This document is intended for use by authorized NOKIA service centers only. The purpose of this document is to provide some further service information for NOKIA 3210 phones. It contains a lot of collected tips and hints, to find failures and repair solutions easily.
Contents INTRODUCTION OESN WITCH ON O FLASH UPDATE POSSIBLE NTERMITTENT DOESN T SWITCH ON OT CHARGING OW STAND BY TIME OPERATION TIME HONE SWITCH IT SELF OFF COBBA ONTACT SERVICE PARALLEL -CCONT ONTACT ERVICE INTERFACE FAIL – E ONTACT SERVICE EPROM CHECKSUM FAIL LOCK TIME OR USER SETTINGS PROBLEMS UZZER FAILURES...
CONFIDENTIAL Service & Analysis Center Europe Training Team Doesn't Switch on Phone doesn't switch on, section: DC / DC converter Check VB (Battery 2,4V-3V) check connector X101/ X102 on L102 change if bend or soiled check the solderings and resolder or change L102 resistance of L102 "0Ohm"...
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Phone doesn't switch on (CCONT part) check if PWRON (3,2V DC) drops to 0V during pressing the pwr button on R413. check 32,768KHz, 700mVpp on B100 check 32.768KHz squarewave signal on C149 Check PURX (2,8V DC) afterpressing pwr on button on R303 Check SLEEPX (2,8V DC) on J340...
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Battery connectors X101/ X102 / bend out dirty Check if VBATT and Gnd are connected Power on/off switch S416 faulty/ mechanical broken Check if 3,2V on R413 drops of 0V during pressing the Power on button L102 poor soldering Check the soldering of L102 Check the resistance in "off mode=0 "...
No flash update possible/ Doesn't switch on Doesn't switch on, section: FLASH (update not possible) "MCU boot failure" appears during flashing Swap phone, Change FLASH same because MAD or and try to update massage PCB should be the again reason no massage phone is oK version 1.0 / 05.11.1999...
D301 Flash faulty If the handset switches it self off, change the switch of the service frame to local mode Check the 32,768KHz Sleep clock signal on C149 Check the 13MHz main clock oscillator on C301 800mVpp Check the VBB voltage on C117 If power consumption is approximately 20mA try to flash the phone If you get a error message during the flashing process, change the flash and try it again D302 RAM faulty/ poor soldering...
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error message/ beep is coming from phone if charger is pluged in failed Charge voltage failed Battery voltage failed version 1.0 / 05.11.1999 CONFIDENTIAL Not charging (2) Do the energy Try to charge after management calibration calibration not oK Check the Check BTEMP A/D connection in ADC readings...
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If you are using wintesla NSE8/9 DLL 2.41.03 or lower version the error message "current calibration fail" will appear in every charge tuning calibration test! See Service manual chapter "service software instructions" page 19 (Energy Management Calibration) X503 System connector faulty Check the mechanical appearance of the connector Clean the contacts on the board or change the connector if necessary F100 faulty...
Low stand by time/ operation time check power consumtion of the phone: off state > 0-1mA sleep mode > 2-8mA call mode GSM 900 / GSM1800 > 0-1A check the charging circuit, check energy not oK management calibration Calibrate RX and TX not oK values of the phone Note: The standby time depends also on the network side, like: PRP (paging repeat...
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C111, C115, C113 faulty Check the current consumption in different operation modes (refer to the table below) Check if the high current consumption comes from the VB, Vout or output voltages of CCONT Disconnect coil by coil L105 ( N702) L505, L506 ( PA's) and check consumption again Check and disolder C111, C115 and C113 calibrate Battery value if charging stops to early or battery is to hot after charging (see also chapter "Not charging)
Phone switch it self off Phone intermittend switches off Check if this happens only with 5V SIM-cards and if the phone works probably with 3V SIM's not oK Check the 5V supply voltage on C136 with an oscilloscope not oK Change C131 if the noise is higher than 350mVpp...
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CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 2: Measurement point J343 COBBA RESET version 1.0 / 05.11.1999 Page 14 of 37...
Contact service COBBA parallel /serial bus fail Contact Service Check via WINTESLA / Testing / Selftest which kind of selftest is fail COBBA parallel/ serial bus failed check COBBACLK Check 13MHz RFC 13MHZ/ 3,2Vpp on not oK J201 because MAD or PCB should be the reason check soldering or check VBB 2,8V on...
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SWAP the handset because MAD is not changeable Note! Rewrite SIMLOCK and IMEI entries with use of the Nokia security SW (SSSW) and make a SW-update or send this phones to the SACE, if this procedure is not permitted to you...
Contact Service-CCONT interface fail Contact Service Check via WINTESLA / Testing / Selftest which kind of selftest is fail CCONT interface failed Check if PWRON 3,2V drops to 0V on R413 during pressing the power button Check the 32.768KHz square wave on C149 Check if PURX goes up to 2,8V DC on R303 Check if VCXOPWR goes...
