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RH-128

RF Description and Troubleshooting

Figure 10: Receiver IQ level on CDMA Cell band

Figure 11 shows the Cell spectrum with an inject tone at -75 dBm, as well as the IQ output test points. Note
that DC is present on the IQ output test points. All test points should be approximately equal.

Figure 11: Cell spectrum (left) and IQ output test points (right)

COMPANY CONFIDENTIAL

Page 6-

Issue 1

Содержание 1506

Страница 2: ...RH 128 Amendment Record Sheet COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved ii Issue 1 Amendment Record Sheet Amendment No Date Inserted by Comments Issue 1 December 2009 Lijun Gu ...

Страница 3: ... and improvements to any of the products described in this document without prior notice Under no circumstances shall Nokia be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implied including but n...

Страница 4: ...OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS SERVICE STATIONS BLASTING AREAS ETC z OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT INCLUDING CELLULAR TELEPHONES MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS OTHER ELECTRONIC EQUIPMENT MAY...

Страница 5: ...ly qualified personnel may install or repair mobile terminal equipment ACCESSORIES AND BATTERIES Use only approved accessories and batteries Do not connect incompatible products CONNECTING TO OTHER DEVICES When connecting to any other device read its user s guide for detailed safety instructions Do not connect incompatible products ...

Страница 6: ...protection must be applied All electronic parts of the product are susceptible to ESD Resistors too can be damaged by static electricity discharge All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside any ESD Protected Area EPA Every repair action involving opening the product or handling the product components must be done under ESD protection E...

Страница 7: ...d Do not store the phone in hot areas High temperatures can shorten the life of electronic devices damage batteries and warp or melt certain plastics Do not store the phone in cold areas When it warms up to its normal temperature moisture can form inside which may damage electronic circuit boards Do not drop knock or shake the phone Rough handling can break internal circuit boards Do not use harsh...

Страница 8: ...ndeavor has been made to ensure the accuracy of this document some errors may exist If any errors are found by the reader NOKIA MOBILE PHONES Business Group should be notified in writing Please state Title of the Document Issue Number Date of publication Latest Amendment Number if applicable Page s and or Figure s in error Please send to NOKIA CORPORATION Nokia Mobile Phones Business Group Nokia C...

Страница 9: ...roduct switched on until it turns itself off or by using the battery discharge facility of any approved accessory available for the product Do not attempt to discharge the battery by any other means Use the battery only for its intended purpose Never use any charger or battery that is damaged Do not short circuit the battery Accidental short circuiting can occur when a metallic object coin clip or...

Страница 11: ...kia All rights reserved xi Issue 1 Nokia 1506 L3 4 Service Manual Structure 1 General Information 2 Service Software Instruction 3 Service Tools 4 Antenna Description and Troubleshooting 5 Baseband Description and Troubleshooting 6 RF Description and Troubleshooting 7 Schematics Glossary ...

Страница 15: ...a All rights reserved Page 1 3 Issue 1 Table of Contents Product selection page 1 5 RH 128 PCI overview page 1 6 Phone features and sales package page 1 7 Accessories page 1 8 Technical Specifications page 1 8 General specifications page 1 8 Battery endurance page 1 9 ...

Страница 17: ... General Information Product selection RH 128 Nokia 1506 mobile terminal offers a CDMA single band engine Figure 1 View of RH 128 COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 1 5 Issue 1 ...

Страница 19: ...ck required for UHJ support z Micro USB 2 0 z White Backlighting z Lanyard notch hole SW z Long SMS just for China telecom version z SMS with predictive text z Calling Restrictions z 32midi ring tone z Minimum 500 contacts with 5 phone entries per name z Access to Voice Mail z Alarm Clock Calculator Calendar Timer World Clock z Voice Memo recording at least 90 seconds z MSL SPC supported z OTAPA O...

Страница 20: ...H 128 z Standard Battery 860 mAh Li on BL 4C z AC 6C AC 8C z User Guide Accessories Supported accessories Type Name DC 6 Car Charger AC 6C Travel Charger DT 28 Charging Deskstand WH 101 Stereo Headset WH 100 2 5mm Mono headset CA 101 Micro USB Cable Technical Specifications General specifications Unit Dimension mm Weight g Volume cc Transceiver with BL 4C 860 mAh Li Ion battery pack 103 8 43 15 4 ...

