 2018, 02:04:40 PM

Pictures could be helpful.

Title: Re: Blown Fuse While Checking The Transformer
Post by: StevePL on May 18, 2018, 06:40:40 AM

I'm going to try to get some new fuses today. I am also going to try a different multimeter, I have a suspicion that the one I use is fine with ohms but doesn't like AC power.
Here are some pictures. I'm going to reflow the joint on the power switch closest to the edge of the chassis

Title: Re: Blown Fuse While Checking The Transformer
Post by: Paul Birkeland on May 18, 2018, 09:33:26 AM

Can you take a top down shot from above?

Title: Re: Blown Fuse While Checking The Transformer
Post by: StevePL on May 18, 2018, 10:04:03 AM

Here you go.

Title: Re: Blown Fuse While Checking The Transformer
Post by: Paul Birkeland on May 18, 2018, 11:10:46 AM

With the power unplugged, remove the red wire that connects to the power transformer, then leave it sticking up in the air and retest.

With that wire disconnected, check the DC resistance between terminals 1 and 2 on the power transformer.

-PB

Title: Re: Blown Fuse While Checking The Transformer
Post by: StevePL on May 18, 2018, 11:25:08 AM

Quote from: Caucasian Blackplate on May 18, 2018, 11:10:46 AM

With the power unplugged, remove the red wire that connects to the power transformer, then leave it sticking up in the air and retest.

With that wire disconnected, check the DC resistance between terminals 1 and 2 on the power transformer.

-PB

I'll try this once I've been to the store to get some new fuses.

Title: Re: Blown Fuse While Checking The Transformer
Post by: StevePL on May 19, 2018, 04:05:56 PM

It was the multimeter.
The fuse didn't blow and all voltages checked within specs with a different multi meter connected.

Title: Re: Blown Fuse While Checking The Transformer
Post by: Paul Birkeland on May 20, 2018, 07:39:31 AM

Good meters are getting much, much harder to come by these days!  I'm glad you got that issue sorted early.