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TDS3032 does not boot. LCD backl-ight and fan working.


 

Hi guys,

I have a TDS 3032 that does not start. When powered on, the fan spins, and the LCD shows a white screen (i.e., back-light only). There is no beep, no floppy seek sound, and no relay clicks - the scope simply stays this way and does not attempt to boot. All power supply voltages are within spec. Pressing the calibration button in the back during power on has no effect.

Any ideas as to what may be the cause of this would be most welcome!

Can it be a dead battery in the Dallas NVRAM chip? I know this can cause weird problems at startup, but I do not know if this is one of them.

Thanks in advance,
Benjamin

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