Nokia Customer Care RH-19/RH-50 Series Cellular Phones 6 - Baseband Description and Troubleshooting Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care This page has been intentionally left blank Page 2 2004 Nokia Corporation.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Table of Contents Page No Baseband Top-Level Description .......................................................................................................... 5 Baseband block diagram .................................................................................................................... 5 RH-19/RH-50 baseband feature list .....................................................................
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care LED power supply ...............................................................................................................................30 Keypad ...................................................................................................................................................30 SIM Interface ..............................................................................................
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Baseband Top-Level Description THe RH-19/RH-50 product is a hand portable GSM850 (RH-50), EGSM900 (RH-19) GSM1800 (RH-19/RH-50), GSM1900 (RH-19/RH-50) DCT-4 generation phone for the expression segment, with optional active covers available.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care RH-19/RH-50 baseband feature list Hardware characteristics: • Single PWB design • Universal Phone Processor UPP8Mv2.6 (RH-19) or UPP8Mv3.5 (RH-50) with 8Mbit internal SRAM • Additional external 4Mbit SRAM and 64MBit FLASH memory in one single package (called Combo).
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Humidity Relative humidity range is 5.....95%. The BB module is not protected against water. Condensed or splashed water may cause interim or permanent phone malfunction. Any submerge of the phone most likely causes permanent damage. Frequencies in baseband There are several clock frequencies at the baseband part. Below table lists all available frequencies.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Baseband Architecture Baseband core Universal Phone Processor (UPP) Main characteristics of the used UPP are: • DSP by Texas Instruments, LEAD3 PH2+ Megacell 16 bit DSP core, 32 bit I/F - max. speed 200 MHz. • MCU based on ARM/Thumb 16/32 bit RISC MCU core - max.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care • 32 kHz crystal oscillator • SIM interface and drivers • Security logic • Storage of IMEI code • Buzzer and vibra motor drivers • 2 LED drivers • Charging function • RF interface converters The UEMK is housed in a 168-pin uBGA package (12x12mm, 0.8mm pitch).
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Figure 2: UEMK state diagram Page 10 2004 Nokia Corporation.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting The text below explains the state diagram. The symbol ' ' means that the voltage rises and 'Ê' that the voltage drops. '→' Means the result of the conditions set on the left most side.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Backup In BACK_UP mode the main battery is either disconnected or has a low voltage level (VBAT < VMSTR- and VBACK > V_BUCOFF+). The regulator VRTC that supplies the real time clock is disabled in BACK_UP mode. Instead the unregulated backup battery voltage VBACK supplies the output of the VRTC. All other regulators are disabled and the phone has no functionality.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting From SLEEP the UEMK enters PWR_ON if SLEEPX goes high, PWR_OFF mode if watchdog elapses or BACK_UP mode if VBAT drops below VMSTR-. Protection mode The UEMK has two separate protection limits for over temperature conditions, one for the charging switch and one for the regulators. The temperature circuitry measures the on-chip temperature.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care MCU. VCORE supplies the core of the UPP and can be adjusted on the fly by the MCU if DSP capacity is inadequate. Higher VCORE supply (1.8 V) results in faster core operations in the UPP. The regulator VFLASH2 supplies audio circuitry and is controlled by the MCU Regulators VANA, VFLASH1 and VIO are solely controlled by the UEMK and cannot be enabled or disabled by the MCU.