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npe-4_npl_1_repair_V3_0-May23-1153212015-05

1. NMP 2003 Checked by SCCE Training Group Spectrum ok Marker 13 FEF 10 0 dBm e 10dB ATT O dB A_ wrt B_blnk Horm Hormal Marker Horm Delta Marker Peak Meru Sig Track OW OFF Sound F Marker Off SPAN O00 kHz 1 2 moret SWIP SOO ms CENTER 1 7478000 GHz RBM 10 kHz VBM 1 kHz Approved by SCCE NOKIA CONFIDENTIAL 24 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Oscilloscope settings T 1 0 at C715 716 3 000 Ampl 500mV 2 500 Time Div 1ms Div sani AC DC GND DC l 1 500 1 000 0 500 0 000 0 500 1 000 O rms 1 ma Diy If one of the four TX I Q signals is missing or too low TX IN TX IP and TX QN TX QP check R713 on both sides If TX I Q signals towards UEM D200 are not ok UEM or PWB is faulty If one of the voltages described is missing probably UEM D200 is faulty If all signals towards RF IC N601 are ok change Mjoelner N601 No TX 1800 1900 Check VAPC_DCS signal at R821 see picture below Use Phoenix and open menu Testing RF controls Set phone to TX 1800 Powerlevel 0 or 15 YPD_1800 powerlevel 0 At R821 Oscilloscope settings 300 0 250 0 Ampl 50mV 200 0 Time Div 2ms Div 150 0 AC DC GND DC mv 100 0 50 0 0 0 Powerlevel0 so 100 0 O ms 2 ms Div VPD_1800 Powerleyel 15 at A821 300 0 250 0 200 0 150 0 Powerlevel15 10 50 0 0
2. 0 50 0 100 0 O me 2 meDy If there is no signal measureable check R821 R820 and 832 for cold or broken solderings and resolder or change if necessary If all three components are ok change N601 Mjoelner NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL NPE 4 6310 NPL 1 63101 Customer Care Europe Middle East amp Africa SCCE Training Group Date 22 04 2003 Flowchart No Service Drop calls _ No 1X 1800 1900 J v Insert TestSim into phone and establish a connection at all GSM Bands with e g CMD Make a call and find out which Band No Service 25 29 Repair Hints Version 3 0 Approved is faulty Pa GSM 1800 1900 not ok Callin Set Phone to TX Mode lt all GSM Bands nOK GSM 1800 1747 8MHz possible lt Ch 700 Powerlevel 15 Da ae OK Set phone to Local 1 J and check with HF Bit A ae Check N801_ Probe IX spectrum at lt 4n0K error rate gt a VAPC_DCS alg nal b OK gt Bonur U Ea a No k Pa B at R821 with Pa erie R819 GSM1800 1900 y Eaua q J difficult to measure Check ca ble A on 7 connection ak Spectrum 2 nOK between phone ok A and e g CMD ee L OK nOK Tune TX I Q and i IX poer gt lt Spectrum a K Phone ok nOK v Check following signals and v N 7 voltages VIO 1 8VDC at R630 7 gt UEM D200 faulty OK VR1A 4 7VDC at R623 VR2 2 8VDC at C622 OK gt Chan
3. 0 576 O ms 1 ms Div If not ok check 67 71 kHz at C714 DtoS and Biquad filter Order of measurement points at C714 counted from N600 Hagar side pins 3 4 Dtos I Q pins 1 2 Biquad CM_F and CP F I Q DtoS Biquad Oscilloscope settings Am p 5 0 0 mV DE nanei en akman a a ihi ded iceedl ich aiia bd Time Div 200 Us Div E m yp HI PT fh AANA ANAT AC DC GND DC If the signal is not ok check in GSM the RX signal 942 4 MHz at channel 37 RF level 55 dBm at L626 If the signal is not ok check in PCN the RX signal 1842 4 MHz at channel 700 RF level 55 dBm at L616 If both RX signals not ok check RX lines from N600 Hagar to X802 antenna connector for shorts or disconnections Check the following voltages Check VR4 2 8 VDC at C601 Check VR5 2 8 VDC at C604 Check VR6 VBB 2 8 VDC at C605 Check VR1A VCP 4 7 VDC supply for control voltage VC for SHF oscillator at C600 Check VR7 2 8 VDC at C299 supply voltage VCC for SHF oscillator Check VREFO1 and VREFO2 1 35 VDC at R726 If one of the voltages described above is not ok check UEM D200 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA Customer Care Europe Middle East amp Africa SCCE Training Group Flowchart No service gt no RX CONFIDENTIAL NPE 4 6310 NPL 1 6310i 16 29 Repair Hints Version 3 0 Approved Date 22 04 2003 No Service No RSSI v Set Phone to RX Burst Mode Set
4. 1532 Printed 10p 10V LRB 2 BT since IMEI number 2320481 2610003 0630271 350780 20 794982 0 fal 4370841 UEM_K 1711 Printed 10y 6V3 LRB 4 BT202 since IMEI number 2320481 2313213 070079 350984 20 939669 7 al 4370825 2x 2 2kohm 1620105 R169 2x 2 2kohm 1620105 New UEM versions The UEM HW has changed from version 4 4 to 6 and from version 6 to UEM_K According to the different UEM versions there are some important component changes which are related to the different HW versions In case the 207 is defect it must be replaced with the correct value of the capacitor this depends on the UEM version installed see Table See also SB 020 NPL 1 Value change of R133 amp R134 If it is necessary to change R133 or R134 use new values for the resistors and change always both resistors See table See also SB 020 NPL 1 Replacement of C164 with R169 Reduce noise on Headset HDC 9P Since HW version 1532 the 164 is replaced with R169 to reduce noise on Headset HDC 9P poor field strength But the change must be done also in older HW versions HWID 1530 or lower Therefore it must be carried out on type label if the IMEI is lower than 350780 20 794982 0 Optionally it is possible to check HWID with Phoenix service software in Menu Phone Information See also SB 021 NPL 1 New Bluetooth module BT202 Since HW version 1711 the Bluetooth module LRB 2 is replaced with LRB 4 See also SB
5. Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 NPE 4 6310 amp NPL 1 63101 Carkit problems Daimler Chrysler amp Mercedes Benz Phone not connected or Phone error If Phone not connected or Phone error appears on the display while the phone charges it is necessary to find out the version of interface box DME 1 This can be done by checking the product code on the label Only the new version Ramses 6310 works with NPE 4 6310 amp NPL 1 63101 phones see table Ramses Ramses 6210 Ramses 6310 Product type DME 1E DME 1E DME 1E Customer No A 203 820 32 26 A 203 820 99 26 A 203 820 25 85 Product code 0630231 0630427 0630589 or 0630587 If new interface box version is needed the customer should contact his Daimler Chrysler Dealer to get an upgrade Kit Note It is also necessary to update the phone with the latest MCU SW version 5 01 6310 and 5 50 6310i or later versions See therefore SB 038 for 6310 and SB 030 for 6310i Problems solved by the MCU SW 5 50 The following fault descriptions are solved by the latest MCU SW 5 50 Switch to a defined Profile not possible In this case it is not possible to switch the profile to one from the user defined profile Menu settings accessory settings hands free default profile e g general No ringing tone in Carkit This problem could occur if a user switches th
6. MHz Counter FEF 10 0 dBm ATT O dB wrt B_blnak EB Horm Horm kes Marker 1kKHz HARKER 26 0000 MHZ 14 080 dem Fes 26 0000 MHZ Masa kes 10Hz Figure 26 MHz kes 1Hz Frequency Counter 1Hz 20 999 998 MHz CENTER 26 0000 MHz SPAM 200 kHz REBM 10 kHz VBM 1 kHz SWP SOO ms If the frequency drift is higher than 100Hz check VR3 VCC 2 8 VDC at R740 and check AFC 1 3 2 3 VDC at C744 If not ok check UEM D200 Check if fault is getting stronger by pressing the top of the 26MHz oscillator G740 Change 26MHz oscillator if necessary Check 13 MHz 100Hz at C424 with spectrum analyzer see figure 13 MHz Freq FEF 320 0 dBm ATT S0dB wurt EB_blnk cdE r orm Horm center CEHTER 13 0000 HHz Start Stop Figure 13 MHz CF Step AUTO MNL Feak F CENTER 13 0000 MHz SPAM 200 kHz RBM 10 kHz VBM 1 KHz SWP 1 0 If not ok check change Hagar N600 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 14 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 No service Memory problem Set phone to local mode with Phoenix Check RX calibration in GSM PCN in Menu Tuning RX Calibration If not ok refer to chapter No Service No RX Check TX power in GSM PCN in Menu Tuning TX power If not ok refer to chapter No Service No T
7. RF Generator to Ch 37 RX level 55 dBm Set Spectrum Analyzer to RX EGSM 942 4 MHz we f P N 500 mV Time base _ Check RX line to X102 antenna connector for shorts or disconnections J A HN lt Check 2 PCN RX Signal 1842 4 MHz Ch 700 on at L616 ra r a OK RX I Q Signal 67 71 kHz gt nok RX Signal 942 4 MHz gt r i Ss we NN Check D200 gt UEM 7 Vpp 1 1V at C721 set Ss OK oscilloscope to DC Mode Te NN SY nOK 4 a ame a x a i ch eck he j yer Check N P N Ch N600 lt Dtos67 71 kHz gt okp lt CPF I O BIQUAD ok p ie N at C714 S 67 71 kHz C agar s S N Ye we Cheek Fite NN la broken Pa Suig Change C714 solderings he PA NN Ps n i gt Check G740 26 MHz nOK OK N Pa Check S a following voltages lt Sys CLK26MHZ lt lt pa 2 8 VDC at C601 ae f Change N600 oscillator circuit J Check Change N Hagar y W 07 pa at C605 lt 1 ae N600 Hagar fa _VR3 2 8 VDC at C602 VR1A 4 7 VDC l at C600 VR4 2 8 VDC at C601 a VR5 2 8 VDC at C604 VR6 2 8VDC lt UEM P at C605 VR7 2 8 VDC at R630 l l NMP 2003 lt RFCIk13 MHz gt at C424 x OK nOK we Check aw following voltages i v Sa a Check D200 nOK VREFRFO1 amp VREFRFO2 i N 1 35 V a
8. Version 3 0 Approved SCCE Training Group Date 22 04 2003 Totally dead voltages and signals to check To make the following measurements it is necessary to press the power switch button on several times otherwise all Signals and voltages are only visible for around 250ms except VBATIN Check VBATIN 3 6 VDC at L260 depends on workbench supply If not ok check X101 X102 battery connectors for mechanical damages or cold solderings Refer also to chapter Additional information Different battery connectors Check 32 768 kHz sinewave Vpp 800 mV at C210 see picture below 800 00 600 00 Oscilloscope settings Am pl 2 00mV 200 00 Time Div 10us Div _ AC D C G N D AC 200 00 400 00 600 00 800 00 Ops 10 ps Div If there is no signal check B200 circuit for shorts or disconnection and change faulty components Check PWRONX at S300 pin 2 4 Key not pressed 3 6 VDC depends on Workbench supply voltage Key pressed 0VDC If not ok check PWRONX line from S300 to UPP D400 for shorts or disconnections Check SleepClk 32 768 kHz Vpp 1 8 V square wave at J404 see picture below SleepClk 32 768kHz at J404 2 000 1 500 Oscilloscope settings 1 000 Ampl 500mV Time Div 10us Div AC DC GND AC 1 000 1 500 2 000 Ops 10 ps Div If not ok check 32kHz B200 circuit for shorts or disconnections NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA Customer Care
