Easy repair of Power Green model GP380A

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غلامرضا درویشی - آموزش الکترونیک

Published on May 27, 2023
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Easy repair of Power Green GP380A model. In Green Powers, the standby section often has problems because it is always on. The user never turns off the power of the device, so the standby part is always active. The optocoupler of this device was healthy, I replaced it as a precaution. Optocoupler testing cannot be done with a multimeter because connecting the bases to the parts will cause incorrect readings. Gradually and with experience, you can identify the values ​​in different boards. Circuit knowledge and experience are needed to repair all types of switching power supplies. To know the circuit, you can use the Power Computer course available on the website. Our website for preparing courses: https://www.elecma.ir Our training courses are: 1) Analysis of switching power sources based on circuit and schematic 2) Analysis of the electrical protection circuit board on the map and description of the working principles of the circuit 3 ) Analysis of computer power circuit. Complete analysis of 4 different maps with existing types of ICs 4) Construction of variable power supply with high and low current (with transistor fit) 5) Installation of flash player in the car broadcast in principle along with the construction of the signal circuit without change in the broadcast circuit 6) Examination and analysis of car battery charger circuit 7) Scientific and practical examination of welding inverter or welding machine 8) Car amplifier training course 9) 220 volt power inverter training course 10) Changing the switching power sources of our website for preparing courses https://www.elecma.ir

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