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LG LG-ID3100, Service Manual

The LG LG-ID3100 Service Manual is a reliable and comprehensive resource for users seeking guidance and support. It can be easily accessed and downloaded for free from our website, offering step-by-step instructions and valuable insights on operating and maintaining the LG LG-ID3100 device.

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LGE Proprietary

LG<41>-A-2011.0

LGE

Duplication of this document and the use or communication of the contents thereof are forbidden without express authority. Offenders are punishable and liable to the payment of damages. All rights are reserved in the event of the grant of a patent or the registration of a utility model.

C432

33p

C402

100p

C403

100p

C405

100p

C407

33p

C408

33p

C409

33p

C412

33p

C425

100p

C426

33p

C427

100p

C428

33p

C429

33p

C430

33p

C431

33p

C401

33p

C433

100p

C435

33p

C436

33p

C437

33p

C438

33p

C439

33p

C424

1n

C421

33p

C420

100p

C418

33p

C417

33p

C416

100p

C415

33p

C414

100p

C443

33p

R412

100p

C404

100p

R418

33p

C423

100p

R419

0.1u

R434

0.1u

R432

0.1u

PWR_ON_SW/

V_CHAR

+VPWR

AUX_PCM_DIN/

LED1

KEY_SENSE[3]

KYPD[11]

KEY_SENSE[1]

KYPD[9]

HFSO/

AUX_PCM_SYNC

V_CHAR

LT_DETECT/

KYPD[13]

KYPD[17]

KEY_SENSE[0]

BATT_DET/

KEY_SENSE[4]

LED2

LCD_ID

KEY_SENSE[2]

+VPWR

KYPD[15]

A

B

C

LCD_FLM

DC_PWR_SEN/

D

R429

100

R402

100

R405

100

R406

470

R407

100

R408

100

R409

100

R410

470

R414

470

R415

470

R416

100

R417

100

R420

100

R421

470

R425

10k

R426

22k

R427

330

R428

330

R401

470

R430

100

R431

470

R433

100

R435

100

R438

100

R441

470

R442

470

R443

100

R445

100

R447

100

R449

100

R450

470

R451

100

R452

100

R453

470

R454

100

R461

0

R463

100

R473

220k

SW417

1

1

2

SW419

2

1

2

SW412

3

1

2

SW405

SEARCH

1

2

SW401

4

1

2

SW410

5

1

2

SW414

6

1

2

SW404

SEND

1

2

SW413

7

1

2

SW420

8

1

2

SW416

9

1

2

SW409

MENU

1

2

SW403

*

1

2

SW415

0

1

2

SW411

#

1

2

SW406

DOWN

1

2

SW408

UP

1

2

SW407

LEFT

1

2

SW422

RIGHT

1

2

SW418

OK

1

2

+2.6V_MSMP

+2.6V_MSMP

D[3]

D[6]

D[12]

AUX_PCM_CLK

+2.6V_MSMP

D[5]

MSM_DP_TXD

+2.6V_MSMP

D[1]

D[8]

D[10]

D[2]

AUX_PCM_DOUT

LCD_LIGHT

D[9]

D[13]

D[7]

D[11]

A[21]

D[15]

MSM_DP_RXD

D[0]

WE/

LCD_RESET/

D[4]

D[14]

