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Nokia RH-17 Series Troubleshooting - Bb
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Nokia RH-17 Series Troubleshooting - Bb

Nokia RH-17 Series Troubleshooting - Bb

Transceivers
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CCS Technical Documentation
RH-17 Series Transceivers
Troubleshooting — BB
Nokia Corporation
Issue 1 04/2003
Confidential

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Summary of Contents for Nokia RH-17 Series

  • Page 1 CCS Technical Documentation RH-17 Series Transceivers Troubleshooting — BB Nokia Corporation Issue 1 04/2003 Confidential...
  • Page 2 RH-17 Troubleshooting — BB CCS Technical Documentation Nokia Corporation Page 2 Confidential Issue 1 04/2003...

  • Page 3: Table Of Contents

    Phone is totally dead ....................34 Flash programming doesn‘t work ................35 Power doesn‘t stay on or the phone is jammed............37 Charger ........................39 Audio faults ......................40 Display faults......................44 Keypad faults......................47 Nokia Corporation Issue 1 04/2003 Confidential Page 3...
  • Page 4 RH-17 Troubleshooting — BB CCS Technical Documentation Nokia Corporation Page 4 Confidential Issue 1 04/2003...

  • Page 5: Troubleshooting - Baseband

    2-type wire chargers. Charging is controlled by UEM ASIC and EM BL-5C Li-ion battery is used as main power source for RH-17. BL-5C has nominal capac- ity of 850 mAh. Nokia Corporation Issue 1 04/2003 Confidential...

  • Page 6: Bb And Rf Architecture

    Power up and reset is controlled by the UEM ASIC. RH-17 baseband can be powered up in the following ways: 1 By the Power button, which means grounding the PWRONX pin of the UEM 2 By connecting the charger to the charger input Nokia Corporation Page 6 Confidential Issue 1 04/2003...
  • Page 7 PURX signal in order to always give the same watchdog response time to the MCU. The following timing diagram represents UEM start-up sequence from reset to power-on mode. Nokia Corporation Issue 1 04/2003 Confidential Page 7...
  • Page 8 Troubleshooting — BB CCS Technical Documentation Reference signal PwrOnX Charger Detection UEMRSTX VFlash1 VCORE VANA 19.2MHz Clk PURX 32kHz XTAL t1 = 20ms t3 = 500us t2 = 200ms t4 = 20ms Nokia Corporation Page 8 Confidential Issue 1 04/2003...

  • Page 9: Power Up With Pwr Key

    The Baseband switches into power off mode if any of following statements is true • Power key is pressed • Battery voltage is too low (VBATT < 3.2 V) • Or if Watchdog timer register expires Nokia Corporation Issue 1 04/2003 Confidential Page 9...

  • Page 10: Power Consumption And Operation Modes

    EM charging algorithm controls it. The charging control circuitry (CHACON) inside the UEM controls the charging current delivered from the charger to the battery. The battery voltage rise is limited by turning Nokia Corporation Page 10 Confidential Issue 1 04/2003...

  • Page 11: Power Distribution

    Enabled always except during power-off mode VFLASH2 2.78 Enabled only when data cable is connected VANA 2.78 Enabled only when the system is awake (Off during sleep and power-off modes) VSIM Not used Nokia Corporation Issue 1 04/2003 Confidential Page 11...

  • Page 12: Clock Distribution

    The main clock signal for the baseband is generated from the voltage and temperature controlled crystal oscillator VCTCXO (G501). This 19.2 MHz clock signal is generated at the RF and fed to RFCLK pin of UPP. Nokia Corporation Page 12 Confidential...

  • Page 13: Rfconvclk (19.2 Mhz Digital)

    SW multiplies this clock by seven for the DSP and by two for the MCU. CBUSClk Interface A 1.2 MHz clock signal is use for CBUS, which is used by the MCU to transfer data between UEM and UPP. Nokia Corporation Issue 1 04/2003 Confidential Page 13...

  • Page 14: Dbusclk Interface

    UEM regulator output (VR3) by turning off the controlled output signal SleepX from UPP. SLEEPClk (Digital) The UEM provides a 32kHz sleep clock for internal use and to UPP, where it is used for the sleep mode timing. Nokia Corporation Page 14 Confidential Issue 1 04/2003...

  • Page 15: Sleepclk (Analog)

    However, when the system enters sleep mode or power-off mode, the external 32KHz crystal provides a reference to the UEM RTC circuit to turn on the phone during power-off or sleep mode. Nokia Corporation Issue 1 04/2003 Confidential Page 15...

  • Page 16: Flash Programming

    BSI signal will be gated during UEM master reset and dur- ing power on when PURX is active. The BSI signal should not change state during normal operation unless the battery is extracted, in this case the BSI signal will be pulled high, Nokia Corporation Page 16 Confidential...

