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Ashdown Problem

#6
I think Stabone means that he plugged the guitar in, but anyhow....

Stuff to check:
1) Is the Ashdown's mute button pushed in? If it is, you'll see an LED glowing next to it.

2) If you're using an ABM, try turning the clean/tube blender control all the way back to "clean". If you had it all the way over to the tube setting, you may have a defunct ECC83.

2) The fact that the VU meter moves shows that there's nothing much wrong in the first stage of the pre-amp. Are you getting any signal coming out of the tuner output, FX send socket, D.I. XLR etc.? If so, you probably have a power amp problem.

3) Plug the amp into another speaker (anything will do) using a different cable that you know to be good and listen for hum/hiss. If you get absolute silence, the power amp is in trouble.

Which Ashdown amp is it, and what speakers?
 
#8
Stop stop stop. I had this happen and I panicked as well. Slide the head out, the 2 little fuses are on the circuitboard on the pre-amp side of the head. These were my exact symptoms and that was my exact solution. You're getting power to everything but the preamp isn't sending a signal to the power amp.
You can get the fuses at Radio Shack for like $2 and you'll have 2 extras to tape to the inside of the amp for if this ever happens again. It hasn't happened again with mine.
C7
 
#9
If a fuse is blown, the question then would be "Why did it blow?" Buy yourself at least two sets of fuses, replace the blown one and try the amp carefully. If it blows a fuse again, you have an underlying problem that must be diagnosed by a proper tech.

Oh, and - of course - do remember to unplug from the mains before sliding out the chassis.
 
#10
I don't know if you've seen my earlier post on my frustrations with Ashdown, but my amp's problem is very similar. Now, it's back from the tech, and when I start it up sometimes I experience your exact same symptoms.

If I'm not getting any sound I'll let it warm up a bit and then try playing again, and the sound will usually kick in while I'm noodling around. After this I can begin using it, even for extended periods of time (my fingers are crossed that this doesn't change).

The tech, although he could never get it to fail, replaced a transistor in the preamp section. I hope this helps.

Sometimes I think I may be just cursed, but if I take it back to that tech and he can't make it fail, then I'm going to make him an offer on his workbench, because it is clearly magical.

Thanks,
Dirk
 
#13
Espidog said:
If a fuse is blown, the question then would be "Why did it blow?" Buy yourself at least two sets of fuses, replace the blown one and try the amp carefully. If it blows a fuse again, you have an underlying problem that must be diagnosed by a proper tech.

Oh, and - of course - do remember to unplug from the mains before sliding out the chassis.
Click to expand...

Martin at Ashdown gave me a simple answer to this when I asked what might have caused it.
"We used cheap fuses.":D
C7
 
#18
That Martin Burrows? I got a five fifteen a couple of months back and when i replaced the fuse,that one blew too..I Bought the Ashdown Five Fifteen from thomann.de.Seven weeks later,the amp breaks shortly before being used for a concert.It has been sitting,gathering dust for the past three months and after been rejected repair fom practically every music shop in Dublin,I found myself ampless and soulless...

ATTENTION! I MUST FIX THIS AMP! EVERY REPAIR GUY YOU KNOW E-MAIL ME!
 

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