N100 CCONT Faulty Check if 3,2V on R413 drops to 0V during pressing the Power on button Check if there is a 32.768 kHz square wave on C149 Check if PURX on R303 goes up to 2.8 V DC Check if VXO on C102 goes up to 2.8 V DC Check if VBB on C117 goes to 2,8V DC Check if Vref on C123 goes to 1,5V DC Change the CCONT...
SACE Note! Rewrite SIMLOCK and IMEI entries with use of the Nokia security SW (SSSW) and make a SW-update or send this phones to the SACE, if this procedure is not permitted to you...
Buzzer failures check buzzer control signal from MAD 2,8Vpp on N400 pin 3, use WINTESLA / not oK testing / audio / level 1, 1000Hz Check 3,9V DC VDC_OUT on pin 1 of N400 and "+" of not oK B400 check buzzer signal 5Vpp on pin 6 of N400 and "-"...
Internal audio failures speaker doesn't work (receiving audio) microphone doesn't work change N200 COBBA version 1.0 / 05.11.1999 CONFIDENTIAL Internal audio failure check connection between L202, L203 not OK change L202 or L203 to earphone pads (0 Ohm) check the mechanic not OK change speaker impedance of...
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SWAP the handset because MAD is not changeable Note! Rewrite SIMLOCK and IMEI entries with use of the Nokia security SW (SSSW) and make a SW-update or send this phones to the SACE, if this procedure is not permitted to you version 1.0 / 05.11.1999...
Display failures missing line segments or no display function no display back light Black lines on the display or no display function Check if the display have some mechanical breaks around the corners Check VBB 2,8V DC on C400 and R420 Change the Display version 1.0 / 05.11.1999 CONFIDENTIAL...
Figure 5: Faulty display No display back light Check VDC_OUT 3,2V DC on V406, V409, V412, V413 Check the LCD line pin 9 of N400 and cathode of V406, V409, V412, V413 Light "on"=1,2V DC ; "off"=1,9V DC. (Use Wintesla/ Testing/ userinterface/ 1.Test Pattern "on") Check the LCD_light enable line on pin 7 / N400, LCD_LIGHT "on"=2,8V DC Check the resistor R415 12K pin 8 / N400 to ground Keypad failure...
Keymat mechanical faulty Check the bottom of the keymat if no pins are broken or mechanical damaged Board / Dome-sheet soiled If there are only one or two keys without function, check and clean the board and dome-sheet if soiled Board failure If there are four keys without function and all of them are on them same ROW or COL line, check the connections between the keys and ground...
(SSSW) or send those phones to the SACE correct the SIM LOCK if SIMLOCK is not settings with use of active, but the Nokia security SW phone still doesn't (SSSW) after accept SIM, changing of COBBA change N200, or send those phones...
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Change COBBA if all SIM LOCK entries and SIM-CARD signals from CCONT are OK Note! Rewrite SIMLOCK and IMEI entries with use of the Nokia security SW (SSSW) and make a SW-update or send this phones to the SACE, if this procedure is not permitted to you version 1.0 / 05.11.1999...
Recommendation for repair actions in the RF- area To prevent some additional faults please take care of following recommendations for repairing the RF-area Don't use so much flux that it will go through the board and soiled the keyboard area Clean after every repair time the rest of the flux from PCB Don't make any loose wiring connection on the board To change some components it is necessary to remove the shield from the PCB, use matching nozzles for the...
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Z701 faulty / poor soldering check the outgoing 13MHz IF on pin 30 N700 (SUMMA) check the input 13MHz IF on pin 25, 26 N700 (SUMMA) . The attenuation between input and output is 20dBm check the 13MHz IF on Z701, around 5dBm attenuation between signal-in and signal-out check the soldering of Z701 or change it check R717, R718, R719, C706 and the line resistance to ground (10K with all components) G700 UHF Oscillator faulty...
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In this case swap the handset because MAD is not changeable Note! Rewrite SIMLOCK and IMEI entries with use of the Nokia security SW (SSSW) and make a SW-update or send this phones to the SACE, if this procedure is not permitted to you version 1.0 / 05.11.1999...
Figure 10:RX-Control Signal Call breaks / No service G701 13MHz Oscillator out of range or high spurious emission Set the handset to call mode, check if some phase and frequency errors appear special in GSM 1800 band The deviations will be higher the higher the traffic channel is! Change the G701 13MHz Oscillator COBBA N200 broken solder balls Check VBB 2,8V DC on C117 near to CCONT...
The pictures indicate a typically case of broken solder ball under the μBGA. On the right you can see the little part of the COBBA IC view with a microscope. The PCB is on the top, and the COBBA are with the body to the bottom of the picture.
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CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 11:TX-Control Signal version 1.0 / 05.11.1999 Page 35 of 37...
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Change history Originator Status Version Jose Draft Marquez Draft approved version 1.0 / 05.11.1999 CONFIDENTIAL Date Comment 22.10.1999 First draft version for the repair group 02.11.199 Insert comments from the repair team, add layout "Test Points" 05.11.1999 First AMS version Service &...