9. basically this tests the CBUS lines data clock enable between UEM and UPP 3 1 19 ST_PA_TEMP_TEST This function tests whether PA temp line AD conversion is within reasonable limits This means that the value is not at the bottom or top end of the scale First several raw values of the temperature PATEMP are read Then the average is calculated and compared to the limits If temperature is within the limits the result is ST_OK If temperature is outside the limits the result is ST_FAIL In a word this tests the PATEMP line between the UEM and RF 3 1 20 ST_RADIO_TEST This function provides a method to turn on the radio and verify that the radio chip is present If the detection fails the chip will automatically turn off power If radio supply voltage VFLASH2 is missing or FMCtriClk and FMCtriDa lines are not working the result is ST_FAIL If the radio chip is present and working the result is ST_OK NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 29 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 CHANGE HISTORY TS Training Draft 17 04 2002 First draft version for the repair group Group TS Training Approved 1 27 05 2002 Approved version Group P training Draft 09 08 2002 NPL 1 chapter added Group TS Training Approved 2 15 08 2002 Approved version Group 7 Carkit
10. 003 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 NPE 4 6310 NPL 1 6310i It contains a lot of collected tips and hints to find faults and repair solutions easily It also will give support to inexperienced technicians Saving process time and improving the repair quality is the aim of using this document It is based on fault symptoms listed in Contents followed by detailed description for further analysis It is to be used additionally to the service manual and other service information such as Service Bulletins Ffor that reason it does not contain any circuit descriptions or schematics All measurements are made by using the following equipment Nokia repair SW Phoenix Phoenix Application 04 13 005 Flash SW CMT 5 01 6310 5 50 63101 Test Jig MJS 40 Docking station JBV 1 Docking Adapter MJF 9 Digital Multimeter Fluke 73 Oscilloscope Fluke PM 3380A B Spectrum Analyzer i Advantest R3162 with an analogue probe RF Generator CMU 200 GSM Tester While every endeavour has been made to ensure the accuracy of this document some errors may exist If the reader finds any errors NOKIA should be notified in writing using the following procedure Please state Title of the document issue number date of publication Page s and or figure s of error Please send to Nokia GmbH Technical Services
11. 026 NPL 1 Note LRB 4 cannot be replaced with LRB 2 or vice versa NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA Customer Care Europe Middle East amp Africa SCCE Training Group No service Drop calls No TX 1800 1900 CONFIDENTIAL NPE 4 6310 NPL 1 6310i 23 29 Repair Hints Version 3 0 Approved Date 22 04 2003 Insert test SIM into the phone and try to establish a connection at GSM900 1800 and 1900 with a CMD for example If a connection is established try to make a call Find out which TX band is faulty If a connection is possible in GSM900 only refer to No GSM1800 1900 later on in this chapter Drop calls If in all GSM Bands a connection is possible but the bit error rate is too high and the connection is bad set phone in local mode and check TX spectrum at R805 GSM900 see picture below Bad spectrum Jul 10 11 08 57 Contigt 13 FEF 0 0 dBm ATT 10dE A wrt B_blnak 1 dE Horm Horm Copy Dew Marker FOc O013 1 7478000 GHz 71 56 dBm Printer Contig F Disk Contig GPIB Set Up RS232 Time Date CENTER 1 7478000 GHz SPAN 400 kHz RBM 10 kHz VBM 1 kHz SWIP SOO ms If the spectrum is not ok check following measurement points VIO 1 8VDC at R630 VR1IA 4 7VDC at R623 VR2 2 8VDC at C622 VR3 2 8VDC at R610 VR4 2 8VDC at 296 VR5 2 8VDC at R628 VR7 2 8VDC at 299 1 2 more F TX I and Q at C715 C716 on both sides see picture below
12. 3 ST_RF_CHIP_ID_TEST This is the product specific self test Each product makes its own implementation This test checks whether the ID register on the RF Chip can be read and that it contains reasonable values Usually this is done by asking RF Chip ID from DSP In a word this tests the RFBUS lines data clock enable between the UPP and RF part 3 1 14 ST_WARRANTY_TEST This function tests the Warranty Information State If WIS is not WT_INFO_STATE_DEF the result is ST_OK If WIS is WT_INFO_STATE_DEF the result is ST_FAIL 3 1 15 ST_FLASH_CHECKSUM_TEST This function calculates the checksum over flash ROM areas and checksum is compared to precalculated checksum in flash header If checksums are the same the result is ST_OK If checksums are not same the result is ST_FAIL 3 1 16 ST_LCD_TEST This function tests the connection of LCD by checking voltage level of VLCD If voltage level is ok the result is ST_OK If voltage level is not ok the result is ST_FAIL 3 1 17 ST_IR_IF_TEST This function performs a self test on the IR device The test checks that IR energy is looped back when the module is Operating normally 3 1 18 ST_UEM_CBUS IF TEST This function checks that the connection to UEM via CBUS works First the value is written to UEM register and then it is read back The written and read values are compared with each other If the values are the same the result is ST_OK If the values are not same the result is ST_FAIL So
