On 10 Okt, 00:30, Tim Phipps
wrote:
powerampfreak wrote:
On 7 Okt, 15:54, "Dave Plowman (News)" wrote:
In article . com,
powerampfreak wrote:

I've got a C-audio power amp modelRA4001. The unit is stuck in
"protect" mode and won't energize the softstart bypass relay. The
poweramp channels seems ok, and there are no dc-offsets. Either anyone
has a good hint or possibly the schematics for this unit. Greatful for
any advice.
If it's a MOSFET, check for oscillation.

--
*24 hours in a day ... 24 beers in a case ... coincidence? *

Dave Plowman London SW
To e-mail, change noise into sound.

I would suspect the softstart relay still energize, even if one amp
channel is bad.
It has output relays as well. These doesn't energize either..
No schematics available?

/Stefan

Fortunately I saved the contact email from when the remains of the
C-Audio website was still up. Try Mark DOT Ayres AT harmanpro DOT com.
He sent me a copy of the RA 1, 2 and 3 series schematics a couple of
years ago when I enquired.

--
Tim Phipps

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Tried to mail the above contact, without any reply. Probably, Mark
have left Harman.
Anyone else have any input for a schematic for a C-audio RA4001
poweramp?