tv detron canel geser sendiri?

Discussion in 'Televisi' started by manyin, May 31, 2011.

  1. manyin

    manyin Member

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    buat agan agan master elektro mohon bantuanya. gan canel tv klw baru di on kan suka geser sendiri tapi klw dah lama on cenel ga geser. tuner udah ane ganti tp masih ga brubah. mohon gan kira2 apanya yg harus di ganti.
     
  2. Achin

    Achin Active Member

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    Cb gnt mikro swicth nya gan. . . .?
     
  3. noer service

    noer service New Member

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    cek tegangan 33v (TV) yang masuk ke tuner. biasanya ambil dari tegangan B+ 115v terus lewat resistor diturunin pakai dioda zener 33v. biasanya kerusakan bisa dari dioda zener itu sendiri atau nilai resistor yang berubah. tapi yang sering rusak dioda zener 33v (bentuknya biasanya kayak tr C1815 tapi pin cuma 2.
     
  4. ariesjava

    ariesjava Active Member

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    Cari satu kaki di tuner yg kl g' salah bertulisan VT. Telusuri jalurnya. Kl g' salah ingat lg nglewati 3 buah R ukuran 3,7k berakhir di transistor cxxx (lupa angkanya wkwkwk)
    ganti semuanya. Moga2 maknyus.
     
  5. udinsaleh78

    udinsaleh78 New Member

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    Jangan lupa solder ulang bagian output regulator , ganti elco2 yang kering, harus lebih teliti terhadap komponen yang kemungkinan nilainya berubah karena termakan usia....
     

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