NEC N8 Service Manual Download Page 101

Page: 101 / 182

NEC Confidential & Proprietary

3.5. No receiver / RX audio

3.6. No MIC / TX audio

3.7. No speaker/melody

Are MIC contacts
OK ?

Check IC351 (CSP) #A11
(MICIN) waveform on sending

IC351 (CSP) is dead or bad
contact

Clean or reinstall MIC

Yes

IC501 (Hawk) is dead or bad
contact

Speaker or contact OK ?

Check the clock 3.25MHz of
IC651 #1 on ring

IC501(Hawk) is dead or bad
contact

Check waveform of IC651
#12 (AUDATA2), OK?

Reinstall or replace speaker

Yes

Check receiver and receiver
contact, OK ?

Check E852, Z631 and FPC,
connection OK ?

Check waveform of IC351
(CSP) #11 on receiving call

IC501 (Hawk) is dead or bad
contact

Replace or reinstall receiver

Replace and reinstall FPC

IC351 (CSP) is dead or bad
contact

Yes

IC651 is dead or bad contact

IC501(Hawk) is dead or bad
contact

Yes

Summary of Contents for N8

Page 1: ...N8 Service Manual Level 3 ...

Page 2: ...nd tools required for this level b Service Level 2 describes definition equipment and tools required for Service Level 2 4 Circuit Description provides functional details of the circuits block diagrams and component purpose descriptions 5 Servicing defines the jigs fixtures and test configurations required for servicing the product and describes the processes of assembly and disassembly 6 Troubles...

Page 3: ...NEC Confidential Proprietary Next Section Main Menu Section 1 Precautions for Repair Work 1 ...

Page 4: ...charge the battery pack after each use Before Powering up the Equipment Only switch on the telephone s power once the test or installation set up is complete Switching on at the wrong time may result in electric shock or damage to system components Always ensure that the power is switched off before making connections disconnection s It is important to check that the correct DC voltage is applied ...

Page 5: ...nd damage It should be covered with clear adhesive vinyl while the equipment is disassembled Storage of Faulty Components Any components that are replaced due to failure should be kept safely in an anti electrostatic container NEC s Quality or Research Development Departments may require them to make quality and reliability investigations No Fault Found Equipment In some cases the reported symptom...

Page 6: ...able repairs Cleaning Before cleaning ensure that the telephone is switched off and disconnected from the power source Cleaning should be done using a soft dry cloth If the equipment is heavily soiled a soft cloth soaked in a mild synthetic detergent diluted in water may be used Never use benzene or any other chemicals to clean the equipment RF Shielding It is advisable to carry out detailed measu...

Page 7: ...s of your body especially the eyes and face should not come into contact with the antenna while the equipment is transmitting Storage Conditions It is recommended that the following storage conditions should be avoided to prevent damage to the equipment Dusty Humid Near to magnetic equipment In direct sunlight Ventilation Repair areas should be well ventilated and fume extraction systems should be...

Page 8: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 2 Unit Specifications 2 ...

Page 9: ...CS1900 GPRS Class 8 Voice codec FR HR EFR Multi party Yes Network ALS Yes Ring tones 23 pre stored 10 download Ring tone format MIDI Text input T9 Browser WML xHTML cHTML Application Phone book 500 SIM Harmony Ringer 40 Polyphonic Multi Media Ring tone download Yes Battery life is Network dependent variations may occur The N8800 HHP works closely with the network and the standby and talk times ach...

Page 10: ...5MHz DCS1900 80MHz Channel Spacing GSM EGSM 200KHz DCS1800 200KHz DCS1900 200KHz Number of Channels GSM 124 Numbered 1 to 124 EGSM 50 Numbered 975 to 1023 0 DCS1800 374 Numbered 512 to 885 DCS1900 299 Numbered 512 to 810 Power Class GSM EGSM Class 4 33 2dBm DCS1800 Class 1 30 2dBm DCS1900 Class 1 30 2dBm Data Rates Packet GSM EGSM DCS1800 DCS1900 Uplink Up to 42 8Kbps 2 slot Downlink Up to 85 6Kbp...

Page 11: ...vel 12 19dBm 3dB Power Control Level 13 17dBm 3dB Power Control Level 14 15dBm 3dB Power Control Level 15 13dBm 3dB Power Control Level 16 11dBm 5dB Power Control Level 17 9dBm 5dB Power Control Level 18 7dBm 5dB Power Control Level 19 5dBm 5dB TX Frequency Output Low Channel Ch 975 880 2 MHz Mid Channel Ch 62 902 4 MHz High Channel Ch 124 914 8 MHz TX Frequency Calculation Ftx MHz 0 124 975 1023 ...

Page 12: ...7 16dBm 3dB Power Control Level 8 14dBm 3dB Power Control Level 9 12dBm 4dB Power Control Level 10 10dBm 4dB Power Control Level 11 8dBm 4dB Power Control Level 12 6dBm 4dB Power Control Level 13 4dBm 4dB Power Control Level 14 2dBm 5dB Power Control Level 15 0dBm 5dB TX Frequency Output Low Channel Ch 512 1710 2 MHz Mid Channel Ch 699 1747 6 MHz High Channel Ch 885 1784 8 MHz TX Frequency Calcula...

Page 13: ...l 7 16dBm 3dB Power Control Level 8 14dBm 3dB Power Control Level 9 12dBm 4dB Power Control Level 10 10dBm 4dB Power Control Level 11 8dBm 4dB Power Control Level 12 6dBm 4dB Power Control Level 13 4dBm 4dB Power Control Level 14 2dBm 5dB Power Control Level 15 0dBm 5dB TX Frequency Output Low Channel Ch 512 1850 2MHz Mid Channel Ch 657 1879 2MHz High Channel Ch 810 1909 8MHz TX Frequency Calculat...

Page 14: ... Input Low Channel Ch 975 925 2 MHz Mid Channel Ch 62 947 4 MHz High Channel Ch 124 959 8 MHz RX Frequency Calculation Frx MHz 0 124 975 1023 935 ARFCN x 0 2 MHz 935 0 2x ARFCN 1024 MHz BER Bit Error Ratio Type II BER 2 4 at 102dBm Type II BER 0 1 at 15dBm ...

Page 15: ...R DCS1800 RX Frequency Input Low Channel Ch 512 1805 2 MHz Mid Channel Ch 699 1842 6 MHz High Channel Ch 885 1879 8 MHz RX Frequency Calculation Frx Ftx 95 Mhz Frx MHz BER Bit Error Ratio Type II BER 2 4 at 102dBm Type II BER 0 1 at 23dBm ...

Page 16: ...ER DCS1900 RX Frequency Input Low Channel Ch 512 1930 2MHz Mid Channel Ch 657 1959 2MHz High Channel Ch 810 1989 8 MHz RX Frequency Calculation Frx Ftx 80 Mhz Frx MHz BER Bit Error Ratio Type II BER 2 4 at 102dBm Type II BER 0 1 at 23dBm ...

Page 17: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 3 Introduction of Service Level Introduction of Service Level 1 Introduction of Service Level 2 3 ...

Page 18: ... 4 If necessary replace detachable parts peripheral units and accessories that cannot be repaired Keep a stock of good replacement phone and accessories 5 If necessary explain the correct method of operation to the customer 6 Verify any faulty reported by the end user at 2 and 3 Above 7 Specify the symptom and fill out the fault report 8 Send the fault report and faulty equipment to service level ...

Page 19: ...ion to the customer Fault cleared Adequate stock of good replacement peripheral parts accessories Send the fault report faulty main unit and or repairable accessories to Level 2 Tell the customer to wait the estimated maximum down time Is the case urgent Wait to receive repaired equipment from level 2 Physical inspects the equipment Check normal operation Return the equipment to the customer Repla...

