solusi bb 9220 Davis matot tidak ada tegangan

Discussion in 'BlackBerry' started by tesi, Feb 10, 2014.

  1. tesi

    tesi Moderator Moderator

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    sudah banyak yang solved dengan berbagai trick dan done.
    untuk itu saya mau berbagi analisa dan solusi kerusakan BB 9220 mati total tidak ada tegangan

    tahapannya :
    1. masuk bb 9220, matot tidak ada tegangan...cek jalur vbatnya dulu, keluar 3.6V
    2. bongkar kaleng penutup ic power, cek tegangan VDig tidak ada
    cek semua tegangan kerja juga tidak ada, kecuali tegangan VCore 1.8V di C 1437
    3. lanjut ... cek tegangan VSys di C 1417 / C 1442 keluar hanya 0.30V
    semestinya tegangan di Vsys, mengikuti tegangan vbat 3.6V

    solusinya :
    Remove L 1406, bypass/jumper dari L 1406 (vSys) ke tegangan VbatF di L 1411, cek tegangan dengan PS langsung keluar tegangan
    0.08 - 0.11A, Red light hidup ... Done
    * untuk memastikan analisa, cek semua tegangan kerja keluar semua, kecuali tegangan VANT 2.7V di C 1498 melebihi standart (keluar 3.1V)


    semoga bermanfaat
     

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  2. gatot nabihan

    gatot nabihan New Member

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    mantab master.....:thumb:
     
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  3. ferdy_bae

    ferdy_bae New Member

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    di coba gan,,,
     
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  4. ikawa

    ikawa Active Member

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    mamtap mumpung ada pasien
     
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  5. darussalam3

    darussalam3 Well-Known Member

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    Kalo semua teg normal tp msh tetep matot, ada kah solusinya.. thnks.
     
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  6. zaki

    zaki New Member

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    mohon solusinya master setelah saya jumper dari L1406 ke L1411 cek dari PSU naik jadi 0.01A klo seperti itu solusinya gmn master ?
     
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  7. orangmanado

    orangmanado Active Member

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    up up up up up
     
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  8. zaki

    zaki New Member

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    up up up up
     
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  9. orangmanado

    orangmanado Active Member

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    ane udah lakukan trik di atas tapi masih nihil

    ada solusi lain gak para master?
     
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  10. MEGATEHNIK

    MEGATEHNIK New Member

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    makasih guru ijin koleksi
     
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  11. rio ganara

    rio ganara Moderator Moderator

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    biasanya jika L1406 di bypas ke L1411 .. amper menjadi 0,07A ...

    coba lepas bypasnya, colok USB/ charger lalu ukur tegangan kerja Ic Powernya .... keluar emua ndak
     
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  12. zaki

    zaki New Member

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    itu yang saya bingung cara mengukurnya gmna ya master ? jarum avonya di arahkan kemana ya ?
     
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  13. orangmanado

    orangmanado Active Member

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    jarum AVO yg " - " ke ground, kalo yg " + " ke komponen yg mau di ukur, skala atur di DCv x10

    mohon maaf koreksi kalo salah, tambahin kalo kurang :rock:
     
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  14. orangmanado

    orangmanado Active Member

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    ane udah lakukan trik di atas tapi nihil mastah (teg yg keluar hanya Vbat dan VSYS)
    ada trik lain gak :peace:
     
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  15. muslim

    muslim New Member

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    v sys ga keluar berarti ic power nya mati ya,,makanya langsung di jumper dari v batt vsys nya,, koreksi bila salah ,, terimakasih ilmu nya
     
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  16. tesi

    tesi Moderator Moderator

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    kalo vbat dan vsys uda ada tegangan...semestinya power mampu meracik tegangan tersebut untuk dapat mengeluarkan "tegangan outputnya " (vdig,vrtc, vsm3, vant dll) ...sebelum ganti power coba L1409 nya diganti...kalo blm keluar juga, ...ganti cek tegangan dari conector usb, cek tegangan vbusnya dan tegangan yg lain ... semoga membantu
     
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  17. orangmanado

    orangmanado Active Member

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    kalo cek teg dari usb malah teg nya menurun (gak normal) master, ane udah ganti L1409

    mohon solusinya master :pray:
     
  18. ekz

    ekz New Member

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    sundul ya gan punya kasus sama belum nemu solusi nya juga:cry:
     
  19. shobikh

    shobikh New Member

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    maap gan kasus ini bisa kita pake di bb seri 9900 dakota ga gan, sebab ane ada masuk dengan kondisi sama seperti yg agan ceritakan di atas, mohon prtunjuk nya terima kasih gan
     
  20. q ingin sukses

    q ingin sukses New Member

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    tetep gan..................................................................................................
     

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