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Old 03-29-2018, 09:09 AM
Electronic M's Avatar
Electronic M Electronic M is offline
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Many import Japanese tube era TVs I've seen seem to have on average more and bigger lytic caps than American sets so I'd imagine they had issues and dealt with it by liberal use of capacitive filtering.
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Old 03-29-2018, 10:07 PM
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A-ha! I see why I was confused.

In PAL, the quality (more specifically, the precision) of the delay line is critical, but the delay line can be left out if one were tolerant of "Hanover bars".

In SECAM, the mere presence of the delay line is critical (no delay line, no SECAM).
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