Page 20: ...ttery Use as a power source or a temporary replacement of original battery for faulty equipment 2 Workable SIM card Use to test the performance and functions of faulty equipment 3 Rubber Use to clean electronic contacts such as battery terminals etc 4 AC Adapter Use to test the charging function of faulty equipment and or battery 5 Simple Handsfree Kit Use to test the Handsfree relevant functions ...

Page 21: ...he faulty modular sub unit in the faulty report 5 Send the fault report and faulty modular sub unit together to Service Level 3 In certain cases replace the faulty modular sub unit in the equipment with the good one for quick repair 6 Receive back the repair report the repaired modular sub unit from Service Level 3 and re install it in the equipment Or keep this repaired modular sub unit for next ...

Page 22: ...ty modular sub unit together to Service Level 3 In certain cases replace the faulty modular sub unit in the equipment with the good one Receive back the repair report the repaired modular sub unit from Service Level 3 Had the faulty equipment been replaced with a good one Re install the repaired modular sub unit in the equipment Perform final test and fill out the repair report Return the equipmen...

Page 23: ...vel 1 All equipment and tools for Service Level 1 2 Special screw driver Used for assembling and disassembling 3 Data cable Used for upgrade software SCREW DRIVER Use to open and tighten the machine screw of N8800 Screw Driver Tip NEM J 000006 00 A special Tip with Y type head Variable Torque Driver NEM J 000002 00 Used for control the torque of screws of N8800 Y TYPE TIP VARIABLE TORQUE DRIVER ...

Page 24: ...NEC Confidential Proprietary PROGRAMMING CABLE Picture ...

Page 25: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 4 Circuit Description Structure RF Logic 4 ...

Page 26: ...UCTURE The N8 HHP is a tri band GSM fold phone which consists of two main sub assemblies The Lower assembly contains the Tx Rx Logic circuit and an integrated antenna Two LCD display which house in the Upper assembly Front View Back View ...

Page 27: ...sceiver Unit SIM connection socket System I O connection with charge capability Multiple contacts battery terminals Power supply and battery charging circuitry Hands free jack Full functions keypad with illumination Ringer tone sounder Embedded dual band antenna IrDA compatibles infra red transceiver USB connection to PC ...

Page 28: ...onsists of the following circuits Large 162x216 pixel 16bit colour LCD mounting 80x108 pixels 4096 colour sub LCD White backlight illumination Ear piece connection LED control and LCD driver circuit Tri colour LED provide 12 types of colours for group indication of CLI ...

Page 29: ...NEC Confidential Proprietary KEY SHEET ASSEMBLY ...

Page 30: ...NEC Confidential Proprietary INTER CONNECTION ...

Page 31: ...NEC Confidential Proprietary RF BLOCK DIAGRAM ...

Page 32: ...liary RF input In normal status the antenna of the HHP connected directly to the diplexer L101 is employed to block the DC signal from outside For example static charge which may cause harmful to the front end amplifier or Final power amplifier The Diplexer of U101 splits the frequency band of signals and the switches is used to control all the Tx and Rx paths This is achieved using the band selec...

Page 33: ... I Q baseband lowpass filters and programmable gain amplifiers Each 3 stage PGA is DC coupled and has a gain range 1x0 125x0 125 up to 8x8x8 The baseband PGA has 2dB gain steps and 90dB control range The PGA is followed by a fixed gain amplifier x3 to give 2 4 volt p p diff output swing The baseband filtering is distributed in the PGA and comprises a single R C lowpass section and 2 second order B...

Page 34: ... for each band as GSM 3780 3840MHz DCS 3610 3760MHz PCS 3860 3980MHz The frequency from the RF VCO was further divided to lower frequency GSM band divide by 4 and the PCN band divide by 2 GSM 945 960MHz PCN 1805 1880MHz PCS 1930 1990MHz It was because of direct conversion receiving the local oscillation frequency was same as the receiving frequency ...

Page 35: ...ve loop filter This is similar to the technique commonly used in PL L synthesizers The closed loop bandwidth of the OPL L should be designed to be around 1 0 1 5MHz The bandwidth should be large enough to allow rapid locking and accurate tracking of the modulation If the bandwidth is too large the OPLL will not reject the noise from the modulator sufficiently The ideal bandwidth will be a compromi...

Page 36: ...NEC Confidential Proprietary Mixer and IF Ref 26MHz from TCXO 880 915MHz 1710 1785MHz 1850 1910MHz ...

Page 37: ... with the divided frequency signal from RF VCO After mixed a low frequency signal 80MHz came out and sent to the PD phase discriminator to compare with the IF from the modulator circuit Modulator and Tx IF Two differentials I Q signal The modulator uses an indirect I Q modulator which suitable for dual band operation The series transmit IF filters allow improved wide band noise which enables duple...

Page 38: ...onal couplers detector diodes power control ASICs and other power control circuitry this allows the module to be driven directly from the DAC output The VRAMP TXP is controlled the maximum power output and the power template as well as power levels On board power control provides over 35dB of control range with an analog voltage input and power down with a logic low for standby operation The outpu...

Page 39: ...4Mbits SIM VSIM SIM_RST SIM_CLK SIM_DATA RXAF RTS TXAF CTS RTS CTS AUMCLK CKI X1RTC OSC32OUT XTALB MC ACC1 Tx1 Rx1 Hall IC MITSUBIS HI IC651 32 voices YAMAHA Speaker NFCS3 SHARP PSC2011C SRAM 32Mbits 8Mbits SDRAM 64Mbits OKI Flash ROM Flash ROM IC501 packet RTC AUBCLK AULRCLK AUDAT2 AUDAT1 MICIN AOUTAP command GND Manufacturer Specific SCS SERLE2 SELCK SELDA SERLE SCLK SDI NSCS3 IC421 MITSUBISHI 1...

Page 40: ... 3V from Hawk supply power to the I O and USB of Helen 1 respectively The Helen 1 performs the following functions Main CPU and Application CPU functions Control Papaya to perform all the display and image functions Infra Red data interface Keypad interface PAPAYA IC852 Papaya is located at upper board It is a camera and LCD control IC An independent 12MHz crystal provides the operating system clo...

Page 41: ...power for the application portion Hawk provides the following outputs V21 2 85V supply for Peripherals Flash I O and Com I O of Helen 1 Flash ROM MA 3D Melody IC and Hall IC Fold detect IC V25 1 85V supply for SDRAM I O of Helen 1 and SDRAM V28 2 85V supply for Main LCD SUB LCD Warbler 2 Camera and Papaya V29 1 5V supply for Core of Helen 1 V33 2 85V supply for IrDA MICBIAS 2 2V Supply for the bia...

Page 42: ...ame Typ v min mA Output to VLDO 1 LDO_1 1 800 3 100 Trident 2 core VLDO 2 LDO_2 2 85 3 160 Trident 2 I O CSP1093C digital Flash ROM VLDO 3 LDO_3 2 85 3 160 RF VLDO 4 LDO_4 2 85 3 85 TXBUF VLDO 5 LDO_5 2 85 3 85 TCXO VLDO 6 LDO_6 2 85 3 85 CSP1093C analog VLDO 7 LDO_7 2 85 3 35 No use VRTC 2 85 3 3 Trident 2 RTC VSIM 3 0 0 2v 40 max SIM The PSC2011C provides the following functionality Seven low dr...

Page 43: ...RESET APLL POWERDOWN RTC A D ACC1 ACC0 SSI PPI ICP PDP DUAL PORT RAM 512 16 EMI RAM ROM SWPATCH JTAG HDS BIO TIMER DPLL POWER T_REQA T_REQB RESET RAM ARM7TDMI CORE IACK VEC 4 0 SMALL SIGNALB UFFER POWER UP RESET DSP16000 CORE IDB XYB T_ACK TICMODE PLLTOA CKO RSTB CKI1 DB 15 0 PA 36 0 MI MO SCLK IRDATx AB 8 0 RWN Rx0 IM0 IOM1 IOM0 OM0 OM1 IRDARx Tx1 X1RTC CKI32X OSC32 Rx1 X2RTC BSWN RTCALARM AG 3 0...

