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N_Cook wrote in message
...
A job for tomorrow, take the PA apart again. The muting TO92 J111 FET is
falsely pulling down the signal line, -18V control V on gate dropper of
both
channels but not so the gates.


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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/




Not the FET but the gate to ground cap going ohmic, see more relevant thread
on WEEE/RoHS/PbF


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/