Crack blowing fuse immediately [resolved]

Bhk1004 · 1385

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Offline Bhk1004

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on: November 01, 2020, 01:36:05 PM
All measurements up to powering it up at the end went well and were perfect. Cant find what's exactly wrong. Posting this up so someone can tell me where I screwed up. Symptom = plug in fuse poof.

Going to go reflow everything in the meantime.
« Last Edit: November 02, 2020, 05:45:19 AM by Paul Birkeland »


Offline Bhk1004

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Reply #1 on: November 01, 2020, 02:16:06 PM
Alright... think I reflowed everything and trimmed a little bit here and there. I'm down 3 fuses now so will wait till someone smarter than me saves me from myself.


Offline fullheadofnothing

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Reply #2 on: November 01, 2020, 02:44:55 PM
The UF4007 between 21L and 18L is installed backwards. See page 39.

Joshua Harris

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Offline Bhk1004

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Reply #3 on: November 01, 2020, 04:30:38 PM
Quote from: fullheadofnothing on November 01, 2020, 02:44:55 PM
The UF4007 between 21L and 18L is installed backwards. See page 39.

Thank you! That was the issue and all seems to measure within range. ignoring the .X mv readings as im assuming thats low enough its basically 0.

1. 84.5
2. 177.7
3. .4 mv
4. 177.8
5. 82.9
6. .4 mv
7. 108.3
8. .6 mv
9.  107.4
10. .4 mv

now to listen for the night, then slap on the speedball tomorrow.


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