Page 44: ...SERIAL OUTPUT CLOCK RATE SELECT 1 4 bit COUNTER FRAME COUNTER PLL SLEEP MODE LOGIC JTAG AUXOUT MICOUT MICIN VREG AUXIN 22ƒ Ê INTERFACE AB 8 0 DB 15 0 R W I O INT TRIDENT OCTL 12 CSP1093C The CSP1093C is a analog BaseBand IC for GSM It integrates the timing and control function for GSM 2 mobile application with the ADC and DAC function The CSP1093C interface to the DSP portion of Trident2 via a 16 ...

Page 45: ...nt 2 and also converts the parallel bus from Trident 2 to serial bus for Helen 1 The power supply for Warbler 2 is 2 85V which is supplied by V28 of Hawk Warbler 2 operates in 26MHz which comes from Trident 2 CHARGE The main charging circuit is incorporated inside Hawk Below shows the equivalent block diagram Charging Equivalent Block Diagram ...

Page 46: ...as a resistance value of 10KΩ at temperature 25 C Fuse A 1 25A fuse is inserted on the current path to protect over current during charging Diode A diode is used for prevent the reverse direction current flowing from HHP to charger Charging Control FET Charging control switch uses Dual FET made by Vishay Si3905DV This FET is controlled to obtain a constant current in CC charge state and a constant...

Page 47: ...harger voltage on VCHG within normal range set CHG2 to logic low to turn on FET e VMONI Charge voltage monitor pin To monitor the voltage of battery being charging f TBAT Battery pack temperature monitor pin The battery pack includes an internal thermister which is used to produce an analogue signal TBAT enable the HHP and external charger to determine the battery temperature which is used to prot...

Page 48: ...tch are the metal domes which make contact between two concentric pads when pressed There are 24 switches SW901 SW24 connected in a matrix of 5 rows by 5 columns as shown in figure below except for the power switch SW924 which is connected independently ...

Page 49: ...NEC Confidential Proprietary VOLUME KEY The Volume key is located on the upper board It consists two metal domes and connected in a matrix of 2 X 1 as shown below ...

Page 50: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 5 Servicing Tools Cables Jigs and Fixtures Accessories Exploded Diagram Assembly Disassembly 5 ...

Page 51: ... FIXTURES SCREW DRIVER Used to open and tighten the machine screw of N8 Screw Driver Tip NEM J 000006 00 A special Tip with Y type head Variable Torque Driver NEM J 000002 00 Used for control the torque of screws of N8 Y TYPE TIP VARIABLE TORQUE DRIVER ...

Page 52: ...NEC Confidential Proprietary DATA CABLE ...

Page 53: ...NEC Confidential Proprietary ACCESSORIES BATTERY MAY BD0009 A002 Norminal Voltage 3 8V 4 2Vmaximum to 3 2Vminimum Capacity 710mAHr minimum AC ADAPTER Input 110V 240V 50 60Hz 0 12A ...

Page 54: ...NEC Confidential Proprietary Output 5 3V DC 0 6A POWER CORD UK type Europe type PRC type CIGER LIGHT ADAPTER Input Voltage 12V 24V 2A fused ...

Page 55: ...NEC Confidential Proprietary SIMPLE HANDSFREE DESKTOP CHARGER Input 5 3V 0 51A Two charge slots ...

Page 56: ......

Page 57: ......

Page 58: ... LOWER SPEAKER INTO THE RECESS AT REAR COVER M UNTIL IT IS CLIPED INTO PLACE SPEAKER REAR COVER M SPEAKER ANTENNA VIBRATOR COVER H J PACKING RM WATER SENSITIVE LABEL 15T 000544Y WATER SENSITIVE LABEL 15T 000970 COVER I O REAR COVER M 15Y 001057 XX 15Y 001065 15Y 001006 15Y 000827 ...

Page 59: ...NEC Confidential Proprietary 2 Vibrator Step 1 OPEN VIBRATOR HOLDER AT SPLIT AND INSERT VIBRATOR Step 2 INSERT VIBRATOR ASSY INTO RECESS AT REAR COVER M REAR COVER M VOBRATOR ASSY VIBRATOR HOLDER V ...

Page 60: ...NEC Confidential Proprietary 3 Antenna cSILDE ENGAGE CLIP 1 INTO REAR COVER M dLOWER THE OTHER SIDE UNTIL ENGAGE CLIP 2 IS CLIPED INTO THE APERTURES OF REAR COVER M ANT UNIT REAR COVER M ...

Page 61: ...CK WATER SENSITIVE LABELS 15T 000544Y AND 15T 00097 INTO AREAS OF REAR COVER M AS THE FIGURE SHOWN BELOW 5 Packing MR INSERT PACKING MR INTO THE RECESS OF REAR COVER M WATER SENSIVIVE LABEL 15T 000544Y WATER SENSIVIVE LABEL 15T 000970 REAR COVER M PACKING MR ...

Page 62: ... Proprietary 6 Cover H J INSERT COVER H J INTO REAR COVER M SLOT NOTE WHICH PART GOES INSIDE AND OUTSIDE COVER 7 Cover I O INSERT COVER I O INTO THE SLOT IN REAR COVER M REAR COVER M Cover H J REAR COVER M REAR COVER M ...

Page 63: ...EAR COVER R 1 Water Sensitive Label STICK TWO WATER SENSITIVE LABELS TO THE AREAS AS THE FIGURE SHOWN 2 Cushion BATT FIT CUSHION BATT INTO THE RECESS AT REAR COVER R WATER SENSITIVE LABEL 15T 000544Y REAR COVER R CUSHION BATT REAR COVER R ...

Page 64: ...NEC Confidential Proprietary 3 Lens LED INSERT LENS LED INTO THE APERTURE OF REAR COVER R MAKE SURE THE TWO POSITION PINS SHOULD GO THROUGH THE APERTURES OF LENS LENS LED POSITION PIN ...

Page 65: ...AND FRONT COVER M TOGETHER AND LINE THEM UP Step 2 INSERT HINGE UNITS PUSH FIRMLY ONTO EACH UNIT TO ENGAGE THE CLIPS 2 Cushion L STICK CUSHION L OVER THE APERTURE AT FRONT COVER R LINE UP WITH THE EDGE OF THE APERTURE CUSHION L HINGE UNIT FRONT COVER R HINGE UNIT FRONT COVER M FRONT COVER R ...

Page 66: ...fidential Proprietary 3 Tape RF and Sheet F STICK TAPE RF AND SHEET F TO THE AREAS AS THE FIGURE SHOWN BELOW 4 Magnet FIT DOUBLE FACE MG TAPE INTO RECESS IN REAR COVER THEN FIT MAGNET ONTO TAPE TAPE RF SHEET F ...

Page 67: ...NEC Confidential Proprietary 5 Water Sensitive Label STICK TWO WATER SENSITIVE LABELS TO THE AREAS AS THE FIGURE SHOWN WATER SENSITIVE LABEL 15T 000544Y FRONT COVER M ...

Page 68: ...NEC Confidential Proprietary 6 Packing MF PLACE THE PACKING MF IN THE AREA AT FRONT CASE M AS FIGURE SHOWN BELOW 7 Lenz IR INSERT LENZ IR INTO SLOT AT FRONT COVER M ...

Page 69: ...NEC Confidential Proprietary 8 Key Sheet Assy LOWER KEY SHEET ASSY INTO FRONT COVER M ...

Page 70: ...EMBLY 1 Metal Dome Sheet FIT METALDOME SHEET ONTO KEY BOARD ASSY ALIGN WITH POSITIONING HOLES PRESS AND FIX TO ADHESIVE NOTE A SPECIAL TOOL IS REQUIRED 2 Sheet key STICK SHEET KEY ONTO THE KEY BOARD AS FIGURE SHOWN METAL DOME SHEET KEY BOAR ...

