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Old 22nd May 2008   #11 (permalink)
co_ols
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mohon petunjuk dan bantuan untuk pengukuran 2626.

kondisi susah idup dan tdk bisa di info dgn ufs, sempat hidup sekali dg lampu
mati dan speaker bisu, datang dalam keadaan mati karna terbanting.

setelah di on, arus ps DC berdetak naik turun di 10mA dan 20mA.
ini hasil pengukuran:
Active= 1.8V, hasil -> ada
PURX = 1.8v, hasil -> ada
VIO = 1.8V, hasil -> ada
VANA = 2.8v, hasil -> ada
VFLASH= 2.8v, hasil -> ada
VR2 = 2.8v, hasil -> ada
VR1 = 2.8v, hasil -> tdk ada
VR3 = 2.8v, hasil -> tdk ada
VR4 = 2.8v, hasil -> tdk ada
VR5 = 2.8v, hasil -> tdk ada

apa fungsi dari VR ? komponen apa yg berhubungan dengannya?
VR1, VR3, VR4,dan VR5 semuanya 0, apa ini yg menyebabkan ponsel tidak bisa
hidup?
langkah2 apalagi yg perlu saya lakukan?
thx
mana nih, koq pada gak ada yg respons???!!!
masternya juga pada cuek aja!.... capek dehhh..........
payah deh kirain nih forum rame, gak taunya sepi bete dehhh........

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Old 25th May 2008   #12 (permalink)
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thanks banget boss buat masukannya...
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Old 26th May 2008   #13 (permalink)
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Originally Posted by co_ols View Post
mohon petunjuk dan bantuan untuk pengukuran 2626.

kondisi susah idup dan tdk bisa di info dgn ufs, sempat hidup sekali dg lampu
mati dan speaker bisu, datang dalam keadaan mati karna terbanting.

setelah di on, arus ps DC berdetak naik turun di 10mA dan 20mA.
ini hasil pengukuran:
Active= 1.8V, hasil -> ada
PURX = 1.8v, hasil -> ada
VIO = 1.8V, hasil -> ada
VANA = 2.8v, hasil -> ada
VFLASH= 2.8v, hasil -> ada
VR2 = 2.8v, hasil -> ada
VR1 = 2.8v, hasil -> tdk ada
VR3 = 2.8v, hasil -> tdk ada
VR4 = 2.8v, hasil -> tdk ada
VR5 = 2.8v, hasil -> tdk ada


apa fungsi dari VR ? komponen apa yg berhubungan dengannya?
VR1, VR3, VR4,dan VR5 semuanya 0, apa ini yg menyebabkan ponsel tidak bisa
hidup?
langkah2 apalagi yg perlu saya lakukan?
thx
wiksssbagian rf. tegangan tuk suply rfgimana 2626 ye
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Old 26th May 2008   #14 (permalink)
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Originally Posted by co_ols View Post
mohon petunjuk dan bantuan untuk pengukuran 2626.

kondisi susah idup dan tdk bisa di info dgn ufs, sempat hidup sekali dg lampu
mati dan speaker bisu, datang dalam keadaan mati karna terbanting.

setelah di on, arus ps DC berdetak naik turun di 10mA dan 20mA.
ini hasil pengukuran:
Active= 1.8V, hasil -> ada
PURX = 1.8v, hasil -> ada
VIO = 1.8V, hasil -> ada
VANA = 2.8v, hasil -> ada
VFLASH= 2.8v, hasil -> ada
VR2 = 2.8v, hasil -> ada
VR1 = 2.8v, hasil -> tdk ada
VR3 = 2.8v, hasil -> tdk ada
VR4 = 2.8v, hasil -> tdk ada
VR5 = 2.8v, hasil -> tdk ada


apa fungsi dari VR ? komponen apa yg berhubungan dengannya?
VR1, VR3, VR4,dan VR5 semuanya 0, apa ini yg menyebabkan ponsel tidak bisa
hidup?
langkah2 apalagi yg perlu saya lakukan?
thx
Jawaban ini sdh dijawab minggu lalu koq hilang ya...
Baik diulang lagi ya:

VR singkatan Voltage Radio adalah tegangan yg dibutuhkan untuk Bagian Radio, akan menyebabkan kerusakan pada bagian signal jika ada tegangan yg terganggu, dan tdk menyebabkan masalah matot, kecuali VR3 dpt menyebabkan matot.