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Figure 3: Baseband power distribution Baseband UEMK RF Regulators VR1A VR1B VR2-7 6 SIM VSIM VCORE Baseband Regulators UPP VANA VIO RTC FLASH VFLASH1 VFLASH2 Battery VBAT LCD CHACON Backup battery LED LED regulator ACC regulator Keyboard/display VOUT IHF PA Active Cover PA Supply Tomahawk Connector PopPortTM System System Connector Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care DC characteristics The following table reflects the specifications of voltage and current regulators within the UEMK: Table 2: UEMK regulator outputs Output Voltage (V) Regulator Output Current (mA) Target Min Typ Max Min Max VR1A RF 4.6 4.75 4.9 0 10 VR24 RF 2.70 2.78 2.86 0.1 100 VR3 RF 2.70 2.78 2.86 0.1 20 VR4 RF 2.70 2.78 2.86 0.1 50 0.1 VR5, VR61 RF 2.70 2.78 2.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Charging The charging of the main battery is controlled by the UEMK. External components are needed in order to sense charging current and voltage that are needed by the Energy Management (EM) software and to protect against EMC into the baseband area. The charger is connected to the phone via the DCT3 bottom connector or the charger pads of the PopPortTM system connector.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Audio block diagram Figure 5: Audio block diagram VIBRA UEMK UPP M VBAT MICB1 internal microphone path MIC1P MIC1N EARP EARN EARDATA MICDATA Earpiece HOOKINT MICB2 accessory transmit path MIC2P MIC2N accessory receive path HF HFCM XEAR XMICP XMICN XEARP XEARN Tomahawk Connector EARDATA MICDATA Internal Microphone earpiece path IHF speaker path + IHF Speaker On/Off IHF Amplifier J103 GENT
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting which is provided by UEMK and is fed through a resistor to the microphone. A resistor is also needed to the other side of the microphone, i.e. between microphone and GND, in order to provide the differential signals to UEMK. Audio signals are AC-coupled from the microphone. For the external microphone a differential input is used.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Acoustics Earpiece acoustic RH-19/RH-50 uses the so called "PICO" earpiece. This earpiece is mounted into the UI-shield assembly, the sealing of the back and front volume are implemented in the UI-shield by die casting. This sealing part also provides the sealing against the A-cover.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting water shield to protect the speaker inside from dust and swarf. Due to the fact that the IHF enclosure is also carrying the antenna radiator, the whole assembly is named antenna assembly. Due to heat stacking of the antenna assembly, it cannot be disassembled and in case of failure only be exchanged as one complete assembly.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Audio modes There are six different audio configurations.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Integrated hands-free audio mode In integrated hands-free mode IHF path and internal microphone path are used.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care RH-50 supports the loop set LPS4.: Table 6: Loop set mode audio routing Audio Source Earpiece Internal Microphone IHF speaker Speech Ringing tones, SMS tones Accessory receive path Accessory transmit path X X X X Keypad tones X Warning / Error tones X Game tones X External hands-free audio mode In external hands-free mode accessory receive path and accessory transmit path are used.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting User Interface LCD module RH-19/RH-50 is using a 130 * 130 dot LCD display with 4096 colors. The illumination is integrated into the LCD module. Baseband-LCD interface The LCD display is connected to the transceiver PWB by 10-pin board-to-board connector. Figure 8: LCD connector 1 10 DC characteristics Display is using 3-wire serial interface. Signals for LCD panel are shown in table below.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 8: LCD Interface DC characteristics Pin No Signal name Description Min Typical Max Unit Description 1 VDDI IN 1.7 1.8 VDD V Logic voltage supply 2 RESX IN H: 0.7xVDD L: 0 H: VDDI V L: 0.3xVDDI Reset (active low) 3 SI IN H: 0.7xVDDI L: 0 H: VDDI V L: 0.3xVDDI Serial input 4 SCL IN H: 0.7xVDDI L: 0 H: VDDI V L: 0.3xVDDI Serial input clock 6.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Current consumption Table 9: LCD interface current consumption Pin No. Signal name Description Min Typical Max Unit Description 6/8 VDD Display pixels - 0.5 1.25 mA Full mode, 4 k colors. Maximum for chess pattern picture. 6/8 VDD Display pixels - 0.15 0.25 mA Partial mode, 32 lines, 4 k colors.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 11: AC characteristics Signal Symbol Parameter Min Max Unit CSX TCSS Chip select setup time 10 - ns TCSH Chip select hold time 35 - ns tSCYC Clock cycle 150 - ns tSLW Clock pulse "L" duration 60 - ns tSHW Clock pulse "H" duration 60 - ns TSDS Data setup time 60 - ns TSDH Data hold time 60 - ns SCL SI 1. Rise tr and fall tf time must be within 15 ns maximum. 