Page 71: ...NEC Confidential Proprietary 3 Mic INSERT MIC UNIT THE APERTURE OF KEY FRAME ASSY 4 Key Frame LOWER KEY FRAME ONTO THE KEY BOARD AND CLIP INTO PLACE ...

Page 72: ...ry 5 Lower board and upper board connection Step 1 TAKE UPPER PCB AND INSERT THE SHORT FPC FULLY INTO THE CONNECTOR AT LOWER BOARD THEN CLOSE LOCKING TAB Step 2 INSERT THE LONG FPC FULLY INTO CONNECTOR THEN CLOSE THE LOCKING TAB ...

Page 73: ...embly Step 1 CONNECTE KEY SHEET ASSEMBLY TO THE LOWER BOARD BY FPC AND THEN FOLD THE KEY SHEET ASSEMBLY OVER LOWER BOARD AS SHOWN BELOW Step 2 c CLIP ONE SIDE OF LOWER BOARD ONTO THE KEY FRAME AS SHOWN IN THE FIGURE d LOWER AND CLIP ANOTHER SIDE ...

Page 74: ...SEMBLY 1 Lower and Upper Assembly Step 1 FOLD LOWER AND UPPER ASSEMBLY AS SHOWN TO PRODUCE A LOOP IN THE FPC S THE LOOP MUST BE ON LCD AND KEYPAD SIDES AND BOARDS MUST BE IN LINE IF THEY ARE NOT THEN YOU HAVE PROBABLY FOLDED THE WRONG WAY ...

Page 75: ...NEC Confidential Proprietary Step 2 LOWER UPPER AND LOWER ASSEMBLY INTO FRONT COVER ASSEMBLY Step 3 FIT AND TIGHTEN MACHINE SCREW ...

Page 76: ...NG TAB OF REAR COVER M INTO THE RECESS OF FRONT COVER M dLOWER THE OTHER END OF REAR COVER M AND CLIP IT INTO PLACE 3 Rear Cover R c FIT RETAINING TAB OF REAR COVER R INTO THE RECESS OF FRONT COVER R dLOWER THE OTHER END OF REAR COVER R AND CLIP IT INTO PLACE ...

Page 77: ...MACHINE SCREWS AND TIGHTEN TO 16 2 CNM 2 Screen F BLOW OUT LCD RECESS WITH IONIZED AIR CHECK RECESS FOR DUST AND MARKS ON LCD IF LCD IS OK THEN FIT SCREEN F ONLY LIGHTLY PLACE SCREEN IN RECESS THEN CHECK FOR DUST AND MARKS AGAIN IF OK PRESS SCREEN FIRMLY DOWN AROUND ITS EDGE ...

Page 78: ...NEC Confidential Proprietary 3 Caps STICK TWO SCREW CAP CUSHIONS AND TWO SCREW CAP R INTO THE RECESSES AS FIGURE SHOWN ...

Page 79: ...DE REAR COVER R 1 Lenz FIT LENZ DOBLE FACE TAPE INTO THE RECESS AT REAR COVER R FIT LENZ3 ONTO THE TAPE THEN FIT LENZ1 2 OVER THE LENZ3 AND PRESS TO FIX ADHESIVE 2 Key Sheet R Assy PLACE KEY SHEET R ASSY INTO THE RECESS AT REAR COVER R ...

Page 80: ...te BLOW OUT LCD RECESS WITH IONIZED AIR CHECK RECESS FOR DUST AND MARKS ON LCD IF LCD IS OK THEN FIT SCREEN R ONLY LIGHTLY PLACE SCREEN IN RECESS THEN CHECK FOR DUST AND MARKS AGAIN IF OK THEN FIT PLATE DOWN PRESS PLATE FIRMLY AROUND ITS EDGE ...

Page 81: ...NEC Confidential Proprietary OUTSIDE REAR COVER M 1 Machine screw FIT AND TIGHTEN 4 MACHINE SCREWS TO A TORQUE OF 215 6 19 6 MNM AS SHOWN BELOW ...

Page 82: ...NEC Confidential Proprietary 2 Cap M FIT TWO CAP M S INTO THE RECESSES AS THE FIGURE SHOW 3 Warranty label M and IMEI label STICK WARRANTY LABEL M AND IMEI LABEL IN THE AREA AS THE FIGURE SHOWN BELOW ...

Page 83: ...ied for assembling 1 Rear Cover R Step 1 SLIGHTLY LIFT THE TOP OF REAR COVER R TO EXPOSE A GAP BETWEEN REAR COVER R AND FRONT COVER R Step 2 INSERT SIM CARD OR THUMBNAIL INTO THIS GAP THEN SLIDE TOWARED TO THE HINGE UNTILL THE COVER POP APART UNCLIP OTHER SIDE Step 3 LIFT THE COVER AWAY VERTICALLY FROM THE TOP 2 Rear Cover M THE PROCEDURE IS SAME AS FOR REAR COVER R Dissassembly is done in reverse...

Page 84: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 6 Troubleshooting 6 ...

Page 85: ...s GMSK E GSM 2W 33dBm Class4 MTS DCS1800 1W 30dBm Class1 MTS Peak output power PCS1900 1W 30dBm Class1 MTS Nominal supply voltage 3 8V TX peak current 2500mA max GPRS Class Class8 max 1UL 4DL Operation class B GPRS Coding scheme CS1 CS2 CS3 CS4 Channel selection conditions Verify that there is no interference from other radio devices or neighboring measurement systems in the frequencies to be used...

Page 86: ...1 R1 C2 C3 C6 C4 C8 C9 C7 C5 C10 C12 C11 D1 Vi n G N D Tem p ID Vout G N D D um m y bat t ery ci rcui t 100uF 16V 100uF 16V 33pF 0 1uF 100uF 16V 100uF 16V 100uF 16V 100uF 16V 100uF 16V 100uF 16V 100uF 16V 10uF 25V SA5 0A 10k Test SIM card In confidence test general Phase2 or Phase2 test SIM should be used Serial Link cable with RF cable Please refer to specification ...

Page 87: ...GREEN BLUE Backlight High Low Very Low OFF Check 65 000 color LCD Check all element are ON Screen LCD contrast UP DOWN RTC RTC Alarm test KEY operation Keyboard test OPEN CLOSE Open close test hall IC Speaker Volume test UP DOWN AUDIO Audio test verify microphone and receiver SHF SHF operation Checking audio and switch of SHF Vibrator Vibrator test ON OFF IrDA IrDA test PC Link AT Command operatio...

Page 88: ...C Charge 5 PC Link 6 SHF 7 USB 8 IrDA Tester Test Procedure Appearance Test Verify appearance by visual check Charging Test Verify charging action on display and LED at connecting charger SIM Test Verify recognition of SIM card If Insert SIM indicated on Display it is NG ...

Page 89: ... image on back display IrDA Test Verify connection of IrDA Open Close check Verify display and backlight ON OFF check hall IC Keyboard Test When the key is pressed check whether the corresponding numbers sign is disappeared Speaker Test Verify volume UP DOWN AUDIO Test Verify whether input voice from microphone can be heard from receiver SHF Test Verify detection of a SHF jack and switch of SHF an...

Page 90: ...RF characteristics Test system 1 PC 2 Printer 3 PSU 4 GSM Test Set 5 SLC 6 Equipment Fixture 7 Dummy Battery 8 RF cable Measurement setup is shown as follows 1 PC 2 PRINTER 4 GSM Test Set E5515B HP8960 3 PSU HPE3631A or HP6038A HHP 6 Equipment Fixture 5 SLC 7 Dummy Battery 8 RF Cable ...