13. CIATTE e000 Oscilloscope settings afl i in Ampl 500mV p N me Time Div 1ms Div pn Se ee ee ee ii on ee AC DC GND DC aso 100 me 1 mee If the TX I Q signal is not ok check UEM D200 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL NPE 4 6310 NPL 1 6310 Customer Care Europe Middle East amp Africa SCCE Training Group Date 22 04 2003 Check TXC at C761 power level 19 and 5 See picture below Oscilloscope settings Ampl 500mV Time Div 10ms Div AC DC GND AC 18 29 Repair Hints Version 3 0 Approved Power level 19 Power level 5 me TAL prag k 15 at 1 ieee TR poe bevel Sat COI s iW z 14m 128 7 uan 0 790 D4 pman s a _ ozo nT o do f E CSA E o Ir L ace If the TXC signals are not ok check UEM D200 Check TXP signal at J760 See picture below Te al Jl Oscilloscope settings ait Ampl 500mV 228 Time Div 1ms Div a AC DC GND AC N ai i ma L jag POPON PE E E ee ae eee E eee Ome Doris Lie If the TXP signal is not ok check UPP D400 Check System Clk 26 MHz at C752 see picture at chapter Electrical faults Totally dead If also the System Clk is ok check the following voltages Check VR3 2 8 VDC at C602 supply voltage for 26 MHz oscillator G740 Check VR4 2 8 VDC at C601 Check VR5 2 8 VDC at C604 Check VR6 VBB 2 8 VDC at C605 Check VR1A VCP 4 7 VDC at C600 control voltage VC for SHF oscillator Check V
14. E amp A Meesmannstr 103 D 44807 Bochum Germany Email training sace nokia com Copyright Nokia Mobile Phones This material including documentation and any related computer programs is protected by copyright controlled by Nokia Mobile Phones All rights are reserved Copying including reproducing modifying storing adapting or translating any or all of this material requires the prior written consent of Nokia Mobile Phones This material also contains confidential information which may not be disclosed to others without the prior written consent of Nokia Mobile Phones NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL NPE 4 6310 NPL 1 63101 Customer Care Europe Middle East amp Africa Repair Hints 5 29 Version 3 0 Approved SCCE Training Group Date 22 04 2003 Contents PREFACE GENERAL 2 CHAPTER 1 Additional information 6 BB shield removing instructions 6 Different battery connectors T Auto power off T NPE 4 6310 amp NPL 1 6310i 8 CHAPTER 2 CarKit problems 8 Phone not connected or Phone error 8 Problems Solved by the MCU SW 5 50 only NPL1 8 CHAPTER 3 Totally dead Does not switch on 9 Check current consumption 9 Flash the phone 9 Voltages and signals to check 10 NPE 4 6310 12 CHAPTER 4 Electrical faults 12 Drop calls 12 No service memory problem 13 No service no RSSI 13 RX flowchart 15 No service no TX 16 TX flowchart 18 D
15. Europe Middle East amp Africa SCCE Training Group Check VCORE 1 8 VDC at C400 PURX 1 8 VDC at V130 Pin 44 If not ok check UEM D200 Check System Clk 26 MHz Vpp 800 mV at C752 for NPE 4 and at R618 for NPL 1 See picture below Oscilloscope settings Ampl 500mV Time Div 20ns Div AC DC GND AC CONFIDENTIAL NPE 4 6310 NPL 1 6310i 12 29 Repair Hints Version 3 0 Approved Date 22 04 2003 26MHz at C752 800 00 600 00 400 00 200 00 m 0 00 200 00 400 00 600 00 800 00 Ons 20 ns Div If not ok check 26 MHz G740 NPE 4 circuit B601 NPL 1 circuit This step is only for NPE 4 For NPL 1 phones go one step further Check RFCIk 13 MHz Vpp 600 mV at 424 If not ok check change N600 Hagar FRFCLK 13MHz at C424 800 00 600 00 400 00 200 00 m 0 00 200 00 400 00 600 00 800 00 Ons 50 ns Div Check VIO 1 8 VDC at C450 If not ok check VIO line to UEM D200 for shorts or disconnections and change faulty components Check VPP at 454 1 8VDC If VPP is not ok check C454 If UPP D400 is faulty change PWB because UPP is not changeable Check Vana at C278 2 8VDC If not ok check C278 if C278 ok UEM D200 will be faulty Change PWB as UEM is not changeable Resume Change Flash D450 in the following cases and if all signals and voltages described above are ok Mechanical damages see picture in Additional Information Example of broken Flash D450 on p
16. Hz nOK gt Check UEM D200 S Check 26 MHz gt circuit especially AS Y xO OK Check the 7 following voltages x _ VR2 2 8 VDC at C294 VR3 2 8 VDC C602 VR4 2 8 VDC at C601 i nOK he G740 Check UEM D200 VR5 2 8 VDC at C604 VR6 2 8 VDC at N C605 VR7 2 8 VDC at C299 we VrefRFO1 amp VrefRFO2 1 35 VDC at R726 VR1A 4 7 Vat R600 lt OK y Hagar N600 defective Checked by NMP 2003 SCCE Training Group p Approved by SCCE NOKIA CONFIDENTIAL 20 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Display too dark too bright When switching on the phone the display LED s V300 V303 V300 V303 see picture below show in different levels of brightness 2 This is caused by the use of different LEDs In this case change all LEDs and assemble the right ones with spare part code 4864293 Note When changing the LEDs first the RF frame has to be removed Be very careful when lifting the frame with hot air A little drift aside and some small components might be pushed away NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 21 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Hookswitch problems Sometimes n
