Nokia 6150 Service & Repair Hints

Nokia 6150 Service & Repair Hints

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CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999
Page 1 of 41

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  Summary of Contents for Nokia 6150

  • Page 1 CONFIDENTIAL Service & Analysis Center Europe Training Team version 1.0 / 19.10.1999 Page 1 of 41...
  • Page 2: Introduction

    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 6150 phones. It contains a lot of collected tips and hints, to find failures and repair solutions easily.
  • Page 3: Table Of Contents

    CONFIDENTIAL Service & Analysis Center Europe Training Team Contents INTRODUCTION ..............................2 OESN T SWITCH ON .............................. 4 OT CHARGING ..............................7 TAND BY TIME ............................11 NTERMITTENT DOESN T SWITCH ON ........................12 HONE SWITCH IT SELF OFF ..........................13 WITCH IT SELF OFF CONTACT SERVICE ON THE DISPLAY ..................
  • Page 4: Doesn't Switch On

    CONFIDENTIAL Service & Analysis Center Europe Training Team Doesn't switch on Figure 1: doesn't switch on troubleshooting Phone doesn't switch on Observe power consumtion Lift L560 Check norm. < 6mA pulsing to higher (VBATT for Pwr C690, C692 20mA Amp) (without backlights) Check connection N501 or N502...
  • Page 5 CONFIDENTIAL Service & Analysis Center Europe Training Team N100 faulty/ poor soldering • Check if voltage on Pin 29 drops of 700 mV during pressing the Power on button • Check if there is a 32.768 kHz square wave on Pin 48 •...
  • Page 6 CONFIDENTIAL Service & Analysis Center Europe Training Team N501 / N502 short circuit • If there is a short circuit on VBATT, lift L560 and check again • If the current is OK one of the two PA are faulty •...
  • Page 7: Not Charging

    CONFIDENTIAL Service & Analysis Center Europe Training Team Not charging Not charging (1) no confirmation / error message / beep is coming from phone, if charger is pluged in Check X100, F100, check VCH on pin 1, L104, L105 if check V100, C103 if 16 of N101, CHAPS connection to charger...
  • Page 8 CONFIDENTIAL Service & Analysis Center Europe Training Team Not charging (2) error message ("not charging") / beep is coming from phone, if charger is pluged in check DC voltage on pin Do the battery 9 of N101, CHAPS if Try charging, if no A/D failed management calibration charger is pluged in...
  • Page 9 CONFIDENTIAL Service & Analysis Center Europe Training Team F100 faulty • Check resistance of F100 (0Ω) V100 faulty • Check resistance of V100 (50KΩ in circuit) L104 faulty Vcharge • Check resistance of L104 (0Ω) L105 faulty Charge ground • Check resistance of L105 (0Ω) C103 faulty short circuit on Vcharge •...
  • Page 10 CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 3: Block diagram of charging concept X101 Battery connector BVOLT L103 R120 Current R131 Shunt BSI Resistor (Inside of Battery) 2.2K ..18K : NiCd Battery 20K ..24K : Service Battery C104 27K ..
  • Page 11: Low Stand By Time

    CONFIDENTIAL Service & Analysis Center Europe Training Team Low Stand by time Low standby time (battery is Ok) check powerconsumtion check C142, of the phone: C680-82, C105, Off state > 0-1,35mA lift L560 lift L103 N101, change if sleep mode > 1-5mA necessary Call mode GSM900>...
  • Page 12: Intermittent Doesn't Switch On

    CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 4: current consumption values Function mode Minimum current in mA Maximum current in mA Off state 1,35 Sleep mode Call mode GSM 900 Call mode GSM 1800 • Disconnect the PA's N501 / N501 lift L560 and check the current again •...
  • Page 13: Phone Switch It Self Off

    CONFIDENTIAL Service & Analysis Center Europe Training Team Phone switch it self off Phone intermittend switches off Check if this happens Check X101 and only with 5V SIM-cards X102, if poor soldered, Resolder, or change Wrong and if the phone works bent, soiled or old the connector probably with 3V SIM's...
  • Page 14: Switch It Self Off Contact Service On The Display

