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Motorola L7082, Service Manual

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Motorola L7082 Service Manual Download Page 52

G

U200
MAGIC

G1

J8

C8

B6

C5

A5

B4

SPI 

TX

MODULATION

A1

A3

SPI

INTER

FACE

J2

G7

G5

H4

J3

H9, J9

J7

Startup

Ref.

1 /2

LOGIC

CONTROL

H8

J4

H5

A4

R

E

G

.

A7

C7

F2

F1

H1

H2

F4

LOGIC

CONTROL

B1

E1

REF. OSC.

26 MHz

Prog.

Divider

200KHz

REF.

AFC

TXI

TXQ

PLL

 DET

PHASE

SW_RF
from J600

6

2

5

9

3

10

A1

U401

U150

SWITCH

CONTROL

V1

V2

V1

V2

7

2

2

DET

8

12 

11

10

7

1, 3

2

4, 14

SAT.

1

4

3

6

EXT ANT

FL1400

RX SIGNAL PATH

TX SIGNAL PATH

 MAIN VCO SIGNAL PATH

TUNING VOLTAGES

REFERENCE CLOCK

1805-1880MHz

U151

Orderable Part

Non - Orderable Part

FL400

925-960MHz

Q400

Q1400

FL1401

FL401

Q450

B

E

C

Q450

B

E

C

SW_VCC

Q242

B+

S
S

G

RF_V1

RF_V2

D

D

to WhiteCap

from WhiteCap

Q240

800MHz

RX 

LOCAL

OSCILLATOR

CR249

VRef

Osc. 

circuty

discrete

Q203

400 MHz

Q480

B

C

C

FL457

SW_V1

RF_V1

SF_OUT

RX275_DPCS

RX275

B

B

C

C

R

F

_

V

1

T

X

_

E

N

R

X

_

E

N

F

IL

T

E

R

E

D

_

-5

V

TX_KEY_OUT

SAT_DETECT

AOC_DRIVE

DETECT_SW

TX_275

RF_IN

EXC

U390 PAC

TX_KEY_OUT

SAT_DETECT

AOC_DRIVE

DETECT_SW

( SDTX ) BDX

( TX_CLK ) BCLKX

( SPI_DATA ) DX1

( SPI_CLK ) MOSPI_CLK1

( CE ) MQSPI_CS1

( SCLK_OUT ) BCLKR

( SDFS ) BFSR

( SDRX ) BDR

RX_ACQ

TX_KEY

DM_CS

CLK_SELCT

26MHz

MAGIC_13MHz

Y200

TX_DCS

TX275_DPCS

Q112

2

3

4

RF_V2

RX_EN

GP04

DCS_PCS LNA

GSM LNA

RX275_DCS

RX_GSM_PCS

RVCO_PCS

RX275_GSM

RVCO_DCS

GSM / DPCS SELECT CIRCUIT

TX LOOP

FILTER

from WhiteCap

to WhiteCap

from WhiteCap

925-960MHz

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

1805-1990MHz

FILTERED_-5V

*DCS_SEL

13MHz VCO

CR248

PHASE
 DET

13MHz

Divider

200KHz

Pin2

FL2400

5

1

3

5

U400

1930-1990MHz

RVCO_DCS

RVCO_PCS

6

4

RX275_GSM

STEP

ATT.

