Quote:
Originally Posted by Ed in Tx
Sometimes one or more RF switching diodes or transistors that pass signal from the ANT-IN to the VCR tuner and select between Antenna and the VCR's 3-4 modulator when playing or recording, get zapped from a nearby lightning strike or somesuch. That can cause diagonal lines in the RF 3-4 output.
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If all else fails I would think this would be the path to pursue.
Quote:
Originally Posted by mrjukebox160
Look in the RF modulator for 1uf and .47uf electrolytic caps. They were notorious for failing and causing that.
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+1 for this, caps can cause all kinds of weird problems I wouldn't think to attribute to them initially.