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Go Back   GSM-Forum > GSM & CDMA Phones Hardware Repair Area > Hardware Equipments for GSM

Hardware Equipments for GSM All about Hardware Instruments and equipments like Soldering Stations, Hardware Tools, Oscilloscopes , Frequency Counters ..ext.

View Poll Results: we must have an oscilloscope to repair hardware
yes 1,117 72.39%
no 437 28.32%
Multiple Choice Poll. Voters: 1543. You may not vote on this poll

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Old 07-14-2010, 15:11   #166 (permalink)
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i think as a gsm engineer you dont need all that for repairs as your customer will not be able to pay for such services. the best thing is for you to understand the pcb and its functions and repair those faults your customers can pay for. other major faults can be sent for factory repairs. anything apart from these could lead to more damage.
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Old 07-15-2010, 03:51   #167 (permalink)
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OK GUYS.... I am an engeenier I use to Work for SONY AUSTRALIA for many years in the profesional deparment.........now I repair GSM HANDSETS........oscilloscope yes its a wanderfull tool

The problem here its that no many got it and ABSOLUTTLY USELESS IN GSM REPAIRS.

NOTE: I have 2 I have never needed then in a mobile phone repair......

Hell many people in this forum dont even know how to use a mulitimiter properlly LOL


Br
Alex
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Old 07-17-2010, 11:10   #168 (permalink)
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I agree...but not for all the faults.

I agree that the device is the best hardware tool for finding the faults in the mobile , however this can not find all the faults.

Videocon mobiles
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Old 07-18-2010, 01:11   #169 (permalink)
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Quote:
Originally Posted by alexlaboratory View Post
OK GUYS.... I am an engeenier I use to Work for SONY AUSTRALIA for many years in the profesional deparment.........now I repair GSM HANDSETS........oscilloscope yes its a wanderfull tool

The problem here its that no many got it and ABSOLUTTLY USELESS IN GSM REPAIRS.

NOTE: I have 2 I have never needed then in a mobile phone repair......

Hell many people in this forum dont even know how to use a mulitimiter properlly LOL


Br
Alex


heheheh u right bro...

i think many technician here can not use multitester correctly....

osciloscope just a tool.. i think its about our skill , about how we can understand schematic and measurement....


if we have skill on that... i think its will great if we use osciloscope...


i have training centre here in indonesia.. and i just teach my student use osciloscope for network problem


br



ichal_spy

www.borneoflasher-traininig.com
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Old 07-18-2010, 08:09   #170 (permalink)
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Quote:
Originally Posted by ichal_spy View Post
heheheh u right bro...

i think many technician here can not use multitester correctly....

osciloscope just a tool.. i think its about our skill , about how we can understand schematic and measurement....


if we have skill on that... i think its will great if we use osciloscope...


i have training centre here in indonesia.. and i just teach my student use osciloscope for network problem


br



ichal_spy

www.borneoflasher-traininig.com



I am glad that your school still use and teach how to use a CRO, indeed it is a very important tool.

But like you said SKILL is the TOOL we all need.
Many people here claim to be tech..............and many dont know how to read a schematic or know the meaning or what a transistor do.

I wish i could teach my skills, i wish you the best and keep teaching.


For everyone else changing an LCd or flashing a phone DOES NOT MAKE YOU A TECH......knloage and skill does
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Old 07-18-2010, 09:44   #171 (permalink)
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agree with u sir...

mobile phone techician, specially hardware technician.

we must expert about schematic and measurement, cause we make analisys be based our result of reading and measuring by tool...


@ Sir alexlaboratory

maybe we can share some solution or analisys here sir

http://forum.gsmhosting.com/vbb/f148...s-here-722531/

hope can make us as friend and can make us share each other to make us better



regards

ichal_spy
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Old 07-19-2010, 02:26   #172 (permalink)
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No worries mate I will................................thanks
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Old 07-19-2010, 18:59   #173 (permalink)
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hello m8s

see this film its about using oscilloscope to measure rx I/Q signals in nokia 6300 , video is taken in mobiles clinic service center in lebanon

YouTube - 19042010003.mp4

kind regards
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Old 07-21-2010, 08:12   #174 (permalink)
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creative webcam software free download - Software Search Result For webcam.for more information pls visit webcam Free Download
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Old 07-30-2010, 19:21   #175 (permalink)
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Multimeter is best tool i use in gsm enginering
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Old 08-15-2010, 19:45   #176 (permalink)
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Quote:
Originally Posted by gsm_3gn View Post
Multimeter is best tool i use in gsm enginering
for standard technician,...

osciloscope and frequensy counter to make us more details... more accurate...


br
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Old 08-18-2010, 11:21   #177 (permalink)
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Sir (ichal_spy) i am mobile phone hardware technician.......u have a big knowledge about
cell phone hard/software Sir i appreciate u........sir i need ur help about repairing
of cell phones .......witch kind of tools r better and cheap for hardware repairing???


hot station??
oscilloscope for gsm??

sir please send me some web links about these tools....
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Old 08-18-2010, 21:05   #178 (permalink)
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Quote:
Originally Posted by imran zafar View Post
Sir (ichal_spy) i am mobile phone hardware technician.......u have a big knowledge about
cell phone hard/software Sir i appreciate u........sir i need ur help about repairing
of cell phones .......witch kind of tools r better and cheap for hardware repairing???


hot station??
oscilloscope for gsm??

sir please send me some web links about these tools....
i think we just need standard tool sir....

for repair dead phone u must have frequency counter, power suply and avometer (multy tester)

osciloscope is need if we wanna repair signal problem accurately


br


ichal_spy
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Old 08-18-2010, 23:10   #179 (permalink)
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hello m8s

oscilloscope is the best tool for acurate measure of signals or even dc voltages & most used in baseband repair also can be used in
rf field to check rf clock , I/Q signals & rfbus signals from cpu to rf asic .

in mobiles phones it has no limit of use :

1- u can measure crystals activity ( frequency & output amplitude to be sure of exact needed output )
2- u can measure signals of busses between ics ( rfbus & cbus)
3- u can check i2c lines activity to check faults like camera faults
4- u can check signals where pull up resitances found so u can see signals & check pull up validity
5- u can check ram , flash & sleep clocks to solve freezing & restarting problems
6- u can check smps clock used to drive the light ics
7- u can check clock & data lines of mmc
8- u can check bluetooth , gps & wlan busses signals & clocks

& much more

so we can say that oscilloscope is an important tool to work poffesionaly in gsm handsets repair field

kind regards
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Old 08-19-2010, 06:32   #180 (permalink)
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please tel me witch kind of oscilloscope is cheap and batter
for gsm base band repairing and what kind of tool is batter
for rebelling of chips........? what is difference between a
normal hot station and IR hot station?
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