Страница 21: ...Information COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 1 9 Issue 1 Battery endurance Battery Talk Time Standby Time BL 4C 860 mAh Li ion 3 25 hours China 2 to 10 days SEAP MEA LTA 4 to 10 days ...

Страница 25: ...2009 Nokia All rights reserved Issue 1 Page 2 3 Table of Contents Software summary page 2 5 Hardware Operating system and environment request page 2 5 Software utilization page 2 5 Installation page 2 5 Use of AMS page 2 8 Download Mode page 2 11 General Mode page 2 16 ...

Страница 27: ...oftware utilization Insert Dongle AMS has two function modes Download mode and General mode When in download mode the handset must be working in this mode When in general mode the handset must be working in power up mode AMS tool will report Warning message if the two modes are used incorrectly Download mode comprises of one type Emergency Download General mode includes six types Phone Information...

Страница 28: ...RH 128 Service Software Instruction 3 Select I accept the License Agreement s Then click Next 4 Click Next COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 6 ...

Страница 30: ... mode The following are steps of entering download mode 1 Resume power supply after the mobile phone is powered off 2 Connect your phone with PC run AMS 3 Input ID and Password and then press the button Enter to enter Select Phone panel ID Carlisle Password 1234 btcsz After the above actions are completed you can use the download functions of AMS 1 Run AMS and pop up Select Phone dialogue box 2 Se...

Страница 31: ...n 3 Deselect this option if you just want to use general mode 4 Click Select Phone button The general mode is shown as below Download mode is shown as below COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 9 ...

Страница 32: ...panel When the dialogue box is closed and if you want to use AMS tool you can re open the dialogue box in the panel 1 In the main menu select Phone 2 Select the submenu New to open a new dialogue box COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 10 ...

Страница 33: ...e contains all BIN files requested by mobile phone The file name is composed of 5 parts For example RH128_MNV_CL_1500B00_N800 Mode Type Carrier Version info N Non RUIM R RUIM 1900 or 800 RF parameter Steps for installing package 1 Double click the package you want to install It displays as below 2 Click the button Next 3 Click the button Install to start the installation COMPANY CONFIDENTIAL Copyr...

Страница 34: ...n In Emergency Download it is possible to search and display all suitable version files according to the CPC code input by user These version files are used for software download 1 Click the tab to switch to Emergency Download 2 It displays as below COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 12 ...

Страница 35: ...RH 128 Service Software Instruction 3 Input CPC code 4 Click the button OK A list of related version files is displayed COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 13 ...

Страница 36: ...registered the msxmil4 dll file There are four steps to register the msxmil4 dll file 1 Install MSXML 4 0SP2_cn msi 2 Copy msxml4 dll and regist_msxml4_object bat to the PC path where AMS is installed 3 Run regist_msxml4_object bat by double click 4 If it is registered successfully restart AMS Select the version file you want to download COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserve...

Страница 37: ...ault If you don t need to erase FSM data you can deselect this option it is not recommended to modify the default setup except for software developers 6 Click the button Download to start the download COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 15 ...

Страница 38: ...eral Mode The General Mode provides five different functions including Phone Information Display Capture Label Printing Critical Data Backup and RF Calibration Before using this mode the handset must be in Power Up status COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 16 ...

Страница 39: ...handset and display them on the screen The nine parameters are Module Number PSN ESN MEID HWID Application Code Language Pack Warranty Data and CPC 1 Switch to Phone Information 2 It displays as below 3 Click button Refresh to refresh the current data parameters 4 Refresh is finished COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 17 ...

Страница 40: ...pture is used to capture the screen of the handset and then choose the path to save The file can be saved as BMP JPG and PNG formats 1 Switch to Display Capture 2 It displays as below COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 18 ...

Страница 41: ... Click the button Begin To Capture and a box SnapShot appears as below 4 Click the button Connect 5 It displays a connection successful message in dialogue box COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 19 ...

