ADA Depot - A Forum To Support Users of ADA Amplification Gear
ADA Preamps => MP-2 => Topic started by: Damn-Danny on April 04, 2018, 01:12:13 PM
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Got a MP2 from France
not functioning, no tubes in lcd defect.
it start up all led are green, if turn it off/on several times leds go of.
plugged guitar in it , the compressor led lits up when i play no sound at any out put.
what could be the problem, put 2 JJ 12ax7 in to it and they warm up, after some time hot.
if it tip on print behind 2 pot meters it hear little noise on outputs.
help
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Well from the pic you send me you seem to be missing U606 which is a NE5532 opamp.
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First the MP 1 got modded, the MP2 can wait, first collect the needed IC's.
And hopefully it will work.
Maybe the LCD don't need to replaced.
Hope Marshall JPM can help me out then.
Tomorrow i will send the MP1 to him.
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Hope I'll find all the missing IC's. one day
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No worries, Danny! MJMP will get it working again or at least have an assessment for you to consider. You're in good hands :thumb-up:
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Nice to know :headbanger: