LG G5200 Скачать руководство пользователя страница 112 | Manualshive

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8.3 KEY, I/F & LCD CON

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8. CIRCUIT DIAGRAM

6

C

F

KEYPAD

A

D

LCD CONNECTOR

A

E

1

3

1

5

F

VIBRATOR

2

D

7

8

3

4

I/F CONNECTOR

E

4

7

L

FLIP SWITCH

5

KEY BACKLIGHT

B

C

8

6

2

B

SP330

SP306

2V8_VMEM

SP338

S325

MENU

SP343

9

S319

R334

100K

R327

47

2V8_VMEM

SP331

SIDEKEY

S308

DOWN

1

4

TP303

ON/OFF

S310

U415

1.5K

R319

S304

SIDEKEY

UP

1

4

2V8_VMEM

R301

15

SP352

SP307

3

4

5

6

7

8

SP308

SP316

TP304

SP322

R328

MNR04

47R

1

2

16

16
17

17
18

18

19

19

2

2

20

20
21

21
22

22

23

23

3

3
4

4
5

5
6

6
7

7
8

8
9

9

S306

RIGHT

20_5123_018

CN302

I/F CON22P

1

1

10

10

11

11

12

12
13

13

14

14
15

15

10

R320

TP302

27P

C302

4

S318

100n

C312

MODE

S305

TP306

S324

*

SP334

SP333

S311

SEND

2V8_VMEM

SP305

SP346

1

S315

SP341

U301

A3210

1

2

3

3

S313

27P

C310

C309

27P

R332

100K

100K

R331

SP320

SP349

1K

R313

S302

SOFT2

SP310

R325

47

SP342

R315

1K

100K

R311

4

5

5

6

6

7

7

8

8

9

9

68K

R310

47

R329

17

18

18

19

19

2

2

20

20

21

21

22

22

23

23 24

24

25

25

26

26

27

27

28

28

29

29

3

3

30

30

4

SP345

CN301

30P_FPCB_CON

1

1

10

10 11

11

12

12

13

13

14

14

15

15

16

16

17

R302

1K

SP317

SP339

VBAT

R314

1K

SP302

SP311

SP350

DOWN

D310

100n

C306

SP347

S309

SP314

SP353

SP304

SP309

SP323

D304

R307

0

D306

SP336

39P

C315

27P

C303

100n

UP

S301

C304

27P

C305

VBAT

Q302

IMX9

1

2

3

4

5

6

0

100K

R321

VBAT

NC

R326

VCHARGE

S303

SOFT1

SP335

R333

27P

C307

SP315

VBAT

S314

D311

C301

27P

2

SP303

D307

SP321

C314

39P

SP328

SP312

SP327

SP318

TP305

A

1K

R303

S307

#

S322

R312

0

S316

6

LEFT

4

5

6

1K

R304

SP326

TP301

D312

U302

MAX4599

1

2

3

D309

5

S317

47

R324

SP344

4.7K

R317

SP319

SP340

1K

R316
R306

1K

SP301

SP348

2V45_VRTC

D302

D305

0

S323

R318

10K

D308

C170

R322

10

2

3

100K

R330

SP351

NC

R323

NC

S320

8

ISS302

D301

1

SP332

D303

VBAT

SP325

7

S321

C311

100n

1K

R309

Q301

2SC5585TL

2

3

1

SP354

C308

27P

D313

SP337

SP329

HFK_MIC_P

LCD_ID

SP324

SP313

BAT_TEMP

POWERKEY

KEYCOL(2)

KEYCOL(1)

KEYROW(0)

HEADSET_MIC_N

LCD_SUB_CS

DATA(2)

DATA(1)

DATA(0)

HKEYCOL

DATA(7)

DATA(6)

DATA(5)

DATA(4)

DATA(3)

HFK_SPK_P

DSR

LCD_RES

LED_G

LCD_RS

_WR

LED_MAIN

SPK-

HFK_SPK_N

KEYCOL(3)

HKEYCOL

HKEYROW

BACKLIGHT

LED_B

REC+

VIBRATOR-

LCD_MAIN_CS

REC-

SPK+

HKEYROW

USC(3)
USC(4)

ACCESSORY_DETECT

TX

RX

USC(5)

USC(1)

RPWRON

KEYCOL(0:4)

KEYCOL(4)

KEYCOL(0)

KEYROW(0:4)

KEYROW(4)

KEYROW(3)

KEYROW(1)

KEYROW(2)

USC(0)

USC(2)

LED_R
VCHARGE

VIBRATOR-

LED_MAIN

FLIP

KEY_BACKLIGHT

VIBRATOR

RPWRON

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Содержание G5200

Страница 1: ...GSM Phone SERVICE MANUAL MODEL G5200 W5200 P N MMBD0015801 JUNE 2002 SERVICE MANUAL MODEL G5200 W5200 ...

Страница 2: ...3 6 Digital Main Processor 19 3 7 Analog Main Processor 24 3 8 Power Management 26 3 9 Memories 28 3 10 Display and Interfaces 28 3 11 Keypad Switches and Scanning 29 3 12 Microphone 30 3 13 Earpiece 31 3 14 Hands free Interface 32 3 15 Headset Jack Interface 32 3 16 Key Back light Illumination 32 3 17 LCD Back light Illumination 33 3 18 Multi Color LED Illumination 33 3 19 Speaker MIDI IC 34 4 TR...