LCD_CS/

+2.9V_MSM_E2

+2.6V_MSMP

B

A

C

+2.6V_MSMP

+1.8V_MSM_E1

D

HSBC-2P-65

CON401

1

2

HSBC-2P-65

CON402

1

2

KRC404E

Q403

2

B

3

C

1

E

KRC404E

Q401

2

B

3

C

1

E

KRC404E

Q405

2

B

3

C

1

E

R437

ICVL0505101V150FR

C419

ICVL0505101V150FR

R475

ICVL0505101V150FR

TP402

GT05C-24P-P1000

CON404

1

BATT_ID

2

HF_MODE

3

DSR

4

POWER1

5

POWER2

6

ON_SW

7

AUDIO_IN

8

PCM_CLK

9

PCM_SYNC

10

USB_RX

11

AUDIO_OUT

12

GND1

13

RXD

14

TXD

15

USB_TX

16

USB_POWER

17

DCD

18

R1

19

GND2

20

RER_RTS

21

POWER3

22

POWER4

23

CTS

24

DTR

25

V_CHAR

26

G_DUMMY1

27

G_DUMMY2

28

G_DUMMY3

29

G_DUMMY4

R460

DNI

1005

R404

DNI

1005

R436

DNI

1005

R423

DNI 1005

R440

DNI

1005

R403

DNI

1005

R411

DNI

1005

R444

DNI

1005

R476

DNI

R413

DNI

1005

R446

DNI

1005

KEY-DROP

U474

1

S

2

G

KEY-DROP

U414

1

S

2

G

KEY-DROP

U438

1

S

2

G

KEY-DROP

U437

1

S

2

G

KEY-DROP

U475

1

S

2

G

KEY-DROP

U428

1

S

2

G

KEY-DROP

U421

1

S

2

G

KEY-DROP

U454

1

S

2

G

KEY-DROP

U473

1

S

2

G

KEY-DROP

U412

1

S

2

G

KEY-DROP

U459

1

S

2

G

KEY-DROP

U418

1

S

2

G

KEY-DROP

U457

1

S

2

G

KEY-DROP

U419

1

S

2

G

KEY-DROP

U427

1

S

2

G

KEY-DROP

U434

1

S

2

G

KEY-DROP

U426

1

S

2

G

KEY-DROP

U470

1

S

2

G

KEY-DROP

U436

1

S

2

G

KEY-DROP

U477

1

S

2

G

KEY-DROP

U476

1

S

2

G

KEY-DROP

U478

1

S

2

G

KEY-DROP

U420

1

S

2

G

KEY-DROP

U461

1

S

2

G

KEY-DROP

U466

1

S

2

G

KEY-DROP

U410

1

S

2

G

KEY-DROP

U458

1

S

2

G

KEY-DROP

U425

1

S

2

G

KEY-DROP

U409

1

S

2

G

KEY-DROP

U450

1

S

2

G

KEY-DROP

U430

1

S

2

G

KEY-DROP

U403

1

S

2

G

KEY-DROP

U460

1

S

2

G

KEY-DROP

U422

1

S

2

G

KEY-DROP

U435

1

S

2

G

KEY-DROP

U429

1

S

2

G

KEY-DROP

U445

1

S

2

G

KEY-DROP

U467

1

S

2

G

KEY-DROP

U413

1

S

2

G

KEY-DROP

U469

1

S

2

G

KEY-DROP

U465

1

S

2

G

KEY-DROP

U417

1

S

2

G

KEY-DROP

U449

1

S

2

G

KEY-DROP

U433

1

S

2

G

KEY-DROP

U462

1

S

2

G

KEY-DROP

U411

1

S

2

G

KEY-DROP

U468

1

S

2

G

KEY-DROP

U443

1

S

2

G

KEY-DROP

U479

1

S

2

G

KEY-DROP

U480

1

S

2

G

KEY-DROP

U481

1

S

2

G

KEY-DROP

U482

1

S

2

G

KEY-DROP

U483

1

S

2

G

KEY-DROP

U484

1

S

2

G

KEY-DROP

U485

1

S

2

G

KEY-DROP

U486

1

S

2

G

KEY-DROP

U488

1

S

2

G

KEY-DROP

U489

1

S

2

G

KEY-DROP

U490

1

S

2

G

KEY-DROP

U491

1

S

2

G

KEY-DROP

U492

1

S

2

G

KEY-DROP

U493

1

S

2

G

KEY-DROP

U494

1

S

2

G

KEY-DROP

U495

1

S

2

G

KEY-DROP

U496

1

S

2

G

KEY-DROP

U497

1

S

2

G

KEY-DROP

U498

1

S

2

G

KEY-DROP

U499

1

S

2

G

KEY-DROP

U451

1

S

2

G

KEY-DROP

U452

1

S

2

G

KEY-DROP

U453

1

S

2

G

KEY-DROP

U487

1

S

2

G

KEY-DROP

U463

1

S

2

G

KEY-DROP

U464

1

S

2

G

KEY-DROP

U471

1

S

2

G

KEY-DROP

U472

1

S

2

G

C406

DNI

1005

C434

DNI

1005

C422

DNI

1005

C413

DNI

1005

C444

DNI

KTC4075E-DNI

Q402

1 E

3 C

2
B

33u-10V

TCSHS1A336MAAR

C410

04-6293-035-000-829+

CON406

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

SDB1040

D403

1

2

SDB0530

D402

1

2

SD05-DNI

D401

DNI

1

-

2

+

SW402

1

2

C445

33u-10V

1

+

2

-

R477

0

 T.H.KIM

Rev.12

4 OF 4

2006.04.10

DC JACK
 INPUT

<POWER ON/OFF SWITCH>

<MAIN KEY>

<LCD CONNECTOR>

<RECEPTACLE with DC JACK>

LG-RD3000/RD3100 MAIN

<KYPD KEY-DROP>

H.T.KIM

DNI

Rev.12

R477 o ohm INSERT

DNI

ID3100 4/4

54/57

LGE Internal Use Only

Summary of Contents for LG-ID3100

Page 1: ...ng the key board channel 5 Voltage and Current Value of Termination Part Amplifier Catalogue included Mode Type Name Voltage Current Power CDMA SKY77162 3 4V 455mA 0 282W 6 Functions of Major Semi Conductors Classification Function QSC6010 MSM baseband radioOne RF and power management MCP PF38F2040W0YBQ0 Flash Memory 64Mbit Storing of the mobile station operation program MCP PF38F2040W0YBQ0 PSRAM ...

Page 2: ...CDMA MOBILE SUBSCRIBER UNIT LG ID3100 SINGLE BAND CDMA MOBILE PHONE SERVICE MANUAL ...

