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au-777a

  1. M

    Sansui AU777A repair Gone wrong?

    Hi, hope i am posting in the right section! I am after some comments / advice from the photos posted. I picked up an AU777a from a guy who has owned since new. He has given all the paperwork that went with it, and i believe it was unmolested. On playing, after a couple of hours the protection...
  2. B

    Some comments and observations on a Sansui AU-777A upgrade

    I am the original owner of my 777A which I purchased back in 1970. A few years ago, I felt it was way past time to address the 50 year old caps – prior to the puff of gray smoke! Two years ago, taking advantage of the excellent “xmas break rebuild” posting from smurfer77, I started with the...
  3. Leestereo

    Leestereo's Restoration and Upgrade of a Sansui AU-777A

    A little while ago (last summer), a very nice AU-777A was on the workbench for a complete restoration and upgrade. Part 1: HEAD PRE-AMP BLOCK (F-1194) The F-1194 board includes the phono stage (600-series components) and the line level stage (700-series components). A. Phono Stage The...
  4. W

    AU-777A Died

    Does anyone have a detailed schematic for this amplifier? It has been a super amplifier since 1969 and I would only replace it with a tube unit if I can not repair this one. Thanks for any and all assistance. Woody
  5. W

    My AU-777A Died

    Does anyone have a detailed schematic for this amplifier? It has been a super amplifier since 1969 and I would only replace it with a tube unit if I can not repair this one. Thanks for any and all assistance. Woody
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