Motorola T189 Service Manual Download Page 85

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A100

DET

1, 3

4, 14

SAT.

FL470

RX SIGNAL PATH

TX SIGNAL PATH

MAIN VCO SIGNAL PATH

TUNING VOLTAGES

REFERENCE CLOCK

900-1900MHz

Orderable Part

Non - Orderable Part

925-960MHz

FL480

U432

SW_VCC

Q201

B+

E
E

RF_V2

RF_V1

to WhiteCap

from WhiteCap

Q202

800MHz

LOCAL

OSCILLATOR

CR249

CR248

VRef

A 9

Osc.

circuty

discrete

U913
MAGIC

Q203

PLL

D1, D8, F2

400 MHz

Q490

A 8

V1_SW

RF_V1

SF_OUT

TX_KEY_OUT

SAT_DETECT

AOC_DRIVE

DET_SW

PAC_EN

RF_IN

U350 PAC

CONTROL

TX_KEY_OUT

SAT_DETECT

AOC_DRIVE

DETECT_SW

A 5

SPI

MODULATION

A 3

STEP

ATT.

D E M O D U L A T I O N

SPI

INTER

FACE

G 7

G 5

H 4

( SDTX ) BDX

( TX_CLK ) BCLKX

( SPI_DATA ) DX1

( SPI_CLK ) MOSPI_CLK1

( CE ) MQSPI_CS1

G 9

G 8

( SCLK_OUT ) BCLKR

( SDFS ) BFSR

( SDRX ) BDR

RX_ACQ

TX_KEY

DM_CS

CLK_SELCT

26MHz

MAGIC_13MHz

Startup

P H A S E
D E T

Ref.

1 /2

MUX

LOGIC

CONTROL

GP04

GSM

GSM / DCS SELECT CIRCUIT

from WhiteCap

to WhiteCap

from WhiteCap

1805-1880MHz

13MHz

H 2

H 1

SF_OUT

LOGIC

CONTROL

U301

TX VCO

Q370

Q320

Q333

TX_EN

B+

Y200

H 6

ual Ban

GSM SERVICE SUPPORT GROUP 30.11.00

LEVEL 3 RF Block Diagram

Rev. 1.0

Dualband Taishan

Roger Hong, Pei Yuantao, Luo Yu

Page1

T X L O O P

F I L T E R

R E F . O S C .

2 6 M H z

P r o g .

Divider

2 0 0 K H z

R E F .

Divider

200KHz

AFC

RXI

R X Q

TXI

TXQ

PLL

DET

PHASE

Divider

EGSM: 880-915Mhz
DCS: 1710-1785MHz

EGSM: 1325 - 1360Mhz
DCS: 1405 - 1480MHz

EGSM: CH 37 -- 942,4Mhz

DCS: CH 700 -- 1842,8MHz

RX MID CHANNELS

GSM: CH 62 -- 947,4 MHz

EGSM: CH 37 -- 1342,4Mhz

DCS: CH 700 -- 1442,8MHz

RX VCO MID CHANNELS

GSM: CH 62 -- 1347,4 MHz

RX VCO FRQ. RANGE

EGSM: CH 37 -- 897,4Mhz

DCS: CH 700 -- 1747,8MHz

TX VCO MID CHANNELS

GSM: CH 62 -- 902,4MHz

TX VCO FRQ. RANGE

TX FRQ. RANGE

J300

U100

3, 4

RF_V2

2,5,6

RVCO_250

RX_EN

DCS_SEL

FL490

3
4

DCS

U253

RX VCO

RVCO_250

RX_DCS_*GSM

Q172

RF_V2

CR320

Q330

Q331

REG_B+

B+

DCS_SEL

GP02

DCS_TX_VCO

GSM_TX_VCO

RX_DCS_*GSM

Q110

-5V

RX_EN

TX_EN

PAC_EN

DCS_SEL

FRONTEND IC

FL472

Summary of Contents for T189

Page 1: ...Level 1 and 2 Service Manual V1 0 ...

Page 2: ...ers 3 9 Accesory Set up SECTION 4 DISASSEMBLY PARTS 4 1 Dissasembly Introduction 4 2 Recommended Tools 4 3 Disassembly Procedure 4 4 Assembly procedure 4 5 Exploded Parts diagram 4 6 Replacement parts SECTION 5 SIM CARDS AND SECURITY 5 1 Manual test mode 5 2 Live Sim Card 5 3 Personality Transfer 5 4 GSM Test Command 5 5 Identity and Security SECTION 6 REPAIR TEST PROCEDURES 6 1 Repair introductio...

