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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 02-10-2010, 05:24   #151 (permalink)
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scope


only used for finding broken prints or for jumpering on pcp
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Old 03-14-2010, 10:02   #152 (permalink)
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Question

Quote:
Originally Posted by ichal_spy View Post
just read nokia service manual level 3

u can get some info there


tq
hi sir i need you help me you wright her ust read nokia service manual level 3 u can get some info there my qus is wher i find out the service manual level 3 sir if you have then upload pls sir
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Old 03-15-2010, 09:05   #153 (permalink)
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is there no professional to make conclusion on this topic so as to gueid us on this topic.
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Old 03-15-2010, 19:15   #154 (permalink)
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Talking fault finder

Hi,

Any Basics , have u got ?.

Br
HASSAN

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Originally Posted by ibrajinja View Post
is there no professional to make conclusion on this topic so as to gueid us on this topic.
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Old 03-23-2010, 07:52   #155 (permalink)
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guys ..
i am new in this streem...
doing some 6 month collage project work in telecom (based on GSM) company...
i know basics of GSM network elements... interfaces.. and call process and hoppings.. blahh...
now i want know about mobile hardware.. i am a electronic and instrumentation engineer .... can someone help me with their basics..and i have a nokia 3110c (lol) mobile with me...
thankyou
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Old 03-23-2010, 16:38   #156 (permalink)
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whats wrong with your 3110C

Quote:
Originally Posted by asokraju View Post
guys ..
i am new in this streem...
doing some 6 month collage project work in telecom (based on GSM) company...
i know basics of GSM network elements... interfaces.. and call process and hoppings.. blahh...
now i want know about mobile hardware.. i am a electronic and instrumentation engineer .... can someone help me with their basics..and i have a nokia 3110c (lol) mobile with me...
thankyou
through this forum it can be easy to assist someone with specific problem not general knowledge about phone we normally share experience of problem solving e.t.c
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Old 04-07-2010, 06:43   #157 (permalink)
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digitel multi meater supply
frequency mearer
and aynalog multi meater
this Equipments are all the problim diefaine to your gsm setes
but the oscilloscope is very expencive tool
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Old 04-08-2010, 08:08   #158 (permalink)
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Thumbs up osciloscope

The use of the osciloscope device is to measure the signals or frequency( cycle per seconds).

For that first we should know the points on pcb where we can put the probe of scope. ( for example. Input of audio ic is digital and output should be analog in the matter of rx simillarly in tx input should be analog and output should be digital so the parts where the input is coming, and where the output is coming from ic that location should be know well).

Secondly we should know the normal waveforms at that particular points.

So better to use multimeter and ohms concept in it.

As per my knowledge 900mhz / 1800mhz means its very high range. So the scope will also expensive.
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Old 04-30-2010, 15:21   #159 (permalink)
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i use this and 100% of my brain i don't need oscilloscopes and result is 98% repaired phones
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Old 05-18-2010, 21:53   #160 (permalink)
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These two are the best , u can use them, if u use ur brain too , else u can't even with osciloscope and special mesuring tools .
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Old 05-18-2010, 22:26   #161 (permalink)
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Thumbs up

Quote:
Originally Posted by pkghosh1 View Post
which is the best Hardware Equipments to masure short bord or dead set or
bb5 handset problem?can we must have an oscilloscope for best repair?


scilloscope measures the frequencies emerging from PCP, such as

1- sleepclock oscillator
2- RF CLK
3- Network Frequency


This is the device of the best Alohzh in these measurements and less expensive for the rest of the bodies responsible. There are types of measuring up to 4 GB.

Be careful. The device has nothing to do shorts measuring device
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Old 06-11-2010, 00:23   #162 (permalink)
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Good trouble shooting required ever oscilloscope, frequency counter, AVO meter, schematic diagrams. Then there no any fault can hidden.
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Old 06-11-2010, 00:27   #163 (permalink)
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If you do not have oscilloscope you can not watch any oscillations in mobiles, then you don't know about pulses in cells.
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Old 07-12-2010, 02:25   #164 (permalink)
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Oscilscope is the best Equipment used Specially in Repairing TV and Now Leader Oscilloscope is also best in Mobile Phones...
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Old 07-12-2010, 02:28   #165 (permalink)
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Quote:
Originally Posted by trenac View Post
i use this and 100% of my brain i don't need oscilloscopes and result is 98% repaired phones

Your Tester is FAKE..SUNWA..made in China,,I'll use SANWA Made in Jpan..YX-360TRF Model..and Your Digital Multi tester is not also good..if you use Fluke Brand and then I'll agree.... you'll have a good Equipment..hehehehe


no regards
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