Quote:
Originally Posted by Electronic M
You may want to avoid running the monitor until you check one thing...
This wasn't the case with all IBM monitors, but I've heard some of the early IBM monitors didn't have an on board horizontal and vertical oscillator...That means if you power them on without horizontal and vertical sync signals from the PC the monitor will destroy it's self in a few moments.
I'm not a computer collector but I know enough people who are to have heard of this issue.
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You are correct. The monitor needs a horizontal signal to work, but they don't die if not connected, at least not in my experience. I worked with so many of them in the early to mid 80s and never lost one to applying power without an H signal. With out the H signal on the base of the HOT, it pretty much just sits there. My monochrome adapter died and the replacement never got shipped (they claim to have misplaced it). So now I have to find another suitable replacement so I can get the thing a signal for full testing.
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Pioneer SX-1080, Pioneer PL-115D, Pioneer CT-F9191, Pioneer RG-1, Wollensak 8050A, Akai 4000DS MkII, Pioneer CS-05 & Polk 1.2TL
Denon 5803A, Pioneer DVL-700, Pioneer CT-W603RS, Toshiba HD-A3, D-Link DSM-520, Dish VIP-722, Polk 1.2TL, CSi5, LS/fx, RT-800 and PSW-650
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