My Nokia Hardware Repairing Technics

Discussion in 'Nokia Hardware' started by Rudy_XTX, Oct 11, 2010.

  1. Rudy_XTX

    Rudy_XTX New Member

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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
    PICTURE1.
    2)CHECK BATTERY CONNECTOR
    A)RESOLDRING BATTERY CONNECTOR OR CHNAGE IT PICTURE NUMBER-2
    PICTURE2.
    3)CHECK BSI LINE
    A)CHECK PICTURE NUMBER-3
    PICTURE3.
    4)CHECK BSI RESISTER
    A)FIRST REMOVE THIS RESISTER THEN CONNECT SOFTWARE
    B)SAME ERROR SHOW? CHANGE THIS RESISTER
    >>>http://i193.photobucket.com/albums/z255/fono_vadakara/PICTURE4.jpg<<<

    sorry tidak bisa 4 foto satu post jadi buka sendiri nya :rock::rock::rock:
     
  2. Rudy_XTX

    Rudy_XTX New Member

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    [​IMG]

    ^^^ nah ini gambar yg atas

    5)CHECK SECOND LOCAL OSILLATOR 26Mhz CRYSTAL
    A)CHNAGE THIS CRYSTAL
    [​IMG]
    30%UEM PROBLEM
    20%UPP PROBLEM

    REGRADS
    SHIJILFONOTLY&NEILTHIRUMUTTAM

    NOKIA.REPAIR.MASTERS.TEAM
     
  3. Rudy_XTX

    Rudy_XTX New Member

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    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
    [​IMG]
    B)CHECK EASY CABLE PORT OR PCB CONTCAT
    [​IMG]
    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)
    [​IMG]
    c)NOT SHOW ANY VALUE Ohms?(UEM NOT GENARATE SIM VOLTAGE 100M PROBLEM)BUT ONE THINK VSIM PRINT MISSING NOT SHOW ohms
    [​IMG]
    CHECK RED MARKED WAYS
     
  4. Rudy_XTX

    Rudy_XTX New Member

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    D)REMOVE SIM IC THEN CHECK SIM CONNECTOR TO SIM IC WAYS
    [​IMG]
    E)CHNAGE OR SHOT SIM IC
    [​IMG]
    LAST CHECK UEM AND UPP
    RESULT
    1)SIM,BATTERY,SIM IC,SIMWAYS,CAPACITOR SHOTAGE ETC......65%
    2)UEM............................................. ......20&
    3)UPP............................................. ......15&

    REGARDS
    SHIJILFONOTLY&NEILTHIRUMUTTAM
     
  5. Rudy_XTX

    Rudy_XTX New Member

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    1110,1110i,1112,1600,2310 NOT CHARGING STEP BY STEP REPAIRING WITH MY IDEA
    [​IMG]
    [​IMG]
    2)SOME TIMES PM FILE PROBLEM PHONE SHOW NOT CHARGING
    A)WRITE THIS PM
    2)OPEN HANDSET THEN CHECK EASY CABLE PORT OR CHARGER SOCKET
    A)CHANGE THIS PART
    3)CHECK CHANGER INPUT RELATED ESD,CAPACITOR,FUSE AND COIL
    [​IMG]
    4)CHECK BSI WAYS
    [​IMG]
    5)REMOVE BSI LINE FILTER CAPACITOR NEAR BATTERY CONNECTOR
    [​IMG]
    6)REMOVE BSI REALTED RESISTER THEN CHECK CHANGERING SAME NOT CHARGE SHOW FIX THAT RESISTER
    [​IMG]
    7)CHNAGE THIS RESISTER LIKE THIS PICTURE
    [​IMG]
    8)TRY TO CHNAGE BSI OR BTEMP RELATED RESISTER OR CAPACITOR
    [​IMG]
    40% UEM PROBLEM PHONE SHOW NOT CHANRGING
     
  6. Rudy_XTX

    Rudy_XTX New Member

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    NOKIA 6230,6230i NETWORK PROBLEM UPDATED
    6230,6230i NONET WORK FOUND PROBLEM SOLVED CHANGING THIS CAPACITOR
    [​IMG]
    THIS LAST MONTH AM SOLVED ABOVE 35 HANDSETS
     
  7. Rudy_XTX

    Rudy_XTX New Member

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    THE LAST WEEK AM SEEN MANY POSTING IN ALL FORUMS
    NOKIA DCT4(1200,1208,1650 Etc........)FLASHING COMPLETED AND WITH CABLE SHOW LOCAL MODE
    BUT WITH BATTERY PHONE NOT POWER ON

    THIS MY TECHNICIS
    MAINYLY THIS CAUSE BSI RELATED PROBLEM
    BUT 1650 IS DIFFERNT CAUSE
    60%SOFTWARE PROBLEM 1650
    SOLUTION
    1)ERASE FLASH
    2)FLASH LAST VERSION(MCU+PPM+CNT)
    3)WRITE PM
    4)UNLOCK&FULL FACTORY

    HARDWARE SOLUTION
    1)CHANGE BATTERY
    [​IMG]
    2)RESOLDRING BATTERY CONNECTOR
    [​IMG]
    3)CLEAN OR CHANGE BOTTON CONNECTOR
    [​IMG]
    4)CHECK BSI WAYS
    [​IMG]
    5)CHANGE BSI RESISTER
    [​IMG]
    IF PROBLEM NOT SOLVED?
    REFLOW OR CHANGE UEM
    UEM CHANCE 40%


    SAME PROBLEM FACED DCT4 ANOTHER MODEL HANDSET
    POST HANDSETS MODEL NUMBER OR HISTORY I WILL HELP U
     
  8. Rudy_XTX

    Rudy_XTX New Member

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    not charging problem of 6030

    BROTHER SEE THIS PICTURE THEN WORK STEP BY STEP
    [​IMG]
    THIS PHONE MAIN PROBLEM NUM-2 MARKED RESISTER
     
  9. Rudy_XTX

    Rudy_XTX New Member

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    What is local mode?

