RT nov 1972

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How to build a circuit to enhance the
picture sharpness on Philips VCR N1500.Described in RT No 11/1972.

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With crispening

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Without crispening
Picture shows how the board was installed inside the VCR.
I have omitted the text in Swedish.

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Needless to say, but similar types of circuits have been incorporated in video recorders for many years now.