Mod on LM1086 at LUNA2

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readymedia
Posts: 48
Joined: Sun Oct 13, 2013 11:33 am
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Mod on LM1086 at LUNA2

Post by readymedia » Fri Mar 23, 2018 1:57 am

Hello there!

I got an Luna 2 card as a gift. The card is may defective. I noticed, that the power regulator LM1086 got some mods in the past. There are some SMD resistors or capacitors soldering in between the pins. Is it an official mod or something else? May someone know something about it?

Image

Cheers, Andreas
me, M6700/i7quad/Win7: PT11/Ableton/Komplete
WinXP/Luna2/Modular2 @Dell630 Dock

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readymedia
Posts: 48
Joined: Sun Oct 13, 2013 11:33 am
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Re: Mod on LM1086 at LUNA2

Post by readymedia » Sat Mar 24, 2018 12:39 pm

I put the card in my backup PC. It works. I just had some hassle importing the keyfile. It first seems not to be imported by the SFP4.5 installation. I had to start SPF after "failed" installation and found the keys imported. May that has nothing to do with the mod on LM1086 - but anyhow it works.
me, M6700/i7quad/Win7: PT11/Ableton/Komplete
WinXP/Luna2/Modular2 @Dell630 Dock

panaman
Posts: 11
Joined: Tue Feb 16, 2010 3:21 am
Location: germany

Re: Mod on LM1086 at LUNA2

Post by panaman » Mon Apr 02, 2018 8:57 am

my luna doesnt have this mod. you can find the schematics for the regulator here:
http://biakom.com/pdf/LM1086_NSC.pdf
i believe whoever used this mod didnt have the original regulator and had to adjust the output voltage with the 2 resistors

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