Страница 42: ...ware Instruction 6 Click the button GetImage to capture the current screen 7 Click Option 8 In Option modify the directory to save the image COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 20 ...

Страница 43: ...9 Click Browse 10 Choose the save directory 11 Click the button OK the left button to confirm the save directory is modified and saved 12 Switch back to Main COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 21 ...

Страница 44: ...abel Printing is used to print out the product label Read out the data from the handset and transfer into printing file to print it out Note Please make sure you have installed RF Tool Run Time before you using label printing Set up the printer before label printing Select Start Control panel Printer and fax on your PC COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 22...

Страница 45: ...i printer as the default printer Right click the icon select Properties choose Port sheet select Lpt1 port It means OK Click OK button finish the configuration 1 Switch to Label Printing 2 It displays as below COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 23 ...

Страница 46: ... Before printing you can adjust X Y offset for proper label print if needed the default coordinate of label s top left corner is set as 0 0 The latest X Y offset adjusted by you will be reserved when you open the tool next time COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 24 ...

Страница 47: ...l Data Backup Critical Data Backup is used to backup the data i e RF parameters 1 Switch to RF Backup 2 It displays as below 3 Click Critical Data Backup to start the backup The button is disabled COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 25 ...

Страница 48: ...e backup is finished The button is enabled again RF Calibration RF calibration is a tool for automatic tuning of the RF values of target and automatic testing of the RF performance COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 26 ...

Страница 49: ...ruction 1 Click on the RF Calibration tab 2 RF Calibration screen 2 1 Log Display Frame Log Display calibration information 2 2 Control Setting Frame COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 27 ...

Страница 50: ...d Select Action Calibration or Test Select Function Enable save Log Enable Detail UI information and enable Mo call mode Test Set info Show test set which program auto detected 3 Program Setting Config Setting COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 28 ...

Страница 51: ...test Final result will be shown on Text Window Click on the Stop button to stop calibration or test on current step 6 Battery Calibration In battery Calibration select Config Power supply Control and set Communicate port as serial port Otherwise the battery Calibration value will write default value Program support power supply Type Agilent E3631 Agilent 66319 Agilent 66309 Agilent 66311 Agilent 6...

Страница 52: ... the cause of a failed test Enter the Error code in Error Code String window click on OK button The detailed error information will show Text window For example Error code 17815 can Translate as shown below DebugTool DebugTool overview The DebugTool is used for online debugging and repair analysis COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 30 ...

Страница 53: ...n A text message box shows the command sent out and received Config and Error code Translate Config Config setting panel can set com port type USB or Serial com port number and baud rate Error code Translate Enter the error code in Error Code text box then click on OK button Error code will be Translated in the message window COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Pa...

Страница 54: ...ons on the main panel will be recorded in this log The log is stored in the folder in local dir of program A sample log is shown as below This file is named by create time Text Info All operations are displayed in this window COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 32 ...

Страница 55: ...or communication All the buttons are dimmed when the program is open To activate the buttons and setup soft hub first click on the Setup Hub button Then wait for all buttons to be activated COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 2 33 ...

Страница 56: ...er when phone on A Start with power supply power down B Click on the Boot To Loader button C Power on Wait for phone to stop on boot D Click on the Enter Cal Mode button E Click on the Jump Loader button Then wait for 3s to 5s the phone is in the calibration mode Enter after phone on A Start with power supply power on until the phone is fully on B Click on the Jump Loader button D Click on the Ent...

Страница 57: ...e switch them to 5 groups of Aux ADC numerical value via AD Calibration Procedure A Start with reset system PS power down reset B Set the power supply to the desired value C Get the Aux ADC Value from the Debug Tool The battery AUX ADC detect channel is 1 the on off status is on Click on the Get Result button to get ADC value D Try more than 5 times Get the average value Store the power supply vol...

Страница 58: ...e PDM for a given Rx power is known Calibration Procedure A Start with reset system PS power down reset B Click on CP Enable Disable and CP Power Down Up Let the CP disable and power down C Set the channel Set the control mode to Manual and the band to the target band D Set the test set frequency channel to the test frequency For the first data point enter the channel used to calibrate the Rx AGC ...

