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Nokia Hardware Repairing Technics

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Nokia Hardware Repairing Technics Empty Nokia Hardware Repairing Technics

Post by Azad Fri Jun 05, 2009 11:15 am

Nokia Hardware Repairing Technics

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

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



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3)CHECK BSI LINE
A)CHECK PICTURE NUMBER-3



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4)CHECK BSI RESISTER
A)FIRST REMOVE THIS RESISTER THEN CONNECT SOFTWARE
B)SAME ERROR SHOW? CHANGE THIS RESISTER




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Azad
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Post by Azad Fri Jun 05, 2009 11:20 am

5)CHECK SECOND LOCAL OSILLATOR 26Mhz CRYSTAL
A)CHNAGE THIS CRYSTAL

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30%UEM PROBLEM
20%UPP PROBLEM

REGRADS
SHIJILFONOTLY&NEILTHIRUMUTTAM

NOKIA.REPAIR.MASTERS.TEAM

Azad
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Post by Azad Fri Jun 05, 2009 11:25 am

INSERT SIM SOLUTION 1110,1112,1600,2310,2610,2310

1)CHECK OR CHANGE BATTERY&SIM CARD----BOTH ITEAMS AFTER CHANGING SAME INSERT SIM PROBLEM?

2)OPEN HANDSET THEN CHECK THIS PARTS

A)BSI VOLTAGE MISSING PHONE SHOW INSERT SIM


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B)CHECK EASY CABLE PORT OR PCB CONTCAT

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C)CHECK VSIM LEG Ohms FIX MULTI METTER TO DIODE CHECKING MODE

a)(DIFFENT VALUE OHMS SHOW ABOVE 500ohms?----(VSIM VOLTAGE PREFECT)

b)(SAME VALUE OHMS SHOW?LIKE 200 Ohms TO 200 Ohms,(VSIM RELATED CAPACITOR SHOTAGE)40%UEM(REMOVE RED MARKED CAPACITOR)


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c)NOT SHOW ANY VALUE Ohms?(UEM NOT GENARATE SIM VOLTAGE 100M PROBLEM)BUT ONE THINK VSIM PRINT MISSING NOT SHOW ohms

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CHECK RED MARKED WAYS

Azad
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Post by Azad Fri Jun 05, 2009 11:28 am

D)REMOVE SIM IC THEN CHECK SIM CONNECTOR TO SIM IC WAYS

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E)CHNAGE OR SHOT SIM IC

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LAST CHECK UEM AND UPP
RESULT
1)SIM,BATTERY,SIM IC,SIMWAYS,CAPACITOR SHOTAGE ETC......65%
2)UEM............................................. ......20&
3)UPP............................................. ......15&

Azad
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Post by Azad Fri Jun 05, 2009 11:36 am

Nokia N70 White Display (booted)

PHONE WHITE SCREEN BUT PHONE WORKING FINE(CALLING 100%OK)
SOLUTION STEP BY STEP
1)CHANGE DISPLAY


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2)RESOLDRING OR CHANGE DISPLAY CONNECTOR

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3)CHECK VI0(1.8V) OR VAUX(2.5V)
A)VIO 1.8VOLTAGE NOT SHOW MULTI METTER?
1)CHECK C4400 TO C2215 WAYS LIKE THIS PICTURE(WAYS ARE OK?)
2)CHECK OR CHNAGE L4400 COIL OR REMOVE C4400,C2215 CAPACITOR



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3)AGIAN SAME VOLTAGE MISSING 100%RETU PROBLEM(VIO 1.8V GENARATED BY RETU)

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B)VAUX(2.5V) VOLTAGE NOT SHOW MULTI METTER?
1)CHECK C2216 TO C4401 WAYS LIKE THIS PICTURE(WAYS ARE OK?)
2)CHECK OR CHANGE L4401COIL OR REMOVE C4401,C2216 CAPACITOR


