역전압으로 고장난 DPS5020 수리
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23:10
전원무 증상의 RD6018 수리
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29:32
전자수리기술 오실로스코프사용법으로 전자회로수리 PWM파형분석으로 SMPS수리기술을 PCB수리
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11:26
Chinese Lab Power Supply Repair/Long Wei PS-3010DF
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16:09
A bateria velha fica como nova após 1 minuto! Maneira rápida de restaurar bateria velha!
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25:50
고장난 전동 물걸래 청소기 배터리 팩 살려서 사용하기
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40:03
smps점검요령
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29:18
WZ6012 수리 성공이냐 실패냐
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15:48