Help 9900 Masalah Mic Transmit

Discussion in 'BlackBerry' started by denysamudra, Sep 7, 2013.

  1. denysamudra

    denysamudra Active Member

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    Mohon bantuan nya master2 Djawir, saya dpt kasus bb 9900 mic transmit putus2 kadang hilang.. Yg sudh dikerjakan ganti mic, bypass L1503 dan L1504 tp blum ada prubahan jg..:frusty:
    Mohon pencerahannya master2 skian????
     
  2. rio ganara

    rio ganara Moderator Moderator

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    bagaimana dengan U1501 nya boss ...

    sebagai suply tegangan mic biasnya .... , coba juga ganti L1501 dan L1502 ... L ini berfungsi sebagai konduktor, penguat frekuensi tegangan ..
     
  3. denysamudra

    denysamudra Active Member

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    Blum saya coba ganti boss L1501 dan L1502..
    Jika u1501 apakah bs dijumper boss??? Krn sya nggak ada bahan utk menggantinya..
     
  4. rio ganara

    rio ganara Moderator Moderator

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    sepertiny bisa ..

    dicoba saja boss
     
  5. denysamudra

    denysamudra Active Member

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    Maaf boss bs ksih gambar ndak utk cara jumper nya??? Tkut salah jumper...
     
  6. rio ganara

    rio ganara Moderator Moderator

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    sebelum di jumper, coba ukur tegangan kerja U1501 ya ..

    cek tegangan di C1511 ( Vsys ) dan C1512 Mic_bias

    jumpernya dari C1511 ke C1512 .. perhatikan ground nya
     
  7. denysamudra

    denysamudra Active Member

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    Siap big boss..
    Bsok hasilnya sya posting kembali...
     
    rio ganara likes this.
  8. denysamudra

    denysamudra Active Member

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    Maaf boss Rio, sudah sya jumper mic msih blum normal.. Saya coba ganti U1501 hasilnya mc normal tp setelah 10-15meit saat dicoba lg mic kembali putus2 kadang hilang..
    Mohon bantuan dong para master2 Djawir???????
     
  9. rio ganara

    rio ganara Moderator Moderator

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    coba ganti kapasitor C1511 dan C1512 dengan minimal nilai yang sama boss

    takutnya kapasitor tersebut sudah DROP, tidak kuat menampung tegangan kerja Mic Biasnya
     
  10. denysamudra

    denysamudra Active Member

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    Sudah saya lakukan penggantian C1511 & C1512 dgn nilai yg sama, tp tetap kambuh dlm wktu 10-15menit boss rio...
    Ini saya menggunakan mic universal bukan mic tanam boss.. Apakh hrus menggunakan mic tanam ya? Kmrn sempat sya gunakan mic tanam tp suara mlh ndak karuan..
     
  11. rio ganara

    rio ganara Moderator Moderator

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    pakai mic universal saja boss bisa kok ..

    coba kapasitor di jalur Mic di ganti semua ..
     
  12. denysamudra

    denysamudra Active Member

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    Ok boss Rio, bsok saya coba ganti kapasitor jalur mic nya..
     

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