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Go Back   IMEI Source > Mobile Phone Brands -=Hardware & Software Area=- > Nokia > Nokia Hardware & Hardware-Repair Area

Nokia Hardware & Hardware-Repair Area 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 01-21-2011, 16:13   #11
JannatLui
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Re: common problem difficult to solve try to make it easy

ufs solved nokia 1600,1110,1112,2310 etc.....network problem with software

how to check this model handset network problem HARDWARE OR SOFTWARE

see this video mannul
Download 1110,1600,2310 etc...network problem.exe from Sendspace.com - send big files the easy way

what is ur opinion

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Old 01-21-2011, 16:14   #12
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Re: common problem difficult to solve try to make it easy

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

2)RESOLDRING OR CHANGE DISPLAY CONNECTOR

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

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


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

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


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

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

C)NOT SOLVED THIS PROBLEM 100%OMAP PROBLEM
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Old 01-21-2011, 16:17   #13
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Re: common problem difficult to solve try to make it easy

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

2)RESOLDRING BATTERY CONNECTOR

3)CLEAN OR CHANGE BOTTON CONNECTOR

4)CHECK BSI WAYS

5)CHANGE BSI RESISTER

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
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Old 01-21-2011, 16:18   #14
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Re: common problem difficult to solve try to make it easy

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




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.




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.






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
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Old 01-21-2011, 16:20   #15
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Re: common problem difficult to solve try to make it easy

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

5)CHANGE DISPLAY EMI FILTER(2Nos)

6)LAST CHECK RAP3G REFLOW OR REBALL THIS CHIP
Regards
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Old 01-21-2011, 16:21   #16
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Re: common problem difficult to solve try to make it easy

brother here the 6300 display solution step by step check ways

1)change display

2)resoldring display coonector

3)check vio 1.8 volt
a)check or change coil
b)remov blue marked this capacitor
c)make this jumber like this picture
4)check vaux 2.8v volt
a)check or change coil
b)remove red maked capacitor
c)make this jumber like this picture

5)Chnage display EMI filter(2Nos)

6)LAST CHECK RAP3G REFLOW REBALL
Regards
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Old 01-21-2011, 16:22   #17
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Re: common problem difficult to solve try to make it easy

6030 HANDFREE MODE SOLUTION
1)CHECK OR CHANGE BOTTOM CONNECTOR

2)CHANGE RED MARKED 100K RESISTER OR REMOVE BLUE MARKED C2011 CAPACITOR

3)RESOLDRING OR CHANGE N2160 OR N2161 TRANSISTER

IF NOT SOLVED THIS PROBLEM?CHECK UEM
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Old 01-21-2011, 16:23   #18
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Re: common problem difficult to solve try to make it easy

Booting phone...
MCU ID: 0x2201
BOOT file: C:\Program Files\ODEON\JAF\Flash\u_2nd.fia
Loader version: 04.46.01 -> Revision: 0007
Boot size is 0x09A0
Boot is ready...
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: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
Flash ID is 0x6822EC00
Flash loader is C:\Program Files\ODEON\JAF\Flash\u_amd.fia
Loader version: 04.46.01 -> Revision: 0007
Loader size is 0x7518; Loader chk: 21
Loader is ready...
P-key nokia module version 01.02
MSID: 84EF0EFDE4977274EED61AD3C8
MSID decoded: 3E4EBAE90081C788A8000000
FAID: E8DC95F68C3009F74DCF0E72
Operation took 0 minutes 18 seconds...
Erasing...
Found 5 interval(s) to erase
Erasing area: 01000000 - 0100FFFF...
Erasing area: 01010000 - 013BFFFF...
Erasing area: 013C0000 - 013EFFFF...
Erasing area: 017C0000 - 017EFFFF...
Erasing area: 01FC0000 - 01FEFFFF...
Operation took 0 minutes 24 seconds...
Writing...
Error cmd: 14!
Addr: 01000000


dear friends see this error,this is nokia 2310 flashing error with JAF?
NOKIA 1110,6030,1600,1112,2610,1200,1208,1650 Etc.........
FACED SAME FLASHING PROBLEM
WHICH PART DAMAGED THIS CAUSE
HOW TO CLEAR THIS PROBLEM
SEE TECHNICS
STEP-1
change clock crystal(RTC)

change second loacl crystal

reball or change FLASH IC

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Old 01-21-2011, 16:24   #19
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Re: common problem difficult to solve try to make it easy

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
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Old 01-21-2011, 16:25   #20
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Re: common problem difficult to solve try to make it easy

nokia 5200 SIM WAYS

ALL WAYS AND JUMBERING PROPER BUT NOT TAKEN SIM CARD?
REMOVE V SIM REALTED CAPACITOR(MAKED ITEAM)


SAME PROBLEM AGAIN 100%RETU PROBLEM U MUST REBALL OR CHANGE RETU
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