Страница 59: ... example if the BS power is 85dBm and the gain state is 3 we get 96dBm from spy window The offset of gain 4 to gain 3 is 85 96 11dBm Write the calibration parameters to the non volatile area of flash memory Confirm the new calibration result J Iterate steps H I for all desired calibration points CDMA RxAGC Frequency Channel Adjustment About CDMA RxAGC Frequency Channel Adjustment This procedure is...

Страница 60: ...on frequency using the CP PLL Channel Config For the first data point enter the channel used to calibrate the RX AGC Set the Control mode as Manual the band to target band I Allow for 25 ms or more of settle time J Get the RxAGC Antenna Power dBm value using the DSPM Rx AGC Get Parms As show in the picture we get received power 101 1dBm K Calculate Error Power Transmission Power Antenna Power wher...

Страница 61: ...calibration must have already been completed C The RxAGC frequency channel adjustment and temperature adjustment tables must be zeroed D Connect the antenna to CDMA test set E Reset the UUT start Debugtool and do not press the Power key on the Virt MMI i e PS should be off and LID reset Send the message CP Enable with Disable option F Set the frequency channel to the calibration frequency using th...

Страница 62: ...ration should have already been performed This is performed for all gain states CDMA TxAGC Frequency Channel Adjustment Procedure A Perform the procedure at nominal or room temperature B The baseline RxAGC calibration must have already been completed C The RxAGC frequency channel adjustment and temperature adjustment tables must be zeroed D Connect the antenna to CDMA test set E Reset the UUT star...

Страница 63: ...te steps F to L for all desired calibration points and Write to store the values N Repeat steps F M for all desired gain points CDMA TxAGC Max Power Limit Frequency Adjustment CDMA TxAGC Max Power Limit Frequency Adjustment overview In order to perform this calibration the other Tx AGC calibrations should have already been performed This procedure is performed for only one gain state the highest g...

Страница 64: ...should be off and LID reset Send the message CP Enable with Disable option F Set the measurement equipment to the frequency channel used for calibrating the TX AGC G Turn off the transmitter test using the Tx Rate Test with the rate set to Tr Full Rate H Set the frequency channel to the channel used for calibrating the TX AGC using the PLL Channel Config CP PLL Channel Config Settings Ctrl Mode Ma...

Страница 65: ...tion must have already been completed C The RxAGC frequency channel adjustment and temperature adjustment tables must be zeroed D Connect the antenna to CDMA test set E Reset the UUT start Debugtool and do not press the Power key on the Virt MMI i e PS should be off and LID reset Send the message CP Enable with Disable option F Turn off the transmitter test using the Tx Rate Test with the rate set...

Страница 66: ... value K Set the measurement equipment to the measurement frequency channel L Get the Measured Tx Power over the 1 25 MHz bandwidth from the CDMA test set or other measuring device and get the Closed Loop Tx Power from the Current Tx Power The true power calculate Read Power 64 True Power dB M Calculate Power Error Measured Tx Power Closed Loop Tx Power N Store the Power Error dB versus frequency ...

Страница 67: ...For example Error code 17815 can Translate as shown Error Message Table Error_Class_3 1000 INIT_SetUp_ETSCOMPort_ERROR 3000 INIT_ModeSetting_ERROR 2000 Check_CPSWHWVersion_Compare_ERROR 4000 Check_CheckProcessBit_ERROR 5000 Check_BandSelect_ERROR 6000 Check_EndProcess_ERROR 7000 Cal_InitValue_ERROR 23000 Process_CheckBit_ERROR Process control Error 8000 Cal_TxAGCBaseCal_ERROR Calibration Error COM...

Страница 68: ...ormance Test Error Error_Class_2 390 INSTR_INSTRUMENTNULL_ERROR 400 INSTR_SETUP8960_ERROR 410 INSTR_SETCABLELOSS_ERROR 420 INSTR_WRITESECAPWR_ERROR 430 INSTR_SETONOFFSECAPER_ERROR 440 INSTR_WRITERFCHANNEL_ERROR 450 INSTR_SETUPTESTSET_ERROR 460 INSTR_RFPORTSET_ERROR 470 INSTR_SETIM2_ERROR 480 INSTR_SETOPERATINGMODE_ERROR 490 INSTR_SETITC_ERROR 500 INSTR_GETCURRPER_ERROR 510 INSTR_SETTXDYNAMIC_ERROR...

