Sony WM-EX674 Inside

The Sony WM-EX674 Walkman has a precision-engineered metal chassis for the cassette transport mechanism. The printed circuit board (PCB) is high quality, with surface-mount device (SMD) components. From the markings, it appears that the WM-EX670, WM-EX672, WM-EX678, WM-EX600 share the same PCB design.

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