2.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Reset timing Reset timing characteristics are shown in the figure below. Figure 11: Reset timing Table 13: Reset Timing Signal Symbol Parameter Min RESX tRW Reset pulse duration 200 tRT Reset cancel Max Unit ns 1500 ns Display power on/off sequence Power on/off sequence if described in the figure below.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care LED power supply In RH-19/RH-50, white LED are used for LCD and for keypad lighting. Two LED are used for LCD lighting and six LED for keyboard. A step up DC-DC converter TK11851 is used as a LED driver. Display Module DCDC-Converter TK11851 Vbat Shutdown (DLIGHT) Vfb R R R Keypad LEDs Ricd The display LEDs are driven in serial mode to achieve stable backlight quality.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Figure 13: RH-19/RH-50 key pad Within the RH-19/RH-50 design, there was a requirement to allow the use of multiple keys to be operated at a time, for use with games etc. Thus the keypad can be operated in this manner. The power on key is connected to the UEMK PWRONX signal. Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care SIM Interface RH-19/RH-50 uses the same SIM card reader (SIM reader) as the NPL-2. Electrical connection of SIM reader is similar to other DCT4 products. The SIM interface is split between UEMK and UPP (see figure below). This has been done in order to reduce the amount of interconnections on the SIM interface between the UPP and the UEMK. The SIM interface control logic and UART is integrated into the UPP.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care BB-RF Interface The below table describes all the signals from the baseband block to the RF block and back. The signal names are based on the schematics. Digital signals between BB and RF For the digital interfaces UPP and Mjoelner use only level shifting IO. Level shifters of both are supplied with VIO from UEMK. VIO limits are specified in chapter 5.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 14: RF-BB interface digital signals Signal name From To Parameter RESET GENIO(6) UPP GENIO6 Mjoelner RESET Logic "1" Mjoelner input 1.22 Logic "0" Page 34 UPP output Min 1.37 Typ Max Unit Notes V Reset to RF chip. Active low. 1.88 V Mjoelner input 0 0.4 V UPP output 0.40 V 0 2004 Nokia Corporation.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Analog signals between BB and RF The values indicated in the table below are input requirements of the device in the "to column" when nothing else is stated. Values are referenced to GND unless other wise specified.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 15: RF-BB interface analog signals Signal name From To Parameter Min Typ Max Unit Notes TXC RFAUXCONV(0) UEMK AUXOUT Mjoelner TXC Output voltage 00.1 2,4 2.55 V Transmitter power control 200 W Page 36 Source impedance Resolution 10 Reference Auxref (VrefRF01 ?) Power coef. Range. 0,05 0,94 Vtxc/ Vtxc_m ax Recom. Power Coef.1 @ pwr.lvl.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Voltage regulators in BB for RF Values are referenced to GND unless otherwise specified. Table 16: Voltage supplies and references Signal name From To Regulators VR1A Parameter Min Typ Max Unit Notes UEMK Output Voltage 4.6 4.75 4.9 V Mjoelner Input Voltage 2.64 2.78 4.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 16: Voltage supplies and references Signal name From To Parameter Min Typ Max Unit Notes VR5 Mjoelner VDDPRE VDDLO VDDPLL UEMK Output Voltage 2.70 2.78 2.86 V Mjoelner Input Voltage 2.64 2.78 2.86 V Load Current 0.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 16: Voltage supplies and references Signal name From To Parameter Min Typ Max VREF1 Mjoelner VBEXT UEMK Output Voltage 1.33 1.35 4 1.366 V Mjoelner Input Voltage 1.32 1.35 5 1.375 V UEMK VREF01 Load Current Load Capacitance (3) 800 1000 Unit 100 mA 1200 nF Notes Used inside MJOELNER as 1.35V reference (4) Settling Time Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care System Connector Interface System connector The system connector in RH-19/RH-50 (and several other DCT-4 products) is called PopPortTM system connector. It is a galvanic interface between phone and accessories.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Table 17: System connector interface description Pin # Signal Notes 1 VCHAR 2 GND Charge ground 3 ACI Insertion & removal detection / Serial data bi-directional 1 kbit/s 4 Vout 5 Not used in RH-19/RH-50 6 FBUS_RX Serial data from accessory to phone / 115 kbit/s 7 FBUS_TX Serial data from phone to accessory / 115 kbit/s 8 GND Data ground 9 XMIC N Negative audio in signal 10 XMIC P P