17. NOKIA CONFIDENTIAL 1 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Repair Hints Service Level 3 amp 4 6310 63101 NPE 4 NPL 1 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 2 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 General How to use this document Place the colored schematics behind this manual Now you are able to follow these specifictions with graphical layouts and it is easier for you to find the components and measuring points General handling Be very careful when disassembling the NPE 4 NPL 1 while removing the A Cover from the Back Cover Refer to disassembling instructions at the service manual of NPE 4 NPL 1 Broken balls underfill BGA All replaceable not underilled BGA components must be renewed after removing Reflow with uncontrolled hot air fan is strictly forbidden The uBGA must be soldered with NMP approved BGA rework machines e g Zevac OK Metcal Martin only Check the soldering points after removing a UBGA Rework the oxidated solderings broken balls carefully by tinplating these areas with few flux and a hot soldering iron if it is necessary Before placing anew component remove the tin and clean the PCB e g with help of soder wic
18. R7 2 8 VDC at C299 supply voltage VCC for SHF oscillator Check VREFO1 and VREFO2 1 35 VDC at R726 If one of the voltages described above is not ok check UEM D200 If all voltages are ok change Hagar N600 NMP 2003 Checked by SCCE Training Group Approved by SCCE CONFIDENTIAL NOKIA Customer Care Europe Middle East amp Africa SCCE Training Group NPE 4 6310 NPL Date 22 04 2003 Flowchart No service no TX No Service No TX EGSM PCN a S v Set Phone to TX Mode EGSM 897 4 MHz Ch 37 power level 10 Set Spectrum Analyzer to TX EGSM 897 4 MHz Ch 37 r a lt Check TX a EGSM 897 4 MHz _ at R656 lt Set Phone to TX Mode PCN 1747 8 MHz Ch 700 power level 10 Set Spectrum Analyzer to PCN 1747 8 MHz CH 700 o lt PCN 1747 8 MHz OK gt at L602 Yo nOK nOK Check TX 0 _ 67 71 kHz signal at sae 19 29 1 63101 Repair Hints Version 3 0 Approved Check TX EGSM PCN path from Hagar to X802 antenna connector for shorts or disconnections j Probably N840 defective z s DN C764 and C766 at EN b o t h si d es a OK p A Ger Sc 7 lt TXPVDC gt 1 8V B Check UEM D200 CheckUPP at C760 with nOk oscilloscope OK Check TXC signal at C761 nOK gt D400 j J Ww ith oscilloscope a OK _ Check 26 M
19. X If RX and TX OK insert Test SIM and set phone to normal mode and start a Test call If not ok make a SW update and try connecting again If the fault persists after SW update rewrite IMEI and SIMLock settings Note Rewrite SIMlock and IMEI data by use of NOKIA SECURITY PASSWORD and make a SW update again if the procedure is permitted to you See General SB 037 No Service no RSSI Set the RF generator to GSM 942 4 MHz at channel 37 RF level 55 dBm and also the phone to the same frequency and channel Check System Clk 26 MHz at C752 how to check see figure 26 MHz at chapter Drop calls on page 12 If not ok check VR3 2 8 VDC at C602 and Vcon AFC 1 25 2 3 V if ok change 26 MHz osc G740 Otherwise go to next step Check RFCIk 13 MHz at C424 how to check see figure 13 MHz at chapter Drop calls on page 12 If not ok check change Hagar N600 Check RX I Q signals at C721 and C722 as described on next page see picture below NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 15 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Make the following measurements in burst mode with an oscilloscope in DC mode Fe 170 at C721 2 176 Oscilloscope settings ine 1 776 Ampl 200mV Time Div 1ms Div AC DC GND DC Y 1 376 1 176 0 976 0 776
20. age 7 IMEI not rewriteable or SIMLock Test fails Failure code messages after failed flash update Except codes C683 or C686 change Bluetooth module in this case After changing the Flash D450 rewrite product code HW ID IMEI and SIMlock settings If the fault persists probably UEM D200 is faulty and not changeable Change the PWB Note Rewrite SIMlock and IMEI data by use of NOKIA SECURITY PASSWORD and tune the phone again if the procedure is permitted to you see General SB 037 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 13 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 NPE 4 6310 Electrical faults Drop calls Disassemble the NPE 4 and the RF shield and then connect the PWB to the MJS 40 jig Insert a SIMcard and connect the coaxial cable to the tester e g CMD Now start a Call After the call is established check if the testers e g CMD analyzer display shows a frequency error If fault does not appear or appears intermittently only press on 26MHz oscillator G740 with a non metallic item If the frequency error appears or increases in this case probably the 26MHz circuit is faulty Open the Phoenix menu Testing RF controls and activate local mode RX GSM900 Check 26MHz 100Hz at C752 or R752 on spectrum analyzer and active frequency counter see figure 26