Page 91: ...3dBm 3dB PL15 11dBm 5dB PL16 9dBm 5dB PL17 7dBm 5dB PL18 5dBm 5dB PL19 28dBm 3dB PL1 26dBm 3dB PL2 24dBm 3dB PL3 22dBm 3dB PL4 20dBm 3dB PL5 18dBm 3dB PL6 16dBm 3dB PL7 14dBm 3dB PL8 12dBm 4dB PL9 10dBm 4dB PL10 8dBm 4dB PL11 6dBm 4dB PL12 4dBm 4dB PL13 2dBm 5dB PL14 0dBm 5dB PL15 RMS Phase error 5deg PEAK Phase error 20deg Frequency Error 90Hz 180Hz 185Hz Power Vs Time pass fail indication Detail...

Page 92: ... for which the allowed level is 59 dBc or 36 dBm whichever is the greater For DCS 1 800 and PCS 1900 MS 48 dBc or 48 dBm whichever is the higher 4 dBc for power control level 16 2 dBc for power level 17 For GSM 900 MS 1 dBc for power level controls levels 18 and 19 4dBc for power control level 11 2dBc for power level 12 For DCS 1 800 and PCS 1900 MS 1dBc for power control levels 13 14 and 15 For G...

Page 93: ...FCN is assign to Mch and Lch Hch 2 Set PL to 5 E GSM or 0 DCS1800 or 0 PCS1900 3 Wait to establish hand over 4 Measure output power RMS Phase error E GSM DCS1800 or PCS1900 1 ARFCN is assigned to Mch or Lch Hch 2 Set PL to 5 E GSM or 0 DCS1800 or 0 PCS1900 3 Wait to establish hand over 4 Change mode of GSM tester to Phase FREQ 5 Set analyze burst number to 50 6 Read RMS average window PEAK Phase e...

Page 94: ...indicate Mobile reported Rxlev and read it RX Quality E GSM DCS1800 or PCS1900 1 Same setting and procedure as RX RBER 2 Wait to indicate Mobile reported RX Qual and read it Hand over E GSM DCS1800 or PCS1900 1 Change mode of GSM tester to DUAL BAND 2 To define DCS1800 or PCS1900 parameter ARFCN to Mch Base station output level to 85dBm Mobile power level to PL0 3 Push Execute and check establish ...

Page 95: ... 1 PC 2 Printer 3 PSU 4 Antenna 5 SLC 6 Equipment Fixture 7 Dummy Battery 8 I O Cable 9 Power Meter 10 PM Sensor 11 Shield Box Measurement setup is shown as follows 11 Shield Box 1 PC 2 PRINTER 3 PSU HPE3631A HHP 6 Equipment Fixture 5 SLC 8 I O Cable 9 Power Meter ML2438A Test Instruments 4 Antenna PM Sensor MA2472A 7 Dummy Battery ...

Page 96: ...MODE Specification TX Maximum Power E GSM 30dBm 3dB Test Procedure Test items should be sequential in the table shown as below Test item MODE Procedure Start up E GSM 1 Set dummy battery to HHP 2 Power on HHP 3 Put Into test mode TX Power E GSM 1 ARFCN is assign to Mch 2 Set PL to 5 E GSM 3 Measure output power ...

Page 97: ...uit OSC171 TCXO is dead IC121 is dead OSC121 or IC121 is dead Bad RX Check U101 3 4 5 level Check BPF221 1 BPF211 2 BPF201 2 level Check BPF201 4 6 BPF211 4 6 BPF221 3 HYB221 2 level Check IC121 4 5 7 8 10 11 level Replace IC121 Replace C205 C206 L213 L212 HYB221 L226 L227 C229 or C230 Replace BPF201 BPF211 BPF221 C223 or C228 Replace C201 C202 C211 C212 C221 or C222 Replace U101 or check ANT circ...

Page 98: ...111 6 10 frequency Check U111 1 7 power level Check U111 9 11 power level Check U101 10 Check ANT circuit Check IC351 or IC251 of Logic Circuit OSC171 TCXO is dead IC121 is dead OSC121 or IC121 is dead Replace U111 or IC351 of Logic Circuit Replace C151 or C152 OSC111 or IC121 is dead Replace U101 C112 C114 or IC351 of Logic Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No ...

Page 99: ...523 maybe Short IC501 Hawk is dead or bad contact Reflash program OK Try to restart mobile phone Replace XTL401 Reinstall Key PCB or replace DOME switch Key PCB and DOME switch OK Yes Yes Yes No No No No Yes When pressing ON IC501 Hawk Reset_A H Check battery contacts and circuit Mobile phone High Current IC401 Helen1 is dead or bad contact Yes Yes No No No Yes Replace X606 or F601 IC501 Hawk is b...

Page 100: ...lace LCD backlight No Yes Resolder or replace L853 or X852 IC853 Step up IC is dead IC852 Papaya is dead Yes Yes No No Check FPC Z610 Z611 Connection OK Check IC852 Papaya V28 2 85V V_CORE 2 5V Check XTL851 at IC852 60 61 12MHz Replace Main LCD or Sub LCD still no display IC501 Hawk is bad contact or dead Replace XTL851 12MHz Yes Yes Yes No No IC852 Papaya is bad contact or dead Yes ...

Page 101: ...k the clock 3 25MHz of IC651 1 on ring IC501 Hawk is dead or bad contact Check waveform of IC651 12 AUDATA2 OK No Reinstall or replace speaker No Yes Yes Check receiver and receiver contact OK Check E852 Z631 and FPC connection OK Check waveform of IC351 CSP 11 on receiving call IC501 Hawk is dead or bad contact Replace or reinstall receiver Replace and reinstall FPC IC351 CSP is dead or bad conta...

Page 102: ...contacts of Z291 SIM connector OK Clean or replace SIM connector Insert a good SIM and then switch on the mobile IC251 is dead or bad contact Check IC251 60 VSIM 3V Check IC251 64 SIM_DATA 65 SIM_CLOCK 66 SIM_RESET OK IC301 Trident 2 is dead or bad contact IC251 is dead or bad contact Yes Yes Yes No No No Reinsert Key FPC to J621 OK Change a new key PCB OK IC401 Helen1 is dead or bad contact No No...

Page 103: ...9 DSP_TRST DSP JTAG Test Port Test Access point control reset TP351 DAICK DAI Interface Port Clock TP352 DAIRN DAI Interface Port Reset not TP353 DAIDI DAI Interface Port DI TP354 DAIDO DAI Interface Port DO TP357 TRI_13M_CLK 13MHz clock TP358 CSP_32K_CLK 32 768kHz output for CSP1093C TP364 OCTL5 Not use TP365 OCTL11 Not use TP405 CKREF12MHz 12MHz clock output TP406 TDO ACPU JTAG Test Port DO TP40...

Page 104: ......

Page 105: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 7 Device Information 7 ...

Page 106: ...NEC Confidential Proprietary IC121 MAY YC0059 T001 HD155148TF BLOCK DIAGRAM ...

Page 107: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP VIEW ...

Page 108: ...hannel 25 QOUT Note 1 Positive output of Q channel 26 IOUTB Note 1 Negative output of I channel 27 IOUT Note 1 Positive output of I channel 28 VCCIFVCO VCC for IFVCO and IFVCO Buffer and Divider 29 GNDIFVCO GND for IFVCO Buffer and Divider 30 VCCOSC VCC for IFVCO 31 TCXOCONT TCXOOUT frequency GND 26MHz VCC 13MHz 32 VCCIFSYN VCC for IF Synthesizer and TCXOOUT Buffer 13MHz 26MHz 33 CPIFSYN Charge Pu...

Page 109: ... OFF Logic output Multiplex on Tx Rx mode 22 PCS TX Logic output Multiplex on Tx Rx mode 23 GSM TX Logic output Multiplex on Tx Rx mode 24 QINB Negative input of Q signal for modulator 25 QIN Positive input of Q signal for modulator 26 IINB Negative input of I signal for modulator 27 IIN Positive input of I signal for modulator ...

Page 110: ...NEC Confidential Proprietary IC251 MAY YB0002 T001 PSC2011CHRS DT BLOCK DIAGRAM ...

