Here, you have a chance to buy USED Tuner board F-2549 for Sansui receiver model 9090DB. The board is in very-good condition, complete, nothing damaged, no cracks, no parts discolored... Long time ago, it was removed from working unit.
Please look carefully at high resolution pictures, because they are part of description.
Installation should be done by qualified technician only, because it is not simple to do that! The board is factory adjusted, but when you install it in 9090DB receiver, you should have test equipment to readjust some parameters, so it is highly recommended to do that in some qualified service.