Yamaha PB1 schematic required

[blindboybenton]

Need a map for a Yamaha PB1 ( Rack mounted pre amp and graphic eq. )

many thanks
BBB

[Enzo]

My Yamaha service support site has no information on the unit other than date of manufacture 1981. And a couple vague service bulletins about a zener.

[nosaj]

Need a map for a Yamaha PB1 ( Rack mounted pre amp and graphic eq. )

many thanks
BBB

Try here
Index of /classic400/stuff/yamaha

nosaj

[blindboybenton]

thanks guys
the classic 400 stuff had a service manual

Many thanks again

BBB