Couldn't resist. Got one channel up and running already but the other will take a bit more work (something shonky in the pre-amp)
Also found a thread on AudioKarma.org with substitutes
Concerning the transistors, here is the cross reference table I used with succes
(thank you very much Echowars )
355N -> MJ15024G
357N2 -> 2SC2238
357P1 -> 2SA968
263N6 -> 2SC2632
148N3 -> 2N3904
158P3 -> ???
383P1 -> 2SA835
383N2 -> 2SC1124
213N1 -> ???
360P1 -> ???
CA3100S -> HA2525 (not tested !)
D206 -> 1N4148
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The famous R232
Popping the top shows R232 has been replaced - indicating I need to check K303 for welded-closed failure on one side
And then onwards as per Pat66's instructions on Audio Karma
Nice to have the path marked out!
Popping the top shows R232 has been replaced - indicating I need to check K303 for welded-closed failure on one side
And then onwards as per Pat66's instructions on Audio Karma
Nice to have the path marked out!
Philips AH578 schematic here :
https://www.diyaudio.com/forums/solid-state/367494-latfet-amp-based-philips-ah578-3.html#post6525315
https://www.diyaudio.com/forums/solid-state/367494-latfet-amp-based-philips-ah578-3.html#post6525315