Страница 69: ...andGapData_WriteDB_ERROR 180 ETSCommand_Battery_AUXValGet_ERROR 190 ETSCommand_Battery_WriteDB_ERROR 200 ETSCommand_TransmitOnOff_ERROR 210 ETSCommand_SetPLLConfig_ERROR 220 ETSCommand_TxRateSet_ERROR 230 ETSCommand_DSPMTxAGCConfig_ERROR 240 ETSCommand_RF_WriteDB_ERROR 250 ETSCommand_HWResultDetect_OverRange_ERROR 260 ETSCommand_ModesEnableSlotted_ERROR 270 ETSCommand_ReceiverOnOff_ERROR 280 ETSCo...

Страница 70: ...er_ERROR 780 XMLMsg_Response_Null_ERROR 790 XMLMsg_Response_Corresponding_ERROR 800 XMLMsg_Response_Java_ERROR 840 XML_SFC_ReadWrite_ERROR MES Communicate Error 980 Result_OverRange_ERROR Test Result Error 990 Error_Max_Other Error_Class_1 8 Result_OverRange_Low_ERROR 9 Result_OverRange_High_ERROR Test Result Error 2 CMD_SETTING_ERROR 3 CMD_COMMANDSEND_ERROR 4 CMD_FINDRESPONSE_ERROR 5 CMD_RSPCORRE...

Страница 73: ... 1 Table of Contents Introduction page3 5 Service configuration page3 5 Service tools page3 5 Service configuration page3 6 MJ 200 handling instructions page3 6 External connections switch instructions page3 6 MJ 200 PWB pin definition page3 8 Handling instruction page3 8 Power on sequence page3 10 ...

Страница 75: ...This jig allows PWB level service and troubleshooting It supports regulated and unregulated DC input voltages a headset jack for audio tests and a RUIM card reader It also supports simultaneous RF connections to the CDMA engine AK05G 0650400W2 AC power adapter This AC power adapter with 5 50mm power cord connector is used to provide DC power to the mobile phone and service tools e g Module Jig fro...

Страница 76: ...he use of the service software It is not possible to use the service software without the dongle Service configuration The following diagram illustrates service setup with Module Jig MJ 200 handling instructions External connections switch instructions COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 3 6 ...

Страница 77: ...erial Port connect 9 pin serial cable with PC for battery calibration and RF calibration 7 CN101 AC Power Supply connector for AC adapter or power service cable 6 5V 7 5V 1A 8 S102 for main power and back up power switch 9 S2 Download Test mode switch Turn off when using the module jig enter download mode by pressing and holding up key on keypad 10 UIM slot COMPANY CONFIDENTIAL Copyright 2009 Noki...

Страница 80: ...e micro USB connector on Module jig for SW update flashing 3 Full Phone functionality Press 0000 select CIT test Manual test to perform the phone functionality check Power on sequence 1 S102 VCC1 Power Supply 1 AC adapter or power service cable Vcc1 6 5V 7 5V Imax 1A S102 VCC2 Power Supply 2 2 S1 on power on 3 S101 On main current S101 Off adding a current meter between two red banana connectors U...

Страница 83: ...ight 2009 Nokia All rights reserved Page 4 3 Issue 1 Table of Contents Introduction page 4 5 Visual quality requirements page 4 5 Failures and corrective measures page 4 5 Damaged RF feed point pin page 4 6 Obstructed RF feed point pad page 4 7 RF connector failure page 4 8 ...

Страница 85: ...h bare hands z No visual cracks or mechanical defects z No oil dirt or particles attached on the parts z Radiator must be flat without warping and aligned with the plastic housing z The length of all pins must be identical and the pins align Failures and corrective measures The two antennas are assembled into B Cover as shown in Figure 1 If no internal antenna is installed the antenna gain is degr...