  • Page 17: Flashing

    This boot code asks MCU to report prommer phone’s configuration information, including flash device type. Now prommer can select and send algorithm code to MCU SRAM (and SRAM/Flash self-tests can be executed). Nokia Corporation Issue 1 04/2003 Confidential Page 17...

  • Page 18: Charging Operation

    In RH-17, a Lithium-Ion cell battery with a capacity of 850 mAh is used. Reading a resis- tor inside the battery pack on the BSI line indicates the battery size. With an NTC-resis- tor on PWB, the phone measures the approximate temperature of the battery on the Nokia Corporation Page 18 Confidential...

  • Page 19: Charging Circuitry

    The HDb81 baseband is designed to support DCT3 chargers from an electrical point of view. Both 2- and 3-wire type chargers are supported. However, as mention, 3-wire chargers are treated as two. Nokia Corporation Issue 1 04/2003 Confidential...

  • Page 20: Charger Detection

    3. Check that the charger is within the charger window (voltage and current). If the charger is accepted and identified, the appropriate charging algorithm is initiated. X102 F100 L100 ________ "VCHARIN" 42R/100MHz C106 1.5A V100 CHARGER(4:0) Figure 5: Charging circuit Nokia Corporation Page 20 Confidential Issue 1 04/2003...

  • Page 21: Charge Control

    Also, MICBIAS1 is used for MIC1 and MICBIAS2 is used for MIC2 and MIC3 (Universal Headset). Display and Keyboard LEDs are used for LCD and keypad illumination in RH-17. There are three LEDs for the Nokia Corporation Issue 1 04/2003 Confidential Page 21...

  • Page 22: Accessory

    Detection of Tomahawk accessories is done through the ACI signal were as the Univerals Headset is deteted on GenIO(12). The following picture shows the pinout of the Tomahawk connector. The pin out on the Tomahawk connector is as follows: Nokia Corporation Page 22 Confidential Issue 1 04/2003...

  • Page 23: Charging

    The actual charging sequence can be seen in the following figure. The channels on the figure are as follows: CH1 = Charging current across the .22 Ohm (R200) resistor on UEMK CH2 = Charger voltage measure at V100 CH3 = Battery voltage measure at R200 Nokia Corporation Issue 1 04/2003 Confidential Page 23...

  • Page 24: Tomahawk Headset Detection

    Accessory detection on Tomahawk is done digitally. The pins uses for accessory detection are: Pin 2 (Charge GND) Pin 3 (ACI) Pin 4 (Vout) A waveform of such detection can be seen in the following figure: Nokia Corporation Page 24 Confidential Issue 1 04/2003...
  • Page 25 FBus communication in Tomahawk is done through the following lines: Pin 2 (Charge GND) Pin 3 (ACI) Pin 4 (Vout) Pin 6 (FBus Rx) Pin 7 (FBus Tx) A waveform for such communication is shown: Nokia Corporation Issue 1 04/2003 Confidential Page 25...

  • Page 26: Accessory Detection Though Aci

    Pin 6 (USB +) Pin 10 (SMIC P) Pin 7 (USB -) Pin 11 (HSEAR N) Pin 8 (Data GND) Pin 12 (HSEAR P) Pin 13 (HSEAR R N) Pin 14 (HSEAR R P) Nokia Corporation Page 26 Confidential Issue 1 04/2003...

  • Page 27: Ruim (Sim Car)

    This picture can be takan when the RUIM is install on the phone and mea- sue the signals when the phone is turned on. The following picture shows the proper waveforms when interface is working. See “Bottom view” diagram for test point’s loca- tion. Nokia Corporation Issue 1 04/2003 Confidential Page 27...

  • Page 28: Test Points

    RH-17 Troubleshooting — BB CCS Technical Documentation Figure 7: RUIM Signal Waveform Test Points RH-17 (Haukka) BB test points, regulators, and BB ASICs. Nokia Corporation Page 28 Confidential Issue 1 04/2003...

  • Page 29: Top View

    RH-17 CCS Technical Documentation Troubleshooting — BB Top View Nokia Corporation Issue 1 04/2003 Confidential Page 29...
  • Page 30 RH-17 Troubleshooting — BB CCS Technical Documentation Nokia Corporation Page 30 Confidential Issue 1 04/2003...

  • Page 31: Bottom View

    The first thing to do is carry out a through visual check of the module. Ensure in particu- lar that: a) there are not any mechanical damages b) soldered joints are OK c) ASIC orientations are OK Nokia Corporation Issue 1 04/2003 Confidential Page 31...

  • Page 32: Top Troubleshooting Map

    RH-17 Troubleshooting — BB CCS Technical Documentation Top troubleshooting map Phone dead Flash faults Phone is jammed Charger Top 2 Nokia Corporation Page 32 Confidential Issue 1 04/2003...
  • Page 33 RH-17 CCS Technical Documentation Troubleshooting — BB Top 2 Audio faults Display faults Keypad faults Nokia Corporation Issue 1 04/2003 Confidential Page 33...

