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Share Pengalaman Analisa Signal BB5 n Solusi

Discussion on Share Pengalaman Analisa Signal BB5 n Solusi within the BB5 forums, part of the Nokia category; Ciri2 kerusakan RX (receiver): Search manual, tidak mendapatkan sembarang provider Search manual, hny dapat 1 or bbrp provider (lemah) Search ...


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Old 25th June 2008, 00:21   #1
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Thumbs up Share Pengalaman Analisa Signal BB5 n Solusi

Ciri2 kerusakan RX (receiver):
Search manual, tidak mendapatkan sembarang provider
Search manual, hny dapat 1 or bbrp provider (lemah)
Search manual, kadang dapat n gx

Ciri2 kerusakan TX (transmiter):
Search Manual dapat semua provider, no access ke Base Station
Dapat semua provider n bisa access, gx bisa make call
Access Ok, sering dpt pesan "Connection Error" waktu telp




Di sini, Gw pke N70 xg benar mulus (garansi resmi) sbg patokan (refenrensi) dlm proses analisa problem RX ..
Dianggap HP referensi ne OK dlm penerimaan signal ditempat, dg bar signal Telkomsel 100% Full, Indosat 90%, n XL 40%
HP gx dlm keadaan short baik sblm switch, standby maupun wkt transmite
Tanpa MMC n Applikasi
Disearch Manual dapat semua provider dlm wkt >20detik
Kadang2 >15detik

Signal diakses dg dicoba make call, radiasi ditangkap dg baik (Full) oleh PSU sbg media test dg jarak 50cm.
Jarak terjauh xg tercapai tester -+ 1meter

.. .. Lanjut..



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Old 25th June 2008, 00:25   #2
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Thumbs up Sebagian di problem RX

Disini, Gw berusaha share pengalaman ap az xg mungkin rusak dg hasil test n analisa, dg menggunakan peralatan seada'y ..
Dg media PSU sbg pembaca arus
Dg Media MultiDigital sbg pengukur nilai pd titik testpoint

No Network Search dlm wkt xg sgt singkat (hitungan detik)
Paling sering ketemu rusak pd RXVCO, tdk menghasilkan gelombang SHF ke RF-RX guna mixing Band GSM.

No Network Search dg wkt >5detik tanpa gerakan arus
Kerusakan pd RF-RX, tidak dapat mengolah signal data (informasi) n carrier (pembawa)
Kedua, bisa dr RAP xg tidak bs menginstruksikan kerja kpd RF-RX
Utk RAP, bs coba digoyangi sedikit n test kembali.. biasa'y bs langsung OK or paling gx kan ad pegerakan arus xg sedikit lemah, petanda RAP sdh layak diganti ..

No Network Search waktu lumayan lama, mungkin >1menit dg gerak getar arus lemah berulang kali.
Gx dicatat brp x he3..
Kemungkinan rusak pd RF-RX, RAP n RETU
Utk memperkecil lagi lingkup analisa, bs mggunakan Multi testpoint ke titik J RXIQ antara RF-RX n RAP.
Biasa'y salah 1 xg rusak, kan terukur nilai xg selisih byk antara I n Q.
Xg termasuk selisih byk diatas 0.005
Bahkan pernah ketemu beda diatas 0.100 pd N70, putus jalur pd layer upper ke HINKU.

No Network Search <1menit dg gerak arus kadang lemah n kadang sedikit lbh cepat (gx teratur)
Bisa dicoba di AntSwitch dulu, RF-RX n rangkaian RXVCO
Dirangkaian RXVCO, paling sering didapati kerusakan pd C 2n2 xg gampang bocor terutama bekas kemasukan air.
Gx menutup kemungkinan dr RAP juga.

No Network Search wkt xg sama dg xg terakhir diatas.
Tambahan ciri2 laen, diset ke AutoNetwork n dibiarin standby.. arus tetap gerak pelan dg tempo gerak xg teratur.
Kemungkinan besar problem di Softw.
Bisa dicoba dg calibrasi signal online (SX4 PM)

Low Signal termasuk dlm golongan problem RX
Ciri2 umum'y Bar Signal gx stabil n kadang hilang sama sx.