Страница 86: ...antenna s RF feed point pin does not touch the PWB the antenna gain degrades by more than 17 dB z If the RF feed pin is broken or bent replace the antenna asm Module z If the RF feed pin spring turns out damaged replace the antenna asm Module Figure 2 Back view of internal antennas COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 4 6 Issue 1 ...

Страница 87: ...ntenna performance degrades z If there is any corrosion or the pad is missing replace the PWB z If a pad is obstructed or covered by something clean the pad z If any component of antenna match circuit is missing replace the related component Figure 3 PWB layout of RF feed point and antenna match circuit COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 4 7 Issue 1 ...

Страница 88: ...r if the value is close to zero replace the RF connector Note Do not insert RF cable to RF connector when testing the resistance value Because the RF connector is also a switch when RF cable is inserted RF output is disconnected from RF input z RF input terminal connect to duplexer z RF output terminal connect to the antenna pad through antenna match circuit z RF connector terminal connect to RF c...

Страница 91: ...13 Power Does Not Stay ON Troubleshooting page 5 14 Audio Faults page 5 15 No Sound in Earpiece Microphone refer to Audio PA Circuit design page 5 15 Audio Faults Troubleshooting page 5 16 Audio PA Circuitry page 5 18 Display Faults page 5 18 Display Faults Troubleshooting page 5 18 Keypad Faults page 5 20 Keypad Faults Troubleshooting page 5 20 Vibrator Faults reference to the Vibrator Circuit De...

Страница 93: ... components overview Component Model Number Supplier Baseband processor CBP 5 0 VIA PMU ACT5805 Active Memory TV00560002EDGB TOSHIBA LCD BM4531J BYD Figure 1 Component layout COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 5 5 Issue 1 ...

Страница 94: ...d are backward compatible to IS 95 CBP 5 0 integrates three processor subsystems ARM7TDMI Control Processor CP supports the protocol stack user interface and hardware interface processing Two TeakLite Digital Signal Processors DSPs one DSP supports CDMA modem processing the second DSP supports CDMA voice processing The main features of the CBP 5 0 z Supports CDMA2000 1X Release 0 z Backward compat...

Страница 95: ...x external devices via chip selects CBP 5 0 includes 48 GPIOs and interrupts some of which are multiplexed with other functions All GPIO pins are in input state by default and use a large pull up or pull down resistor value to minimize the current drain The USB port supports data rates of up to 12Mbps the USB analog drivers and 48 00MHz PLL are integrated into CBP 5 0 the control processor manages...

Страница 96: ...ubleshooting VDD_DIG 3 0v VDD_CORE 1 8v VDD_TXPLL 2 8v VDD_TCXO 2 8v VDD_ANALOG 3 0v VDD_RX 2 85v VDD_TX 2 8v VIB_P 2 8v 3 6v Figure 2 Component layout Bottom COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 5 8 ...

Страница 97: ...ower on state and continues with the software baseband initialization If the power key does not indicate a valid power on situation the CBP powers off the baseband Charger Charging is controlled by start up charging circuitry in order to detect and start charging in case the main battery is not full and the PMU has no supply Power Off While the PS_HOLD signal from the CBP is high and the PMU IC is...

Страница 98: ... and the RF regulators but excludes the RF power amplifier RF PA which drains power from the battery directly The battery provides power directly to the following parts of the system z PMU ACT5805 z RF PA z Vibrator z Keyboard LCD backlights z Audio Amplifier The heart of the power distribution is the power control block inside the PMU ACT5805 It includes all the voltage regulators and feeds the p...

Страница 99: ...enabled by the OSC_EN signal from the CBP When the selected transition occurs at OSC_EN the controller quickly enables the TCXO regulator and the input buffer and begins counting SLEEP_CLK pulses Within an initial power on period the TCXO will be stabilized to its own calibrated frequency This initial period in units of 32 768 kHz clock pulses is programmed into a timer within the controller When ...

Страница 100: ...g diodes LEDs for liquid crystal display LCD and keypad illumination There are two white LEDs for the LCD and six LEDs for the keypad KEYPAD_LED is the signal used to drive keypad LEDs LCD_BL_EN is the signal used to drive LCD LEDs The mobile terminal uses a color LCD The interface uses a parallel bus to transfer the Command Data between CBP and LCD COMPANY CONFIDENTIAL Copyright 2009 Nokia All ri...