Page 111: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...

Page 112: ...NEC Confidential Proprietary PIN INFORMATION ...

Page 113: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...

Page 114: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...

Page 115: ...NEC Confidential Proprietary IC301 MAY YB0003 B001 TR09BFTGB17IN2B DB BLOCK DIAGRAM ...

Page 116: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...

Page 117: ...13 CP EMI FC5IO5 5 C2 15 CP_D 14 CP EMI FC5IO5 6 C1 16 CP_D 15 CP EMI FC5IO5 8 D3 17 CP_A0_BE0N CP EMI FC5O1 149 C10 18 CP_A 1 CP EMI FC5O1 146 A11 19 CP_A 2 CP EMI FC5O1 144 B11 20 CP_A 3 CP EMI FC5O1 143 A12 21 CP_A 4 CP EMI FC5O1 142 D11 22 CP_A 5 CP EMI FC5IO5 141 A13 23 CP_A 6 CP EMI FC5IO5 140 B12 24 CP_A 7 CP EMI FC5IO5 139 A14 25 CP_A 8 CP EMI FC5IO5 137 C12 26 CP_A 9 CP EMI FC5IO5 136 B14...

Page 118: ......

Page 119: ... 42 M2 57 CP_KB 4 TR_SIZE0 CP KEYBOARD TRACE FC5IO6HU PPU H 43 N1 58 CP_KB 5 TR_CLK CP KEYBOARD TRACE FC5IO6HU PPU H 46 M3 59 CP_KB 6 TR_PROT0 CP KEYBOARD TRACE FC5IO6HU PPU H 47 P2 60 CP_KB 7 TR_SIZE1 CP KEYBOARD TRACE FC5IO6HU PPU H 48 N3 61 CP_KB 8 TR_NEXEC CP KEYBOARD TRACE FC5IO6HU PPU H 50 P3 62 CP_KB 9 TR_GNT_DMA CP KEYBOARD TRACE FC5IO6HU PPU H 51 M4 63 PA11 IRDARX CP PPI IRDA FC5IO1HU PPU...

Page 120: ...TRSTN CP JTAG FIT1U PU 166 D7 94 CP_TDO CP JTAG FOT4J 147 D10 95 X1RTC CP RTC X1RTCDU 165 B7 96 X2RTC CP RTC AGRTC 162 E8 97 RTCALARMN CP RTC FOT4RTC 164 C7 98 OSC32OUT CP RTC FOT4RTC 173 E6 99 BSWN CP RTC FIT2HRTC H 168 A6 100 AG 0 CP ADC AG 156 D9 101 AG 1 CP ADC AG 157 B8 102 AG 2 CP ADC AG 158 C8 103 AG 3 CP ADC AG 159 A8 104 CPTSTSTOP CKO CP TEST CLOCK FC5IO1HU H 100 J9 105 TIC_MODE CP TEST F...

Page 121: ...HI DSP BIO INTR EMI FC5IO4 108 J10 136 CKO IACK ERAMHI DSP PLL INTR DSP EMI F5CKO 122 G10 137 DSP_TCK DSP JTAG FC5I8H H 119 G12 138 DSP_TMS DSP JTAG FIT1U PU 129 D14 139 DSP_TDI DSP JTAG FIT1U PU 128 E12 140 DSP_TRST DSP JTAG FIT1U PU 124 F13 141 DSP_TDO DSP JTAG FOT4 130 F10 System I O 2 Pins 142 RSTB ALL FC5I1H H 153 E10 143 CKI Small Signal Buffer FSPAD 125 E14 Power and Ground 41 Pins 144 VRTC...

Page 122: ...164 1 8 V 174 B5 165 1 8 V 135 C13 166 VSS 1 A1 167 VSS 7 E4 168 VSS 16 F2 169 VSS 26 H1 170 VSS 35 K2 171 VSS 45 P1 172 VSS 59 M6 173 VSS 73 L8 174 VSS 81 N10 175 VSS 91 P14 176 VSS 151 F9 177 VSS 167 E7 178 VSS 115 H10 179 VSS 68 K7 180 VSS 138 B13 181 VSS 130 F11 182 1 8 V 110 J14 183 VSS 107 J13 184 VSS 98 M14 Total of Bonded Signals 184 PPU programmable pull up PU pull up H hysteresis ...

Page 123: ...ow current consumption Built in operational amplifier VSS based output Compact package Operating voltage range 2 4 to 6 0V Temperature sensivity Typ 8 5 mV C Output accuracy 5 0 C Linearity Max 0 5 Typ Operating temperature range 40 to 100 C Current consumption Typ Ta 25 C 4 5µA BLOCK DIAGRAM 1 3 4 2 Temperature Sensor ...

Page 124: ...NEC Confidential Proprietary OUTLINE DIAGRAM PIN INFORMATION 1 VDD 2 VSS 3 N C 4 VOUT 2 4 3 1 ...

Page 125: ...s multi slotting GPRS and HSCSD Complete ADC and DAC functions for base band and voice band including DAI digital audio interface Power ramping control with the capability of dipping and or changing power levels between consecutive bursts Hardware support for A5 1 and A5 2 ciphering BLOCK DIAGRAM ...

Page 126: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...

Page 127: ...ate is high G11 TxIP O A Baseband transmit I component positive output G12 TxIN O A Baseband transmit I component negative output H11 TxQP O A Baseband transmit Q component positive output H12 TxQN O A Baseband transmit Q component negative output H10 TxP O A Baseband transmit power control DAC output F12 AFC O A Automatic frequency control DAC output K11 RXIP I A Baseband receive I component posi...

Page 128: ...or programming external synthesizer Program mable active state reset state is high L8 TDO O D JTAG test data output Reset state is 3 state K9 TCK I D JTAG test clock M9 TDI I D PU JTAG test data input L9 TMS I D PU JTAG test mode select M5 RFOVL I D RF receive chain overflow detector flag used to be called EXTDI A3 B3 UC Unconnected D10 VDDA PWR 3 V analog supply voice band D12 GNDA GND Analog gro...

Page 129: ...IC421 MAY YA0017 A001 MPD89064K9 001 4AA OUTLINE DIAGRAM ...

Page 130: ...NEC Confidential Proprietary IC854 MAY YC0068 T001 MM1612FN BLOCK DIAGRAM OUTLINE DIAGRAM PIN INFORMATION ...

Page 131: ...CMOS low power dissipation The internal circuit is composed of 4 stages including buffer output which provide high noise immunity and stable output An input protection circuit ensures that 0 to 7V can be applied to the input pins without regard to the supply voltage This device can be used to interface 5V to 3V systems and two supply systems such as battery back up This circuit prevents device des...

Page 132: ... Strip Lines 2pcs For 700 2000MHz band Dual mode digital cellular systems Frequency Range 700 to 2000MHz Dual VCO SIZE 9 6 7 0 1 65mm 0 11cc 0 23g OUTLINE DIAGRAM PIN INFORMATION 1 VB1 DCS 7 SW1 2 GND 8 N C 3 VC 9 SW2 4 GND 10 OUT1 DCS 5 VB2 GSM 11 GND 6 OUT2 GSM 12 GND Bottom view Top view ...

Page 133: ...NEC Confidential Proprietary U111 MAY YY0020 T001 RF3110 BLOCK DIAGRAM OUTLINE DIAGRAM ...

Page 134: ...NEC Confidential Proprietary PIN INFORMATION ...

Page 135: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 8 Circuit Diagrams 8 ...

Page 136: ......

Page 137: ......

Page 138: ......

Page 139: ......

Page 140: ......

Page 141: ......

Page 142: ......

Page 143: ......

Page 144: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 9 Board Map 9 ...

Page 145: ......

Page 146: ......

Page 147: ......

Page 148: ......

Page 149: ......

Page 150: ......

Page 151: ......

Page 152: ......

Page 153: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 10 Parts List 10 ...