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care the ACI line. Figure 16: Principle schematics of ACI accessory and engine Signal flow on ACI line - ACI-ASIC accessory inserted Figure 17: ACI communication VheadInt 1 VFLASH1 Vhigh 2a RESET Learning Sequence 4 Normal ACI communication 7 9 9a 6 Vhead_min 8 Vaci_detect 1a Vlow 2 3 5 1.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care 6. Learning sequence (567-1700us) 7. ACI communication 8. MBUS is disconnected from HeadInt line (MBUS switch). After every communication. 9. Accessory is removed (no insertion & removal resistor on ACI line) --> phone gets HeadInt interrupt from ACI line low to high transition. 9a) If no HeadInt interrupt comes in the next 100ms the accessory is really removed and the phone goes in the state "no accessory".
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care 4. Accessory is removed. Phone gets HeadInt interrupt from ACI line low to high transition. 4a) If no HeadInt interrupt comes in the next 100ms the accessory is really removed. FBUS FBUS is an asynchronous data bus with separate TX and RX signals. Default bit rate of the bus is 115.2 Kbit/s. FBUS is used as additional communication channel from phone to accessory and vice versa.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Figure 19: Accessory power supply diagram TM Tomahawk PopPort bottom connector VBAT UPP Voltage regulator GenIO(0) En VOUT 0.9R LP3985 DC resistance of ferrite + impedance of line and connector Table 20: Accessories Power Supply Signal Min Nom Max Unit Note Vout 2.63 2,56 2.80 2.88 V I = 70mA Imax = 150mA GenIO(0) 1.4 1.88 0.6 0.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care during the phone is in the sleep mode, it must be done by polling. That means the micbias and the hookInt signal must be enabled in regular time intervals. Table 21: Voltage Levels Hook Int Signal Min Nom Max Unit VFLASH1 2.7 2.78 2.86 V MICB2 2.0 2.1 2.25 600 V uA Vhook1 1.25 1.35 1.45 V Note Charging RH-19/RH-50 can be charged via a DC-plug or charging pins on the system connector.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Voltages and currents Table 23: System connector interface signals Pin # Signal 1 VCHAR 2 GND 3 ACI 4 Vout Parameter Min Typ 0 Max Unit 9 0.85 VDC ADC Charge ground Logic "0" 0 0.2 0.7 V Insertion & removal detection / Serial data bi-directional 1 kbit/s Logic "1" 1.7 2.78 2.86 Output voltage 2.56 2.8 2.88 VDC 150 mA 70mA is specified as the max.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Baseband Calibration Energy management calibration Dispersion in UEM AD-converters and external components must be compensated. EM Calibration is used for calibrating battery and charger settings of the phone.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Select “Calibrate” to run the selected calibrations. Calibration method without JBV-1 Calibration for RH19/RH-50 must be done in LOCAL-mode. ADC-converter calibration is made with two different calibration points. • Connected 0.7V to BSI line -> read AD-converter value. • Connected 2.1V to BSI line -> read AD-converter value. • SAVE VALUE to PMM (Permanent Memory) area.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Close the “Energy Management Calibration” – dialog to end tuning. You must manually switch the phone on after exiting “Energy Management Calibration” dialog. LCD contrast tuning Extra equipment not needed This function is used to calibrate the LCD Contrast Must be done when LCD module is replaced and there is a considerable difference in the contrast! Select TEST mode if not already selected.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Select Maintenance => Testing => Display Tune Press “Default” button and following default values will be set; “Contrast offset slider” is set to 0% (See picture below) “Contrast Factory offset” slider is set 41 Tune the Contrast by using “Contrast Factory offset” slider. Close the “Display Tune” – dialog to end tuning. Check the contrast from the Phone UI.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Baseband Testpoints List and description Table 25: RH-19/RH-50 test points Signal Test point Function Characteristics FBUSTX J411 Flash programming data and phone control From phone to FPS-8/PC 1.8V during read phone information 1.8V digital signal FBUSRX J412 Flash programming data and phone control 1.8V during read phone From FPS-8/PC to phone information 1.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Table 25: RH-19/RH-50 test points Signal Test point Function Characteristics Note COL0 J325 1.8V pulse From Z300 to Vol.
