CONFIDENTIAL Service & Analysis Center Europe Training Team version 1.0 / 05.11.
CONFIDENTIAL Service & Analysis Center Europe Training Team Introduction IMPORTANT: 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. I will also give support to the inexperienced technicians. Saving process time and improving the repair quality is the aim of using this document.
CONFIDENTIAL Service & Analysis Center Europe Training Team Contents INTRODUCTION 2 DOESN'T SWITCH ON 4 NO FLASH UPDATE POSSIBLE/ DOESN'T SWITCH ON 7 INTERMITTENT DOESN'T SWITCH ON 8 NOT CHARGING 8 LOW STAND BY TIME/ OPERATION TIME 11 PHONE SWITCH IT SELF OFF 13 CONTACT SERVICE COBBA PARALLEL /SERIAL BUS FAIL 15 CONTACT SERVICE-CCONT INTERFACE FAIL 17 CONTACT SERVICE – EEPROM CHECKSUM FAIL 18 CLOCK TIME OR USER SETTINGS PROBLEMS 19 BUZZER FAILURES 20 INTERNAL AUDIO FAILURES 21 D
Service & Analysis Center Europe CONFIDENTIAL Training Team Doesn't Switch on Phone doesn't switch on, section: DC / DC converter Check VB (Battery 2,4V-3V) on L102 No check connector X101/ X102 change if bend or soiled No resolder or change L102 No Swap the phone if the connection is open No check V109 and the respective voltage deviders R131,132,134,143,144 No Check 600KHz switching frequency on Pin 4,5,12,13 of V105 Yes check the solderings and resistance of L102 "0Ohm" Yes check the c
Service & Analysis Center Europe CONFIDENTIAL Training Team Phone doesn't switch on (CCONT part) check if PWRON (3,2V DC) drops to 0V during pressing the pwr button on R413. No change S416 if it is mechanical broken No change B100 if frquency or amplitude of the singnal in not oK No change N100 No change N100 No MAD is faulty in all probability.
CONFIDENTIAL Service & Analysis Center Europe Training Team 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=0Ω" Resolder L102 or change it N100 CCONT faulty • • • • • • Check if 3,2V on R413 drops of 0V during pressing the Power on button Check if there
Service & Analysis Center Europe CONFIDENTIAL Training Team No flash update possible/ Doesn't switch on Doesn't switch on, section: FLASH (update not possible) Change the switch of service frame/ battery to local, if phone switches itself off oK Check 32,768KHz sleep clock on C149 wrong continue with section CCONT wrong continue with section CCONT wrong continue with section CCONT oK Check 13MHz RFclk on C301 oK Check VBB 2,8V DC oK Try to flash the phone, if power consumtion is about 20mA
Service & Analysis Center Europe CONFIDENTIAL Training Team 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 • • • •
Service & Analysis Center Europe CONFIDENTIAL Training Team Not charging (2) error message/ beep is coming from phone if charger is pluged in Do the energy management calibration failed oK Try to charge after calibration not oK Check BTEMP A/D in ADC readings not oK (317=25°C) Check the connection not oK between R125 and R127 swap phone if there is a disconnection oK check NTC resistor R127 (47Kohm) Charge voltage failed Yes Check VCHAR on voltage devider R100 / R101 (10:1) =0,8V oK Change
CONFIDENTIAL Service & Analysis Center Europe Training Team If you are using wintesla NSE8/9 DLL 2.41.
Service & Analysis Center Europe CONFIDENTIAL Training Team Low stand by time/ operation time Low standby/ operation mode time check power consumtion of the phone: off state > 0-1mA sleep mode > 2-8mA call mode GSM 900 / GSM1800 > 0-1A not Ok Lift L505 oK change N500 if consumtion is oK oK change N501 if consumtion is oK oK change corresponding if consumtion is oK oK check consumtion of N700 > lift R745 G700 > lift R741 G702 > lift R742 not oK Lift L506 not oK lift capacitors C111-113, C1
CONFIDENTIAL Service & Analysis Center Europe Training Team 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 chargi
Service & Analysis Center Europe CONFIDENTIAL Training Team 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 oK Check X101 and X102, if poor soldered, bent or soiled not oK oK Check the 5V supply voltage on C136 with an oscilloscope Check amplitude of 32,768KHz square wave at C149 not oK Resolder, change or clean the connector not oK Change or check soldering of B100, C147, C148, C153, N100 oK
CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 2: Measurement point J343 COBBA RESET version 1.0 / 05.11.
