Other than testing the 4007 in circuit, no, there is no easy way. Have a chat to Dmitri and see if he had any similar issues. The TPS is his project after all.
On Thu, Jun 4, 2015 at 6:14 AM, oeiols@... [cgs_synth] <cgs_synth@yahoogroups.com> wrote:For the leds I´m using only a board with only the 4007 and share psu. I have disconnected this board for now.And I am using antistatic arm wrist band and a metal plate on my workbench. All earthed.Maybe I have got bad 4007s. I have got them from Tayda but I have never had any problems with theirs components before.Is it a way to testing them?Øivind
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