Dot Noise Remove Board (VIC II 856X)

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With this board the white pixels on the screen border can be removed for C64 with newer VIC-II ICs (856x, C64C 1987-1994). For this purpose there are two trimmer potentiometer places (top/bottom), of which only one can be used. depending on the space required, it can thus be decided which one to choose, the respective other board piece can be removed from the board.

Calibration: First turn counterclockwise to the left stop, then turn clockwise bit by bit until the white dots have disappeared completely.


-> BOM

Components Ordering help (no claim to completeness, may be out of date):

-> Reichelt CSV

-> Components from other sources


- Dot Noise Calibration Tool

Programmed by Matthias