studer A807

[aveni]

Hallo , I have a Studer A807 mkII .
When i turn the power on , there is nothings that works .
No display , no motors turns.
This units its stay still a little years ( 5).

The fuses are o.K ???

regards

[dago]

Hallo,

do you have any measuring equipment ?

Please disconnect the A807 from the 220V. Then use the ohmmeter to look, whether the powerswitch is working correctly.

Good luck !
Rainer alias dago

[aveni]

Hallo, power swith O.K .
spanning O.K
all fuses o.K - ALim 48v , +15, -15

[erich]

hello aveni,

do you have the +5,6V on the tape deck electronics ?

regards

Erich

[aveni]

hello aveni,

do you have the +5,6V on the tape deck electronics ?

regards

Erich

Thanks erich , no there is no power 5,6V on the tape deck electronics .

What can i do for repair it ???

regards

[erich]

Hello,

I don´t know, if you are a technician.
Do you have the servicemanual ? If not, here is the download:

ftp://ftp.studer.ch/Public/Products/Recording_Analog/

If you look to the circuit diagram, there are seveal possibilites.

regards Erich