RFZ V781, W734a, W760-2 schematics/service manual

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I don't think we've seen Michael K. for quite a long time around here?

RFZ V781 Studioverstärker info - attached .zip

(rename extension from .zip.jpg to .zip)

Jakob E.
 

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Nice, thank you Jakob...
gyraf said:
I don't think we've seen Michael K. for quite a long time around here?

RFZ V781 Studioverstärker info - attached .zip

(rename extension from .zip.jpg to .zip)

Jakob E.
 
Does anyone know what are the calibration trimpots for ? On the V781
Thanks
You can set every discrete OPA for best operation. The best way is to use an audioanalyzer.

One trimpot is for supplyvoltage adjustment.

Best regards!

jokeramik
 
Last edited:
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