Voltage Check Help and Troubleshooting, Please [resolved]

ItsAllInMyHead · 1315

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Offline ItsAllInMyHead

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on: April 17, 2019, 02:49:16 PM
Hello Everyone,

First - thanks to the Bottlehead group for putting together a phenomenal kit and the clearest set of build guides I've ever seen.  Even with that, I've made an error that I can't sort.  I am happy to post relevant pictures of the build.  I didn't want to take up space in case there may be a specific area to hone in on.

I thought I had followed the build guide to the letter.  My soldering technique is decent, but certainly not world class.  I checked and re-checked joints with a 3.5x set of jeweler's glasses and did "tug checks" on each.  I think all the joints are solid. 

Power Line Test - 121
Secondary Test - Correct and Within Tolerances
Glow Test - Passed
Resistance Check - Correct and Within Tolerances
LEDs - Both Lit
Votages.... Ooooh...  I'm embarrassed I can't figure it out.  Note, the black lead is on U12.

1:  -85.8
2: 0
3: -165
4 0
5 -85.4
6 -165
7 -66
8 - -165
9 -64
10 -165

Clearly I have missed something in my repeated reviews.  I let it set... came back to it... re-checked.  I shouldn't be stumped, but I am.

Any help is appreciated.



« Last Edit: April 17, 2019, 05:01:12 PM by Paul Birkeland »


Online Paul Birkeland

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Reply #1 on: April 17, 2019, 03:02:49 PM
That's an odd set of voltages.  Please do post photos of your build.  (And don't attempt to use it yet of course!)

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline ItsAllInMyHead

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Reply #2 on: April 17, 2019, 03:20:13 PM
Hi Paul -

Wow!  Thank you for the quick reply.  Here is an overall shot.  I also took a shot of the area with the rectifiers.  I had a bit of a time getting them all arranged properly, but I've checked them a few times.  But just in case...

Thank you!


Offline ItsAllInMyHead

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Reply #3 on: April 17, 2019, 03:23:52 PM
Oh Good GRIEF!  Maybe it just takes posting a picture to a forum to notice for myself...   I've got the lead on 13U.  Let me try on 12U....

Zoinks!


Offline ItsAllInMyHead

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Reply #4 on: April 17, 2019, 03:33:59 PM
Well, if anyone is wondering what their voltages may look like with the test lead at the wrong test point... I am here to say... ooops..

With the lead on 12U - We are good to go!!!  Yay!  Well, that cost me a few hours.  Just goes to show that I should check EVERYTHING including the test point.

1 - 80
2 - 170
3 - 0
4 - 170
5 - 80
6 - 0
7 - 100
8 - 0
9 - 100
10 - 0

Paul - Sorry to have wasted your valuable time.

Once again - huge thanks to the Bottlehead team and all the folks looking after the forums.

Now for some tunes!


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