Page 154: ...000966 MAGNET 15T 000966 15T 000970 WATER SENSITIVE LABEL 15T 000970 15T 000972 DOUBLE FACE MG 15T 000972 15Y 000801 PROTECTOR SHEET 15Y 000801 15Y 000816 LENZ IR 15Y 000816 15Y 000825 HINGE UNIT 15Y 000825 15Y 000826 PACKING MF 15Y 000826 15Y 000827 PACKING MR 15Y 000827 15Y 000831 CAP M 15Y 000831 15Y 000851 SHEET KEY 15Y 000851 15Y 000852 HOLDER V 15Y 000852 15Y 000916 SHILED COVER A 15Y 000916...

Page 155: ...Y ED0002 A001 INTERNAL ANTENNA MAY ED0002 A001 MAY PE0006 A001 F 51679GNCJ M AA MODULE LCD MAY PE0006 A001 MAY PM0008 A001 NYX 04A 4 MODULE LED MAY PM0008 A001 MAY PP0003 A001 CIF CAMERA MAY PP0003 A001 B851 MAY BD0010 0001 ML414S F9D BATTERY LITHIUM SECONDARY MAY BD0010 0001 BPF201 MAY FE0029 T001 1960MHZ FILTER SAW MAY FE0029 T001 BPF211 MAY FE0028 T001 1842 5MHZ FILTER SAW MAY FE0028 T001 BPF22...

Page 156: ...36B103K16NT CAPACITOR CERAMIC MAS CA0004 B025 C141 PSZ 99999 993ZZ NOT ASSIGNED C142 MAS CA0004 B040 GRM36B104K10NT CAPACITOR CERAMIC MAS CA0004 B040 C143 MAS CA0004 B040 GRM36B104K10NT CAPACITOR CERAMIC MAS CA0004 B040 C151 PSC CT73CHJ180J GRM36CH180J50PT CAPACITOR CERAMIC MPS C 1053 C152 PSC CT73CHJ101J GRM36CH101J50PT CAPACITOR CERAMIC MPS C 1053 C153 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR C...

Page 157: ...ASSIGNED C221 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR CERAMIC MPS C 1053 C222 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR CERAMIC MPS C 1053 C223 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR CERAMIC MPS C 1053 C224 PSZ 99999 993ZZ NOT ASSIGNED C227 PSZ 99999 993ZZ NOT ASSIGNED C228 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR CERAMIC MPS C 1053 C229 PSC CT73CHJ510J GRM36CH510J50PT CAPACITOR CERAMIC MPS ...

Page 158: ...ERAMIC MPS C 1068 C277 MAS CA0004 B040 GRM36B104K10NT CAPACITOR CERAMIC MAS CA0004 B040 C278 PSC KT39B0B105K GRM39B105K6 3NT CAPACITOR CERAMIC MPS C 1068 C279 PSZ 99999 993ZZ NOT ASSIGNED C280 MAS CA0004 B040 GRM36B104K10NT CAPACITOR CERAMIC MAS CA0004 B040 C281 MAT CA0001 T001 CK2012B225K10 CAPACITOR CERAMIC MAT CA0001 T001 C291 PSC CT73CHJ050C GRM36CH050C50PT CAPACITOR CERAMIC MPS C 1053 C292 PS...

Page 159: ...B105K6 3 CAPACITOR CERAMIC MPS C 1047 C361 PSC CT67B0D224K GRM39B224K16 CAPACITOR CERAMIC MPS C 1047 C362 PSC CT73CHJ270J GRM36CH270J50PT CAPACITOR CERAMIC MPS C 1053 C363 PSZ 99999 993ZZ NOT ASSIGNED C365 MAS CA0004 B005 GRM36B471K50NT CAPACITOR CERAMIC MAS CA0004 B005 C366 PSZ 99999 993ZZ NOT ASSIGNED C367 PSC KT39B0B105K GRM39B105K6 3NT CAPACITOR CERAMIC MPS C 1068 C369 PSC ST29Z0C475M TCFGP1A4...

Page 160: ...36CH270J50PT CAPACITOR CERAMIC MPS C 1053 C506 PSC CT73CHJ270J GRM36CH270J50PT CAPACITOR CERAMIC MPS C 1053 C507 MAT CC0001 T003 TESVSP1A475MLE8R CAPACITOR TANTALUM MAT CC0001 T003 C508 MAS CA0004 B042 GRM36B104K6 3NT CAPACITOR CERAMIC MAS CA0004 B042 C509 MAT CC0001 T003 TESVSP1A475MLE8R CAPACITOR TANTALUM MAT CC0001 T003 C510 MAS CA0004 B032 GRM36B273K10NT CAPACITOR CERAMIC MAS CA0004 B032 C511 ...

Page 161: ...T CA0001 T002 C551 MAS CA0004 B042 GRM36B104K6 3NT CAPACITOR CERAMIC MAS CA0004 B042 C552 MAS CA0004 B042 GRM36B104K6 3NT CAPACITOR CERAMIC MAS CA0004 B042 C553 MAS CA0004 B040 GRM36B104K10NT CAPACITOR CERAMIC MAS CA0004 B040 C554 PSZ 99999 993ZZ NOT ASSIGNED C555 MAS CA0004 B042 GRM36B104K6 3NT CAPACITOR CERAMIC MAS CA0004 B042 C557 PSZ 99999 993ZZ NOT ASSIGNED C558 PSZ 99999 993ZZ NOT ASSIGNED C...

Page 162: ...A0004 B010 GRM36B102K50NT CAPACITOR CERAMIC MAS CA0004 B010 C654 PSC CT73CHJ100D GRM36CH100D50PT CAPACITOR CERAMIC MPS C 1053 C655 MAT CA0001 T001 CK2012B225K10 CAPACITOR CERAMIC MAT CA0001 T001 C656 PSZ 99999 993ZZ NOT ASSIGNED C657 PSZ 99999 993ZZ NOT ASSIGNED C658 PSZ 99999 993ZZ NOT ASSIGNED C659 PSC CT73CHJ330J GRM36CH330J50PT CAPACITOR CERAMIC MPS C 1053 C660 PSC CT73CHJ330J GRM36CH330J50PT ...

Page 163: ...C CT74C0D123K GRM36B123K16PT CAPACITOR CERAMIC MPS C 1054 C881 PSC CT74C0D123K GRM36B123K16PT CAPACITOR CERAMIC MPS C 1054 C882 PSC CT74C0D123K GRM36B123K16PT CAPACITOR CERAMIC MPS C 1054 C883 PSC CT74C0D123K GRM36B123K16PT CAPACITOR CERAMIC MPS C 1054 C884 PSZ 99999 993ZZ NOT ASSIGNED C885 PSC KT39B0B105K GRM39B105K6 3NT CAPACITOR CERAMIC MPS C 1068 C886 PSZ 99999 993ZZ NOT ASSIGNED C887 PSC CT74...

Page 164: ...FRAME D2 15Y 000914 K121 15Y 000912 SHILED FRAME C 15Y 000912 K171 15Y 000915 SHILED FRAME E 15Y 000915 K251 15Y 000911 SHILED FRAME B 15Y 000911 K401 15Y 000906 CSP FRAME C 15Y 000906 K451 15Y 000905 CSP FRAME B 15Y 000905 K501 15Y 000904 CSP FRAME A 15Y 000904 K601 15Y 000907 SHILED FRAME A1 15Y 000907 K602 15Y 000908 SHILED FRAME A2 15Y 000908 K603 15Y 000909 SHILED FRAME A3 15Y 000909 K604 15Y...