DEMODULATION

SPI 

RX

F7

G9

G8

RXI

RXQ

J6

MUX

G6

PA

CONTROL

A9

D9

PLL

S

W

IT

C

H

H7, C8,

C1

S

U

P

E

R

F

IL

T

E

R

 J1, B3

Divider

C4

*GSM_SEL

*PCS_SEL

Q100

1

3

4

RF_V2

2

E2

U250

RX VCO

5

4

3

6

Q1102

RVCO_275

RVCO_PCS

RVCO_DCS

1

U350

TX VCO

5

4

3

6

2

SF_OUT

TX275_GSM

Q331

C

B

U300

PA

7

CR330

GATE CTRL CIRCUIT

FILTERED_-5V

TX_275

DM_CS

2, 8

11-14

Q380

PA_B+

DM_CS

B+

1-3

4

5-8

4,10-15

R

X

2

7

5

_

D

C

S

R

X

_

G

S

M

_

P

C

S

4

7

RX275_DPCS
TX_275
TX275_GSM
TX275_DPCS
TX_DCS

+6-8dBm

R336

+6bB

Q330

C

B

+11,5dB

-5dB

+21dB

-0,2dB

-0,6dB

-2,5dB

-2,5dB

-2,5dB

+13 dB

+12dB

-3,5dB

-2dB

+10dB

+10dB

-5dB

+12dB

1,5V - 3,2V

1,5V - 3,2V

PCS:1850-1910MHz

EGSM: 880-915Mhz
DCS: 1710-1785MHz
PCS:1850-1910MHz

EGSM: 1325 - 1360Mhz
DCS: 1405 - 1480MHz
PCS: 1530 - 1590MHz

0db

2,75V

2,75V

EGSM: CH 37 -- 942,4Mhz

DCS: CH 700 -- 1842,8MHz

PCS: CH 661 -- 1960MHz

RX MID CHANNELS

GSM: CH 62 -- 947,4 MHz

EGSM: CH 37 -- 1342,4Mhz

DCS: CH 700 -- 1442,8MHz

PCS: CH 661 -- 1560MHz

RX VCO MID CHANNELS

GSM: CH 62 -- 1347,4 MHz

RX VCO FRQ. RANGE

EGSM: CH 37 -- 897,4Mhz

DCS: CH 700 -- 1747,8MHz

PCS: CH 661 -- 1880MHz

TX VCO MID CHANNELS

GSM: CH 62 -- 902,4MHz

TX VCO FRQ. RANGE

TX FRQ. RANGE

For description of GSM / DPCS Select Circuit
see document on: emeacs.fle.css.mot.com

R333

-2 dB

L7082 / L7089

 - BLOCK DIAGRAM - PAGE 

2

/2

Summary of Contents for L7082

Page 1: ...h L7082 L7089 Level III Service Manual L7082 Single Band 1900 MHz GSM L7089 Tri band 900 1800 1900 MHz GSM ...

Page 2: ...f Features available 7 3 2 Menu 7 3 3 Phone Book 7 3 4 Call Related Features 8 3 5 Messages 9 3 6 Phone Set Up 10 3 7 Network selection 11 3 8 Call Meters 11 3 9 Accessory set up 12 SECTION 4 DISASSEMBLY PARTS 4 1 Dissasembly Introduction 14 4 2 Recommended Tools 14 4 3 Disassembly Procedure 14 4 4 Assembly procedure 14 4 5 Exploded Parts diagram 19 4 6 Replacement parts 20 SECTION 5 SIM CARDS AND...

Page 3: ...shooting 27 6 4 Software Upgrade 30 6 5 Flexing 30 6 6 Testing on HP 8922 31 6 7 Testing IrDA Port 31 6 8 Testing on Go NoGo Tester 32 SECTION 7 ACCESSORIES 7 1 Accessory Statement 34 7 2 Mid Rate Charger Information 34 7 3 Accessory Listing 35 SECTION 8 GLOSSARY OF TERMS 8 1 List of Abbreviations 37 ...

Page 4: ...of 48 iv L7082 L7089 SECTION 1 GENERAL ...

Page 5: ...uter Software Copyrights The Motorola products described in this instruction manual may include copyrighted Motorola computer programs stored in semi conductor memories or other media Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs including the exclusive right to copy or reproduce in any form the copyrighted computer p...

Page 6: ... epidemic criteria Manufacturing to bear the costs of early life failure 1 2 3 Product Support Customers original units will be repaired but not refurbished as standard Appointed Motorola Service Hubs will perform warranty and non warranty field service for level 2 assemblies and level 3 limited PCB component The Motorola HTC centres will perform level 4 full component repairs 1 2 4 Customer Suppo...

Page 7: ...cording to installation instructions for safe operation Users are advised to turn off their equipment when at a refueling point Safety is every driver s responsibility Cellular telephones should only be used in situations in which the driver considers it safe to do so 1 3 3 General DO NOT allow children to play with any radio equipment containing a transmitter DO NOT operate this equipment near el...

Page 8: ...of 48 1 L7082 L7089 SECTION 2 L7082 L7089 DESCRIPTION ...

Page 9: ...85V Radio Shut Down voltage To 4 2V Max Transmit Current Typically 250 ma avg 1 0A peak Stand by Current Typically 7 0 ma DRX2 Dimensions 130mm x 46mm x 24 5mm Size Volume 105cc with Batt Weight 106g with Batt 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...

Page 10: ...to be constucted on a PC then downloaded to the L7082 L7089 to be transmtted IP Phonebook allows very easy and extremely flexible download upload of phonebook information enabling select phonebooks available to each user which can be quickly changed for example when travelling to different areas The last 10 calls made and received can also be downloaded allowing databases to be created The L7082 L...

