Sansui 661 AM/FM Stereo Receiver Service Manual PDF. 34 pages total.

Contents

   1. Specifications
   2. Block Diagram and Level Diagram
   3. Threading of Dial Cord
   4. Alignments and Adjustments
   5. Troubleshooting Chart
   6. Part Locations and Parts List
   7. Schematic Diagram of Tuner Section
   8. Schematic Diagram of Audio Section
   9. Packing List
   10. Accessory Parts List
   11. Maintenance