Page 3: ...MA Mobile Phone 5 3 Structure and Functions of CDMA Mobile Phone 8 4 Specification 9 5 Installation 12 CHAPTER 2 Circuit Description 1 RF Transmit Receive Part 13 2 Digital Voice Processing Part 17 CHAPTER 3 Trouble Shoot 3 1 RX part Trouble 21 3 2 TX part Trouble 24 3 3 Logic part Trouble 28 Appendix Block Diagram Circuit Diagram Component Layout Total Assy ...

Page 4: ...nto this phone to reduce the call being interrupted in a middle of talking over phone CDMA digital cellular network consists of MSC Mobile Switching Office BSC Base Station Controller BTS Base station Transmission System and MS Mobile Station Communication between MS and BTS is designed to meet the specification of TIA EIA IS 95 A B C Common Air Interface MS meets the specifications of the below T...

Page 5: ...The analog cellular systems are classified further into an AMPS system E AMPS System NMT system ETACS system and JTACS system depending on technologies used Unlike the Time Division Multiple Access TDMA or the Frequency Division Multiple Access FDMA used in the band limited environment the Code Division Multiple Access CDMA system which is one of digital cellular systems is a multi access technolo...

Page 6: ...CDMA signals are overlapped Among these types of signals only desired signal energy is selected and received through the use of pre determined binary sequence desired signals can be separated and then received with the correlator used for recovering the spectrum into its original state At this time the spectrums of other signals that have different codes are not recovered into its original state a...

Page 7: ...on to mobile stations and backward from the mobile station to the base station power control in order to increase the call processing capacity and obtain high quality calls In case the originating signals of mobile stations are received by the cell site in the minimum call quality level signal to interference through the use of transmit power control on all the mobile stations the system capacity ...

Page 8: ... use depending on inputted automatic conditions and message data both of them utilize four stage frames of 9600 4800 2400 and 1200 bits per second In addition this type of variable voice encoder utilizes adaptive threshold values when selecting required data rate It is adjusted in accordance with the size of background noise and the data rate is increased to high rate only when the voice of caller...

Page 9: ...e about 65 In the case of directional cell site one cell normally uses a 120 sector antenna in order to divide the sector into three In this case each antenna is used only for 1 3 of mobile stations in the cell site and accordingly interference is reduced by 1 3 on the average and the capacity that can be supported by the entire system is increased by three times 2 7 Soft Capacity The subscriber c...

Page 10: ...the operation with one cell site the searcher searches out multi paths in accordance with terrain and building reflections On three data receivers the most powerful four paths are allocated for the parallel tracing and receiving Fading resistance can be improved a great deal by obtaining the diversity combined output for de modulation Moreover the searcher can be used to determine the most powerfu...

Page 11: ...1 5 Operating Temperature 30 60 4 1 6 Frequency Stability 0 5PPM 4 1 7 Antenna Fixed PIFA Type Internal 50 Ω 4 1 8 Size and Weight Size 105 7 x 44 x 16 5mm L x W x D Weight 70g TBD 4 1 9 Channel Spacing 1 25MHz 4 1 10 Battery Type Capacity and Orerating Time Unit Hours Minutes Standard 950mAh Stand By Time 140 Hrs SCI 2 Talk Time 145 Min Cell power 92dBm 4 2 Receive Specification 4 2 1 Frequency R...

Page 12: ...2 6 dB 102 4dB at the 1 23MHz band 4 3 Transmit Specification 4 3 1 Frequency Range 824 820 MHz 848 190 MHz 4 3 2 Intermediate Frequency QSC60X0 seires Zero IF 4 3 3 Output Power 0 282W 4 3 4 Interference Rejection Single Tone 30dBm at 900 kHz Two Tone 43dBm at 900 kHz 1700kHz 4 3 5 CDMA TX Frequency Deviation 300Hz or less 4 3 6 CDMA TX Conducted Spurious Emissions 900kHz 42 dBc 30kHz below 1 98M...

Page 13: ...40 810 MHz 842 04 MHz 843 270 MHz 844 500 MHz 845 910 MHz 847 140 MHz 848 370 MHz 4 5 MS Mobile Station Receiver Frequency FA NO CH NO CENTER FREQUENCY FA NO CH NO CENTER FREQUENCY 1 2 3 4 5 6 7 8 9 10 1011 29 70 111 152 193 234 275 316 363 869 640 MHz 870 870 MHz 872 100 MHz 873 330 MHz 874 560 MHz 875 790 MHz 877 020 MHz 878 250 MHz 879 480 MHz 880 890 MHz 11 12 13 14 15 16 17 18 19 20 404 445 4...

Page 14: ...ng charged Green light indicates battry is fully charged 5 3 For Mobile Mount 5 3 1 Installation Position In order to reduce echo sound when using the Hands Free Kit make sure that the speaker and microphone are not facing each other and keep microphone a generous distance from the speaker 5 3 2 Cable Connections 5 3 2 1 Power and Ignition Cables Connect the red wire to the car battery positive te...

Page 15: ...and signals created are changed into digital signals by the analog digital converter ADC A D Converter and then auto gain controlled and are demodulated by the modulator demodulator In the case of transmission QSC6010 modulates interpolates and converts the digital signal into an analog baseband before upconverts the Tx analog baseband into RF The baseband quadrature signals are upconverted to the...

