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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 05-11-2004, 23:15   #1 (permalink)
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How to find out whether 3310 Nokia MAD is faulty?


Are there any hints( rules) how to identify that the problem with dead Nokia 3310 is because of faulty MAD?
Thanks for your advice.
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Old 05-12-2004, 00:37   #2 (permalink)
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MAD is not easy to be dammadged , craking of soldering and mechanical sterss are the most common causes of it's dammadge ( The problem of mobiles that they'r mobiles !! )
But U can make some investigations arround it like , when U push power SW is the keypads volt changes to 2.8volt ? ( it comes from ccont but that means it is working ),
then after pressing power Sw is it heats up or any component does ?
still it comunicates with computer port , also cloking is very important it is the blood of electronics ( 13/26 Mhz )
History of power dammadge at any sector ( ccont , charging ,loss of tracking, ect ) may affect the MAD ( Ie. distroys it , although the MAD is the most protected Chip )

If U review the old posts U'll see that they'll not comes out of those points.

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