We decided to disassemble this power supply to see what it looks like inside, how it is designed, and what components are used. Please read our Anatomy of Switching Power Supplies tutorial to understand how a power supply works inside and to compare this power supply to others.

In this page, we will have an overall look, while in the next page we will discuss in details the quality and rating of the components used.

On Figures 7 and 8 you can have an overall look from inside this power supply.

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Figure 7: Inside Young Year YP-AB.

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Figure 8: Inside Young Year YP-AB.

What immediately caught our eye was the marking “Model ATX-66B.” We found out after a quick search on the net that this is the exact same PCB used by other power supplies manufactured by Sun Pro, including some models they OEM to Young Year, Ultra (X-Connect 500 W) and Aspire/Apevia.