  • Page 34: Phone Is Totally Dead

    <= 30 mA programing OK ? Phone current is 35 mA Check BSI line Is phone in LOCAL X101, R203, Change UEM MODE ? R206, C230 are they OK Repair OK restart Nokia Corporation Page 34 Confidential Issue 1 04/2003...

  • Page 35: Flash Programming Doesn't Work

    TXD line low after the line has been Re-flow or high. Change UEM Measure MBus (2.78V) and test Re-flow or point J410 (1.8V). Change UEM Are they the same? Flash faults page 2 Nokia Corporation Issue 1 04/2003 Confidential Page 35...
  • Page 36 Faults page 2 Can you read the Re-flow or Change manufactor ID and Flash the Device ID? Is the phone totally dead? Phone doesn't start up or the phone is jammed? Retest Nokia Corporation Page 36 Confidential Issue 1 04/2003...

  • Page 37: Power Doesn't Stay On Or The Phone Is Jammed

    Is it OK ? R518, C503, V500. If OK change G501 Measure PURX and SleepX at test points J402 and J403. Are they high (1.8V) ? Change UPP Jammed page 2 Change UEM Nokia Corporation Issue 1 04/2003 Confidential Page 37...
  • Page 38 Is it OK? info read from testpoint J412. Is it OK? Measure FBusTx signal during phone Re-flow or Change info read from testpoint J411. Is it OK? Retest Re-flow or Change Nokia Corporation Page 38 Confidential Issue 1 04/2003...

  • Page 39: Charger

    V100. L100, V100, C106. Is it > 3.0 Vdc? Read BTEMP value. Change UEM Is it ~ 25C (0319)? Remove (fuse) F100 and measure Change UEM current. Is it ~850 mA? Retest Nokia Corporation Issue 1 04/2003 Confidential Page 39...

  • Page 40: Audio Faults

    R162, R163, R152, comming out of the R150, C166, C154, UEM on EARP and C155, C153, C156. EARN? If OK change the UEM. Check R180, R17. If OK then change earpiece. Audio faults 2 Nokia Corporation Page 40 Confidential Issue 1 04/2003...
  • Page 41 Is the signal going Check L104, R105, out of the UEM at R106, R169 and XEAR, pin 11 and C186. 12 on the bottom If OK change UEM connector (X104)? Retest Audio faults 3 Nokia Corporation Issue 1 04/2003 Confidential Page 41...
  • Page 42 Use Phoenix "Baseband Audio Control". Under Buzzer on Frequency and Duty cycle input Check signal on pin 2 of B302. Change the UEM Is the signal OK? Change BUZZER Audio faults 4 Nokia Corporation Page 42 Confidential Issue 1 04/2003...
  • Page 43 PN_ACCESSORY --> PN_OBJ_ROUTING_REQ --> PN_OBJ_PC --> UTID_100 --> ACC_VIBRA_CTRL_REQ. Select "ACC_ON" and click "Send' Measure the UEM signal on pin 2 of Change the UEM M300. Is the signal OK? Change VIBRA Nokia Corporation Issue 1 04/2003 Confidential Page 43...

  • Page 44: Display Faults

    UEM signal at pin A7 of D300 if signal not ok change UEM. Check R302, R304, R305, R306, R307, Display V308, V309, V310, faults 2 V300, V301, V302 and V303. Nokia Corporation Page 44 Confidential Issue 1 04/2003...
  • Page 45 C314 removed, resend Is the signal OK? command and measure UEM signal at pin A7 of D300 if signal not ok change UEM. Check V304, V305 Display and V306. faults 3 Nokia Corporation Issue 1 04/2003 Confidential Page 45...
  • Page 46 NUM_SB: --> TEST_SB_UI_DISPLAY_PATTE RN -->SB_LENGTH. Select "TEST_PATTERN_ALTPIXELS" and click "Send' Check LCD signals LCDCSX(pin2), LCDCLK(pin5), LCDSDA(pin4), and Change UPP LCDRESX(pin1) at H300. Are the signal OK? (Refer to display section) Change Display Nokia Corporation Page 46 Confidential Issue 1 04/2003...

  • Page 47: Keypad Faults

    R304. working? Is it HIGH? If OK change UEM. Measure voltage at Check S300. S300 when power Is it OK? key is pressed. Is it HIGH? Change S300 Keypad faults 2 Nokia Corporation Issue 1 04/2003 Confidential Page 47...
  • Page 48 If OK change UPP. X302. Are they ~1.8V? Measure COL1-4 (P1-P4) signals Change Z300. between UPP and X302. Are they ~1.8V? Make sure there are no shorts on Z300. If OK change UPP. Nokia Corporation Page 48 Confidential Issue 1 04/2003...

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