1 VCHAR 2 GND 3 ACI 4 VOUT 5 n.c. 6 FBUS RX 7 FBUS TX 8 GND 9 XMICN 10 XMICP 11 XEARN 14 Tomahawk 1 J103 EXTRDX J417 FLSCX J420 J109 J110 J419 FLSCLK EXTWRX J416 J108 J107 VPP J103 J420 J417 FBUSTX 4 3 VSIM J419 J416 GND MBUS FBUSRX X387 SIMRST NC 6 1 SIMCLK SIMDATA 14 n.c. 13 n.c. 12 XEARP 32,6 kHz Sleep CLK VSIM 1,8 / 3,0V DBUSDA J414 VANA 2,78V FLS2CSX PURX DBUSCLK J418 J402 VR1A 4,75V VIO 1.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Testpoints on top side J312 J303 J301 J314 J302 J308 J315 J310 J311 J309 J100 J101 J106 VBATT BSI GND J112 J111 J200 J401 J321 J326 J322 J320 J327 J331 LED's J325 J328 J324 J329 J323 J104 J316 J317 J332 J333 J318 J330 Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Baseband Troubleshooting This document outlines the various possibilities that may be encountered with respect to the repair of the RH-19/RH-50 product (3100/3100b). It covers only the baseband parts of the product, for problems within the RF parts, please refer to the RF trouble-shooting guide.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Top level flowchart START RETEST Top No Is the Phone totally dead? Yes Phone is dead No Flash faults Yes Phone is jammed No Charger No Does the Flash programmming work? Yes The phone wont start up or is jammed? No Does the charging work? Yes Top2 Issue 3 05/2004 2004 Nokia Corporation.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Top2 Does Phone read the SIM card? SIM card No Yes Audio faults? Yes Audio faults No Has the display or LEDs a problem? Yes Display faults No Keypad faults No Does the Keypad work? Yes END Page 58 2004 Nokia Corporation.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Phone is dead Phone is dead Is VBAT=3.7VDC (meas. on X103)? No Failure in VBAT line, check: X103 Comp Value Grid Loc. C260 1u0 J7 C261 1u0 K6 C262 1u0 J7 C263 1u0 J7 C264 1u0 J7 C265 1u0 J8 L260 600R/100 MHz I7 L261 600R/100 MHz K6 L262 600R/100 MHz I7 L263 600R/100 MHz I7 L264 600R/100 MHz I7 L265 600R/100 MHz I8 Comp Value Grid Loc.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Dead2 Is Sleep CLK on J404 = 32.8kHz, 1.8Vpp? No Check: B200, C209, C210, PWB then replace D200 Yes See Waveform 1 Is PURX=1.8VDC on J402 1sec. after power key is pressed? No Replace D200, PWB No Check C227 then replace D200, PWB Comp Value Grid Loc. B200 32.768 kHz M6 C209 10p M6 C210 10p N6 Yes Is VR3=2.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Flash faults Flash faults Does the phone set the Fbus TXD at J411 line high after the startup? Measure BSI pulse during Flash programming. Is it OK? Yes Yes Measure FBUSTX line during Flash programming from testpoint J411. Is it 1.8V? Change UPP Does the phone set Fbus TXD line low after the line has been high? Check BSI line, X103, C100, R202, C240, R206 Yes No No Comp Value Grid Loc.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Flash faults 2 Is the manufacturer ID or Device ID incorrect? Yes Change Combo No Is he phone totally dead? Yes Phone is dead Yes Phone is jammed No Does the phone not start up or is the phone jammed? No Retest Page 62 2004 Nokia Corporation.