    CONFIDENTIAL Service & Analysis Center Europe Training Team C131 10μF/10V • Check that the handset work with 3V SIM-cards • Check that the 5V voltage over the capacitor C131 are around 4,8V-5,2V with maximal 350mVpp noise overlap (look to the diagram below) Figure 5: maximal noise on C131 Switch it self off- contact service on the display D200 MAD faulty / poor soldering...
  • Page 15: Contact Service - Cobba Parallel Bus Failed

    CONFIDENTIAL Service & Analysis Center Europe Training Team Contact service – COBBA parallel bus failed Contact Service Check via WINTESLA / Testing / Selftest which kind of selftest is fail COBBA parallel bus failed check COBBACLK Check COBBA Clk on Change or check 13MHZ/ 3,2Vpp on pin 144 of MAD...
  • Page 16: Contact Service - Cobba Serial

    • Internal error of COBBA 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 / 19.10.1999...
  • Page 17: Contact Service - Eeprom Tune Checksum Fail

    CONFIDENTIAL Service & Analysis Center Europe Training Team Contact service – Eeprom tune checksum fail Contact Service Check via WINTESLA / Testing / Selftest which kind of selftest is faulty EEPROM tune checksum fail Check via WINTESLA Reset the phone (don't >...
  • Page 18: Contact Service - Ppm Validity

    Service & Analysis Center Europe Training Team 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 –...
  • Page 19: Clock Time Or User Settings Problems

    CONFIDENTIAL Service & Analysis Center Europe Training Team Clock time or user settings problems Clock time problems / wrong ringingtone speed check 32,768KHz clock frequency on pin 48 of N100, CCONT Check soldering or change B100, R154, C101, C102, N100 Clock time / Ringing tone is to fast or to slowly 32,786KHz Sleep oscillator •...
  • Page 20 CONFIDENTIAL Service & Analysis Center Europe Training Team Clock will freeze after switch on CCONTINT short circuit / break • Check the CCONTINT impulse on pin 52 CCONT or pin 123 MAD (see the diagram below) • Check pin 52 CCONT pin 123 MAD short circuit or break Figure 6: CCONTINT impulse Loose of clock time after removal of battery Backupbattery...
  • Page 21: Buzzer Failures

    CONFIDENTIAL Service & Analysis Center Europe Training Team Loos the clock time if the battery is empty or removed for few minutes G100 Back up battery faulty / disconnect • Check the voltage 2,8V-3,3V over the back up battery connected to the PCB in the service modus •...
  • Page 22: Internal Audio Failures

    CONFIDENTIAL Service & Analysis Center Europe Training Team X300, board to board connector • Check soldering • Check contact springs, change component if bent D200, MAD • Check buzzer signal on Pin 97 (200mV pulses) use WINTESLA / testing / audio Level 1, 1000Hz B100, 32.768KHz crystal •...
  • Page 23 CONFIDENTIAL Service & Analysis Center Europe Training Team 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 •...
  • Page 24: External Audio Failures

    CONFIDENTIAL Service & Analysis Center Europe Training Team External Audio Failures External audio failures check X100 resolder or clean XEAR failure if poor soldered X100, not oK (receiving audio) or soiled change if contacts necessary check L107 not oK change L107 (0 Ohm) check X100 resolder or clean...
  • Page 25: Accessory Detection Failure (Headset / Car Kit Active)

    CONFIDENTIAL Service & Analysis Center Europe Training Team Accessory detection failure (headset / car kit active) Accessory detection failure (headset / car kit active) check if XMIC headset is (X100 pin 8) is not oK change V102 detected short circuited to ground resolder or check R257,...
  • Page 26 CONFIDENTIAL Service & Analysis Center Europe Training Team Liquid damage Check if there is a liquid damage around X100, V101, V102 and L105) Figure 7: Block diagram of audio switching concept VBB 2.8V R259 R260 107 HOOKDET MAD2 D200 R261 108 HEADDET C261 C260...
  • Page 27: Display Failure

    CONFIDENTIAL Service & Analysis Center Europe Training Team Display Failure Display failure contrast dissapears, change elastomer missing segments not oK change LCD, if elastomer change doesn't help not oK check contacts resolder or change and solderings of not oK X300 if any spring X300 is bended strange signs on...
  • Page 28 CONFIDENTIAL Service & Analysis Center Europe Training Team Elastomer • Change Elastomer if contrast disappears, missing segments Figure 8: different types of Elastomer LCD / UI Modul • Change LCD if elastomer change doesn't help • The PCB version UE4_13 makes better contact between PCB and the Elastomer, pad size of the LED's are modifided Figure 9: different types of LCD's Philips LCD...
  • Page 29: Keypad Failure

