Repair and Working Principle of IC LM 324-Based on Sensors IR & LDR Automatic Lighting Controller

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• ON-OFF Volume Control Found Broken In SONASHI USB-8 Band Radio-SRR89

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• Completed Another Basic Electronics Repair Level 1 Class

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• The Labour Pain Of Replacing Backlight In A Frameless LED TV – Make 1PLUS – 40FA100 

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• The Never Ending Thrill Of Repairing Radios

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• Completed Another MicroElectronics Repair Level 4 Class

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