All three projectors are out
I have Zenith 5263rk tv and it has sound, but the projectors heaters are all off; what could cause all three to go out at once?
Cameras - Pentax - DA 50-200mm f/4-5.6 ED Lens
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Answers & Comments
Power supply board.
It might be the video source, or the cable you have hooked up to it, be sure you check that the video cables are plugged in correctly and not damaged. its hard to say what else you need to do not knowing what all you have hooked up to the projector
Power supply.
Marc Engineer