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| 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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01-14-2007, 19:59
| #1 (permalink) |
| No Life Poster   Join Date: Nov 2006 Location: Philippines - Saudi Arabia
Posts: 539
Member: 396326 Status: Offline Thanks Meter: 229 |  How to diagnose the DEAD??? Using only: Jaf 1.94v Griffin Box Digital Meter Adjustable Power Supply complete “Ammeter and Voltmeter Display” CHK using jaf it say: Getting MCU ID Phone didn't answer with TX line high after power on! Causes: 1. Phone don't power on -> Check cable 2. TX pin from phone don't make contact -> Check cable 3. UPP damaged -> change UPP 4. UEM damaged -> change UEM MCU ID: 0xAAAA Failed! Aborting! Done! Phone Restarted... For me when I see the 1, 2, 3,or 4 causes: I reflow the ic mention by jaf Next solution is RTO I’m not a prof. mobile tech. But I really want to know how to diagnose this Problem. Using this equipment. Anybody has an idea for this problem. I’m a fast learner you can post your response here.. Just gave me an example… capri and  somebody |
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01-14-2007, 22:15
| #2 (permalink) |
| No Life Poster  Join Date: Feb 2006 Location: In a point from Universe! Age: 40
Posts: 1,633
Member: 235325 Status: Offline Sonork: 100.1593552 Thanks Meter: 523 | Hi, From my opinion You can diagnose if a dead phone can be repaired by using a profesional Power Suply for the first time(in my opinion profesional means that the ampermeter and voltmeter of Power Suply must be Analogic not Digital).This method I'm using it for determin if a dead phone it has a software problem.For this method You must have experience in mobiles phones and few knowledges about electronical equipment.By example I've study electronics equipment since 5 graduate |
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01-15-2007, 10:44
| #3 (permalink) | |
| No Life Poster Join Date: Nov 2006 Location: Philippines - Saudi Arabia
Posts: 539
Member: 396326 Status: Offline Thanks Meter: 229 | Quote:
Yes, I do.. I had power supply with analog ammeter and voltmeter display... Your opinion or diagnosing is just checking the ampere passing through power input looking at display analog. It just like that? Thanks buddy...for your oppinion i appreciate that,,, Anyone?????.... How about with jaf chck; MCU ID not at all display 0xAAAAAA what is that? | |
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