Pinnocchio wrote:Did you short the input to ground while doing the adjustment of the second board?
oneplustwo wrote:Checked the trimpots and they are correct. If I measure the resistors and compared against the good board, that wouldn't necessarily mean that a discrepancy is in that specific resistor since it will be measured in the circuit overall, correct? But that could give an indication of what to trouble shoot further?
\I'll check what happens with R11-R14 as VR4 is adjusted tonight and report back. Will also try to check voltages (I do this with the bias up for 40 mV and ignore the fact that offset is not zero, correct?). There's a lot of them! Does it makes sense to proceed from outside in or left to right or something else?
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