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pin protect tv konka pke ic micon Ks88P8432N,ic chroma TDA8361

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Data pin protect tv konka pke ic micon Ks88P8432N,ic chroma TDA8361 :

  • VD411 Heater
  • VD412 ABL
  • V404 A1015
  • V505 C1815

akan protect jika :

  • Elco C412 4.7uf/50V kering/turun kapasitas
  • transistor V405C1815 short
  • Zener VD411&VD412 short
  • output protect ada dikaki colector transistor V404 A1015 normal terukur 13.12V
  • tegangan dikaki elco C412 terukur normal 18.95V
  • tegangan dikaki anoda VD412 terukur normal 0.6V
  • tegangan dikaki ABL flyback -15.65V
  • out dari transistor protect V404 A1015 terhubung kekaki basis transistor V605 A1015 lewat VD606 IN4148,kekaki colector lewat R649 1K5
  • tegangan normal dikaki colector V605 A1015 0 volt

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