Page 3: ...Down voltage To 4 2V Max Transmit Current Typically 290 mA avg Stand by Current Typically 10 mA Dimensions 108mmx43mmx23 5mm Leap Slim Battery Size Volume 85cc Weight 95g with Battery Temperature Range 10C to 55C Transmitter Function Specification RF Power Output 33 dBm 2dB GSM 30 dBm 2 dB DCS Output Impedance 50 ohms nominal Spurious Emissions 36 dBm from 0 1 to 1 Ghz 30 dBm from 1 to 4 Ghz Recei...

Page 4: ... Encoding 22 8 k bps 2 2 T189 Overview The T189 will incorporate many new features that were in the past unavailable to the low cost products These are Alarm RTC Vibrator Intergrated Headset 96 X 64 Graphics Display with 13 Soft Icons Single Lion Batteries 580mA Dual Band GSM 900 and GSM 1800 SIM toolkit V2 2 0 ...

Page 5: ...Antenna Lens Keypad Speaker Ports Vol Up Down Fig 2 1 Mechanical pictorial Overview Headset Connector ...

Page 6: ...Antenna Auxiliary RF Test Port SIM Slot Batt Contacts Screw Locations ...

Page 7: ...Antenna Headset Adapter Volume Buttons Antenna Battery Cover ...

Page 8: ...4 Talk Times Weight Dimensions and Volume Matrix Volume cubic cm Weight grams Talk Time minutes Standby time hours Dimensions mm With Battery type 85 95g 150 210 100 200 108mmx43mmx23 5mm Leap Slim Battery 580mAh Lion Battery ...

Page 9: ...SECTION 3 FEATURE LIST ...

Page 10: ...emory restrictions 2 To SIM card memory Last Ten Calls 1 Last Calls made Last Calls Received Erase all Numbers 1 Call Number 2 Time and Date 3 Add to Phone memory 4 Add to SIM Card Memory My phone number s Fixed dialing View fixed dial list Setup Fixed Dialing Enter Pin2 1 On 2 Off 3 Edit Entry 4 Add Entry 5 Erase Entry Show Services 1To SIM memory 2 To Fixed Dial list One Touch Dial Setting ...

Page 11: ...Tower of Hanoi New Game Saved Game Best Score Bricks New Game Saved Game Best Score Baccarat New Game Saved Game Best Score ...

Page 12: ...Set Alarm One Time Daily Weekly Mon Fri Mon Sat Show Alarm Disable Alarm Edit Alarm Go To Next Alarm ...

Page 13: ......

Page 14: ... Outgoing Messages Go to next message Send message Edit message Delete message 1 Send message 2 Store message Cell broadcast On Off Channel List Language List 1 Channel Index 2 Delete all channels English Automatic Message Settings Message Editor Edit Message Send message Store Message 1 Voicemail Number 2 Service Centre 3 Expiry Period 4 Outgoing message type ...

Page 15: ...Change SIM PIN2 Code Require SIM card pin 1 On 2 Off 3 Change SIM pin Code New security code Extended menus 1 On 2 Off Language Selection English Automatic Entry Method Selection BoPo MoFo Stoke Pin Yin iTAP TAP Mode Battery saving mode 1 On 2 Off Select Keypad tones 1 Normal Tones 2 Single Tones 3 No Tones Phone Status 1 Status review 2 Master reset 3 Master Clear Ringer or Vibrate Ringer Only Vi...

Page 16: ...Continue from previous page Set Alarm Ringer Tone 1 On 2 Off Set Message Alarm Tone Standard Tone Music Tone Set Time and Date Set Time Set Date Show Time And Date Set Time Format 24h 12h ...

Page 17: ......

Page 18: ......

Page 19: ...SECTION 4 DISASSEMBLY PARTS ...

Page 20: ...g the internal components of this equipment 4 2 Recommended Tools The following tools are recommended for use during the assembly disassembly of the T189 Anti static Mat Kit 0180386A82 includes Antistatic mat 66 80387A95 Ground Cord 66 80334B36 Wrist Band 42 80385A59 Plastic Bladed Tool SLN7223A T6 Torx Driver 4 3 Disassembly Procedure The following set of diagrams will demonstrate the correct seq...

