Upgrading SMPS PS In MY DVD Player?

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I was in the mood to upgrade the PS in my Marantz DVD player the same way I did my CD67SE player but as soon as I pulled the cover I discovered something new. I have a SMPS KA5M0365R based power supply. I have been looking at a basic SMPS tutorial but it appears this may be more challenging than the standard bridge rectifier/voltage regulator circuit. Can anyone provide me with a few tips/links to get me started?

Regards,
Dan
 
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