Page 16: ... Receive Part Circuit 1 2 1 Duplexer DP101 The duplexer consists of the receive part bandpass filter BPF and the transmit part bandpass filter BPF which have the function of separating transmit receive signals in the full duplex system using the transmit receive common antenna The transmit part BPF is used to suppress noises and spurious waves entering the receive band among transmit signals in or...

Page 17: ...nverts the digital signal into an analog baseband and upconverts the Tx analog baseband into RF The QSC6010 communicates with the external RF and analog baseband to control signal gain in the RF Rx and Tx signal paths educe base band offset errors and tune the system frequency reference The QSC6010 baseband to RF Transmit Processor performs all Tx signal processing functions required between digit...

Page 18: ...integrated onto one IC after going through the GaAs HBT heterojunction bipolar transistor process The module of power amplifier is made up of an output end interface circuit including this module The maximum power that can be inputted through the input terminal is 8dBm and conversion gain is about 28 5dB RF transmit signals that have been amplified through the power amplifier are sent to the duple...

Page 19: ... on to the screen and a receptacle that receives and sends out voice and data with external sources 2 2 2 Voice Processing Part The voice processing part is made up of an audio codec in QSC6010 used to convert MIC signals into digital voice signals and other external MIDI Synthesizer used to convert digital voice signals into analog voice signals amplifying parts for amplifying the voice signals a...

Page 20: ...baseband function reduces part costs by using two external bus interfaces to support next generation memory architectures such as NAND FLASH SRAM and pseudo SRAM PSRAM page and burst mode NOR or MLC NOR FLASH The EBI2 also serves as an enhanced LCD interface A variety of connectivity options are supported the keypad interface and USB UART and RUIM ports are available A camera interface is provided...

Page 21: ...ists of a 64Mbits Flash Memory and a 32Mbits SRAM On the Flash Memory there are programs used for the operation of a mobile station and the non volatile data of the mobile station such as a ESN Electronic Serial Number are stored The programs can be changed through down loading after the assembling of mobile stations On the SRAM data generated during the operation of a mobile station are stored te...

Page 22: ...nternal data bus It has a high performance and low power consumption FLASH ROM and SRAM Flash Memory is used to store the program of the mobile station Using the down loading program the program can be changed even after the mobile station is fully assembled SRAM is used to store the internal flag information call processing data and timer data KEYPAD For key recognition key matrix is setup using ...

Page 23: ...LG ID3100 LGE LG Electronics Inc When Rx Sensitivity isn t good enough Test Point 3 1 Rx Part Trouble CHAPTER 3 Trouble Shooting CHAPTER 3 Trouble Shooting TP1 TP2 TP3 21 57 LGE Internal Use Only ...

Page 24: ...LG ID3100 LGE LG Electronics Inc Circuit Diagram TP1 TP2 TP3 22 57 LGE Internal Use Only ...

Page 25: ... Setup CH 610 1 Check RF cable Loss 2 Check RF path Circuit connection 3 Check TP1 U101 TP2 DP101 TP3 F101 Checking Flow NG Change RF cable or re set loss NG Re work or replace them NG Replace them Download S W Calibrate Replace QSC6010 or main board NG 23 57 LGE Internal Use Only ...

Page 26: ...Press H W or F7 then click offline d Click Band select to cdma Tx on Power Amp On Set channel to 610 AGC 400 Spectrum analyzer setting Oscilloscope setting 1 Check PAM Circuit 2 Check Duplexer Mobile SW Circuit 3 Check QSC6010 circuit Redownload SW CAL Duplexer PAM Mobile S W QSC6010 TX filter 24 57 LGE Internal Use Only ...

Page 27: ...LG ID3100 LGE LG Electronics Inc 3 2 1 Check PAM Circuit Test Point Circuit Diagram TP2 Vref 2 85V TP5 RF_OUT TP3 TP4 Vcc1 2 TP1 RF_IN TP1 TP2 TP3 TP4 TP5 25 57 LGE Internal Use Only ...

Page 28: ...Pin2 RF_IN YES Check U102 TP2 Pin4 V_ref Check F110 circuit Check Q101 circuit NO Level is 3 2V 4 2V OK YES Check U102 TP3 TP4 Pin1 8 VCC1 2 Check C203 U201 NO Output Level is Appear YES Check U102 TP5 Pin7 RF_OUT Replace U102 Waveform U102 Pin2 DCN PAM_IN U102 Pin7 DCN PAM_OUT SPECTRUM ANALYZER CONDITION RBW 1MHz VBW 1KHz Span 60MHz Frequency DCN 836 52MHz 26 57 LGE Internal Use Only ...

Page 29: ...NT Circuit Flow Level is Appear YES NO Level is Appear NO Replace QSC6010 Check DP101 Pin6 DUP_OUT YES Replace DP101 Replace U101 Check U101 Pin1 DP101 Mobile S W DP101 TP1 PIN6 DP_out U101 TP2 PIN1 Mobile S W in Circuit Diagram TP1 PIN6 TP2 PIN1 27 57 LGE Internal Use Only ...

