Sansui AU-3900 Schematic Diagram
Complete schematic diagram for the Sansui AU-3900 integrated amplifier. This 2-page service manual schematic provides detailed circuit layouts essential for troubleshooting, repair, and understanding the audio signal path. It includes full component references for all discrete transistors (2SA726, 2SC813, 2SB560, 2SC364, and others), tube stages (F-2555, F-2556, F-2554), output transformers, power supply topology, and biasing networks. Ideal for technicians performing maintenance, capacitor replacement, or restoring vintage Sansui amplifiers. The PDF download contains the complete technical schematic needed for accurate diagnosis and component-level repair.
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Document Details
- Format
- Pages
- 2
- Size
- 1.8 MB
- Category
- Audio & HiFi