Quote:
Originally Posted by Electronic M
Unless the modulator on the cable box is the same brand and model as the one on the DVD player there's no guarantee it will perform the same or even try to implement the NTSC standard to the same level of strictness or laxness. Consumer gear isn't broadcast gear so it doesn't all try to implement NTSC to broadcast standards....It usually does the minimum to not get a lawsuit or excessive customer complaints...How far (if at all) beyond that "don't sue me" threshold a maker goes is their discretion.
Does the cable box have a composite video and audio out? If it does why not connect that to the modulator you use for the DVD player if that modulator works better. If all the cable box has is RF and HDMI use a either a VCR to convert the RF to audio and composite video for the modulator or an HDMI to AV converter.
Analog composite audio video switch boxes are cheap at the thrifts if you need to have multiple video sources feeding the modulator.
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So what it comes down to is the IF strip is out of alignment.