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| Chinese Models & Cloned Phones All China Phone Platforms like (MTK, Spreadtrum.. etc.) Cloned Nokia Nokla & Motorola . etc. Phones are included |
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09-08-2011, 15:12
| #2 (permalink) | |
| No Life Poster   Join Date: Apr 2007 Location: M W Balasore,Odisha,INDIA Age: 52
Posts: 12,752
Member: 492222 Status: Offline Sonork: 100.1594126 Thanks Meter: 10,377 | Quote:
Post inside detail ( what type of CPU inside ??? ) | |
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| The Following User Says Thank You to srinibas For This Useful Post: |
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09-08-2011, 16:27
| #3 (permalink) |
| No Life Poster Join Date: May 2004 Location: GaZiPuR,BaNgLaDeSh Age: 38
Posts: 2,386
Member: 66430 Status: Offline Sonork: 100.1601372(iN YoUr mInD) Thanks Meter: 1,987 | change charging jack problem not solved then reball & replace cpu |
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| The Following User Says Thank You to GOLDEN-SHARIF For This Useful Post: |
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09-08-2011, 17:22
| #4 (permalink) | |
| Super Moderator   Join Date: Nov 2008 Location: Bangladesh<>Türkiye
Posts: 4,788
Member: 1435864 Status: Offline Sonork: / Skype id: Parashsky Thanks Meter: 1,755 | Quote:
Try... http://forum.gsmhosting.com/vbb/7474598-post7.html 1.First check power switch track with meter it is shorted. 2.Check full pcb with meter it is not shorted 3.I observe that power switch positive print match with gnd.so power switch track show shorting in meter. 4.I removed charging port problem still not solved 5.Then re solder cpu problem still not solved 6.Remove power switch diode which find that see 7.Make a jumper to power switch diode positive to power switch button positive.problem not solved auto on. 8.Then after power on i disconnect the jumper now all button working fine. that means when i make a jumper it is shorted automatically but not show in meter. 9.Then cut main pcb connection from power switch button by blade or cutter. 10. As like before making a jumper 11.Now power on the phone this time set not auto on.so i manually power on and check all key working fine. Br, Parash Last edited by Parash; 09-08-2011 at 18:43. | |
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| The Following User Says Thank You to Parash For This Useful Post: |
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09-09-2011, 07:08
| #6 (permalink) |
| No Life Poster  Join Date: Jul 2009 Location: Bangladesh
Posts: 3,159
Member: 1076772 Status: Offline Sonork: 100.1601881 Thanks Meter: 2,847 | problem : auto power on when attach battary AND NO KEY WORK history: it is not water damage or not droping damage phone. suddenlly coustomer see face this problem and come to me to repaire the hadset. action taken: step by step i done this problem.here the manual 1.first cheak power switch track with meter it is shorted. 2.cheak full pcb with meter it is not shorted 3.i observe that power switch positive print match with gnd.so power switch track show shorting in meter. 4.i removed charging port problem still not solved 5.then resolder cpu problem still not solved 6.remove power switch doide which find that see |
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