oscilloscope help needed

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sweatybetty

New Member
Hello all! New guy here. Please forgive me if i have posted this in the wrong place.
I am fairly new to electronic repairs, which i am trying to learn for the repair of older audio equipment. I recently bought an oscilloscope from ebay. It is a Leader 8106. It worked fine for about 2 weeks, then the next time I turned it on, the trace was gone on both channels. I have found that if I turn the horizontal adjustment fully to the left, i have a bright dot. That is all. I am a bit leery about opening this unit up due to the high voltages and my in-experience.
Any ideas as to what I may have done wrong, adjustments to make, or places to read would be very much appreciated. I did buy a warranty with the unit so that is also an option.

thanks all sb
 
Welcome to ETO, sweatybetty!

Horizontal Sweep has failed.

Given your stated lack of experience, I'd execute the warranty option.
 
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