Page 21: ...emove battery door by pressing down on latch and pulling back 2 Remove Batteries 3 Remove antenna by rotating anti clockwise 4 Unscrew 6 retaining screws using T6 Torx driver find screw locations on page 4 ...

Page 22: ...6 Slide plastic tool in between front housing and PCB and prise PCB out 5 Remove rear housing from unit 7 Remove the rubber side panels the unit 8 Remove Keypad ...

Page 23: ...peaker from front housing 10 Carefully prise display LCD from main board by releasing catches on each side of LCD frame 11 Carefully lift the flip of the ZIF connector and remove the flex Note The flex is very fragile ...

Page 24: ...4 5 Exploded Parts Diagram 1 2 3 4 5 6 7 8 ...

Page 25: ...9 10 11 12 13 14 15 ...

Page 26: ...acement Parts 1 TBD 2 Front Housing 3 Rear Housing 4 Battery cover 5 Vibrator 6 Antenna 7 Number Keypad 8 Mylar Dome 9 LCD ASSY 10 LCD Lens 11 Mic Grommet 12 Speaker earpiece 13 Side Key 14 Power Key 15 Screw ...

Page 27: ...mmands make the unit performs desired functions To enter the manual test command mode a GSM DCS mini test sim Part No 8102430Z04 must be used The test sim is inserted into the SIM slot in the side of the phone See figure 6 1 the battery should then be inserted and the unit powered on The button should then be pressed for approximately 3 second until test appears on the display and the correct comm...

Page 28: ...sary to access GSM services and also The ability to store user information such as phone numbers etc All information required by the network provider to provide use to the network 5 3 Personality Transfer No personality transfer available on this product 5 4 GSM Test Commands This is a list of Level 1 and 2 Test commands available to T189 Table 5 1 Test commands Key Sequence Test Function Name hol...

Page 29: ...y 58 Display security code 58xxxxxx Modify security code 59 Display lock code 59xxx Modify lock code 60 Display IMEI 980 981 DCS GSM mode 99 Display all display pixels 15XX 36XX 0 or Omitted Full Rate 1 Enhanced Full rate 91 Constant Ringer 2 Half Rate 5 5 Identity and Security Each Motorola T189 will be labelled with various number configurations The following information describes what these con...

Page 30: ...he unit s memory The following figure gives a description of the make up of this number Some other label number configurations that will be present will be XCVR NUMBER Identifies type of product i e T189 Usually SWF number PACKAGE NUMBER Determines type of equipment mode in which it was shipped and language with which it was shipped ...

Page 31: ...SECTION 6 REPAIR AND TEST PROCEDURES ...

Page 32: ... available Also a personality transfer would be necessary 6 2 Mechanical repairs Assembly replacement level troubleshooting and repair of the T189 is limited to isolation and replacement of the main mechanical parts only See Exploded parts diagram and associated parts list 6 3 Basic Modular Troubleshooting The troubleshooting information in Table 2 shows some typical malfunction symptoms and for t...

Page 33: ...rd assembly If unit does not power up proceed to d d Display circuit failure Disassemble unit and remove LCD module and insert known good module Insert Battery and depress PWR button Ensure unit stays on if OK reassemble unit in new housing assembly 2 Personal telephone exhibits poor reception and or erratic operation such as calls frequently dropping weak and or distorted audio etc a Antenna is d...

Page 34: ... new Display assembly If display assembly is not at fault proceed to c c Logic RF Board Assembly Defective Replace Logic RF Assembly refer to symptom 1c Verify that the fault has been cleared and Re assemble the unit with the new PCB ...

Page 35: ...nd verify as heard by called party If good re assemble unit with new Microphone If Microphone is not at fault re install original Microphone and proceed to c b Logic RF Board Assembly defective Replace Logic RF Board Assembly refer to symptom 1c Verify that the fault has been cleared and re assemble the unit with the new PCB 6 Personal telephone receive audio is weak and or distorted From speaker ...

Page 36: ...has been cleared and re assemble the unit with the new PCB SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 9 Internal Charger not working a Batteries faulty Replace suspect batteries with known good items Insert charger and ensure battrey charging icon flashes if OK replace batteries if batteries still do not charge proceed to b a Faulty charger circuit on main board defective Replace Logic RF Boar...