    Local mode is triggered either by a service battery / jig from Nokia being used to power the phone,
    A faulty battery, a faulty phone or the phone has got "liquid ingress” also indicate local mode in display

    See this picture
    [​IMG]
    s in the above picture when BSI is grounded with a resistor of
    5.1k to 7k1 and insert battery, nokia sets displays local/test mode on screen

    By this way we can trigger the set in to local mode and software operation through USB


    Local mode is triggered for reading & writing phone pm area (EEPROM),
    File system formatting etc.

    What is test mode?

    Test mode is for doing file system removing like full factory defaults
    Also can do pm area re-writing and for unlocking the phone


    Some phones displays either of these modes directly when battery is inserted to the phone
    and we gets in this condition for repairing

    This may be either by a faulty battery or damaged hardware in the handset.
    We can assume this is a BSI related fault

    TEST THE PHONE WITH A WORKING BATTERY


    Now what is BSI?

    BSI, the thermistor used to sense the battery temperature and shut down the charger
    Their is an internal circuit from power IC to BSI lead of battery
    this circuit manages charging mechanism and battery sensing.
    [​IMG]
    Faulty parts in this BSI circuit may lead to the local/test mode

    Or finally we have to suspect power ic






    Here NOKIA 1200 schematic is used to illustrate BSI way and possible reasons for this fault.
    [​IMG]
    [​IMG]
    he blue colored parts are related to the BSI function .we have to trace from battery connector, capacitors, and then other parts. These parts can be identified by reading the higher level schematic of the phone. By following this logic you may be able to trace local mode in any nokia phone
     
  10. Rudy_XTX

    Rudy_XTX New Member

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    NOKIA 6233 DISPLAY WHITE PROBLEM CHECKING METHODE HERE

    1)CHECK OR CHANGE DISPLAY
    [​IMG]
    2)RESOLDRING DISPLAY CONNECTOR
    [​IMG]
    3)CHECK VIO 1.8 VOLT
    [​IMG]
    THIS VIO VOLT MISSING?
    A)CHECK RED MARKED COIL
    B)JUST MAKE THIS JUMBER LIKE THIS PICTURE
    [​IMG]
    4)CHECK FM LCD 2.8 Volt
    [​IMG]
    THIS FM LCD 2.8 Volt MISSING?
    A)CHECK THIS RED MARKED COIL
    B)CHANGE THIS FM LCD 2.8 VOLT DRIVER
    [​IMG]
    5)CHANGE DISPLAY EMI FILTER(2Nos)
    [​IMG]
    6)LAST CHECK RAP3G REFLOW OR REBALL THIS CHIP
     
  11. Rudy_XTX

    Rudy_XTX New Member

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    6030 HANDFREE MODE SOLUTION
    1)CHECK OR CHANGE BOTTOM CONNECTOR
    [​IMG]
    2)CHANGE RED MARKED 100K RESISTER OR REMOVE BLUE MARKED C2011 CAPACITOR
    [​IMG]
    3)RESOLDRING OR CHANGE N2160 OR N2161 TRANSISTER
    [​IMG]
    IF NOT SOLVED THIS PROBLEM?CHECK UEM
     
  12. Rudy_XTX

    Rudy_XTX New Member

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    NOKIA 2630 OR 2600C MAIN PROBLEM INSERT SIM OR CAMEAR OPEN TIME PHONE RESTARTED

    AM EXPLAINING INSERT SIM SOLUTION
    1)CHANGE BATTERY
    2)RESOLDING SIM CONNECTOR
    3)CHECK VSIM VOLTAGE WAYS
    4)CHECK VSIM LEG TO GND OHMS ANY SHOTAGE SHOW?
    5)REMOVED C2208,C2700,C2710 VSIM REALETED FILTER CAPACITOR
    6)REMOVE SIM IC THEN MAKE THIS JUMBER LIKE THIS PICTURE
    [​IMG]
     
  13. Rudy_XTX

    Rudy_XTX New Member

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    6233 on/off switch jumper
    [​IMG]
     
  14. Rudy_XTX

    Rudy_XTX New Member

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    n73 not charging
    [​IMG]
     
  15. Rudy_XTX

    Rudy_XTX New Member

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    Nokia 6233 says " charger not supported"
    [​IMG]
    [​IMG]
     
  16. Rudy_XTX

    Rudy_XTX New Member

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    Nokia 6233 says " charger not supported"
    [​IMG]
    [​IMG]
     
  17. Shofee

    Shofee New Member

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