Page 30: ...it diagram 3 3 1 Power On Trouble TP3 R217 2 6V_MSMP TP4 R244 2 65V_MSMA TP2 R224 1 2V_MSMC TP1 R404 PWR_ON_SW U201 QSC6010 3 3 Logic Part Trouble TP6 C255 2 6V_RX TP7 C225 2 6V_TX TP5 R236 2 85V_TCXO Circuit Diagram TP1 TP2 TP3 TP7 TP6 TP5 TP4 28 57 LGE Internal Use Only ...

Page 31: ...y again Replace U201 Re download Software Check the contact of power key or dome switch Push power on key and check the level change of TP1 R404 Check the voltage of the following port at U201 TP2 1 2V_MSMC TP3 2 6V_MSMP TP4 2 65V_MSMA TP6 2 85V_TCXO TP6 2 6V_RX TP7 2 6V_TX YES YES NO NO YES 29 57 LGE Internal Use Only ...

Page 32: ...LG ID3100 LGE LG Electronics Inc 3 3 2 Charging Trouble Test Points Circuit Diagram TP2 U201 QSC6010 Figure 3 3 2 Charging PART TP1 CON404 TP1 CON404 TP2 U201 TP3 30 57 LGE Internal Use Only ...

Page 33: ...O Re solder or replace TP1 CON404 The charging adaptor TA is out of order Change the charging adaptor Voltage at TP3 Pin25 V_CHAR of TP1 CON404 5V YES NO YES Is the battery charged NO The battery may have the problem Change the battery and try again Charging will operate properly YES YES Check TP2 U201 circuit Replace TP2 U201 or mainboard NG 31 57 LGE Internal Use Only ...

Page 34: ...LGE LG Electronics Inc 3 3 3 Audio AMP Trouble Test Points Figure 3 3 3 RECEIVER PART Circuit Diagram U309 TP1 QSC_AMP_OUT TP3 COM_SPK U308 TP2 QSC_AMP_OUT TP4 COM_SPK TP1 TP2 TP3 TP4 32 57 LGE Internal Use Only ...

Page 35: ...ers at Sounds menu Check the contact of speaker or Replace the speaker Replace U201 QSC6010 or board NO Yes Yes Check the signal level at TP3 TP4 of U308 U309 Re soldering or Replace the U308 U309 Speaker will work properly Yes NO Check the signal TP1 TP2 of U308 U309 33 57 LGE Internal Use Only ...

Page 36: ...LG ID3100 LGE LG Electronics Inc Test points Circuit Diagram 3 3 6 MIC Trouble U302 MIC R326 TP3 C321 U201 QSC6010 TP1 TP2 MIC TP3 TP1 TP2 MIC 34 57 LGE Internal Use Only ...

Page 37: ...e Check Check the soldering Of R326 Re solder R326 Replace U201 QSC6010 Check the signal level at TP2 of U302 MIC Is It a few tens mV AC Replace the U302 MIC Check the soldering of TP3 C321 Re solder TP3 C321 MIC will work properly Yes Yes Yes No No No No Yes Does MIC work Properly Replace U201 QSC6010 No Yes 35 57 LGE Internal Use Only ...

Page 38: ... Test points Checking Flow SETTING Vibrator on at Sounds of test menu START Replace U201 QSC6010 or board No NG Yes OK Check the state of Contact of Vibrator Re contact vibrator Check the solder of TP1 TP2 Replace Vibrator Does Vibrator work Properly Yes No Re solder or replace them TP1 D301 TP2 C324 TP1 TP2 36 57 LGE Internal Use Only ...

Page 39: ...3 3 8 Key Backlight LED Trouble Test Points Figure 3 3 8 KEYPAD BACK LIGHT PART Figure 3 3 8 KEYPAD Back Light Circuit Circuit Diagram TP6 TP2 TP1 TP5 TP7 TP8 TP4 TP3 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP9 37 57 LGE Internal Use Only ...

Page 40: ... TP8 3 2 4 2V Check LEDs directions Charge or Change Battery and try again Check the soldering of each Resister or Replace them Re solder or replace LEDs NG No NG OK Yes OK BACKLIGHT WILL WORK PROPERLY Check the signal level at TP9 KYPD_EN high Replace U201 QSC6010 No Yes 38 57 LGE Internal Use Only ...

Page 41: ...ctronics Inc 3 3 9 Earphone Trouble Test Points Circuit Diagram CON301 U311 TP7 TP6 TP9 R393 TP8 R392 TP1 TP1 TP2 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP11 TP10 TP10 TP11 TP12 TP13 TP12 TP13 TP3 TP4 39 57 LGE Internal Use Only ...

Page 42: ...ain No No Yes Yes Set the audio part of the test equipment to echo mode Earphone detect problem Audio path problem Can you hear your voice from the earphone Change Earphone Set the audio part of the test equipment to continuous wave mode Earphone receiving Path problem Can you hear the sound from the earphone Earphone sending path problem 1 4 2 3 Yes No Yes No Yes Yes Yes Yes SETTING After initial...

