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11-19-2009, 16:26
| #168 (permalink) |
| Insane Poster  Join Date: Nov 2009
Posts: 65
Member: 1157279 Status: Offline Thanks Meter: 7 | I wish you success for all Technicians and specialists!There is a cell phone nokia 1110i inserted in water before 4months and I reflowed the pcb and I tried it with nice battery.I heard sounds but no display picture and the keypad is not turning on!What should I do to repair it? please,help me!My grandfather is so worried to lose the phone.Waiting for your answers now!Or U can send me through yahoomessenger offline message at [email protected] |
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11-25-2009, 16:42
| #172 (permalink) |
| Banned Join Date: May 2009
Posts: 152
Member: 1035338 Status: Offline Sonork: 9391 Thanks Meter: 195 |  check shote easy way check shorting in 6300... 1..remove this coil mark in (1)...if u want to check is pf is short,..... 2..remove this coil mark in (2)..if u want to check rf ic is short because rf ic also got +b volt from battery.... 3..remove this coil mark in (3)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery.... 4..remove this coil mark in (4)..if u want to check the v.camdig maker ic ..this v.camdig maker ic got +b from batery.... 5..remove this coil mark in (5)..if u want to check the light ic is short.... 6..also check the memory card driver ic n3200 it also got +b it can be check by only removing this ic..... 7..at end remove retu and tahvo ic... all the component which are mark in pink colur these all are coils these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic .... [email protected] Attached Thumbnails |
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11-25-2009, 16:47
| #173 (permalink) |
| Banned Join Date: May 2009
Posts: 152
Member: 1035338 Status: Offline Sonork: 9391 Thanks Meter: 195 | check shoting in 5200 check shoting in 5200 1..remove this coil mark in (1)...if u want to check is pf is short,..... 2..remove this coil mark in (2)..if u want to check rf ic is short because rf ic also got +b volt from battery.... 3..remove this coil mark in (3)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery.... 4..remove this ic ..if u want to check the v.camdig maker ic ..this v.camdig maker ic got +b from batery.... 5..remove this coil mark in (5)..if u want to check the light ic is short.... 6..also check the memory card driver ic n3200 it also got +b it can be check by only removing this ic..... 7..at end remove retu and tahvo ic... all the component which are mark in pink colur these all are coils these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic .... [email protected]  Attached Thumbnails |
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| The Following 5 Users Say Thank You to dipendra_22 For This Useful Post: |
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11-25-2009, 16:55
| #174 (permalink) |
| Banned Join Date: May 2009
Posts: 152
Member: 1035338 Status: Offline Sonork: 9391 Thanks Meter: 195 |  n70 shorting check check shorting in nokia n-70... 1..remove this z7500 mark in (1) if u want to check the shoting of pf of gsm and wcdma ....if remove the coil and ur shoting is gone then tere is shoting in ur pf of gsm or wcdma ........ 2..remove this coil mark in l7503 (2)...if u want to check the shoting of rf ic for gsm hinku and rf ic for wcdma vinku.... by removing this coil if ur shoting is gone then there is shoting in ur rf ic whether it is hinku or vinku.... 3..remove this coil mark in (3)..if u want to check the shoring cause flash light driver ic n1471 ....because this ic got +b from batery.... 4..remove this coil mark in (4)..if u want to check smps ic n4200.. ..this ic make v corea for omap ic and rap remove cil to check shoting is gone or not..... 5..remove this ic n4201 ape regulator mark in (5)..if u want to check the shoting is cause by this remove it to check shoting is gone or not.... 6..remove light ic mark in (6) ... to check the shoting cause by light ic or not.... 7..remove n1472 ic mark in (7) ...it is vcamdig maker ic which make v.cam when front camera is activated ......remove this to check shoting because this ic got +b from batery...... 8..remove ic n1470 and n7505 ic mark in (8,9)... it is c camdig maker ic which make v.cam or front camera ....remove these ic to check shoting .....because it got +b from batery..... 9..remove bluetooth module mark in (10)... tocheck shoting ...because it got +b from batery..... 10..at end remove retu and tahvo ic to check shoting....... all the component which are mark in pink colur these all are coils these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic .... [email protected] Attached Thumbnails |
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12-04-2009, 10:36
| #178 (permalink) |
| No Life Poster   Join Date: Dec 2002 Location: nigeria
Posts: 661
Member: 18926 Status: Offline Sonork: ndagi Thanks Meter: 52 | nokia 5800 complete shorted via 12v dc power supply accident. Any ideas on component to check ? i've tried using examples here but cant seem to find the component thats shorted. Right now phone is dead and as soon as you connect dc power supply 3.8v the power supply runs to 0000 on both displays in 1 sec. all help/suggestions greatly anticipated and appreciated regards ndagi |
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12-07-2009, 08:28
| #179 (permalink) |
| No Life Poster  Join Date: Oct 2007 Location: Professional Mobile Unlocker Age: 41
Posts: 711
Member: 617174 Status: Offline Sonork: 100.1622609 Thanks Meter: 579 | I am try unlock my phone NOkia 5800d-1 midel point unlock faild, but i am chack power supply phone still dath & Full Short plz help me any solution |
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12-08-2009, 12:41
| #180 (permalink) |
| Junior Member Join Date: Mar 2007
Posts: 20
Member: 460522 Status: Offline Thanks Meter: 2 | n70 display lights [QUOTE=digitized;3428514]check shorting in nokia n-70... my n70 display there is no light therefore its very difficult for me to use at night,can you give me a solution how to fix it thanks |
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