Страница 101: ...eshooting instructions are divided into the following sections Power Does Not Stay ON Charger Faults Audio Faults Display Faults Keypad Faults No Vibration Series USB Interface Disabled UIM Card Unreadable Note CBP 5 0 is underfilled and cannot be replaced The Shielding Case Assy cannot be reused after removal After using the heatgun the domesheet needs to be replaced Power Does Not Stay ON The cu...

Страница 102: ...ge of PS HOLD and measure every output voltage of PMU the reference clock Power on needed is 19 2MHZ such as VDD_DIG VDD_CORE VDD_TXPLL VDD_TCXO VDD_RX VDD_TX 2 Check if the clock TCXO 19 2MHz and RTC 32 768KHz are normal 3 If the signals are abnormal please check the fault reason 4 If it is normal please check the welding of the CPU and Flash and perform welding or replacement Replacement include...

Страница 103: ...circuit receiver microphone is OK in hardware connection The bottom socket should be checked whether it has been short circuited to the ground If it is grounded the mobile phone software will detect that the earpiece is in the Insert Mode which sets the mobile phone in earpiece mode and it means that both of the earpiece and the microphone do not work 2 If the test result shows that the Loopback i...

Страница 104: ...st try to recover the earpiece by performing the experiment described above If it still doesn t work Audio PA chip or CPU chips may be damaged from poor welding or injury The chips should then be repaired by re welding or replacement If there is a fault in Microphone first try to recover the earpiece by performing the experiment described above If it still doesn t work Audio PA chip or CPU chips m...

Страница 106: ...LCD if not well connected or poor welding replace the connection or weld it again If the connection is good the data input on LCD and its operation voltage should be checked If the results show poor condition then find the fault reason and do the replacement and double welding More attention should be paid on CPU cold welding Display Faults Troubleshooting COMPANY CONFIDENTIAL Copyright 2009 Nokia...

Страница 108: ...pad except the PHONE ON Key which is connected to the PMU Chip separately all the keys work in groups R0 to R5 and C0 to C3 and each group uses one CPU s GPIO Thus the faulty running GPIO can be located by confirming the faulty keys Further short circuited signal or cold welding of the CPU should be modified or replaced Keypad Faults Troubleshooting COMPANY CONFIDENTIAL Copyright 2009 Nokia All ri...

Страница 109: ... control points of the vibrator observe whether it works If the Vibrator does not work please do the replacement if the vibrator works which means no control signal arrivals do the check against the current s flow In addition No Vibration after installation usually dedicates the welding excursion of the vibration Check and see if it has been connected properly No Vibration Troubleshooting COMPANY ...

Страница 111: ... and confirm the configuration of the COM setting 3 Check the welding of the mobile phone connection whether there is foreign impurity 4 Check if the VBUS D D and etc are in their normal status 5 Check if the USB over Voltage IC works normally 6 Check the welding of CPU USB Interface Disabled Troubleshooting COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 5 23 Issue 1 ...

Страница 112: ...RH 128 Baseband Description and Troubleshooting USB Circuitry UIM Card Unreadable troubleshooting COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 5 24 ...

Страница 117: ... Introduction page 6 7 AMS Setup for Tx Troubleshooting page 6 7 TX DC test points page 6 9 TX RF test points page 6 10 TX path troubleshooting page 6 11 RX troubleshooting page 6 12 Rx Introduction page 6 12 AMS Setup for Rx Troubleshooting page 6 12 Cell Receiver Check from RF to IQ page 6 13 Receiver DC Test Points page 6 15 Receiver RF Test Points page 6 15 RX path troubleshooting page 6 16 ...

Страница 121: ...band amplifiers up converter RF variable gain block drive amplifier Tx VCO Tx PLL and LO distribution block The gain control RF amplifier output is routed to the final stages of the transmit chain Tx saw filter power amplifier direction coupler duplexer and antenna AMS Setup for Tx Troubleshooting Put PWB on the module jig Use the following steps to configure AMS for RF troubleshooting 1 Connect R...

