Quote:
Originally Posted by Chris K
I have a digital to analog converter box and an over the air digital broadcast antenna that works OK on my other vintage TVs and I don't get anything approaching a picture on the 721 with this setup. The only picture I've gotten is with the pattern generator...crosshatch...dots etc...through the Leader 396. I did double check and it does not produce a tone. Maybe I should stop focusing so much on getting the sound and concentrate more on getting a broadcast picture. I don't know if my digital to analog converter box has enough "oomph" to get a picture on the 721. What are you pumping into your set to get that beautiful picture?
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I would agree focus on getting a broadcast picture using the converter box. First verify everything is working correctly using another analog TV. Next verify you're set to the same channel and center the fine tuning control on your 721, then try adjusting the oscillator slug associated with that same channel. It is curious that the Leader produces a picture on ch 3 or 4 but not the converter box. I believe the Leader produces it's signal using digital logic, but it is possible it's master clock frequency has wondered slightly.