Thread: Help with a B&K 1077PAL
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  #20  
Old 12-13-2018, 12:51 PM
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Notimetolooz Notimetolooz is offline
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The schematic shows that C30 is 470 pf. It is part of the frequency determining components. It may be a different value for PAL. The stray capacitance of the probe changed the total on the grid and so probably changed the frequency.
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