Page 11: ...use a particular group of mobile units e g In the circumstance where a manager of a field service team only wants the team to be able to call other users within his team or CUG Phase 2 USSD Unstructured Supplementary Services Data This is an application whereby pressing a certain key or combination of keys whilst in idle mode ie not in a call can access certain network functions such as helplines ...

Page 12: ...attery type 105 115 106 120 150 210 75 125 600mAh Li Ion 115 138 126 138 240 330 130 200 1000mAh Li 105 115 95 105 60 90 70 90 290mAh Li Polymer 115 138 136 145 150 240 100 200 600mAh NM AAA 130 155 155 165 480 660 260 410 2200mAh Li 14 1 Charger Socket Pin Layout 1 GND 2 SW_RF 3 GND 4 BATT_FDBK 5 MAN_TEST_AD 6 RS232_TX 7 RS232_RX 8 CHG_EN 9 ON_2 10 GND 11 DSC_IN 12 DOWNLINK 13 DSC_EN EXT B 15 GND...

Page 13: ...of 48 6 L7082 L7089 SECTION 3 FEATURE LIST ...

Page 14: ...one Memory 4 To Phone and Sim Memory Last 10 Calls 1 Last Calls made PHONE BOOK Accessory Setup Only Available with Headset or Car Kit connected 1st Generation Menu 2nd Generation Menu 3rd Generation Menu 4th Generation Menu Th Generation Menu 6th Generation Menu Phone Book Voice Dialing My phone number s Fixed dialing View fixed dial list Setup fixed Dialing Enter Pin2 1 On 2 Off 3 Edit Entry 4 A...

Page 15: ...Except home 3 All Calls 4 Off Bar Incoming Calls 1 When Roaming 2 All Calls 3 Off Change Bar password Cancel all barring Divert Voice calls Divert all Voice calls 1 On 2 Off 1 On 2 Off 1 On 2 Off Divert Fax Calls 1 On 2 Off Divert Data Calls Cancel all diverting Divert when unavailable Closed user Group Set Group ID Allow Outside Access 1 Default 2 On 3 Off 1 On 2 Off Detailed Diverting If Busy If...

Page 16: ... Outgoing Messages Go to next message Send message Edit message Delete message 1 Send message 2 Store message Cell broadcast 1 On 2 Off Message Settings 1 Voicemail Number 2 Service Centre 3 Expiry Period 4 Outgoing message type Reply to message Delete all messages Message Editor Edit Message Send message Store Message Enter Number Stored to Outgoing ...

Page 17: ...Off 3 Change SIM pin Code 1 On 2 Off Language Selection English Automatic Change SIM PIN2 Code Select phone line Ring or Vibrate 1 Ring Only 2 Vibrate Only 3 Vibrate then Ring 4 No Ring or Vibrate Battery saving mode Select Keypad tones Phone Status 1 On 2 Off 1 Normal Tones 2 Single Tones 3 No Tones 1 Status review 2 Master reset 3 Master Clear Quick Access set up 1 Assign key to feature 2 Add or...

Page 18: ...election Find New Networks CALL METERS Show Call charges 1 Show last call 2 Total for all calls 3 Credit remaining Show call timers 1 Show last call 2 Total for all calls 3 Reset all timers Set audible Call Timers Single Alert Timer Repetitive Timer 1 On 2 Off 1 On 2 Off Set in call Display 1 Show time per call 2 Show Charge per call 3 Show total Call charges 4 No in call display Call charge setti...

Page 19: ...ETUP NB THIS MENU IS ONLY AVAILABLE WITH EITHER HEADSET PLUGGED IN OR WHEN INSTALLED IN A CAR KIT Mute Car Radio Automatic Answer Automatic Handsfree Safety Timer Auxillary alert 1 ON 2 Off 1 On 2 Off 1 On 2 Off 1 On 2 Off 1 On 2 Off ...

Page 20: ...of 48 13 L7082 L7089 SECTION 4 DISASSEMBLY PARTS ...

Page 21: ... the L7082 L7089 Anti static Mat Kit 0180386A82 includes Antistatic mat 66 80387A95 Ground Cord 66 80334B36 Wrist Band 42 80385A59 Plastic Bladed Tool SLN7223A T5 Torx Driver 4 3 Disassembly Procedure The following set of diagrams will demonstrate the correct sequence and action required to disassemble the L7082 L7089 The use of the exploded diagram on pages 19 20 may be of some assistance for par...

Page 22: ...3 Press down and push SIM cover to the left then remove SIM card 4 Remove Escutcheon from rear of unit 1 Remove battery door by pressing down on clip and sliding back 2 Remove battery by pushing and lifting at the same time ...