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Phone is jammed Phone is jammed Measure VIO, VCORE, VFLASH1, VANA, VR3 voltages. Are they OK? No Check L260-L265, C260-C265, BSI/BTEMP lines and VBATT lines Check VBATT1-6, VIO, VCORE, VFLASH1, VANA, VR3 lines. Are they ok? Yes Yes Measure 32.8kHz Sleep Clk from testpoint J404. Is it OK? No Retest Check BSI/BTEMP lines. If OK UEM regulators are not working. Change UEM.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting P a rt 2 Comp Value Grid Loc. R420 1k0 L5 R426 1k0 K5 C426 1n0 K5 C420 47p L5 N601 ASIC H4 J402 TP N3 Nokia Customer Care S e e W a v e f o rm 5 M e a s u re 2 6 M H z R F C lk f ro m R 4 2 0 . Is it O K ? Check R420, C420, R426, C426. If o k c h a n g e N 6 0 1 . Yes M e a s u re P U R X s ig n a l f ro m te s tp o in t J 4 0 2 . Is it 1 .
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Jammed 2 Phone shutsdown after 30sec? Measure watchdog signal CBUSDA from testpoint J407. Is it ok? Yes No No Change UPP See Waveform 6 Measure DBUSClk 13MHz signal from testpoint J413. Is it OK? No See Waveform 7 Yes Measure FBUSRX signal during phone info read from testpoint J412. Is it OK? No No Change UEM Check phone info.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Charger Charger Connect charger (ACP-7E) Does Battery bar work? Yes Measure voltage over (TVS) V100. Is it >3.0 Vdc? No Check X102, C106, C110, F100, L100 and line. Comp Value Grid Loc. V100 # - T5 C106 # 1n0 S5 C110 # 22p T5 F100 # 1.5A S4 L100 # 42R/100MHz S5 R207 4k7 N6 C220 10n N6 R202 100k L9 R106 47k O5 Yes Read BTEMP value. (compare it to ambient temperature).
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care SIM card error SIM card Insert SIM card faults? No Yes Does phone enter LOCAL MODE. OK? No Check BSI line, X103, C100, R202, C240, R206. If OK change UEM. Yes Measure VSIM voltage from X387. Is it 3V? No Check VSIM line, X387, C390, C203. If ok change R388. If still wrong VSIM voltage change UEM Yes Check SIM power Up sequency. Is it OK? No Check SIM lines. If OK change R388.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Audio faults Audio faults Is HP earpiece working? Try changing earpiece. Is it working now? No No Yes Yes Set phone in LOCAL mode. Use Phoenix Audio Test. Set EXT IN, HP OUT, LOOP ON Measure DC offset voltagefrom Earpiece pads. is it ~1.38V to GND? Comp Value Grid Loc. L150 # 2x1000R B 5 /100MHz No Check L150, R151, C179, C180 and line. If OK change UEM.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Audio faults 2 Is HP microphone working Change microphone. Is it working now No Yes Yes No Set phone in LOCAL mode. Use Phoenix Audio Test. Set HP IN, EXT OUT, LOOP ON. Audio faults 3 Measure MICB1 DC voltage from MICP pads. Is it >1,0VDC Yes No Check R153, R157, C153, C159, C171, C172 and line. If OK change UEM.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Audio faults 3 Nokia Customer Care Comp Value Grid Loc. L103 # 2x1000R T 7 /100MHz Is Ext-ear working No Set Phoenix LOCAL mode. Select Maintenance -> audio test. Set Ext in IHF/Ext out to ON Yes Measure DC volts on speaker pins of connector. Are they ~0,8V DC (to GND) Is Ext-mic working Yes Change UEM No No Set Phoenix LOCAL mode. Select Maintenance -> audio test.