Anybody by any remote chance have a schematic copy for a C - Audio RA 1001
> slave amp ? Drawn a blank from all the usual places.
>
> Looks as though it has been stored somewhere cold and damp, although dry
> enough now. Basically, it won't come out of 'protect' although there seems
> to be nothing wrong fundamentally with either channel. Both channels have
> good output, with no DC offset, as far as the output relays. There is
> another relay over at the mains input side of things that looks like it
> shorts a bloody great resistor, so inrush limiting I guess. All three
relays
remain stubbornly off, and the protect light stays on. I can't read any
> volts at any of the three relay coils, and none of the pins appears to be
> grounded, so they are not high-side switched. So may be something as
simple
as a missing rail, but hard to follow print around as it's double sided,
and
fairly crowded ...
>
> Arfa
>
If the C is for Crest then sounds like my experience of a pile of Crest Audio Pulse 2 1100 , amps stored in a Dutch barn schema available out there repair briefs on
formatting link
IIRC all the problems were condensation/corossion inside minor TO92 owner thought draping a tarpaulin over them in the barn was sufficient protection in the UK