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Problem - Console

01.08.2024 - Signal disappears with EQ boost

Description

We realise that there is an instability in the circuit. We measure the resistance (ohms) between the nodes. We compare the resistances between a good board and the broken one. We find a significant deviation at the node of trimmers P1 and P2 (see pdf1) Mr Kupfer found out that the wrong trimmer potentiometers were originally soldered in! We solder in the correct trimpot potentiometers. Now problem is solved!

Photo

Video

Pdf

Pdf 1