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[SOLVED] Oscilloscope Tenma 72-6800 no trace

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bobdob said:
Bumping this thread because I had the same symptoms on an Instek GOS-620, which is pretty much identical. In my case, Pin 3 of the HV Transformer (T601) had a bad trace to R623. It wasn't visible, but tested open. No initial symptoms, just one day, no display. A little cleaning and a solder bridge onto the trace was enough to repair it successfully. Thanks to BradtheRad!
Click to expand...

Your post showed up in my update list. Glad to hear it took just a bit of detective work by you, to get your scope working. Your clicks on the 'Helped Me' button were appreciated.
 

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