do you have a multimeter? Measure the coils of the transformers and tell me
what you get. Reading between the two pads one one side of the transformer.
Readings between the two outside pads on the 3 pads the other side, and
between the center and each side.
Ken
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
what you get. Reading between the two pads one one side of the transformer.
Readings between the two outside pads on the 3 pads the other side, and
between the center and each side.
Ken
>> with a signal at one end and nothing in the middle, see if you get a_______________________________________________________________________
>signal
>> on the other side of that same transformer. Turn it around and try
>it the
>> other way too (i.e. the other transformer).
>
>
>I tried this and the signal is very faint.
>I have to turn the volume of the speakers up
>considerably to hear it and it doesn't show
>up on my oscilloscope.
>
>
>
>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> >The tracks and soldering look good.
>> >I'm not sure but I think there may be a problem with the transformers.
>>
>> I doubt it. They are all tested here before they leave.
>>
>>
>> >I found that the 14 pins in the middle(8 from diodes and 3 from each
>> >transformer) all produced the signal from the middle input.
>>
>> >The two pins on the right produced the signal connected to the right
>> >jack while the two pins on the left were silent.
>>
>> These two pins would be the output.
>>
>> with a signal at one end and nothing in the middle, see if you get a
>signal
>> on the other side of that same transformer. Turn it around and try
>it the
>> other way too (i.e. the other transformer).
>>
>> Ken
>> _______________________________________________________________________
>> Ken Stone sasami@...
>> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>