Service & Analysis Center Europe CONFIDENTIAL Training Team 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 Yes check COBBACLK 13MHZ/ 3,2Vpp on J201 not oK Check 13MHz RFC on C301 not oK check soldering or change G701, V702 oK swap the phone because MAD or PCB should be the reason oK check VBB 2,8V on C117 not oK check soldering or change N100, C117 not oK Change or che
CONFIDENTIAL Service & Analysis Center Europe Training Team N200 COBBA faulty /solder balls broken • • • • • • • Check VBB 2,8V DC on C117 near to CCONT Check VCOBBA 2,8V DC C148 near to COBBA Check COBBACKL 13MHz 3,2Vpp on J 201 (see the diagram below) Check COBBA reset impulse during the initialisation routine on J343 (see the diagram below) Change COBBA and write the IMEI and SIM-LOC DATA back to the phone If the error persist, the MAD or the Board should be the reason SWAP the handset because MAD is
CONFIDENTIAL Service & Analysis Center Europe Training Team Contact Service-CCONT interface fail Contact Service Check via WINTESLA / Testing / Selftest which kind of selftest is fail CCONT interface failed Yes Check if PWRON 3,2V drops to 0V on R413 during pressing the power button No Check soldering or change R413, S416 No Change or check soldering of B100, C147, C148, C153, N100 Yes Check the 32.
Service & Analysis Center Europe CONFIDENTIAL Training Team 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.
CONFIDENTIAL Service & Analysis Center Europe Training Team D303 Eeprom faulty • • • • • Check with wintesla if IMEI or product data are corrupted Check 2,8V DC on pin 8 of Eeprom Don't use the "Full factory set" with wintesla, otherwise the Original IMEI will be change to "65656565…" Change the Eeprom if it's permitted to you and write all ID data (IMEI, product code…) back If you aren't allowed to change the Eeprom and the IMEI is missing, write a note with a little comment, and send it together with t
Service & Analysis Center Europe CONFIDENTIAL Training Team Buzzer failures Buzzer failure check buzzer control signal from MAD 2,8Vpp on N400 pin 3, use WINTESLA / testing / audio / level 1, 1000Hz not oK swap the phone because MAD or PCB should be the reason not oK Check connection to VDC_OUT on V105 pin 1, 16 not oK check VBB 2,8V DC on pin 2 of N400 oK Check 3,9V DC VDC_OUT on pin 1 of N400 and "+" of B400 oK check buzzer signal 5Vpp on pin 6 of N400 and "-" of B400 (use same settings) o
Service & Analysis Center Europe CONFIDENTIAL Training Team Internal audio failures Internal audio failure speaker doesn't work (receiving audio) Yes check connection between L202, L203 to earphone pads (0 Ohm) not OK change L202 or L203 not OK check the resistance between the lines and gruond >1MOhm OK microphone doesn't work Yes check the mechanic and impedance of speaker (about 30 Ohm) not OK change speaker check contacts and impedance of microphone (800 Ohm) not OK change microphone
CONFIDENTIAL Service & Analysis Center Europe Training Team L202, L203 faulty • Check resistance from L202, L203 to the earphone pads normal 0Ω • Check the resistance also from L202,L203 to ground and between both lines (normal high resistance >1MΩ) Speaker No / quiet / distorted receiving audio signal • Check the mechanic of speaker, contacts, membrane, soiling • Check resistance of speaker (about 30Ω) Microphone No / quiet / distorted transmitting audio signal • Check contacts of microphone Check resi
Service & Analysis Center Europe CONFIDENTIAL Training Team Display failures Display failure missing line segments or no display function Yes check the display of mechanical appearance oK not ok Check VBB 2,8V DC on C400 and R420 no display back light change the display not oK check the VBB voltage on V117 check VDC_OUT Yes 3,2VDC on V406, V409, V412, V413 oK oK check the LCD_LED line pin 9 N400 to V406, V409, V412, V413 "on"=1,2V DC/ "off"=1,9V DC oK faulty swap the handset because th
CONFIDENTIAL Service & Analysis Center Europe Training Team 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.
