Cara Membuang Muatan Listrik / Setrum di Elco Besar dan Flyback

Sering kali KliniKomputer mendapat pertanyaan demikian : Bagaimana caranya agar pas pada waktu service monitor ataupun TV tidak kesetrum padahal listrik PLN sudah tercabut, tapi kenapa ya kok masih kesetrum juga ...? Kali ini KliniKomputer akan jawab via posting blog langsung lewat posting yang berjudul Cara Membuang Muatan Listrik / Setrum di Elco Besar dan Flyback.

Ada beberapa komponen elektronik yang bisa menyimpan setrum / listrik :
  • Elco : semua elco bisa menyimpan listrik, semakin besar kapasitas elco (Farad) dan tegangan elco semakin besar pula daya simpan listriknya. Misal elco 200uF/400v : bisa menyimpan listrik sebesar 200-300v (sama dengan PLN) dan bisa membuat kita sangat shock.
  • Flyback : Tidak semua flyback bisa menyimpan setrum. Hanya flyback pada TV yang menyimpan setrum sedangkan flyback pada monitor tidak menyimpan setrum pada kop ANODA nya.
Cara Membuang Muatan Listrik / Setrum di Elco Besar :
  • Cara I :  Cara ini biasa dilakukan oleh banyak orang, yaitu dengan mengkonsletkan kedua kaki elco dengan obeng atau ujung solder. Cara ini sangat tidak di rekomendasikan, karena selain dapat membuat kita terkejut karena bunyinya juga dapat membuat solder rusak.
  • Cara II : dengan menggunakan lampu bolam 100W. Jangan lupa bolam di pasang dalam Fitingnya dan kasih kabel secukupnya. Cara membuang muatan  setrum elconya dengan menghubungkannya ke kedua kaki elco, bolak balik tidak masalah. Cara ini sangat aman. Lampu bolam akan nyala sebentar dan kemudian mati karena setrum di elco sudah habis. Cara ini biasa KliniKomputer lakukan.
  • Cara III : dengan menghubungkan kedua kaki elco dengan sebuah resistor 30 - 50 Kohm / 2 Watt. Jika memperbaiki power suply dengan problem gagal bekerja, maka biasanya resistor ini untuk sementara disolder langsung pada kaki-kaki  elco besar. Dan jika problem sudah OK, resistor baru dilepas. Cara ini KliniKomputer dapatkan dari Pak Guru Marsono (marsonotv.blogspot.com). Dengan menyolder resistor langsung di kedua kaki elconya,  pada waktu listrik PLN tercabut, maka secara otomatis setrum listrik di elco akan terbuang.
Cara Membuang Muatan Listrik / Setrum di Flyback TV :
  • Ambil satu kabel dari multitester.
  • Hubungkan ujung kabel satunya dengan ground TV.
  • Kemudian ujung satunya dimasukkan ke kop karet Anoda Flyback di bagian atas tabung. Hati-hati jangan sampai tangan anda menempel ke kop anoda flyback karena tegangannya sangat tinggi, sekitar 26 ribu volt. Akan terdengar loncatan bunga api listrik di dalam kop karet anoda flyback.
  • Ulangi beberapa kali sampai tidak terdengar loncatan bunga api listrik pertanda setrumnya sudah habis.
Demikian Cara Membuang Muatan Listrik / Setrum di Elco Besar dan Flyback.
Semoga bermanfaat.

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