> Someone sent me one to take a quick look at:
> 
> No audio. No signal levels.
> Display works fine.
> Powers on and off.
> 
> ideas?

Why yes, Colin...

It is the 2SB1121 Transistor in the power supply --
It switches UNREG 9-11 V to the 5V regulator.

Replace or BYPASS to test - the YB400 will spring to life.


--
Colin Newell - Editor/Creator coffeecrew.com | dxer.ca
Web-Design / E-Commerce / Writing
Victoria, British Columbia, Canada

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