Service manual : ptc PT2253A.pdf, PT2253A is an electronic volume controller IC utilizing CMOS Technology specially designed for use on audio equipments. Found in FIRST portable Hi-Fi system tipe FA-1170 manual preview

Preview for : ptc PT2253A is an electronic volume controller IC utilizing CMOS Technology specially designed for use on audio equipments. Found in FIRST portable Hi-Fi system tipe FA-1170

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ptc PT2253A is an electronic volume controller IC utilizing CMOS Technology specially designed for use
on audio equipments. Found in FIRST portable Hi-Fi system tipe FA-1170