Originally posted by kla4:
Hi Tony,
Well, the original toroidal transformer was replaced by an unknown 'technician' with one that has not the same voltage outputs.
(Original transformer says : 1 x 12V, 2 x 16.2V The replacement one measures 1 x 16 and 2 x 14.6 V AC while active in circuit)
On top of that he messed up the wiring and I'm afraid he connected ground-wiring to the secondary AC circuit. Now there is a HUGE humming noise and I want to get rid of this.
In fact I would like to know how the transformer should be connected on terminals 1 - 8 on the PC board (CN1)
TWD will know this he will probably have a photo of it somewhere. See if he sees this thread.I think you have a grounding problem.
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Tyros 4/Pair SR 350/ PC with a i8 intel chip, XENYX 802, Ford Focus 2 litre/Tascam DR07/Brother printer/Designjet 500/ our Doris/5 Grandchildren/ white boxers short Kymart shipped over and Typhoo Tea Earl Grey
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