Page 37: ...ashing of software contact should be made with the local technical support engineer 6 6 Flexing For information on setting up and equipment for flexing contact should be made with the local technical support engineer 6 7 Testing on HP8922 SECTION 7 ACCESSORIES TBD ...

Page 38: ...SECTION 8 SALES MODELS TBD ...

Page 39: ...SECTION 9 GLOSSARY OF TERMS ...

Page 40: ...ary Coded Decimal BCU BTS Control Unit Bm Full rate traffic channel BN Bit Number BS Base Station BSC Base Station Controller BSIC Base Transceiver Station Identity Code BSS Base Station System BSSAP BSS Application Part DTAP and BSSMAP BSSC Base Station System Control Cabinet BSSMAP Base Station Systems Management Application Part BSSOMAP BSS Operation and Maintenance Application Part BSU Base Si...

Page 41: ...Group special Mobile EFR Enhanced Full Rate EIR Equipment Identity Register EIRP Effective Isotropic Radiated Power EMC Electromagnetic Compatibility EMX Electronic Mobile Exchange ETSI European Telecommunications Standards Institute FACCH Fast Associated Control channel FACCH F Full rate Fast Associated Control channel FACCH H Half rate fast Associated Control channel FB Frequency correction burs...

Page 42: ...n Register MA Mobile Allocation MAH Mobile Access Hunting MAI Mobile Allocation Index MAIO Mobile Allocation Index Offset MAP Mobile Application Part MCC Mobile Country Code MCI Malicious Call Identification MD Mediation Device ME Mobile Equipment MF Multi Frequency tone signaling type MLSE Maximum Likelihood Sequence Estimator MM Mobility Management MMI Man Machine Interface MNC Mobile Network Co...

Page 43: ...ality of Service RAB Random Access Burst RACH Random Access Channel RBDS Remote BSS Diagnostic Subsystem RBU Remote Base Station Unit PCN RCU Radio Channel Unit REC Recommendation REL Release RELP LTP Regular Pulse Excitation Long Term Prediction REQ Request RFCH Radio Frequency Channel RFN Reduced TDMA Frame Number RLP Radio Link Protocol ROSE Remote Operations Service Element a CCITT specificati...

Page 44: ... A half rate speech TCH TCP Transmission Control Protocol TDMA Time Division Multiple Access TE Terminal Equipment TMN Telecommunications Management Network TMSI Temporary Mobile Subscriber Identity TN Timeslot Number TRX Transceivers TTY TeleTYpe refers to any terminal TS Time Slot TUP Telephone Users Part UI Unnumbered Information frame Um Air Interface VAD Voice Activity Detection VLR Visited L...

Page 45: ...1 Tai Tai Shan Shan DUAL BAND DUAL BAND ...

Page 46: ...2 Tai Tai Shan Shan DUAL BAND DUAL BAND ...

Page 47: ...orm multiple forms looks Dual band CSM900 1800 Full matrix 96x64 graphics display with 13 soft icons Integrated headset jack Side Mounted Volume Switches SIM toolkit Microbrowser UP 3 1 Capable Product Features Product Features ...

Page 48: ...4 Tai Tai Shan Shan Size 108mm x42 mm x18 mm 120 cc Weight 120 g Talk Time 150 210 min Standby 100 200hours Product Features Product Features ...

Page 49: ...n Shan 3 6 V Platform 3 6 V LDMOS PA Application VCO Modules Front End IC No Accessory Connector Stacked Flash Memory SRAM Individual Battery Cells vs Battery Pack Leap charge circuit Design Approach Design Approach ...

Page 50: ...based on shark The main updates based on shark Phone Book 100 phone memory SIM card memory 20 Leap charging circuitry and software Clock Alarm with battery backup Vibrator MMI refreshment Butt plug circuitry migration from Leap WAP removed ...

Page 51: ...an The main updates based on shark The main updates based on shark WAP removed Games Calculator To be confirmed Edit Send Ringer Tone via SMS SMS with CLI No personalized banners No quick access key cd928 type keyboard ...

Page 52: ...8 Tai Tai Shan Shan 1 Remove battery door by pressing down on clip and pulling back 2 Remove the three batteries DISASSEMBLY DISASSEMBLY ...

