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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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Old 02-25-2010, 08:35   #1 (permalink)
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Wink Nokia Hardware Repairing Technics


NOKIA 6233 DISPLAY WHITE PROBLEM CHECKING METHODE HERE
1)CHECK OR CHANGE DISPLAY

2)RESOLDRING DISPLAY CONNECTOR
3)CHECK VIO 1.8 VOLT

THIS VIO VOLT MISSING?
A)CHECK RED MARKED COIL
B)JUST MAKE THIS JUMBER LIKE THIS PICTURE

4)CHECK FM LCD 2.8 Volt

THIS FM LCD 2.8 Volt MISSING?
A)CHECK THIS RED MARKED COIL
B)CHANGE THIS FM LCD 2.8 VOLT DRIVER OR SHOT THIS 2PRINT LIKE THIS PICTURE


5)CHANGE DISPLAY EMI FILTER(2Nos)


6)LAST CHECK RAP3G REFLOW OR REBALL THIS CHIP




NOKIA LASTEST MODEL 6208c_6202c_RM-458
MMC,DISPLAY,TOUCH SCREEN,KEYPAD AND ON/OFF SOLUTION HERE






REGARDS

AKASHUB
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Old 02-25-2010, 08:36   #2 (permalink)
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1110,1112,1600,2310,2610,6030 SOME TIMES POWER ON,SOME TIMES BLUE DISPLAY,SOME TIMES HANG NOKIA LOGO



THIS HANDSETS SOFTWARE CONNECTING TIME MANY DIFFERENT ERROR SHOW.





ERROR1)



MCU ID: 0x2201

FLASH ID0: 226800EC <=> SAMSUNG (SEC) -> K8S3215ETE Addr0: 0x01000000 - 0x01FFFFFF, SectorSize0: 10

FLASH ID1: 00010000 <=> Flash -> not used Addr1: 0x02000000 - 0x02FFFFFF, SectorSize1: 0

First 16 bytes: 25:06:2008 14:14 -> AD 7E B6 1A 1B BE 0B E2 7D 58 6B E4 DB EE 65 14

Checking RAM for ALGO...

Algo is ready...

BOOTING NOT COMPLETED



ERROR2)

MCU ID: 0x2201

chk Failed! Aborting!



ERROR3)

Cable is not good -> check for 68k resistor b/w bsi-gnd in connector and 3.3k resistor in serial with bsi line



ERROR4)

SOME TIMES SHOW

UPP DAMAGED OR UEM DAMAGE ERROR SHOW!!!!!!!!!!!



AM EXPLAIN HOW TO SOLVED THIS PROBLEM





1)FIRST CHECK EASY CABLE PORT

A)CLEAN OR CHANGE THIS CONNECTOR

B)CHECK PCB CONTECT PICTUER NUMBER-1



2)CHECK BATTERY CONNECTOR

A)RESOLDRING BATTERY CONNECTOR OR CHNAGE IT PICTURE NUMBER-2



3)CHECK BSI LINE

A)CHECK PICTURE NUMBER-3



4)CHECK BSI RESISTER

A)FIRST REMOVE THIS RESISTER THEN CONNECT SOFTWARE

B)SAME ERROR SHOW? CHANGE THIS RESISTER



5)CHECK SECOND LOCAL OSILLATOR 26Mhz CRYSTAL

A)CHNAGE THIS CRYSTAL



30%UEM PROBLEM

20%UPP PROBLEM

Last edited by akashub; 02-25-2010 at 08:44.
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