    CONFIDENTIAL Service & Analysis Center Europe Training Team X300 • Check solderings • Check contacts (change connector if bent) D200 • If there are wrong signs on LCD and the filled LCD during start up is missing, check LCD reset on JBS-19 Test Pin 25 or D200/ 36 during start up UI-module •...
  • Page 30: Insert Sim Card

    CONFIDENTIAL Service & Analysis Center Europe Training Team UI-module • Check keys on UI, change UI-module if any keydome is damaged Insert SIM CARD Insert SIM card the phone doesn't register the SIM card swap the phone if resolder X302 or check solderings and contacts of any wire to the SIM not oK...
  • Page 31 CONFIDENTIAL Service & Analysis Center Europe Training Team D200, MAD • Check SIM card -DATA (Pin120), -Clock 3,25MHz (Pin 126), -Reset (Pin 127), -IOC (Pin 128) and -Power (Pin 129) N100, CCONT • SIM card -DATA (Pin 43), -Clock 3,25MHz (Pin 38), -Reset (Pin 42) and VSIM 3V/5V DC (Pin 36) depends on SIM card V104 •...
  • Page 32: Sim Card Not Accepted, Sim Lock Failure

    (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 N250, or send those phones...
  • Page 33 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...
  • Page 34: Sim Loc Data Nsm-1

    CONFIDENTIAL Service & Analysis Center Europe Training Team SIM LOC DATA NSM-1 Figure 12: List of current SIM LOCK phones NSM-1 Product-Code NSM-1 SIM-LOCK-DATA Operator Mcc+Mnc 21401 0502586 AIRTEL Msin 0000000000 Mcc+Mnc 23433 0502581 ORANGE Msin 0000000000 Mcc+Mnc 26803 0502570 OPTIMUS Msin ??????????
  • Page 35: The Phone Hangs Up After Insert The Pin-Code

    CONFIDENTIAL Service & Analysis Center Europe Training Team The phone hangs up after insert the PIN-code Phone SW hangs up after entering the PIN code check the amplitude of the resolder CCONT 32,768 KHz clock or change if / 2,8Vpp on pin solderings are Ok.
  • Page 36: Low Receiver Signal Strength Indicator

    CONFIDENTIAL Service & Analysis Center Europe Training Team Low receiver signal strength indicator Antenna faulty / wrong - Tuning • Check the code of the antenna label (see below) • Check the receiver signal indicator with a new antenna • Retune the handset Figure 123: Antenna codes DESCRIPTION...
  • Page 37 CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 13: Sleepclock signal No RX (no rx calibration…RSSI reading fixed value) MAD / COBBA / R263 faulty • Check if the 13MHz IF frequency on pin 22,23 COBBA change the amplitude if the generator frequency level are change •...
  • Page 38 CONFIDENTIAL Service & Analysis Center Europe Training Team No RX (no rx calibration…RSSI reading highest value) N600 SUMMA faulty / poor soldering • check the UHF- and VHF oscillator frequency • check the control-lines for the PLL, pin 5, 6, 7 from N600 (see the diagrams below) •...
  • Page 39: Call Breaks / No Service

    CONFIDENTIAL Service & Analysis Center Europe Training Team Call breaks / No service G550 UHF Oscillator out of range or high spurious emission • check the UHF frequency on G550 for high spurious or deviation • check the UHF-VC on pin 21 N600 1,9V-3.2V depending of the channel •...
  • Page 40 CONFIDENTIAL Service & Analysis Center Europe Training Team Figure 17: TX-Control Signal version 1.0 / 19.10.1999 Page 40 of 41...
  • Page 41 CONFIDENTIAL Service & Analysis Center Europe Training Team Change history Orginator Status Version Date Comment Jose Draft 20.09.1999 First public version Marquez Draft 01.10.1999 Example for AMS approved 19.10.1999 SIM-LOC entries up-dated version 1.0 / 19.10.1999 Page 41 of 41...