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Aion lab series l5

Started by swt, January 13, 2019, 11:19:02 PM

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swt

Hi. Just finished this project and i am having problems with r76. Before it, i have audio probe and tested the 4.40 ac volts as per calibration. Right after it, audio is almost lost and ac volts drops down to few millivolts. Any clues?

Jazz P Bass


phatt

Power down and read the resistance across that resistor,, it maybe open and read a much higher that stated.
Phil.

swt

Thanks for the replies. R76 reads ok at 99.8k. It must be something with ic 11 or q1.
Schem at aion site.

Jazz P Bass


swt

Solved. The 100p that was suppossed to be a multilayer was in fact an inductor. Bad supplier. Thanks a lot.

g1

C37 in the IC11 circuitry I guess?

swt

Yes sir! C37...no wonder why ot wasn't working