CONFIDENTIAL Service & Analysis Center Europe Training Team 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 If any line is interrupted between the Keys, swap the
CONFIDENTIAL Service & Analysis Center Europe Training Team X100, SIM card reader • • Check soldering Check contacts (change connector if bent) N100, CCONT • Check SIM card –DATA ( Pin 4 SC-reader), -Clock 3,25MHz (Pin 3 SC-reader), -Reset (Pin 2 SC-reader) and VSIM 3V/5V DC (Pin 1/5 SC-reader) depends to the SIM card V112 • • Change component if SIM -DATA, -Clock, -Reset or VSIM is short circuited to ground Check also R115, R116, C137, C138, C139, C140, C141 for short circuit or not capacity SIM ca
CONFIDENTIAL Service & Analysis Center Europe Training Team • • • If message "SIM Card not accepted" appears on LCD after entering PIN code, a SIM LOCK is probably activated in this phone Or COBBA has been changed and not reprogrammed with the SIM-LOC DATA Initialise phone into normal mode and activate Quick/ RF-info (WINTESLA) compare the SIM LOCK entries with the references from the operator.
CONFIDENTIAL Service & Analysis Center Europe Training Team Product Code NSE-8 Figure 6: List of current SIM LOC phones NSE-8 Product-Code NSE-8 SIM-LOCK-DATA 0503478 Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin 0503566 0503565 0503564 0503567 0503298, 0503299 0503593 0503594, 0505102 0503575 0503576 0505105 0505100 0505101 050
CONFIDENTIAL Service & Analysis Center Europe Training Team Product-Code NSE-8 SIM-LOCK-DATA 0505109 Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin Mcc+Mnc Msin 0505111 0503708 0503706 0503707 0503785 0503788 0503825 0503826 0503827 version 1.0 / 05.11.
CONFIDENTIAL Service & Analysis Center Europe Training Team 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 matchin
CONFIDENTIAL Service & Analysis Center Europe Training Team 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) .
CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 8:PLL-SDAT Signal Figure 9:PLL-SENA Signal No RX (no Rx calibration…RSSI reading fixed value) COBBA / MAD faulty /broken solder balls • Check if the 13MHz IF on pin 23,24 N700 SUMMA change the amplitude if you change the generator frequency level • Check if the RXC impulse on pin 36 N700 (SUMMA) change the amplitude if the generator frequency level is modified (see the diagram below) (change the operation mode first to "RX BURST MODE") •
CONFIDENTIAL Service & Analysis Center Europe Training Team 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 Check VCOBBA 2,8V DC C148 near to COBBA
CONFIDENTIAL Service & Analysis Center Europe Training Team 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. The picture below shows a broken ball view through a X-ray machine No TX-Power or to low See also the troubleshooting chapter 4.GSM transmitter and 5.
CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 11:TX-Control Signal version 1.0 / 05.11.
CONFIDENTIAL Service & Analysis Center Europe Training Team Change history Originator Jose Marquez Status Draft Version 0.2 Date 22.10.1999 Comment First draft version for the repair group Draft 0.3 02.11.199 approved 1.0 05.11.1999 Insert comments from the repair team, add layout "Test Points" First AMS version version 1.0 / 05.11.
CONFIDENTIAL Service & Analysis Center Europe Training Team Measurement points NSE-8 J304 / _RP J302 / OE J301 / _CE J346 / _WD J303 / _WE J312 / JTDI J316 / CO Emu0 J317 / CO Emu1 J311 / JTDO J200 / RX Ref J321 / Sim Pwr J340 / VXO Pwr J349 / P J310 / Charge off J325 / Sim Det J322 / SIM IOC J338 / CCONT Init J320 / Gen Sclk J323 / Sim Clk J342 / Q DATA J339 / Gen Sdio J201 / RFI Clk J324 / Sim Rst J343 / DSP J337GenCCONTCS J341 / I DATA J309 / Rom SelX J344 / COBBA J308 / DSP XF J345
