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Akai S612 Problem
Old 11th January 2012
Gear interested

Thread Starter
Akai S612 Problem

Hey everyone, I just got an Akai s612 (to go with me AX60.) However, I am getting no input, from either input. Everything else seems to be working just fine, the sample recording etc. So I'm guessing one of the op amps is out...Only I can't find a schematic for this thing, so I can't start tracing the signal,,,Anyone have any idea if I'm on the right track, or know where I can find a schematic? I got this thing for $5 and the DIY in me really wants to see her live again.
Old 11th January 2012
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acreil's Avatar

Check the power supply first.
Old 12th January 2012
Gear interested

Thread Starter
The power supply is good, all lights come on, the buttons all work, when you push sample it starts recording. The meter lights up. I just have no signal from either input, which makes me think one of the opamps in the input chain is out.
Old 13th January 2012
Gear interested

Thread Starter
acreil you must be some psychic genius. I decided to take another look last night. The power supply board had a small crack in it that I had missed that was right between one of the large electrolytic capacitors and a small jumper. So I soldered in a jumper between the two and boom everything works now. I'm guess that the crack had kept power from going to some of those TL082s.

Your post just saved me the $35 I was literally 5 minutes away from spending on the schematic. Many thanks
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