Page 53: ...9 Tai Tai Shan Shan 3 Press down and pull SIM card lid to right and lift For removing pull horizontally to the left 4 Unscrew all 6 screws DISASSEMBLY DISASSEMBLY ...

Page 54: ...10 Tai Tai Shan Shan 5 Lift off back housing 6 Prise off alert from back housing DISASSEMBLY DISASSEMBLY ...

Page 55: ...11 Tai Tai Shan Shan 8 Lift PCB out of front housing 7 Unscrew Antenna and remove DISASSEMBLY DISASSEMBLY ...

Page 56: ...12 Tai Tai Shan Shan 10 Remove keypad from front housing 9 Remove Side Grip from front housing DISASSEMBLY DISASSEMBLY ...

Page 57: ...13 Tai Tai Shan Shan 11 Unclip display board latches at both sides of PCB and detach carefully DISASSEMBLY DISASSEMBLY ...

Page 58: ...14 Tai Tai Shan Shan 12 Lift hinge from ZIF connector and remove carefully flex print DISASSEMBLY DISASSEMBLY ...

Page 59: ...15 Tai Tai Shan Shan 14 top side 13 bottom side DISASSEMBLY DISASSEMBLY ...

Page 60: ...16 Tai Tai Shan Shan U301 TX VCO l Y200 26Mhz crystal U200 Magic IC J803 SIN CONN J604 Battery CONN J600 Ext CONN U900 GCAPE U701 Flash ROM U702 SRAM U800 White Cap U350 PAC J300 RF CONN Q370 TPA ...

Page 61: ...17 Tai Tai Shan Shan LED LED J902 Display CONN FL472 Filter J510 Buzzer U432 Front end IC J50504 Headset Jack FL490 400Mhz Filter U905 Back up battery 3U253 U253 RX VCO ...

Page 62: ...shan level 3 debug issue30 11 2000 MOTOROLA INTERNAL USE ONLY Dual Band Taishan Dual band level 3 debug Version 1 0 Prepared by Tony Zhang Date Nov 30 2000 Approved by _____________________ Total Pages 19 ...

Page 63: ...Shark level 3 debug issue31 11 2000 MOTOROLA INTERNAL USE ONLY REVISION HISTORY Version Date Name Reason 1 0 23 12 1999 Fabrizio Alba First release ...

Page 64: ...Does phone power up correctly Does phone draw a lot of current Does display works correctly Does backlight works correctly Does keypad works correctly Does phone shows phone failure see supplier Go to no power up on pag 03 ON FUTURE ON FUTURE Go to no keypad on pag 12 Go to no backlight on pag 11 NO YES YES NO YES NO YES NO YES YES go to 1 PAG 02 NO Go to no display on pag 11 NO For any page see e...

Page 65: ...re audio TX RX working correctly on headset Go to no TX RX audio on headset on pag 14 15 Go to no microphone on pag 14 Go to no alert on pag 12 Go to no tx GSM DCS on pag 07 Go to no rx GSM DCS on pag 05 Go to No charger page 16 no vibrator page 17 Connect phone to HP 8922 active cell Make a phone call from analyzer Answer call Insert headset on properly connector Does internal charger and vibrato...

Page 66: ...2 8 V presence and for RF_V1 voltage 2 8 V on C217 For V_BOOST issue check L901 C980 C970 C981 CR 902 C913 for other voltages issues check any line for short or different resistence compare with a good one Make a short on W D line on R941 side near C913 AND CHECK FOLLOWING FOLTAGES V_BOOST 5 6 V on C913 V1 5V on C906 V2 2 8 V on C939 R905 V3 1 8 V on C909 SR_VCC 2 8 V on R722 VRef 2 8 V on C919 SE...

Page 67: ...nd it for missing dry joint or faulty check also V1_SW 5 V presence on R234 it comes from Q913 If all is ok probably U200 faulty 2 NO POWER UP Does MAGIC 13 MHz clock is present on TP 200 or C817 NO Is reset voltage at 2 7 V present on C820 Is CE0 flash ic chip enable present on TP 824 Is CE2 ram ic chip select present on TP 825 and CE3 on TP 826 REPLACE U900 Check for V2 2 8 V presence on C700 C7...