21. d see pictures on the next page Start by lifting and bending the lid with tweezers at the marked points 1 3 see pictures below Do not use too much force on the frame because it could be damaged and also the PWB could be mechanically stressed NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 8 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Example of a broken Flash D450 Different battery connectors There are two different battery connectors with the same part code 5400239 see pictures below If it is necessary to exchange the battery connector X101 X102 take care that you use the corresponding part Wrong replacement causes switch off trouble Different surface width and position of spring contacts OO O SO IX Oh Be Oe NE Diffie Note It is not allowed to use the battery connectors of NPE 3 part code 5469069 because of smaller size Auto power off The phone turns off because the contact pads on the battery and the battery connectors are worn out so that the phone has lost the contact to the battery Assemble the Y and Z Pads as in the picture below For more information see SB 010 NPE 4 i Battery Pad Y Battery Pad Z Checked by A d by NMP 2003 SCCE Training Group SCE f NOKIA CONFIDENTIAL 9 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer
22. e phone to silent or meeting profile and has not switched to general manually before There will be no ringing tone in the CarKit even if general profile is set as default Echo The user hears an echo of the conversation partner Poor sound quality using HSU 1 If the volume is too high the sound quality gets poorer by using HSU 1 Resets Sometimes a reset occurs especially when driving and starting or ending calls NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 10 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Totally dead The first thing to do in this case is to make a kind of precheck This should be done in the following order Check current consumption After switching on the phone the current consumption is initially around 120 mA for a few seconds Afterwards current lowers to around 70 mA again for a few seconds and finally goes down to 1 3 mA sleepmode In cases where the phones have a current consumption around 11mA 24 mA for about 32 seconds the indication is that flash D450 or bluetooth module V130 are empty or defective Flash the phone The result of the flash procedure helps to encircle the reason for the fault and sometimes to solve the problem So it is absolutely necessary in this case to flash the phone before starti
23. g or any other work on the PCB it is very important to place the PCB into the rework jig JBT 13U NMP code 0770242 to prevent damaging the LEDs the pads the LEDs are connected with to the PCB are torn off by applying only little pressure onto the PCB E e s en e yup sen EE PE ool j oR A pce e r yy lt losa as it rt i I gs Component charactaristics Some components contain important data as tuning values or security data Therefore several steps described are only feasible if you are able to reflash realign the phone and or rewrite IMEI SIMlock in certain cases Please pay attention to separate notes Shieldings screw torques To avoid RF problems it is not allowed to reuse any shielding that once has been removed from shielding frame Always use new shieldings after successful repair To tighten screws only use a torque screwdriver with a torque adjusted to 17Ncm Notice tightening order that is shown in the picture below Realign after repair Characteristics of replacement may vary To prevent additional faults after repair low standby losing network etc it is necessary to retune phone values after repair but never try to cover up a fault by justing the phone settings NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 4 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2
24. ge N601 Change PWB lt ae VR3 2 8VDC at R610 VR4 2 8VDC at C296 P Mjoelner VR5 2 8V at R628 VR7 2 8VDC at C299 i I Q at C715 C716 on both sides lt Allsignalsok lt Checked by NMP 2003 SCCE Training Group Approved by SCCE NOKIA CONFIDENTIAL 26 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Phone restricted error If the failure message Phone restricted notice it depends on the language used appears on the display it is not necessary to exchange the flash or scrap the phone The solution is just to rebuild the SIMlock After this the message will disappear see also SB 030 Keypad faulty If one or more keys are not working disassemble phone and check resistance 0Q between keys on same colum and row with ohmmeter For example key 7 is not working Check row D2 gt keys 1 4 7 gt resistance between the one and the other keys 02 Check colum D5 keys End Down 7 8 9 gt resistance between the one and the other keys 0Q If between two Keys the resistance is approximate MQ change PWB because of broken connection If all resistance 0Q remove Z300 EMI Filter and measure the connection between keypad and red marked solderpads from EMI Filter If connection is not ok change PWB because of broken connection If connection is ok check