Manual Search, hny dpt provider xg terkuat jaringan setempat.
Waktu Search juga lama, dg gerakan arus gx stabil.
Kadang2 disearch ulang, tidak mendapatkan sama sx..
Kerusakan ini biasa'y dr AntSwitch sbg system duplexer tidak berfungsi dg lancar (macet)
or control duplexer dr RF-RX
Rangkaian penguat LNA xg tidak bekerja sempurna (cacat) dlm IC RF-RX
Bisa juga dr rangkaian RXVCO xg gx stabil.


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Old 25th June 2008, 00:34   #3
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Thumbs up Sebagian dr TX Problem

Kerusakan Signal bagian TX sulit sx dilihat dr pegerakan arus PSU.
Utk mendapatkan analisa xg lbh detail, harus menggunakan Osc n Spectrum
Disini, Gw share sebagian kecil dg ciri2 umum n alat sederhana az.., MutiDigital n Radiasi Tester
n sedikit tebak2n .. ..


No Access, dg ciri Bar Signal muncul sebentar n hilang.
Kebanyakan biang dr PA n RETU
Kadang2 bisa dr RF-TX
Scr teori (schematis) component PADC-DC N7504 sbg penyuplai tegangan PA, jika rusak juga kan menyebabkan kerusakan TX.
Umum'y kerusakan No Access , radiasi tdk terdetect oleh tester.
Bbrp kasus, radiasi sempat terdetect sedikit (lemah) dg jarak >10cm pd awal HP dihidupkan.
Sering kedapatan rusak pd rangkaian TXVCO ..

No Access, dg ciri tanpa tanda Bar Signal n tdk terdetect sama sx radiasi oleh tester.
Umum'y dr RF-TX, TXVCO, RETU n RAP
Cara testpoint dg Multi bisa dilakukan pd J TXIQ (antara RAP n RF-TX) dg melihat selisih nilai ukur spt pd problem Signal RX.

Access OK, Bar Signal Normal, tapi gx bisa melakukan panggilan "Connection Error"
Paling sering didapati kerusakan pd rangkaian TXVCO, terutama C2n2 n rangkaian PA.
Ciri2 umum problem ini, biasa'y radiasi normal pd menit2 pertama HP dihidupkan az..
Bisa make call dlm menit2 dimana radiasi masih bisa keluar (terdetect)
Tergantung tingkat kerusakan component, bisa 1,2, or 10menit pertama.
SMS bisa keluar n masuk


Access OK, Bar Signal gx stabil
Radiasi terdetect naik turun (spt irama) dlm keadaan standby.
Dimana Normal, seharus'y radiasi muncul saat PA bekerja
Sulit melakukan panggilan dg Bar Signal dibawah 50%
Batterai cepai habis (boros)
Kerusakan control PA dr RF rusak ..


Access OK, Bar Signal Normal, radiasi n pangilan keluar mulus.
Tapi sering sulit dihubungi oleh pesawat lain, dg pesan diluar jangkauan.

Mungkin kasus ini jarang sx ditemukan.. langka
Gw hny dapat 1x.
Kerusakan pd PA
Ciri2'y disaat call dr HP laen (jauh dr jangkauan radiasi tester), HP penerima sempat terdetect radiasi full bbrp detik lalu kembali ke 0.
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Old 25th June 2008, 00:39   #4
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Smile Salam 2 All

Gw gx berani bilang xg rusak pasti (mutlak) dr IC2 xg ad dlm lingkup analisa.
Hrs diperhatikan faktor2 pendukung ke IC2 xg diduga juga spt:
Tegangan kerja utk component aktif tsb, bisa az gx ad or kurang.
Tegangan kerja Signal, rata2 mempunyai sifat gx dinamis. Lbh akurat dicheck dg Osc.
Hambatan pd tahanan or muatan pd capasistor xg bocor.
Keutuhan jalur pd rangkaian.


Ne hny sekilas share
Dg Thread ne, diharapkan bisa sedikit byk'y membantu teman2 dlm menebak n analisa kerusakan.
Sorry.. klo gx pinter susun kata.!!! ..

Bagi teman2 xg punya pengalaman analisa baik dg media xg sama o xg laen,
silahkan ikut dishare ya..

Thanxs.!!! ..