Page 68: ...d it With PCB in stand by check for data presence on SPI BUS TP 205 TP 206 Problem could be U800 try to resolder it after replace component Check U200 for faulty Check for data presence on R299 BDR R299 BFSR R287 BCLKR Note digit 450062 for every point of measure Does RX ACQ signal works correct whenever you digit 450062 test command check this on TP RX_ACQ See receiver timing below NO YES NO YES ...

Page 69: ...es from U903 REPLACE FL490 YES YES YES YES NO Check on U432 pin 7 for RX VCO presence at 1347 4 MHz for GSM or at 1442 8 MHz for DCS if ok check U432 for correctbias else check U253 for faulty Note RX_VCO250 see on Q172 RX_DCS GSM see on Q160 V_tuning on pin 1 see R221 U200 SEE U432 DIAGRAM ON PAG 18 Is RF signal as before present on FL472 in using GSM way or on FL 480 IN using DCS way way Is ther...

Page 70: ...rom U200 or pin 2 U110 GSM_SEL comes out from U110 pin 4 10 V comes out from U904 DCS_TX_VCO GSM_TX_VCO for any problem check Q130 Connect on J300 connector an RF spectrum analyzer set pcb in test mode and digit following test command 110062 1215 40 for a test in GSM way 110700 1215 40 for a test in DCS way Check for RF signal presence at frequency 902 4 MHz for GSM or 1747 8 MHz for DCS RF IS PRE...

Page 71: ... R326 it comes from U 800 else be sure to have correct RF signal on U301 pin 1 if not ok go to C on page 07 Check C1619 R301 CR320 L320 C326 Q330 for correct bias collector 3 3 V REG B see for this Q332 Q333 base 1 V see R330 PAC IC bias on pag 09 Check R304 L331 C315 and Q331 for correct bias REG B 3 3 V voltage on collector see for this Q332 Q333 0 4 V on base see for this L333 R302 CR330 R387 e...

Page 72: ...TP 209 DM_CS see on TP 208 NOTE REFER DIAGRAMS BELOW on pag 10 FOR TIMING TX PAC IC TX POWER CONTROL ON U200 IC PAC_EN 4V 217 Hz U350 14 6 5 4 3 2 1 8 9 10 11 12 13 7 DET_SW TX_KEY OUT ACT AOC GND RF_IN GND PAC_EN EXC NOTE check if any components mentioned is correctly positioned has not dry joint and is not damaged If all is ok replace it If problem is still the same send BOARD IN htc note all th...

Page 73: ...S NOTE check if any components mentioned is correctly positioned has not dry joint and is not damaged If all is ok replace it If problem is still the same send BOARD IN htc note all the signal voltage present in this procedure has to be clear and at correct level compare them with a good pcb MODULUS 2 TX TIMING on U200 ...

Page 74: ...40 Probably U800 faulty Check in order U900 U800 for faulty NO DISPLAY Replace display with a new one Is still a display issue END Check on J902 display connector for presence of 1 data DP_EN it comes from U800 2 2 7 V RESET it comes from U900 3 data A0 see R716 for missing 4 data R_W it comes from U800 from 5 to 12 data see on C1714 to C1720 13 2 7 Vcc V2 it comes from C939 14 GND 15 5 Vcc it com...

Page 75: ... R508 for missing or unsoldered issue else problem could be U900 NO ALERT Supply pcb using pcb test cable cod AE20101903 set pcb in test mode and digit test commands 432 tone enabled on alert way 1513 continuos tone 4707 max volume Check for ALRT_VCC 3 Vcc presence on J510 alert pad and check for signal 1 6 Vpp offset 1 4 Vcc on J511 alert pad Check in order ALRT_VCC presence 3V on Q903 pin 1 2 5 ...

Page 76: ...nsert on J504 connector an headset jack is power on tone udible on speaker You could have an intermittent problem so check any components of speaker way for this U800 U900 Set pcb in test mode and digit following test command 481000 434 4707 is 1 KHz tone present on speaker important remove jack on J504 connector Digit 432 test command enabled alert way for audio use is 1 KHz tone present on alert...

Page 77: ...ly positioned has not dry joint and is not damaged If all is ok replace it If problem is still the same send BOARD IN htc note all the signal voltage present in this procedure has to be clear and at correct level compare them with a good pcb Check for Mic bias 1 4 Vcc presence on C923 if not ok check for dry joint misssing or unsoldered issues on R927 R926 C934 C927 if ok check for same issues on ...