Teg. Utk Bagian Base Band (Dpt Menyebabkan HP Matot)
PURX = Power Up Reset, tegangan Awal startup dari IC Power utk CPU.
VIO = 1.8V, hasil -> Tegangan Input Output Data, adalah tegangan utk komponen keluar masuk data spt IC Flash, LCD, CPU, dll..
VANA = 2.8v, --> Tegangan Analog Audio, teg utk IC Audio (UEM)
VFLASH= 2.8v, --> Tegangan utk IC Flash

Teg. Utk Bagian Radio (Tdk menyebabkan HP Matot, kecuali VR3/VXO)

VR1 = 2.8v --> tegangan Utk IC RF
VR2 = 2.8v --> Tegangan utk Bagian Transmitter
VR3 = 2.8v --> Tegangan utk IC Crystal 26 Mhz. (HP matot jika VR3 tdk keluar)
VR4 = 2.8v --> Teg. Utk IC RF
VR5 = 2.8v --> Teg utk IC RF
VR6 = 2,8V --> Teg. utk IC RF
VR8 = 2,8 V --> Teg. utk VCO.
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Old 26th May 2008   #15 (permalink)
Hibrida GSM
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Makasih Bang Harta. Info yang amat berguna for newbie.

Cuma yang saya masih agak ragu, berapa sih toleransi tegangan sebuah komponen sehingga kita bisa tarik kesimpulan kalo komponen tersebut dinyatakan rusak?

Misal, kalo VIO yang harusnya 1.8v. Berapa toleransi kurang atau lebihnya....
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Old 26th May 2008   #16 (permalink)
Hawkins
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ya misal teg. 2,8V, prakteknya pengukuran bisa 2,76 Volt..

toleransinya 5% dech..
Gak boleh kurang terlalu banyak..

Kalo VCore bisa berubah2 tergantung kondisi Modenya..
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Old 26th May 2008   #17 (permalink)
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walah, keapus yah.... koq bisa??? ada hantu...
makasih infonya cuman sayang kelamaan, udah lebih dari seminggu yg punya kagak sabaran dari pada pusing di gerutuin yg punya di cancel aja tuh hp.

makasih infonya sungguh berguna.

mo nanya 1 lagi nih,
VR3 ga ada tegangan brarti hp matot, kalo ada brarti bisa nyala
boleh gak kalo teg VR3 diambil/paralel (jumper) dari VR2 ? resiko/efek samping nya apa ?

thx
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Old 27th May 2008   #18 (permalink)
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Originally Posted by Hawkins View Post
ya misal teg. 2,8V, prakteknya pengukuran bisa 2,76 Volt..

toleransinya 5% dech..
Gak boleh kurang terlalu banyak..

Kalo VCore bisa berubah2 tergantung kondisi Modenya..
setuju dgn om hawkins luar biasa petunjuknya btw om hawkins tlg dung jelasin konstruksi kerja dari ic lfash buat kita2 yg new bie mulai dari tegangan kerja & input output data & kalo boleh gimana cara mengetahui type & besar kecil bitnya? kalo bisa rumus hexnya dung. pleaseeeee. thank`s banyak lo om hawkins salam buat si kecilnya om harta. tambah keren aje kayak papanya
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Old 1st June 2008   #19 (permalink)
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Originally Posted by Hawkins View Post
Jawaban ini sdh dijawab minggu lalu koq hilang ya...
Baik diulang lagi ya:

VR singkatan Voltage Radio adalah tegangan yg dibutuhkan untuk Bagian Radio, akan menyebabkan kerusakan pada bagian signal jika ada tegangan yg terganggu, dan tdk menyebabkan masalah matot, kecuali VR3 dpt menyebabkan matot.

Teg. Utk Bagian Base Band (Dpt Menyebabkan HP Matot)
PURX = Power Up Reset, tegangan Awal startup dari IC Power utk CPU.
VIO = 1.8V, hasil -> Tegangan Input Output Data, adalah tegangan utk komponen keluar masuk data spt IC Flash, LCD, CPU, dll..
VANA = 2.8v, --> Tegangan Analog Audio, teg utk IC Audio (UEM)
VFLASH= 2.8v, --> Tegangan utk IC Flash

Teg. Utk Bagian Radio (Tdk menyebabkan HP Matot, kecuali VR3/VXO)

VR1 = 2.8v --> tegangan Utk IC RF
VR2 = 2.8v --> Tegangan utk Bagian Transmitter
VR3 = 2.8v --> Tegangan utk IC Crystal 26 Mhz. (HP matot jika VR3 tdk keluar)
VR4 = 2.8v --> Teg. Utk IC RF
VR5 = 2.8v --> Teg utk IC RF
VR6 = 2,8V --> Teg. utk IC RF
VR8 = 2,8 V --> Teg. utk VCO.
Ini baru namanya kursus Online gratis....
Terima Kasih Banyak Buat Bos HAWKINS dan FH...
Lamaaaaa saya browsing untuk cari yang seperti diatas...

Salam kenal Untuk BOS HAWKINS...BOS HARTA...BOS A2000...BOS Zulea.

BR,

HUGOSERVICE
Pontianak.
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Old 1st June 2008   #20 (permalink)
zhu_ludz
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Default ic keypad 6510

bos minta bantuan donx tentang ic keypad
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