25. hing is ok the result is ST_OK 3 1 3 ST_KEYBOARD_STUCK_TEST This function tests to see if a key is stuck If any key is stuck pressed it is re tested withST_KBD_REPEAT several times with ST_KBD_DELAY interval If key is still down result is ST_FAIL If no key is stuck the result is ST_OK If some key is Stuck the result is ST_FAIL 3 1 4 ST MBUS_RX_TX_LOOP_TEST This function tests the connection of MBusTx and MBusRx signals between UPP and UEM If everything is ok the result is ST_OK If there is no connection the result is ST_NO_SIGNAL 3 1 5 ST_PPM_VALIDITY_TEST This function checks the validity of PPM on flash 3 1 6 ST_SIM_CLK_LOOP_TEST This function tests the connection of SimClk and SimIODa signals between UPP and UEM This test also requires that SimIOCtrl signal can be set to high state see also st_sim_io_ctrl_loop test If everything is ok the result is ST_OK If there is no connection the result is ST NO SIGNAL If there is short circuit the result is ST SHORT_CIRCUIT 3 1 7 ST_SIM_IO_CTRL_LOOP_TEST This function tests the connection of SimIOCtrl and SimIODa signals between UPP and UEM This test also requires that SimClk signal state can be switched See also st_sim_clk_loop_ test If everything is ok the result is ST_OK If there is no connection the result is ST_NO_ SIGNAL 3 1 8 ST_SLEEP_X_LOOP_TEST This function tests the connection of SleepX and SleepClk signals between UPP and UEM UEM_V2 or later requ
26. ired If everything is ok the result is ST_OK If there is no connection the result is ST_NO_SIGNAL 3 1 9 ST_TX_IDP_LOOP_TEST This function tests the connection of TxIdp and RxIdp signals between UPP and UEM UEM_V2 or later required If everything is ok the result is ST_OK If there is no connection the result is ST_NO_SIGNAL If there is short circuit the result is ST SHORT_CIRCUIT 3 1 10 ST_TX_IQ_DP_LOOP_TEST This function tests the connection of TxQdp and RxQdp signals between UPP and UEM UEM_V2 or later required If everything is ok the result is ST_OK If there is no connection the result is ST_NO_SIGNAL If there is short circuit the result is ST_ SHORT_CIRCUIT NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 28 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 3 1 11 ST_BACKUP_BATT_TEST This function tests if the backup battery was ok during power up Ok means that there was enough power in the battery If backup battery is not ok the result is ST_FAIL If backup battery is ok the result is ST_OK 3 1 12 ST_UPP_REGISTER_VER_TEST This function compares the ASIC version with the compilation flag Major ASIC version in UPP version register is compared against ASIC version compilation flag If the version is correct the result is ST_OK If the version is wrong the result is ST_FAIL 3 1 1
27. isplay too dark too light 19 CHAPTER 5 Hookswitch problems 20 Sometimes not possible to release incoming call 20 No voice dial possible 20 NMP 2003 Checked by SCCE Training Group Approved by SCCE NOKIA CONFIDENTIAL 6 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 NPL 1 63101 21 CHAPTER 6 HW Changes 21 Different UEM versions 21 Value change of R133 amp R134 21 Replacement of C164 with R169 Reduce noise on Headset HDC 9P 21 New Bluetooth module BT202 21 CHAPTER 7 No Service 22 Drop calls 22 No TX at GSM1800 1900 23 No service flowchart 24 Phone restricted error 25 CHAPTER 8 Keypad faulty 26 CHAPTER 9 BB Selftest explanation for NPE 4 NPL 1 21 CHAPTER 10 Change History 28 NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 7 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 Additional Information BB shield removing instructions For BB shield removing it is important to lay the PWB on level surface in away that the bottom connector does not touch the underground to prevent bending of PWB and cracking of the connector s solderings See pictures below Wrong Correct When removing the BB shield be very careful because the Flash D450 could be damage
28. k and flux cleaner such as Kontakt LR Use only the mmended Fluxtype and an appropriate amount of it avoid to wning the PCB in flux as this will result in additional faults Also check underfilled parts for broken underfill material below In this case carefully evaluate possible repair actions as the phone probably was exposed to strong mechanical stress ie ele i ae aT Pon ii ee ead ee Ree Cee ee i Pad BLS ie ead rae Tr i ke Eja 5 Ely i ipa be 7 te H FETE Sip ott rework done with uncontrolled hot air PCB drowned in flux broken underfill of an BGA part NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 3 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 PCB handling amp cleaning To avoid damages of PCB and or components through electrostatic discharging handle the module in ESD suitable cases only Outside an ESD bag always wear ESD bracelets which must be connected to earth bonding point A damage caused by electrostatic discharge does not produce a directly apparent fault but it will appear however within shortest time For cleaning use appropriate materials only Do not use scratching or rubbing tools Usefull tools for cleaning are fluxcleaners such as Kontakt LR or Electrolube FLU in connection with ionized compressed air For shield disassemblin
