This community is the best place to find verified substitution lists [9] for discontinued Japanese semiconductors.
Though registration is often limited, this is the gold standard for downloading service manuals [9] that contain full parts lists. sansui amp parts
Original single-turn pots for setting bias and DC offset can be touchy. Replacing them with multi-turn trimmers [14] makes fine-tuning much safer and easier. Maintenance & Cleaning This community is the best place to find
The most common restoration task. Reliable choices for audio paths include Nichicon FG/KG [7] and Elna Silmic II [7]. For power supplies, Panasonic FC/FM [2] or Nichicon HE [2] are preferred for their durability. For power supplies, Panasonic FC/FM [2] or Nichicon
Certain original transistors, such as the 2SC871 [7], are notorious for becoming noisy or causing crackling. BC550 [7] is a common modern equivalent recommended by restorers.