Page 78: ...able cod AE20101903 set pcb in test mode and digit test commands 481000 1 KHz tone enabled 434 audio on speaker headset way 4707 max volume audio Insert on J504 headset connector an headset jack and check if 1KHz tone is udible on headset speaker Check J504 U900 for any intermittent issue Check for missing dry joint or unsoldered issues on R1506 C611 R961 C951 C952 L1005 J504 Is SPKR signal at 0 5...

Page 79: ...ery it must be 0Volt Check U905 and Q908 NOTE1 or Faulty Check U800 NOTE1 or Faulty Put the phone in test mode and digit 500255 Is there on pin3 of Q900 about EXT_B voltage Check R913 Is there 0Volt on pin4 of Q900 Check U900 NOTE1 or Faulty Is there about EXT_B voltage on pin4 of J604 Check Q900 NOTE1 or Faulty and J604 NOTE1 Check for intermittent problem NO NO NO NO NO NO YES YES YES YES YES YE...

Page 80: ...components mentioned are correctly positioned have not dry joint and aren t not phisically damaged Taishan NO VIBRACALL Put the phone in Test mode and digit 1590 Is there 2 7Volt on pin1 of U501 Check U800 NOTE1 or Faulty Check U501 there must be about 1 3Volt on pin4 and J5001 2 contacts START NO YES ...

Page 81: ...Page 18 lunedµ 20 dicembre 1999 MOTOROLA CONFIDENTIAL PROPRIETARY Dual band Taishan level 3 debug rev 1 0 NO POWER UP TIMING SEQUENCE See timing sequence below for no power up issues on pag 03 ...

Page 82: ...Page 19 lunedµ 20 dicembre 1999 MOTOROLA CONFIDENTIAL PROPRIETARY Dual band Taishan level 3 debug rev 1 0 NO POWER UP TIMING SEQUENCE See timing sequence below for no power up issues on pag 03 ...

Page 83: ...Page 20 lunedµ 20 dicembre 1999 MOTOROLA CONFIDENTIAL PROPRIETARY Dual band Taishan level 3 debug rev 1 0 U432 front end mixer ...

Page 84: ...Page 21 lunedµ 20 dicembre 1999 MOTOROLA CONFIDENTIAL PROPRIETARY Dual band Taishan level 3 debug rev 1 0 MAGIC IC U200 PACKAGE GCAP 2 IC U900 PACKAGE WHITECAP IC U800 PACKAGE ...

Page 85: ...from WhiteCap 1805 1880MHz 13MHz A7 C7 C6 H2 H1 F1 SF_OUT LOGIC CONTROL U301 TX VCO 10 1 6 D CS_TX _VC O GSM_TX _VC O 8 3 Q370 C B Q320 C B Q333 TX_EN B Y200 H6 5 Dual Band Taishan GSM SERVICE SUPPORT GROUP 30 11 00 LEVEL 3 RF Block Diagram Rev 1 0 Dualband Taishan Roger Hong Pei Yuantao Luo Yu Page1 TX LOOP FILTER B1 E2 REF OSC 26 MHz Prog Divider 200KHz REF Divider 200KHz AFC RXI R X Q TXI TXQ P...

Page 86: ...ALRT_VCC REG V2 REG V3 REG VBOOST1 REG L901 B V_BOOST1 V1 V2 V3 VREF REG VREF 2 775V for WhiteCap logic outputs RAM FLASH EEPROM 1 8V for WhiteCap VSIM REG VSIM1 V1 5 0V for DSC Bus Negative Voltage Regulator Internal GCap use only VSIM1 LS_V1 3 0 or 5 0V for SIM Card Circuit PA_DRV RESET 2 775V for Magic K6 E18 B10 J5 C6 B5 G9 A6 A10 C10 F7 C7 SENSE BATT EXT_B 14 1 3 10 5 RS232_TX RS232_RX 6 7 DS...

Page 87: ...Taishan Board Layout Draft 2000 12 12 ...

Page 88: ...Dual Band Taishan Level 3 Schematics GSM SERVICE SUPPORT Dual Band Taishan Michael Hansen Ralf Lorenzen Scheil Ray Collins 2001 01 15 Rev 1 0 8464737E01_ Rev 0 Page 1 ...

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