Page 23: ...6 L7082 L7089 7 Remove the rear from the front housing 8 Levering from the side opposite the headset socket carefully prize PCB from Front Housing 5 Unscrew antenna Anti Clockwise 6 Unscrew all of the 6 screws ...

Page 24: ...82 L7089 13 Remove keypad from front housing 14 Remove flexible strip by holding the front housing facing downwards and pulling strip up 9 Remove Alert speaker from rear housing 10 Remove vibrator from rear housing ...

Page 25: ...of 48 18 L7082 L7089 15 Carefully press down on Service Indicator if it gets damaged scratched during this process replace 16 Unclip the 4 retaining catches remove the display module ...

Page 26: ...of 48 19 L7082 L7089 4 5 Exploded Parts Diagram SUG1175A Black 4 9 12 13 6 8 X6 2 3 7 11 15 1 5 10 14 16 17 ...

Page 27: ...r S8505A 2 Front Hsng Assy 0103723S01 3 Volume buttons 3803750S03 4 Lens 6103756S01 5 Rear Housing 0103722S01 6 Vibrator 0185728J01 7 Light Pipe 0185956H01 8 Screw 0309315B07 9 Keypad 3885994H01 10 K Pad Domes 4085804H01 11 Alert Spkr 5009005J07 12 Speaker 5009076E20 13 Mic Grommet 5085600J01 14 Display Module 0185756G01 15 Battery RTC 6003710K08 16 Batt Door cover SHN7094A 17 Antenna 8509397T01 ...

Page 28: ...of 48 21 L7082 L7089 SECTION 5 SIM CARDS AND SECURITY ...

Page 29: ...s etc All information required by the network provider to provide use to the network 5 3 Personality Transfer 5 3 1 Introduction Personality Transfers are required when a phone is Express Exchanged or when the main board is replaced The reason for personality transfers are to reproduce the customer s original personalized details such as menu and stored memory such as phone books etc or even just ...

Page 30: ...ansfer data on to Clone card 5 3 3 Master SIM Card Creation 1 Insert transfer card into a unit with the desired setup Pwr on and wait till unit displays Clone 2 Enter 024 to copy unit personality onto card Please wait will be displayed 3 Master Transfer card is created 5 3 4 Master Transfer 1 Insert Master Transfer Card explained above into replacement unit Pwr on and wait till unit displays Clone...

Page 31: ...Initiate acoustic loopback 37 Stop test 38 Activate Mini SIM 39 Deactivate Mini SIM 43x Change audio path 47x Set audio volume 51 Enable sidetone 52 Disable sidetone 57 Initialize non volatile memory 58 Display security code 58xxxxxx Modify security code 59 Display lock code 59xxx Modify lock code 60 Display IMEI 99 Display all display pixels 15XX 36XX 90 Vibrator 0 or Omitted Full Rate 91 Ringer ...

Page 32: ...ion of the make up of this number Figure 5 3 IMEI label breakdown Some other label number configurations that will be present will be XCVR NUMBER Identifies type of product i e L7082 L7089 Usually SWF number PACKAGE NUMBER Determines type of equipment mode in which it was shipped and language with which it was shipped Due to the shortage of space on the label the IMEI and MSN barcodes were removed...

Page 33: ...of 48 26 L7082 L7089 SECTION 6 REPAIR AND TEST PROCEDURES ...

Page 34: ...ent PCB available Also a personality transfer would be necessary 6 2 Mechanical repairs Assembly replacement level troubleshooting and repair of the L7082 L7089 is limited to isolation and replacement of the main mechanical parts only See Exploded parts diagram and associated parts list p19 p20 6 3 Basic Modular Troubleshooting The troubleshooting information in Table 2 shows some typical malfunct...

Page 35: ...that the fault has been cleared If the fault has not been cleared then 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 d...

Page 36: ...r from front housing and insert known good speaker Place a call and verify improvement in earpiece audio If better reassemble the phone with the good speaker If it was no better then proceed to c c Antenna assembly is defective Attempt a re phasing of the unit and recheck the symptom If symptom is the same but unit re phases correctly check to make sure the antenna connector is correctly soldered ...

Page 37: ...t fault proceed to b b Faulty Jack Socket Defective PCB 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 11 No IrDA Connection a Alignment of handset IrDA device Ensure unit is no more than 25cm away from the IrDA device that will be talked to also ensure as good as alignment as possible If still no connection proc...

