Posted by BeatleFred on December 21, 2003 at 20:22:22:
In Reply to: Sansui 5000A channel driver circuit boards posted by Dennis Windle on December 21, 2003 at 12:00:04:
I believe that Sansui had some problems with the F-1040 circuit board back when the 5000A was a new model and replaced it with an F-6013 board.
There were Sansui Service Bulletins issued to address models that had various problem spots- you can check on the homepage of this website (click on the red print for Manuals) for 5000A-related bulletins.
B/F