Smashup Volatges Off 1 Side [resolved]

galyons · 6561

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Offline galyons

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Reply #30 on: July 21, 2015, 08:48:08 AM
Yep, they are gone!
Geary

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Offline galyons

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Reply #31 on: July 26, 2015, 11:15:51 AM
If you aren't getting 2.5V out of the 431 chip on one side, you can try replacing it. 

-PB
Replaced one of the the LM431's.  Before voltage output  was 1.3VDC, now the same, 1.3VDC.  Didn't do the other.
Cheers,
Geary

VPI TNT IV/JMW 3D 12+Benz LP-S>  Eros + Auralic Aries + ANK Dac 4.1 >Eros TH+ Otari MX5050 IIIB2 > BeePre >Paramount 300B 7N7 > EV Sentry IV-A

Thorens TD124/Ortofon RMG-212/SPU >Seduction > Smash^Up> Paramour 45 MQ >K12's


Offline Paul Birkeland

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Reply #32 on: July 31, 2015, 10:32:51 AM
Replaced one of the the LM431's.  Before voltage output  was 1.3VDC, now the same, 1.3VDC.  Didn't do the other.

They are in parallel, so you'd need to do them both.

Paul "PB" Birkeland

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Offline galyons

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Reply #33 on: August 01, 2015, 12:20:50 PM
Thanks Paul!  Problem solved!  Although my LM431 stock took a big hit! I am getting 2.5VDC out of both boards at +reg A.  Also solved my ripple on the outputs, as well.  Sounds damn fine!!

Cheers,
Geary


VPI TNT IV/JMW 3D 12+Benz LP-S>  Eros + Auralic Aries + ANK Dac 4.1 >Eros TH+ Otari MX5050 IIIB2 > BeePre >Paramount 300B 7N7 > EV Sentry IV-A

Thorens TD124/Ortofon RMG-212/SPU >Seduction > Smash^Up> Paramour 45 MQ >K12's