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Tektronix 2235 Oscillocope Repair -- X2 Capacitor Defective
Автор: Old School
Загружено: 2019-01-27
Просмотров: 5801
Описание: A X2 RFI line capacitor failed. In this unit there are at least 3 other X2 capacitors which must be replaced in the future. The ESR meter showed the capacitor to be open because it only measures up to 20 ohms. A high-value short would not register. All work except for the final testing was done with the power off. A variable isolation transformer was used for the power-on testing. Future projects include adding a fan and replacing electrolytic capacitors in the power supply.
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