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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 11-06-2010, 18:47   #1 (permalink)
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how to check theese.........expert opinion pls


how to check these part in dct4 via multi meeter


Vio = 1.8v (come from UEM to CPU)
Vana = 2.8v (come from UEM to UEM)
Vcore = 1.4v (come from UEM to CPU)
Vr3 = 2.8 v (come from UEM to RF Ic or Oscilator 26Mhz)
Purx = 1.8v (come from UEM to CPU)
Sleepx = 1.8v (come from CPU to UEM)
Sleep Clock = 32.768khz (Come from oscilator 32.768 to UEM to CPU)
Rf Clock = 26Mhz (Come from oscilator 26Mhz to RF Ic to CPU)

and also how check battery terminal short or not using multi tester and which ohms show correct and which not,,,,,,,,,,,,,,

expert give the video demo if not pls make a video tutoriol how i check theese part in dct 4 i realy need it
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Old 11-07-2010, 03:42   #2 (permalink)
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no body can get help
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Old 11-07-2010, 03:57   #3 (permalink)
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buy an oscilloscope nd a frequency counter. google it for multimeter refs..

regards..
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Old 11-07-2010, 05:54   #4 (permalink)
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I thing we need schematics for this and we follow the circuits to measure it.

regard

gopal909
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Old 11-07-2010, 06:50   #5 (permalink)
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reg,volt table for bb5



reg,volt table for dct4


Attached Images
File Type: jpg bb5 voltage chart.JPG (73.9 KB, 105 views)
File Type: jpg dct4.JPG (77.6 KB, 100 views)
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Old 11-07-2010, 18:23   #6 (permalink)
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Originally Posted by iqballk View Post
buy an oscilloscope nd a frequency counter. google it for multimeter refs..

regards..
WITHOUT oscilloscope WE CANT DO SOMETHING VIA MULTI MEETER??????????????
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Old 11-07-2010, 18:29   #7 (permalink)
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i thing we need schematics for this and we follow the circuits to measure it.

Regard

gopal909
yes but only expert doing this demo .................
Pls if any 1 know make a video it will help to all
and every 1 set reapeare perfectly
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Old 11-08-2010, 03:52   #8 (permalink)
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waiting for help............................
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Old 11-08-2010, 14:44   #9 (permalink)
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waiting for help

neeeeeeeeeeeeeeeeeeeeeeeeded
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Old 11-08-2010, 18:01   #10 (permalink)
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Quote:
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i thing we need schematics for this and we follow the circuits to measure it.

Regard

gopal909

yes__________ any video tutoriol if 1 can exrert do this for us its hard but fully help full
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Old 11-09-2010, 16:38   #11 (permalink)
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replllllllllllllllllllllllllllllllllllllllllllllll llllllllllllllllllllllllly
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