Page 43: ...heck soldering the CON301 Re solder or replace CON301 No Yes Change the earphone and then insert to the handset Does the audio Profile of the phone change to the earphone mode Re download software Yes No Does it work well 4 Replace QSC6010 Yes No 4 Change the main board or QSC6010 41 57 LGE Internal Use Only ...

Page 44: ... is About a few tens or hundreds mVAC Re solder TP3 TP4 Re solder TP5 C279 Does it work well Re download software Does it work well 4 Replace QSC No No Yes Yes Yes Yes No No Change main board Check the condition of U311 If problem replace the U311 Level of TP10 and 11 of U311 is Low High FM Mode Yes No Re download S W Signwave appear at TP12 and 13 of CON301 Check the receiving path from U311 to C...

Page 45: ...LG ID3100 LGE LG Electronics Inc 3 3 10 LCD Trouble Test Points Circuit Diagram CON406 U303 Pin1 Pin35 Pin2 Pin1 TP1 TP2 TP3 TP2 TP1 TP3 43 57 LGE Internal Use Only ...

Page 46: ...K Re soldering or Replace R405 R476 No Does R405 R476 LCD connection Work Properly Change the Main Board Yes Check the Control signal D 0 15 LCD_RESET LCD_ID LCD_CS LCD_LIGHT Check the CON406 Soldering No Re Soldering CON406 Change the LCD Module Yes Check the LCD FPCB connection Re connect LCD FPCB NG OK 44 57 LGE Internal Use Only ...

Page 47: ...k Light START Check the TP2 of U303 VPWR Does U303 work Properly No Yes Check replace QSC Yes No Re Soldering or Replace U303 Check the signal level at TP3 LCD_BACK_EN high Replace QSC No Yes LCD backlight will work properly 45 57 LGE Internal Use Only ...

Page 48: ...LG ID3100 LGE LG Electronics Inc Test Points Circuit Diagram 3 3 11 UIM Trouble TP1 CON302 U201 QSC6010 TP2 TP3 TP4 TP5 TP2 TP3 TP4 TP5 TP1 46 57 LGE Internal Use Only ...

Page 49: ...LG ID3100 LGE LG Electronics Inc Checking Flow TP1 TP1 TP2 TP3 TP4 TP5 47 57 LGE Internal Use Only ...

Page 50: ...cs Inc Test Points 3 3 12 FM Radio Trouble Circuit Diagram Frequency Generator Circuit FM Receiver Circuit FM AMP Circuit X101 TP2 TP1 TP4 R138 TP3 R139 U104 TP6 Pin1 Q102 TP5 TP2 TP1 TP4 TP3 TP6 TP5 48 57 LGE Internal Use Only ...

Page 51: ...2 768kHz Check the condition of Q102 and external component Replace X101 Audio signal appear at TP3 TP4 Check the FM Receiver circuit input voltage soldering If problem replace the defected component Audio signal appear at TP5 and TP6 of U104 Check the FM AMP circuit If problem replace the defected component Refer to Earphone Trouble part Yes No Yes Yes Yes No No No Graph 1 FM Radio Clock 49 57 LG...

Page 52: ...Block I F MIC EAR Output Voltage Reguration Connectivity UIM UART Quadrature Upconverter Quadrature Downconverter LNA RF Block BPF QSC6010 SKY77162 U102 EFSD836MF1S2 DP101 TX IL 1 5 2 3 dB RX IL 2 3 3 5 dB V ref 2 85V B9426 F110 IL 1 5 2 3 dB EFCH881MTCA7 F103 IL 1 5 2 0 dB RF500 U101 Mobile S W IL 0 4 0 5dB ID3100 Block Diagram DUP General Housekeeping FM Receiver AMP ANT Headset 50 57 LGE Intern...

Page 53: ...CC2 9 G_DUMMY B9426 F110 1 OUT 2 G1 3 IN 4 IN 5 G2 L111 8 2n L104 6 8n L112 100n L114 22n L102 2 2n L116 2 2n L110 82n L109 82n L106 10n L103 3 3n L117 4 7n C156 12n EFSD836MF1S2 DP101 1 RX 2 GND1 3 TX 4 GND2 5 GND3 6 ANT 7 GND4 8 GND5 9 GND6 10u 10V SYF 1A106MZF RP C121 RF500 U101 1 IN ANT 2 OUT DUP 3 4 SI4702 B16 U103 NC1 1 FMIP 2 RFGND 3 GND1 4 RST 5 SEN 6 SCLK 7 SDIO 8 RCLK 9 VIO 10 VD 11 GND2...

Page 54: ...8 W5 CAM_DATA_1 GPIO 47 V6 CAM_DATA_0 GPIO 46 W6 GPIO 45 V8 CAM_PCLK GPIO 42 W7 CAM_HSYNC GPIO 43 T7 CAM_VSYNC GPIO 44 W2 GPIO 35 AB3 CAM_FLASH GPIO 33 AB11 GPIO 32 V4 GP_MN GPIO 30 N5 RINGER GPIO 29 B2 GPIO 28 C2 GPIO 27 D2 GPIO 23 M5 GPIO 24 N4 GP_PDM_2 GPIO 21 P8 UART2_RX_D GPIO 20 P7 I2C_SCL GPIO 19 T2 I2C_SDA GPIO 18 E2 GPIO 14 R1 GPIO 13 AA11 UART2_TX_D UIM_DATA GPIO 11 AA12 UART2_RFR_N UIM_...

