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Forum 135

Frame flyback blanking for Bush TV22.

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Till Eulenspiegel
(@till)
Posts: 4947
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The Bush TV22 doesn't have frame flyback blanking and users of this set mention that that the retrace lines do often appear on light scenes and program intervals.

It should be possible to add frame flyback suppression to the Bush TV22.

 The attachment shows the method used to perform  flyback blanking in other Bush TV receivers. The circuit shown in the attachment is from the models TV33, TV36C and TV43.

Only two additional components are required, a 100Kohm resistor and a 0.002uF capacitor.

Till Eulenspiegel.

BushTV22 flyback suppression

 

 
Posted : 18/10/2019 10:19 am
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