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3)AGIAN SAME VOLTAGE MISSING 100%RETU PROBLEM(VAUX 2.5V GENARATED BY RETU)

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VIO(1.8V)OR VAUX(2.5) prefect?
A) REFLOW OR CHNAGE Z4402 OR Z4403



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B) SAME WHITE SCREEN PROBLEM AGAIN REMOVE 2 DISPLAY IC THEN CHECK DISPLAY CONNECTOR TO DISPLAY EMI WAYS


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C)NOT SOLVED THIS PROBLEM 100%OMAP PROBLEM





REFLOW OR CHNAGE RETU

Azad
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Post by Azad Fri Jun 05, 2009 11:39 am

TWO TYPES WHITE SCREEN PROBLEM
1St IS WHITE SCREEN FREEZED(non booted)
THIS TIME PHONE NOT BOOTED,POWER ON TIME JUST ENABLED DISPLAY&KEYPAD LIGHT ONLY
HOW TO CLEAR THIS PROBLEM--------AM EXPLAIN MY EXPERIANCE
A)CONNECT JAF,UFS OR MT BOX ETC.............
B)USE CHECK BUTTON
Booting phone...
APE Boot Data:
Asic ID: 17100701
Asic Mode ID: 00
Asic Public ID: C57A6C30A60BFE52D39FC1751D66A629FB40EB4E
HASH: 2C05369F57CC3C4CF9E783E83D9B512B00000000
ROM ID: AB5E4ADB27A06946
CMT Boot Data:
Asic ID: 000000010000022600010006000C192101002200
Asic Mode ID: 00
Asic EM ID: 00000353
Asic Public ID: 1E80000999865A516630285C29EAFDD6F54AA796
HASH: E9EFF4BFAA5393217CA6B17755FC3E1400000000
ROM ID: F28A211FCEA7B19D
CMT Boot File: C:\Program Files\ODEON\JAF\Flash\rap3gv2_2nd.fg
Loader version: 01.15.00 -> Revision: 0000
Patching CMT boot step2...
CMT Boot Ready
CMT Flash ID: 225000EC <=> SAMSUNG (SEC) -> K8S6415ETB
CMT Flash Data: 00000000000000000000000000000000
CMT Loader: C:\Program Files\ODEON\JAF\Flash\RAP3Gv3_algo.fg
Loader version: 01.21.01 -> Revision: 0000
CMT Loader Ready
APE Boot: C:\Program Files\ODEON\JAF\Flash\helen3_2nd.fg
Loader version: 01.23.00 -> Revision: 0000
Patching APE boot step2...
APE Boot Ready
APE Flash ID: 00360098 <=> SAMSUNG -> Type not in database
APE Flash Data: 00020000000600000000000000000000
Done!
C)CHANGE PHONE MODE TO LOCAL MODE(WHITE SCREEN FREEZED PHONE MUST ENTER LOCAL MODE)
Changing mode...
Done!
D)THEN AGAIN CHANGED PHONE MODE TO TEST MODE(WHITE SCREEN PHONE NOT ENTER TEST MODE) BECOZ OMAP WORKING NOT PROPER
Changing mode...
Failed!!!
REPAIR SOLUTION
STEP1---CHECK IN PUT SMPS VOLTAGE(3.6VOLT)
A)THIS VOLTAGE MISSING? JUST MAKE THIS JUMBER

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STEP2---CHECK DC/DC CONVERT COIL OUT VOLTAGE IN SAME VAULE(1.4VOLT-VCORE)
A)COIL OUT VOLTAGE NOT SHOW? CHANGE THIS COIL



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STEP3---CHECK SMPS OUT PUT VOLTAGE(1.4VOLT-VCORE)
A)OUT VOLTAGE NOT SHOW? CHANGE THIS SMPS(50%SPMS PROBLEM)




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STEP4---OMAP----30%
STEP5---RAP3G---20%

Azad
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