Page 55: ...T1 U303 1 D1 2 D2 3 D3 4 GND 5 VIN 6 C2 7 C2 8 VOUT 9 C1 10 C1 11 EN SET 12 NC EMS1810TPB1P U306 1 2 L305 CIM05J601NC L306 CIM05J601NC PF38F2040W0YBQ0 U301 A0 G1 A1 F1 A2 E1 A3 D1 A4 B1 A5 C1 A6 F2 A7 E2 A8 F6 A9 D7 A10 E7 A11 B8 A12 C8 A13 D8 A14 F7 A15 E8 A16 F8 A17 D2 A18 B2 A19 B3 A20 E6 A21 B7 A22 C7 A23 C3 A24 D3 A25 E3 F1_OE3 J2 F1_CE K1 F2_OE H8 F2_CE G8 F3_CE K3 DU1 M1 DU2 M2 VSS1 B4 VSS2...

Page 56: ...TR 25 V_CHAR 26 G_DUMMY1 27 G_DUMMY2 28 G_DUMMY3 29 G_DUMMY4 R460 DNI 1005 R404 DNI 1005 R436 DNI 1005 R423 DNI 1005 R440 DNI 1005 R403 DNI 1005 R411 DNI 1005 R444 DNI 1005 R476 DNI R413 DNI 1005 R446 DNI 1005 KEY DROP U474 1 S 2 G KEY DROP U414 1 S 2 G KEY DROP U438 1 S 2 G KEY DROP U437 1 S 2 G KEY DROP U475 1 S 2 G KEY DROP U428 1 S 2 G KEY DROP U421 1 S 2 G KEY DROP U454 1 S 2 G KEY DROP U473 ...

Page 57: ...57 U458 U459 C157 C158 C159 U460 U461 U462 U463 C160 U464 U465 C161 U466 C162 U467 C163 U468 U469 C166 C167 U470 U471 U472 U473 U474 U475 U476 U477 U478 U479 U480 U481 U482 U483 U484 U485 U486 U487 U488 U489 U490 U491 U492 U493 U494 U495 U496 U497 U498 U499 SW401 SW402 SW403 SW404 SW405 SW406 SW407 SW408 SW409 SW410 SW411 SW412 SW413 SW414 SW415 SW416 SW417 SW418 SW419 C315 LED305 L LED306 L R301 ...

Page 58: ...N303 C108 R339 C109 C301 C302 TP_WE C303 C110 C304 R341 C111 C305 C306 C113 C307 C115 C116 C117 C118 C119 C310 C311 TP203 C314 C120 C121 TP206 R352 C123 TP207 C124 C126 R357 R358 R359 TP402 TP403 C321 C322 C324 R360 R361 C327 R364 R365 C329 C337 C338 C339 R375 R376 R378 C340 C341 C342 C343 C344 C345 C346 C155 C156 R390 C356 R392 R393 R395 Q201 R396 R397 R398 R399 TP28 D301 Q401 Q402 Q403 Q405 L201...

Page 59: ...LGID3100 57 57 LGE Internal Use Only ...

Page 60: ...CE AC DC Adaptor for Europe WALL 2P DC PIN PLUG 6 CARD WARRANTY MCDF0001120 2 PCB NO Discription LG Part NO Q ty 1 PCB MAIN SPFY014990 3 1 3 Mechanical Part NO Description LG Part No QTY 1 TAPE PROTECTION MTAB0169201 1 2 WINDOW LCD MWAC007850 2 1 3 TAPE WINDOW MTAD0068501 1 4 COVER FRONT MCJK0070901 1 5 PAD SPEAKER MPBN0041301 1 6 SPEAKER SUSY0026601 1 7 PAD LCD MPBG0060501 1 8 TAPE PROTECTION BAC...

Page 61: ... Top Of Main PCB NO Ref No Description LG Part NO SPEC 1 C127 CAP CERAMIC CHIP ECCH0000129 120 pF 50V J NP0 TC 1005 R TP 2 C128 CAP CERAMIC CHIP ECCH0000129 120 pF 50V J NP0 TC 1005 R TP 3 C157 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 4 C158 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 5 C159 INDUCTOR CHIP ELCH0001426 8 2 nH J 1005 R TP PBFREE 6 C160 CAP CERAMIC CHIP ...

Page 62: ...08 R TP 29 R132 RES CHIP MAKER ERHZ0000461 300 Kohm 1 16W J 1005 R TP 30 R138 RES CHIP MAKER ERHZ0000237 20 Kohm 1 16W F 1005 R TP 31 R139 RES CHIP MAKER ERHZ0000237 20 Kohm 1 16W F 1005 R TP 32 R140 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 33 R141 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 34 R154 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 35 R305 RES CHIP MAKER ...

