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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 1,095 72.52%
no 425 28.15%
Multiple Choice Poll. Voters: 1510. You may not vote on this poll

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Old 07-04-2008, 08:34   #16 (permalink)
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oscilloscop is only best for those modelz if u have already configuration of wave length table for measuring for frequency at any point with out measuring table of any board dont think so its useful
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Old 07-04-2008, 09:18   #17 (permalink)
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nokia screwdriver is the best tool
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Old 07-04-2008, 09:44   #18 (permalink)
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depends - the freq the osciloscope can measure and if it is analogic or digital or if it has memory or not to save the readings. If u have a osciloscope that can measure 2 GHz frecvency then is good for GSM. lower frectvency rate osciloscopes doesen't helpo very much but is good for measure the TX and RX or the clock ... Spectrum analyser is a diferent tool there u can see not the form of the wave but the range and the amplitude and the armonics wich does help some time. But the best tool is brain and electronic knowledge and a vrey good multimeter. Of course a very good power supply also is good but we must not forget that the best is the hot or air infrared soldering reworking tool. But again depends on the fault that we must solve. If it is a software problem then the box and the software can make all the diferences. Best regards u all. alianu.
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Old 07-05-2008, 06:33   #19 (permalink)
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If For Nokia we still Have to use phoenix and test jig. I think it's not neccesary.

Just use HWK do selltest. It's also quite nice solutions.
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Old 07-05-2008, 06:48   #20 (permalink)
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in jaf also we can use selftest 60-80% accuracy in hardware fault finding. .
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Old 07-05-2008, 07:24   #21 (permalink)
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l think oscilloscope can see tx (pinout chines) and rx nead tx
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Old 07-05-2008, 07:37   #22 (permalink)
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oscilloscope is champion to repair
now l sometime repair so l dont use it
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Old 07-21-2008, 08:18   #23 (permalink)
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we use osciloccope,if our service repair shop is level 4
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Old 07-29-2008, 17:46   #24 (permalink)
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yes!!! if your repair center is level 3 or 4,,,,vey important to use the oscilloscope and gonogo test,,,spectrum analyzer,and also the zevac machine to remove the bga ic,,,,
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Old 07-29-2008, 17:48   #25 (permalink)
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the best tool is the anti---static tools,,,
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Old 07-30-2008, 06:02   #26 (permalink)
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it is better to use oscilloscope than to make error
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Old 08-08-2008, 14:04   #27 (permalink)
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i think.. SELFTEST + SCHEMATICS DIAGRAM + MULTITESTER more faster and better for finding fault. and absolutly cheaper..

OSC <= efective for development only.
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Old 08-09-2008, 09:28   #28 (permalink)
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Quote:
Originally Posted by ece_05 View Post
in jaf also we can use selftest 60-80% accuracy in hardware fault finding. .
how can we selftest? if set is dead
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Old 08-09-2008, 19:27   #29 (permalink)
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i have use osciloscope since 2004 and for me this tool is very important.. that make me work more focus and more easy to find the problem on the harware mobile fault
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Old 08-10-2008, 16:10   #30 (permalink)
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I have one.I use it only on dead phones to measure 32.678khz and 26 Mhz frequency.
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