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Message body Emoticons View more Emoticons	Font colour: Default Dark Red Red Orange Brown Yellow Green Olive Cyan Blue Dark Blue Indigo Violet White Black  Font size: Tiny Small Normal Large Huge Close Tags [quote="gridleakrick"]Aler, Forget all the other advice you have received so far. If pressing the beam finder button does not display a trace then something is seriously wrong internally in the scope. First, check all the power supplies to see if they are putting out the correct voltages. You will need a high voltage probe to check the cathode and accelerator voltages. Be VERY careful as these are thousands of volts!!! The lower voltages can be checked with a standard meter (digital or VOM). Then check to see if the sweep circuits are working. It starts to get rather complicated here so you might want to find someone in your area to give you a hand. By the way, could I get a copy of your schematics for this scope, please? If possible, email them to me at gridleakrick--at--yahoo.com (of course, replace --at-- with @). Thanks, gridleakrick[/quote]
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