Page 165: ...COIL LEADLESS MPS L 4058 A25 L903 PLL 18001 025ZZ LL1005 FHR10J COIL LEADLESS MPS L 4058 A25 MIC501 MAY DA0006 A001 KUF4325 018010 MICROPHONE UNIT MAY DA0006 A001 OSC111 MAY QH0005 T001 MQW110A869MR5 MAY QH0005 T001 OSC121 MAY QH0006 T001 MQE970A3G62R6 MAY QH0006 T001 OSC171 MAY QG0005 T001 26000KHZ VCTCXO MAY QG0005 T001 PWB101 15Y 800143 PRINT BOARD LOWER 15Y 800143 PWB851 15Y 800166 PRINT BOARD...

Page 166: ...R263 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R266 PSR NT16B0A2R2J CR16SB2R2J RESISTOR FIXED MPS R 1023 R269 PSZ 99999 993ZZ NOT ASSIGNED R301 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R302 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R303 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R304 PSZ 99999 993ZZ NOT ASSIGNED R307 PSR NT16B0A103J CR16SB103J RESISTOR F...

Page 167: ...03J RESISTOR FIXED MPS R 1023 R411 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R412 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R413 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R414 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R415 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R416 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R418 PSR NT16B0A000J C...

Page 168: ...D MPS R 1023 R533 PSR NT16B0A223J CR16SB223J RESISTOR FIXED MPS R 1023 R534 PSR NT16B0A153J CR16SB153J RESISTOR FIXED MPS R 1023 R535 PSR NT16B0A154J CR16SB154J RESISTOR FIXED MPS R 1023 R536 PSR NT16B0A331J CR16SB331J RESISTOR FIXED MPS R 1023 R537 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R538 PSZ 99999 993ZZ NOT ASSIGNED R540 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R601 ...

Page 169: ...XED MPS R 1023 R875 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R876 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R877 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R878 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R879 PSR NT16B0A000J CR16SB000J RESISTOR FIXED MPS R 1023 R880 PSR NT16B0A104J CR16SB104J RESISTOR FIXED MPS R 1023 R881 PSR NT16B0A104J CR16SB104J RESIS...

Page 170: ...BG DIODE MAY VY0005 0002 X604 MAY VY0005 0002 AVR M1005C270MTAABG DIODE MAY VY0005 0002 X605 MAY VY0005 0001 AVR M1005C080MTAABG DIODE MAY VY0005 0001 X606 MAT VB0004 0001 SBE601 TL MAT VB0004 0001 X607 MAY VY0005 0001 AVR M1005C080MTAABG DIODE MAY VY0005 0001 X608 PSZ 99999 993ZZ NOT ASSIGNED X612 MAY VY0005 0002 AVR M1005C270MTAABG DIODE MAY VY0005 0002 X851 MAT VK0022 T001 CL 420D D TS LED MAT ...

Page 171: ...0002 T001 Z291 MAY XA0003 T001 SF7W006S1BE1000 MAY XA0003 T001 Z541 MAY XD0005 T001 TCX0552 010100 SPEAKER TERMINAL MAY XD0005 T001 Z601 MAT JJ0018 T001 RA1RN11H12 E1000 CONNECTOR MAT JJ0018 T001 Z610 MAT JN0004 T003 IL FHJ 27S HF N1 R2000 CONNECTOR MAT JN0004 T003 Z621 MAT JN0004 T006 IL FHJ 21S HF N1 R2000 CONNECTOR MAT JN0004 T006 Z631 MAT JN0004 T006 IL FHJ 21S HF N1 R2000 CONNECTOR MAT JN0004...

Page 172: ...NEC Confidential Proprietary Previous Section Main Menu Section 11 Glossary of Terms 11 ...

Page 173: ...verter ADJ Adjust Adjustment ADN Abbreviated dialing number AF Audio Frequency AFC Automatic Frequency Control AGC Automatic Gain Control AGCH Access Grant Channel AH Ampere Hour AID Area Identification Number ALC Automatic Level Control ALM Alarm ALS Alternate Line Service ALU Arithmetic and Logic Unit AM Amplitude Modulation AM Acknowledged mode AMD Acknowledged mode data AMP Amplifier ANT Anten...

Page 174: ...connector BPF Band Pass Filter BS Base Station BSC Base Station Controller BSS Base Station Subsystem BTS Base Transceiver Station BZT Bundesamt für Zulassung in der Telekommunikation Germany C c Collector terminal on a Transistor C Capacitor Centigrade CAL Calibrate Calibration CAP Capacitor CB Call barring Cell broadcast CBCH Cell broadcasting channel CBS Cell broadcast short message service CCC...

Page 175: ...RC Cyclic Redundancy Coding CS Chip selection CSP Conversion Signal Processor CTS Clear to send CUG Close user group CW Call waiting Continue wave carrier D D Drain terminal of a Field Effect Transistor DA D A Digital to Analogue Converter DAT Data dB Decibels dBm Decibels relative to 1mW DC dc Direct Current DCD Data carrier detect DCS Digital cellular system DEMOD Demodulator DET Detector DEV De...

Page 176: ...bility ENBL Enable EPROM Erasable and Programmable Read Only Memory ETSI European Telecommunications Standards Institute EXP Expander EXT External Extension F F Farad FACCH Fast Associated Control Channel FCH Frequency Control Channel FCN Function FTP File transfer protocol FDMA Frequency Division Multiple access FET Field Effect Transistor FIL Filter FM Frequency Modulation FPC Flexible print cir...

Page 177: ... High speed circuit switched data Hz Hertz I I In Phase signal I F Interface I O Input Output IC Integrated circuit Interference cancellation ID Identity IF Intermediate Frequency IMEI International Mobile Equipment Identity IMSI International Mobile Subscriber Identity INIT Initialise INT Internal Interrupt IP Internet protocol IP M IP multicast ISDN Integrated Services Digital Network K KB Kilob...

Page 178: ...i ampere mAH Milliampere hour M Microphone side lower side MAX Maximum MHz Mega Hertz MIC Microphone MID Middle MMS Multi media message service MIN Minimum MIX Mixer MOD Modulate Modulator MODEM Modulator and Demodulator MON Monitor MOS Metal oxide semiconductor MS Mobile Station MSC Mobile switching centre MSK Minimum Shift Keying MSS Mobile Subscriber set MUX Multiplexer N N A Not apply NC No Co...

Page 179: ...Loop PLMN Public land mobile network PM Phase Modulation PPM Parts per million PROM Programmable Read Only Memory PS Power Supply PSK Phase Shift Keying PSTN Public Switched Telephone Network PUK Personal unblocking key PWB Printed Wiring Board PWR Power Q Q Quadrature Phase Signal QPSK Quadrature phase Shift Keying QTY Quantity R R Resistor Receiver side upper side RACH Random Access Channel RAM ...

Page 180: ...trol Channel SAW Surface Acoustic Wave SCH Synchronisation Channel SCL Serial Clock SDA Serial Data SDCCH Stand Alone Dedicated Control Channel SENS Sensitivity SERCK Serial Clock SERDA Serial Data SERLT Serial Latch SHF Simple Hands Free SIG Signal SIM Subscriber Identity Module SPK Speaker Sounder Horn SRAM Static Random Access Memory STD Standard STO Store SYNC Synchronise Synchronisation SYNTH...

Page 181: ... Audio Frequency U UART Universal Asynchronous Receiver Transmitter UHF Ultra high frequency Um GSM radio interface USB Universal serial bus USSD Unstructured supplementary service data V V Volts Vibrator VCO Voltage Controlled Oscillator VLR VLR Visitor Location Register VOL Vol Volume W WWW World wide web W Watts Width X XTAL Crystal XTL Crystal ...

Page 182: ...nual or any related materials The information in this service manual is advisory in nature and subject to change NEC may make improvement and changes in the products without notice Changes will be periodically made to the information in new edition Efforts have been made to ensure that the contents of this manual are correct Should you find any error NEC will welcome your comment to improve our te...

Search results

Summary of Contents for N8

Reviews:

Related manuals for N8

Brands by name

Popular brands

NEC N8, Service Manual

Search results

Summary of Contents for N8

Reviews:

Related manuals for N8

Brands by name

Popular brands