schematics sansui TU 317

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Thanks

Is helpful but need the TU 317 for the last pieces of modification.

There is a slight difference between the two and like the 317 more then the 217

What works miracles after some changing is a snubber MKS4 wima 1600vdc across both 4007. Tried a Mkp 10 first but that is far behind.

Surprised me.

Might be a focus point in the whole circuit where a lot of noise is entering the board.
 
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