Hi folks,
I have a faulty CAudio RA3001 amplifier :-(
Does anybody have a service manual for them ?
The amp is dead on one channel after being borrowed to a friend !
The protect light isn't lit, the first led on both VU meters lights up when turned on (one brighter than the other) and when you apply a signal both VU meters respond as they should but I only het sound out of channel 2. All fuses are fine and Ive tightened the fuse holders .
Any body have any ideas ?
Im a fully qualified electronics engineer (but more used to digital!) so I have access to all the test gear etc.
Thanks in advance for any help.
Kev
I have a faulty CAudio RA3001 amplifier :-(
Does anybody have a service manual for them ?
The amp is dead on one channel after being borrowed to a friend !
The protect light isn't lit, the first led on both VU meters lights up when turned on (one brighter than the other) and when you apply a signal both VU meters respond as they should but I only het sound out of channel 2. All fuses are fine and Ive tightened the fuse holders .
Any body have any ideas ?
Im a fully qualified electronics engineer (but more used to digital!) so I have access to all the test gear etc.
Thanks in advance for any help.
Kev
Thanks,
I noticed his name on some other posts but since im a newbie here it doesn't let me email yet !
Maybe soon thou
Kev 🙂
I noticed his name on some other posts but since im a newbie here it doesn't let me email yet !
Maybe soon thou
Kev 🙂
Help
Im still looking .
Anybody , please.
Ive emailed Lee but had no reply, he is obviuosly a busy guy.
Thanks
Kev
if is crest audio
you have 3000/3001/4000/4001 in this
Pro 3000, 4000 (4,362kb pdf)
the download page is here:
http://www.crestaudio.com/schematics/
you have 3000/3001/4000/4001 in this
Pro 3000, 4000 (4,362kb pdf)
the download page is here:
http://www.crestaudio.com/schematics/
you may take
a basic look in to secondary psu and also this you say about the led ( brighter than the other is very strange)
also most of Caudio i ve repaired in the past had protection issues
then again see and amke sure if amp is working no matter if you have protection issues
Psu fault is most likely since it must be a quiet old device ...
a basic test and look up will solve your problem ...
i dont have a schematic but a friend of mine owns the same amp so if your search comes to a dead end get back to me and will open my friends amp for you ....
LINE UP
my swedish friend .....have a cup of coffe .... or a beer ....
crest and c audio is totally other company
best regards sakis
a basic look in to secondary psu and also this you say about the led ( brighter than the other is very strange)
also most of Caudio i ve repaired in the past had protection issues
then again see and amke sure if amp is working no matter if you have protection issues
Psu fault is most likely since it must be a quiet old device ...
a basic test and look up will solve your problem ...
i dont have a schematic but a friend of mine owns the same amp so if your search comes to a dead end get back to me and will open my friends amp for you ....
LINE UP
my swedish friend .....have a cup of coffe .... or a beer ....
crest and c audio is totally other company
best regards sakis
Well, I found the fault thanks to the schematics provided by scaphoid.
One of the two protection relays wasn't switching even thou it was being energised. A new relay fixed the problem (swapped both anyway).
Thanks folks
Starstruck
One of the two protection relays wasn't switching even thou it was being energised. A new relay fixed the problem (swapped both anyway).
Thanks folks
Starstruck
Hello everyone,
I'am new to diyAudio. I'am currently having trouble with my RA3001, cannot on the power and blow the main fuse. Could someone provide me the circuit diagram for this model.
Can anyone help me..........
My email is victorhwk86@hotmail.com
I'am new to diyAudio. I'am currently having trouble with my RA3001, cannot on the power and blow the main fuse. Could someone provide me the circuit diagram for this model.
Can anyone help me..........
My email is victorhwk86@hotmail.com
RA3001 schematics wanted
Hi Guys !
I have an defective RA3001 where Softstart-Resistor has broken (47R 23W).... Does anybode have schematics ?
Thanks in advance !
ano1
Hi Guys !
I have an defective RA3001 where Softstart-Resistor has broken (47R 23W).... Does anybode have schematics ?
Thanks in advance !
ano1
Diagrams and Schematics
For the RA3001 diagram and many others.........
http://www.abeltronics.co.uk/diagrams
There's more to come!
For the RA3001 diagram and many others.........
http://www.abeltronics.co.uk/diagrams
There's more to come!
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