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18 Mar 2016

Philips CD720 tweaking

The original PCB

...original power rectifier and filtering

...all decoupling caps and opamps was removed


...here you are replaced with new performing Nichicon Muse BP and Nichicon Fine Gold


...bettered power supply

...among many tried outshine the very nice sounding OPA2134 by Burr Brown


...a couple of extra bypass caps on output very close to the nice TDA1545 , one of the best among bitstream converter

...bottom side of PCB




...a very good result indeed!!!!!







.......to be continue....
http://maoaudiolab.blogspot.it/2016/03/marantz-cd38-vs-philips-cd720.html 

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