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Sencore SC3100 / Oscilloscope

Discussion in 'Troubleshooting and Repair' started by Jana617, Jul 17, 2018.

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  1. Jana617


    Jul 17, 2018
    The trace would disappear after 15 min. Determined the problem in "High Voltage Board 1000". The Sencore replace a resistor with a MOV. Schematic shows it (was) as a 1 ohm 1 watt resister. Blowing cool air across it trace returns. I can not figure the marking on the MOV.....It states one side -XX72 X0XO other side GFCB China. I called Sencore. No help.
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