Page 38: ...A port should be less than 30cm and although accurate alignment is not neccesary the two should be lined up as well as possible Note Software is required for both the L7082 L7089 IrDA link and also the host IrDA port A CD Rom will be shipped with the unit to enable data transfer the drivers for the host IrDA device should be supplied with the device For testing all we are looking for is the discov...

Page 39: ...set up as per GSM specifications The test incorporates the basic live call during which many of the RF parameters are checked This test can be ran in Autotest mode where the radio is classified at the end of the test as a Pass or Fail This can be used to indicate whether or not a unit is performing to spec through the Butt Plug only ...

Page 40: ...of 48 33 L7082 L7089 SECTION 7 ACCESSORIES ...

Page 41: ...o the plastic belt clip Cigarette Lighter Adapter Same as StarTAC SYN4241 Professional Install Digital Hands free Car Kit Includes new mini hang up cup Easy one handed insertion Data cable with level translators Allows full data and fax functionality without PC Card Range of Batteries 600 mAh LiIon 1100 mAh LiIon Additional battery options available in the future 7 2 Mid rate Charger Information T...

Page 42: ...8 Doors SHN7094 Door Slim Blk Core L7089 At Launch Li Poly LSQ6 SHN7239 Door Slim Galaxy Grey Core L7089 At Launch Li Poly LSQ6 SHN7240 Door Slim Sea Blue Core L7089 At Launch Li Poly LSQ6 SHN7905 Door Large Blk Core L7089 At Launch LSQ8 AAA Std SHN7241 Door Large Galaxy Grey Core L7089 At Launch LSQ8 AAA Std SHN7242 Door Large Sea Blue Core L7089 At Launch LSQ8 AAA Std HeadSet SYN6962 HeadSet w m...

Page 43: ...of 48 36 L7082 L7089 SECTION 8 GLOSSARY OF TERMS ...

Page 44: ... Transceiver Station BTS Color Code BCCH Broadcast Control Channel BCD Binary Coded Decimal BGA Ball Grid Array 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 ...

Page 45: ...EC Echo Canceller Ec No Ratio of energy per modulating bit to the noise spectral density EGSM Extended 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 As...

Page 46: ...ss Procedure DM mobile D channel Lm Traffic channel with capacity lower than Bm LPC Linear Predictive Code LR Location 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 t...

Page 47: ...witched Telephone PTO Public Telecommunications Operator QOS Quality 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 Prot...

Page 48: ...rate speech TCH TCH HS 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 USSD Unstructured Su...

Page 49: ...L7082 L7089 RF SCHEMATICS ...

Page 50: ...L7082 L7089 AL SCHEMATICS ...

Page 51: ... 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 DSC_EN 13 12 11 UPLINK DOWNLINK GND GND GND MAGIC_13MHz GCLK CLK RESET SIM_I O ...

Page 52: ... FILTER from WhiteCap to WhiteCap from WhiteCap 925 960MHz EGSM 880 915Mhz DCS 1710 1785MHz 1805 1990MHz FILTERED_ 5V DCS_SEL 13MHz VCO CR248 PHASE DET 13MHz Divider 200KHz Pin2 FL2400 5 1 3 5 U400 1930 1990MHz RVCO_DCS RVCO_PCS 6 4 RX275_GSM STEP ATT DEMODULATION SPI RX F7 G9 G8 RXI RXQ J6 MUX G6 PA CONTROL A9 D9 PLL SWITCH H7 C8 C1 SUPER FILTER J1 B3 Divider C4 GSM_SEL PCS_SEL Q100 1 3 4 RF_V2 2...

Page 53: ...L7082 L7089 BOARD LAYOUT PAGE 1 2 ...

Page 54: ...L7082 L7089 BOARD LAYOUT PAGE 2 2 ...

Page 55: ...NNA SIGNAL FILTERED GSM RX ANTENNA SIGNAL UNFILTERED IF 400MHz AMPLIFIED IF 400MHz RX SPEAKER LINE RX SPEAKER LINE TX MIC LINE TX VCO SIGNAL FILTERED PA OUTPUT SIGNAL PA DETECT LINE PA TUNING VOLTAGE PA TUNING VOLTAGE RX LOCAL OSC TUNING VOLTAGE RX LOCAL OSC 800MHz A B C D E F G H I J K L J600 EXT CONN 1 NC 2 SW_RF 3 GND 4 BATT_FDBK 5 MAN_TEST_AD 6 RS232_TX 7 RS232_RX 8 RX_CHRG_EN 9 ON_2 10 GND 11...

Page 56: ...L7082 L7089 CONNECTOR SCHEMATICS ...

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