Страница 122: ...L Channel Config Set Band Cell Channel 384 then send 7 Choose CP TX CDMA Test send 8 Choose DSPM TX AGC Config Set Hyst State medium gain Power dBm 24dBm then send 9 Choose CP AUX ADC Get Set TX PCG Sync off then send to get Power detector ADC value Figure 5 FTM dialog box COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 6 8 Issue 1 ...

Страница 123: ...ts Description Value 1 C115 PA_ON 3 08V for PA turning on 0V for turning off 2 R115 PA_R1 2 16V for high gain mode 1 6V for low gain mode 3 C308 TX_AGC 1 92V for 5dB 2 16V for 15dB 2 4V for 25dB Table 1 TX DC Test Point COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 6 9 ...

Страница 124: ... RF Test points Test Points Description Value 1 Tx saw output about 4dBm 2 PA input about 2dBm 3 PA output about 28dBm 4 TCXO_RF about 0dBm 5 RF connector about 24dBm Table 2 TX RF Test Points COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 6 10 Issue 1 ...

Страница 125: ...es CBP5 0 is underfilled and cannot be replaced The shield case cannot be reused after removal After using the heatgun the domesheet needs to be replaced U104 is PA which need suitable tools COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Issue 1 Page 6 11 ...

Страница 126: ...ia the duplexer AMS Setup for Rx Troubleshooting Put PWB on the module jig Use the following steps to configure AMS for RF RX troubleshooting 1 Connect RF connector to a CMU200 or 8960 2 Connect the PWB to a PC via the Module Jig and connect a power supply 3 Open AMS Tools software and select RF Tool 4 Choose CP Enable Enable off then send 5 Choose DSPM AFC Config Set Pdm Val 0x0200 then send 6 Ch...

Страница 127: ...l generator there is a problem in the RX line First test the DC points of the RX DC supply lines as according to Table 3 Then test the RF trace 1 Inject a 75 dBm CW signal of 881 82 MHz i e 300 kHz offset from 881 52 MHz or 10 channels away 2 Measure a 300 kHz tuning on the analyzer You should see a typical 52 dBm IQ tuning for CDMA Cell COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserve...

Страница 128: ...spectrum with an inject tone at 75 dBm as well as the IQ output test points Note that DC is present on the IQ output test points All test points should be approximately equal Figure 11 Cell spectrum left and IQ output test points right COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page 6 14 Issue 1 ...

Страница 129: ...et LNA GAIN STATE 4 The signal was then traced throughout the receiver chains An Agilent8960 call box is recommended Set the band and channel as ETS set Set the cell power 96dBm Watch the received power of the DSPM Rfc RXTX If the received power of the DSPM Rfc RXTX is not close to the signal generator which means that there is a problem in the RX line Measurements were taken with the RF Probe Sig...

Страница 130: ...SAW INPUT About 80dBm 3 L203 RX SAW OUTPUT About 82dBm Table 4 Rx RF Test Point RX path troubleshooting Note CBP5 0 is underfilled and cannot be replaced The Shielding Case Assy cannot be reused after removal U203 is under the shielding frame it is hard to reheat or change After using the heatgun the domesheet needs to be replaced COMPANY CONFIDENTIAL Copyright 2009 Nokia All rights reserved Page ...

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Страница 139: ...F Graphics Interchange Format GPIB General purpose interface bus HS Handset I O Input Output IC Integrated circuit IHF Integrated hands free JPG Joint Photographic Group KPD Keypad LCD Liquid Crystal Display LED Light emitting diode MDP Mobile display processor MIC Microphone MIDI Musical Instrument Digital Interface MMS Multimedia messaging service MSM Mobile Station Modem PA Power amplifier PC P...

Страница 140: ...ved Page Glossary 4 Issue 1 RX Radio Receiver SDCC Secure Digital Connectivity SIM Subscriber Identity Module SMS Short Messaging Service SW Software TX Radio Transmitter UIM User Identity Module USB Universal Serial Bus VBAT Battery voltage WAP Wireless application protocol ...

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