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Tek 2247A won't boot up. Relays clicking, push-button LEDs flash, but no display.
My 2247A just failed on me and am looking for some initial thoughts on the likely culprit.<br> <br> After pressing the on/off button, it immediately goes into a repetitive cycle of clicking (like relays turning on) and briefly flashing all the push-button LEDs.<br> <br> The CRT never turns on and doesn't display any diagnostic information, obviously.<br> <br> Before I open the unit up, I'm hoping there's a likely cause for such power-up problems.
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