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Audio faults 4 Is IHF speaker working? Change speaker. Is it working now? No Yes No Set Phoenix LOCAL mode. Select Maintenance -> audio test. Set Ext in IHF/Ext out on ON Yes Measure DC volts on speaker pads. Are they ~0.5Vbat (to GND) Check C155, C158; C162, R167, R164, R163, C161, lines. If ok change N150 No END Yes Measure Shutdown voltage on R168. Is it ~1.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Earpiece fault Earpiece 2 Connect EXT audio signal 1kHz (sine 200mVpp) to XMICP pads and Ground on XMICN. Set up Phoenix Audio test as shown in diagram 1 Measure sine signal from earpiece pads. Is it ~320mVpp No Mesure sine signal at UEM (R172). Is it ~200mVpp Yes No See Waveform 9 Yes Change UPP Change UEM Check R162, C170, C166, C174, C173 and line.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Display fault Set phone into local mode. Set VBATT 4.2V. Start display test with Phoenix. Set display and keypad lights on. Display faults Are the LEDs turned on? No Check N300 Measure signal from N300 pin 4. Is it ~18.5V? Value Grid Loc.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Display faults 2 Change UI module. Is it working? Nokia Customer Care Yes Change the UI module. No Open Phoenix, enter Test mode and goto Testing > Lights > Display > Select Test > Contrast Test. Set the height and width values to 128 respectively.Then click Send to Phone No Does the display work? Check X302 Yes Measure VDD (2.78V) and VDDI (1.8V). Is it OK? No Yes Change UEM Measure RESX, CSX. Is it ~1.
Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Nokia Customer Care Keypad fault Keypad faults Is the power key working? Measure voltage from S302. Is it 3.7V? No Yes No Check R306, C310, S302 and line. If OK change UEM Yes Measure voltage from S302 when power key is pressed. Is it high? Yes Check S302. Is it OK? No No Keypad faults 2 Phone is jammed Yes Phone is dead Change S302 Retest Comp Value Grid Loc.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Keypad faults 2 Are keys working? Yes No Measure SLEEPX signal from J403 when key is pressed. Is it 1.8V? Yes When keypad is pressed, the LEDs are turned on? Yes Display faults END Page 76 Comp Value Grid Loc. J403 L4 TP No Check lines. If still failing change UPP. No Check lines. If still failing change UPP. Retest 2004 Nokia Corporation.
Nokia Customer Care Company Confidential RH-19/RH-50 6 - Baseband Description and Troubleshooting Selftest failure Selftest If any of selftests is failed, contact service information will be shown on display. Set phone toLOCAL mode by BSI resistor (3.3 kOhm). Connect phone to Phoenix using the DAU-9T cable and 'Tomahawk' Goto the 'Testing' menu and then to 'Self Tests'.
RH-19/RH-50 Company Confidential 6 - Baseband Description and Troubleshooting Nokia Customer Care Active cover interface A c tiv e Cover W a it > 1 0 s e c fo r c o v e r d e te c tio n w ith p h o n e M e a s u re V o lta g e a t C T I. Is it a p p ro x 2 .8 V A c tiv a te A c tiv e c o v e r in m e n u Yes Connect a 200kohm re s is to r b e tw e e n C T I and GND P la y a rin g in g to n e Yes M e a s u re v o lta g e a t C T I. Is it a p p ro x 1 .9 V ? C h e c k V o lta g e a t V D D . Is it 2 .