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Old 25th June 2008, 01:39   #5
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

lha kalo freq.. tx-nya geser... ato ada split-an freq... dari tx-in sebelum PA... ato bagian pll-nya yang rusak.... gimana......??? ampun deh....
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Old 25th June 2008, 01:51   #6
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Smile Re: Share Pengalaman Analisa Signal BB5 n Solusi

Maksud'y Frekwensi TX geser bgm ya.???
System PLL ya..
Tergantung proses PLL di bagian pemancar o penerima .. Rusak bagian mana, ganti RF xg itu ..
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Old 25th June 2008, 02:42   #7
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

Muantaaab BOS.....
Terlengkap dari yang lengkap untuk saat ini...........
Saluuut...... untuk Om MOMOD Kita.....:thumb :

Lain Waktu....bisa dong Buat Thread yang ngebahas analisa kerusakan HP lewat SELFTEST....
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Old 5th July 2008, 13:50   #8
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

makasih bos sangat berguna nich.....
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Old 9th September 2008, 14:03   #9
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

Luar biasa n dahsyat....
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Old 12th September 2008, 00:28   #10
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

terima kasih bos...
nambah ilmu buat saya yg baru pemula.
jd g sembarangan main ganti komponen,malah klo salah jd tambah rusak...
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Old 16th September 2008, 04:55   #11
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

thanks boss sangat m'bantu saya dlm menganalisa kerusakan..
lanjut ya boss
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Old 19th November 2008, 23:58   #12
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

TERLENGKAP DRI SBELUMnya,dari sekian forum cm DJAWIR paling TOP.Thanks banyak bos MOMOD.....?!!
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Old 22nd November 2008, 17:39   #13
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

yup! paling lengkap bos momod djawir
benar-benar sangat membantu saya yg gak ada osiloskop
lain sekali dengan forum-forum lain yg hny copas

saya ada 5300 ada sinyal tapi tidak bisa lakukan panggilan bgm ya?
radiasi lemah, bos
sudah diganti pa cabutan
jika dengan pa baru, hilang sinyalnya

bgm caranya cek?
5300 gak ada txvco

mohon pencerahannya, bos

lokasinya di mana, bos?
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Old 22nd November 2008, 23:27   #14
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

Coba diganti RETU, boss.!!!
Brgx VRCP ke RF (pendukung Transmite) gx bagus lagi. ..
Bisa kurang tegangan or gx ada sama sx


Catatan:
Gx semua kasus signal abnormal selalu tertuju pd IC system radio (RF)
Perlu diperhatikan tegangan2 pendukung area kerusakan xg diprediksi, spt referensi, control n clock.



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Blah.. Blah.. Blah.. Awal 2009 xg pusingggggggggggggggg....
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Old 24th November 2008, 16:19   #15
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

akhirnya ganti retu copotan, berhasil

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Old 26th November 2008, 10:33   #16
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

iyaaa.... mas ORION kok pinter banget yaaah,siiip deeh & toppp pokoknya untk mas ORION.. ..
trimakasih...
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Old 26th November 2008, 16:31   #17
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

bos gue juga punya masalah dengan hp 6680 serching manual dapat semua provider kadang juga dapat satu aja ,tanpa kartu alias modus afline signal pull,dengan tanda silang,kira kira apanya bos sobware apa hadware,tolong penjelasanya nih,kalo sobware apanya ,dan kalo hardware juga apanya yang rusak
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Old 27th November 2008, 01:04   #18
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

Coba ganti antena swicth bos, jangan kemana2 dulu. Beberapa kali tested. Nanti malah komplikasi.
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Old 30th November 2008, 04:39   #19
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

Quote:
Originally Posted by sekumpul View Post
bos gue juga punya masalah dengan hp 6680 serching manual dapat semua provider kadang juga dapat satu aja ,tanpa kartu alias modus afline signal pull,dengan tanda silang,kira kira apanya bos sobware apa hadware,tolong penjelasanya nih,kalo sobware apanya ,dan kalo hardware juga apanya yang rusak
jika tanpa kartu pasti disilang dong, bos namanya ofline
banyakan rusak sinyal di hardware
coba ganti c2n2 dulu, hinku atau antena swit
liat juga arus di power seperti contoh bahasan dari master
6680 juga pakai dua ic rf seperti n70

master orion! ajarin juga analisa dengan osilokop dong
rencana mau beli juga
ada yang murah? bekas bos juga boleh

salam, bos
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Old 2nd December 2008, 01:34   #20
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Default Re: Share Pengalaman Analisa Signal BB5 n Solusi

wah infonya sangat berguna bos orion, thx yach.
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