Page 63: ...ECCH0000143 1 nF 50V K X7R HD 1005 R TP 14 C121 CAP TANTAL CHIP MAKER ECTZ0001316 10 uF 10V M STD 2012 R TP 15 C123 CAP CERAMIC CHIP ECCH0000107 6 pF 50V D NP0 TC 1005 R TP 16 C124 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 17 C126 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 18 C156 INDUCTOR CHIP ELCH0001410 12 nH J 1005 R TP Pb Free 19 C201 CAP CERAMIC CHIP ECCH0000182...

Page 64: ...C234 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 48 C235 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 49 C236 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 50 C237 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 51 C238 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 52 C239 CAP CERAMIC CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP 53 C...

Page 65: ...2 0 1 uF 10V K X5R HD 1005 R TP 84 C278 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 85 C279 CAP CHIP MAKER ECZH0001207 0 082 uF 16V Z Y5V HD 1005 R TP 86 C280 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 87 C281 CAP CHIP MAKER ECZH0001203 33 nF 16V Z Y5V HD 1005 R TP 88 C282 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 89 C284 CAP CHIP MAKER ECZH0001215 1 u...

Page 66: ...ER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 121 C409 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 122 C410 CAP TANTAL CHIP ECTH0005103 33 uF 10V M L_ESR 3216 R TP 123 C412 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 124 C414 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 125 C415 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 126 C416 CAP CHIP MAKER ECZH00...

Page 67: ...09901 ESC 80 V 300 A R TP 1 6 0 8 0 6 t 154 D402 DIODE SWITCHING EDSY0017702 SOD 323 30V 0 5A R TP 2 5 1 25 1 0 0 36V 30V 500Ma 200Mw 2P 155 D403 DIODE SWITCHING EDSY0017701 SOD 123 40 V 1 A R TP 156 DP101 DUPLEXER DCN SDDY0004301 836 5 MHz 881 5 MHz 2 3 dB 3 5 dB 43 dB 55 dB 3 0 2 5 0 8 SMD HTCC type 157 F101 FILTER SAW SFSY0023401 881 5 MHz 2 0 1 4 0 8 SMD 158 F110 FILTER SAW SFSY0031901 836 5 M...

Page 68: ... 3 nH S 1005 R TP PBFREE 166 L110 INDUCTOR CHIP ELCH0001425 6 8 nH J 1005 R TP Pb Free 167 L111 INDUCTOR CHIP ELCH0001426 10 nH J 1005 R TP PBFREE 168 L112 INDUCTOR CHIP ELCH0001430 12 nH J 1005 R TP Pb Free 169 L113 CAP CERAMIC CHIP ECCH0000178 82 nH J 1005 R TP PBFREE 170 L114 INDUCTOR CHIP ELCH0001413 82 nH J 1005 R TP PBFREE 171 L115 CAP CERAMIC CHIP ECCH0000178 8 2 nH J 1005 R TP PBFREE 172 L...

Page 69: ... ERHZ0000318 80 6 Kohm 1 16W F 1005 R TP 202 R224 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 203 R225 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 204 R226 THERMISTOR SETY0004501 NTC 150 Kohm SMD 205 R227 RES CHIP MAKER ERHZ0003901 1 ohm 1 4W F 2012 R TP 206 R228 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 207 R230 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 208 R23...

Page 70: ...8 R365 RES CHIP MAKER ERHZ0000410 12 ohm 1 16W J 1005 R TP 239 R375 RES CHIP MAKER ERHZ0000206 10 ohm 1 16W F 1005 R TP 240 R376 RES CHIP MAKER ERHZ0000206 10 ohm 1 16W F 1005 R TP 241 R378 RES CHIP MAKER ERHZ0000206 10 ohm 1 16W F 1005 R TP 242 R392 RES CHIP MAKER ERHZ0000509 75 ohm 1 16W J 1005 R TP 243 R393 RES CHIP MAKER ERHZ0000509 75 ohm 1 16W J 1005 R TP 244 R395 RES CHIP MAKER ERHZ0000401 ...

Page 71: ...01 100 ohm 1 16W J 1005 R TP 275 R437 VARISTOR SEVY0003601 5 6 V SMD 100pF 1005 276 R438 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 277 R441 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP 278 R442 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP 279 R443 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 280 R445 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 281 R447 RES CHIP ERHY000330...

Page 72: ...P 3PORT Charge Pump AAT2154 Low cost version 298 U305 TR BJT PNP EQBP0006701 ESM 100 mW R TP PNP TRANSISTOR 299 U308 IC EUSY0263301 SC 88 2 0x2 1 6 PIN R TP Single SPDT Switch Pb Free 300 U309 IC EUSY0263301 SC 88 2 0x2 1 6 PIN R TP Single SPDT Switch Pb Free 301 U311 IC EUSY0300101 WQFN 10 PIN R TP Small package Dual SPDT analog Switch PB Free 302 X202 X TAL EXXY0024101 19 2 MHz 10 PPM 7 pF 80 oh...

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