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Old 02-17-2021, 03:50 PM   #15
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Default Re: FeelTech / Kuman FY6600 DDS Function Arbitrary Waveform Generator repair

yours has a different problem than mine had. Mine was totally dead, as one of the voltage rails was shorted to GND. Not sure what problem yours has. Maybe give it a good visual under the microscope. Check all the voltage rails, 12, 5, 3.3, 1.2V. There is a TTL, maybe read it out.
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