A pixel continuity testing system of a liquid crystal on silicon integrated circuit, the system comprising: a plurality of pixels including a first pixel and another pixel; a column driver; a first column wire selectively coupled to the first pixel via a first pixel switch, the first column wire also selectively coupled to the other pixel via another pixel switch a yank structure including a yank up switch and a yank down switch; and a sensing amplifier configured to be selectively coupled to the first column wire via a sensing amplifier switch, and configured to sense a first resultant voltage on the first column wire from the first pixel following the closure of the sensing amplifier switch, the first pixel switch, and the sample switch and to sense a second resultant voltage on the first column wire from the other pixel following the closure of the other pixel switch, characterised in that: the system further comprises a column yank switch configured to selectively couple the first column wire to the yank structure such that the column yank switch and the yank up switch couple the first column wire to a first voltage source, and the column yank switch and the yank down switch couple the first column wire to a second voltage source; the first column wire is further selectively coupled to the column driver via a column driver switch; and the sensing amplifier further includes a differential amplifier sensing circuit and a sample switch in a feedback leg of the differential amplifier sensing circuit, the sensing amplifier configured to be a comparator circuit when the sample switch is open, the sensing amplifier further including a trigger including a programmable threshold. a plurality of pixels including a first pixel and another pixel; a column driver; a first column wire selectively coupled to the first pixel via a first pixel switch, the first column wire also selectively coupled to the other pixel via another pixel switch a yank structure including a yank up switch and a yank down switch; and a sensing amplifier configured to be selectively coupled to the first column wire via a sensing amplifier switch, and configured to sense a first resultant voltage on the first column wire from the first pixel following the closure of the sensing amplifier switch, the first pixel switch, and the sample switch and to sense a second resultant voltage on the first column wire from the other pixel following the closure of the other pixel switch, characterised in that: the system further comprises a column yank switch configured to selectively couple the first column wire to the yank structure such that the column yank switch and the yank up switch couple the first column wire to a first voltage source, and the column yank switch and the yank down switch couple the first column wire to a second voltage source; the first column wire is further selectively coupled to the column driver via a column driver switch; and the sensing amplifier further includes a differential amplifier sensing circuit and a sample switch in a feedback leg of the differential amplifier sensing circuit, the sensing amplifier configured to be a comparator circuit when the sample switch is open, the sensing amplifier further including a trigger including a programmable threshold. the system further comprises a column yank switch configured to selectively couple the first column wire to the yank structure such that the column yank switch and the yank up switch couple the first column wire to a first voltage source, and the column yank switch and the yank down switch couple the first column wire to a second voltage source; the first column wire is further selectively coupled to the column driver via a column driver switch; and the sensing amplifier further includes a differential amplifier sensing circuit and a sample switch in a feedback leg of the differential amplifier sensing circuit, the sensing amplifier configured to be a comparator circuit when the sample switch is open, the sensing amplifier further including a trigger including a programmable threshold.