21" Zenith 20BC50 - Horizontal Lines Problem - Videokarma.org TV - Video

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21" Zenith 20BC50 - Horizontal Lines Problem

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03-21-2019, 07:36 PM

Yamamaya42 Yamamaya42 is offline

VideoKarma Member

Join Date: Nov 2018

Location: Round Rock TX

Posts: 3,176

Retrace lines.
could be a few things.
Screen drives too high, OR more likely, the blanking circuits are not working correctly ( vert /horz ) not shutting off the electron beam on the back-sweep, hard to tell w/o seeing your set's video

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