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 Kumpulan Koleksi Analisa Pribadi & Throubleshooting

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ipoey_funky


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Cendol 690

Post : 202
Join date : 2011-04-05
Lokasi : www.mobiletechspc.co.cc

PostSubject: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Mon 25 Apr - 11:48

Sekedar Berbagi, jika ada teman2 silahkan tambahin, thread ini sudah di sticky jadi gak usah disundul sgala...



7610 Bluetooth gx bisa operasi.
SwitchOn bluetooth, kembali lagi Off

Write PM n repair PMM --> Write n Remove sukses
Sama az..
Diganti IC Bluetooth, Repair PMM = OK --> masih error.!!! ..

Selftest --> error pd LPRF

Lihat Gambar :

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Tabel selftest sblm n ssdh...
Kemungkinan dr rangkaian frequency

Check tegangan kerja BT VIO n VFlash --> OK 1.8v n 2.8v
Check tegangan VR3 pd D191 --> OK 2.8v
Check output dr D191 sblm R193 --> 1.3v n ssdh 0.2v
Semua keliatan normal.!!!

Lanjut check Reset BT ke module Bluetooth --> tanpa reaksi
Clock sblm n ssdh C193 --> gx ada reaksi (garis datar)
Kesimpulan kerusakan dr UPP

Ganti UPP - Flash -> repair PMM
Ditest --> Makyosssss

B.R
Mobiletech



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ipoey_funky


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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Mon 25 Apr - 11:57


cek vcam gak ada tegangannya...
cek ic regulator kamera depan... kotor, jamuran, karaten kayaknya habis kena air....
coba angkat ic.. pcb gak ketolong kaki ic di pcb udah hilang duluan..

masalah :
butuh 2.8v untuk supply tegangan di vcam....

solusi :
ambilkan v dari vana 2.5v (walo v kurang tapi lebih aman..).....
mau ambil v dari vreg 2.8v takutnya ntar sinyal-nya terganggu....

hasil :
kamera depan bisa berfungsi.. walaupun tegangan kuran 0.3v

lihat gambar.....:



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herush




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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Tue 26 Apr - 14:01

ijin ngsave gan....
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ipoey_funky


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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Wed 27 Apr - 0:00

herush wrote:
ijin ngsave gan....

monggo gan ...



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herman wd




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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Wed 6 Jun - 10:09

anak baru,iziin ngesave,mazzbro..
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Meico nur cahyono




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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Sun 14 Dec - 17:07

Numpang nyedoot master.....
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caduk




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PostSubject: Re: Kumpulan Koleksi Analisa Pribadi & Throubleshooting   Wed 14 Jan - 21:18

ikutan nyimak bos,thanks infonya
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