Quote:
Originally Posted by ChrisW6ATV
Jon-
Yes, it should be possible to directly connect a composite-video signal, BUT: Of course, an isolation transformer MUST be used to power the set during such a test (and, in fact, during all service of these sets!). The logical place to connect video is to the control grid (pin 1) of the video amplifier tube, a 6AU6.
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Tried this but could not get it to work. Do I need to remove the over the air signal wire and replace with composite on pin 1? I just soldered composite signal to pin 1 and ground to ground