29. ng any repair action In the best case flash is only empty The phone should go on after a succesful flash update If the flash update is not succesful check error messages of the failed flash update see picture below Parameters Cunent Statur Possible error message i Save Uber Satiro I Manual File Selection Total Process Automatic Flashing Output Flathbus Ax butter durnp S400F FD 460924466 FDEE 5SC839461 4000 Phone program faihect CS3 No message acknowledge from the phone hashrga The Frommer has not recerved acknowledge to the mestage from the Phone Flashing failed The failure codes C683 or C686 indicate in most cases a defective bluetooth module V130 D200 amp D400 also possible Other failure code messages give no certain indication about any defective component Flash D450 UEM D200 UPP D400 or other defective components could distinguish the same or similar failure messages Therefore absolutely independently from the flash failure message and in every case after precheck procedure some voltages and signals should be checked to encircle the failure source Do not change the flash D450 or bluetooth module V130 before ensuring that following voltages and signals are OK NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 11 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa
30. ot possible to release incoming call No voice dial possible When the headset HDC 9P is connected to the bottom connector of NPE 4 and a call is coming in it is often not possible to release the call by pressing the hookswitch Often it is also not possible to initiate the voice call by pressing the hookswitch If one of the problems mentioned above occurs changing the R175 can solve the problem Note Do not check audio function of the phone with HDC 9P by using the JBV 1 docking station Only noise will be audible f testing in this way Open the BB shield and measure the resistor R175 100kQ If R175 100kQ change the resistor to 15kQ see pictue below Note Up to HW ID 06 01 there is a 100kQ resistor From HW ID 06 02 the value has changed to 15kQ For more information also see SB 024 NPE 4 Y IO W153 UMBE IN TH R159 Pace ies gt HOOK INT NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 22 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 NPL 1 6310i HW changes C207 C158 V130 BT R133 amp 4 4 Printed 2 2 uF 10p 10V LRB 2BT Del 164 number 2316001 2610003 0630271 Add R169 4370805 6 1530 Printed 10p 10V LRB 2BT Del 164 since IMEI number 2320481 2610003 0630271 Add R169 350780 20 709519 4 20 4370841 6
31. problems chapter added TS Training Group Draft i 07 04 2003 Totally dead Does not switch on chapter added HW changes NPL 1 chapter added TS Training Group Approved 22 04 2003 Approved version NMP 2003 Checked by Approved by SCCE Training Group SCCE
32. t R726 A a 7 p Change N600 Y Ne Hagar Checked by SCCE Training Group Approved by SCCE NOKIA CONFIDENTIAL 17 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 No service no TX Check EGSM TX signal at R656 R657 see picture below Set spectrum analyzer to TX EGSM 897 4 MHz channel 37 Set phone to TX mode EGSM 897 4 MHz channel 37 and power level 10 Markert 13 FEF 10 0 dBm ATT O dB A_wet B_blnak 10dB Horm Horm Hormal Marker Delta Harker Feak Menu Sig Track OH OFF Sound F Marker off CENTER 897 4000 MHz SPAM 200 kHz 1 2 morer RBM 10 kHz VEW 1 kHz SWP SOO ms If there is no signal measurable check PCN TX signal at L662 see picture below Set spectrum analyzer to TX PCN 1747 8 MHz channel 700 Set phone to TX mode PCN 1747 8 MHz channel 700 and power level 10 Marker tiy FEF 10 0 dBm ATT O dB _ wrt B_blnak 10dB Horm Horm Hormal Marker Delta Harker Peak Meru Sig Track ON OFF Sound F Marker Ort CENTER 11 7479000 GHz SPAN 200 kHz 1f2 moreF RBM 10 kHz VBM 1 kHz SMIP 500 ms If both TX signals ok check EGSM PCN TX lines between Hagar N600 and antenna connector X802 for shorts or disconnections If there is no TX signal measurable at L662 check TX I Q at C764 and C766 on both sides of capacitors see picture below Te LAD at
33. with ohmmeter the resistance between ground and blue marked solderpads gt resistance around 2MQ If resistance is lower than 1MQ or higher than 10MQ scrap the phone because the UPP D400 is faulty and not changeable Colum DS UPP side CHU LI i pr A A ad i KEETE a cho PWRONK NMP 2003 Checked by Approved by SCCE Training Group SCCE NOKIA CONFIDENTIAL 27 29 NPE 4 6310 NPL 1 63101 Repair Hints Customer Care Europe Middle East amp Africa Version 3 0 Approved SCCE Training Group Date 22 04 2003 BB Selftest explanation for NPE 4 NPL 1 3 1 ST_AUX_DA_LOOP_TEST This function tests the connection of AuxDa and UemInt signals between UPP and UEM UPP loops 70us high pulse via AuxDa line to UEM and back to UPP via UemiInt line If there is no connection the result is ST_NO_SIGNAL If everything is ok the result is ST_OK 3 1 1 ST_EAR_DATA_LOOP_TEST This function tests the connection of EarData and MicData signals between UPP and UEM If there is no connection the result is ST_NO_SIGNAL If there is short circuit the result is ST SHORT_CIRCUIT If everything is ok the result is ST_OK 3 1 2 ST_IR_LOOP_TEST This function tests the connection of IRTX and IRRx signals between UPP and UEM UPP loops test signal via IRTX line to UEM and back to UPP via IRRx line If there is no connection the result is ST_NO_SIGNAL If there is short circuit between IRTx and IRRx the result is ST SHORT_CIRCUIT If everyt

npe-4_npl_1_repair_V3_0-May23-1153212015-05

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