Страница 3: ...option MENU 4 119 10 5 Call Timer MENU 5 119 10 6 Fact Reset MENU 6 119 10 7 S W version MENU 7 119 11 STAND ALONE TEST 120 11 1 Introduction 120 11 2 Setting Method 120 11 3 Means of Test 120 12 AUTO CALIBRATION 121 12 1 Overview 121 12 2 Requirements 121 12 3 Menu and settings 121 12 4 AGC 123 12 5 APC 123 12 6 ADC 123 12 7 Setting 123 12 8 How to do calibration 123 13 EXPLODED VIEW REPLACEMENT ...

Страница 4: ... LGE Inc Furthermore LGE Inc reserves the right without notice to make changes to equipment design as advances in engineering and manufacturing methods warrant This manual provides the information necessary to install program operate and maintain the G5200 DATE ISSUE CONTENTS OF CHANGES S W VERSION APRIL 2002 ISSUE 1 Initial Release ...

Страница 5: ...E will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair ...

Страница 6: ...pment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system boa...

Страница 7: ...al Purpose Interface Bus GPRS General Packet Radio Service GSM Global System for Mobile Communications IPUI International Portable User Identity IF Intermediate Frequency LCD Liquid Crystal Display LDO Low Drop Output LED Light Emitting Diodet G5200 LG GSM Phone LGE LG Electronics OPLL Offset Phase Locked Loop PAM Power Amplifier Module PCB Printed Circuit Board PGA Programmable Gain Amplifier PLL...

Страница 8: ...ision Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator WAP Wireless Application Protocol ...

Страница 9: ...DCS 107 dBm TX output power GSM EGSM 32 dBm Level 5 DCS 29 5 dBm Level 0 GPRS compatibility Class 10 This only applies to G5200 SIM card type 3V Small Display 128 128 dots LCD Main 96 64 dotsLCD Sub Soft icons Key Pad Status Indicator 0 9 Navigation Key Up Down Side Key Side Key Confirm Key Clear Key Hot Key Send Key END PWR Key ANT External EAR Phone Jack Yes PC Synchronization Yes Speech coding ...

Страница 10: ... 0 1 ppm GSM EGSM Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 4 Power Level 12 19 dBm 3dB DCS Level Power Toler Level Power Toler 0 30 dBm 2dB 8 14 dBm 3dB 1 28 dBm 3dB 9 12 dBm 4dB 2 26 dBm 3dB 10 10 dBm 4dB 3 24 dBm 3d...

Страница 11: ...m 6 000 71 due to modulation DCS Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 GSM EGSM Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21 6 Output RF Spectrum 1 800 24 due to switching transient GSM Offset from Carrier kHz Max dBm 400 22 600 24 1 200 24 1 800 27 7 Spurious Emissions Conduction Emission Status ...

Страница 12: ...0 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 7 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3 400 2 10 4 000 2 Mean that Adopt a straight line in between 300 Hz and 1 000 Hz to be Max level in the range 14 STMR 13 5 dB 15 Stability Margin 6 dB dB to ARL dB Level Ratio dB 35 17 5 30 22 5 16 Distortion 20 30 7 10 33 3 0 33 7 7 31 7 10 25 5 17 Side Tone Disto...

Страница 13: ...ht of phone set off At least 80 dB under below conditions 23 Ringer Volume 1 Ringer set as ringer 2 Test distance set as 50 cm 24 Charge Voltage Fast Charge 500 mA Slow Charge 60 mA Antenna Bar Number Power 5 85 dBm 4 90 dBm 86 dBm 25 Antenna Display 3 95 dBm 91 dBm 2 100 dBm 96 dBm 1 105 dBm 101 dBm 0 105 dBm Battery Bar Number Voltage 0 3 62 V 26 Battery Indicator 1 3 62 3 73 V 2 3 73 3 82 V 3 3...

Страница 14: ...integrated a direct conversion receiver architecture which eliminates the need of Intermediate Frequency a transmitter based on a modulation loop architecture and fractional N synthesizer part with built in TXVCO and Local VCO 3 2 Receiver The Receiver part in CX74017 contains all active circuits completely full receiver chain with the exception of discrete front end RF SAW filters The filtered an...

Страница 15: ...and baseband processing In direct conversion receiver there is only one mixer down converting received RF signal to BB signal directly The gain down converting mixer is 40dB at high gain mode and 22dB at low gain mode The Rx gain setting is done in the AGC algorithm The nominal gain of the receiver is set as a function of the expected signal strength at the antenna input so that a desired level is...

Страница 16: ...d directional coupler is used to sample the RF output from either PA The PA outputs from the directional coupler pass to the antenna connector via Antenna Switch A IF Modulator The baseband converter BBC within the GSM chipset generates I and Q baseband signals for the transmit vector modulator The modulator provides more than 40dBc of carrier and unwanted side band rejection and produces a GMSK m...

Страница 17: ...rect RF channel is frequency modulated with the original GMSK data The OPLL acts as a tracking narrowband band pass filter tuned to the desired channel frequency This reduces the wideband noise floor of the modulation and up conversion process and provides significant filtering of spurious products C Synthesizer The CX74017 includes a fully integrated UHF VCO with an on chip LC tank A single sigma...

Страница 18: ...e and a directional coupler near the antenna feeds a portion of the RF output signal back to the AD8315 peak detector converts this signal to a low frequency feedback signal that balances the amplifier when this signal equals the RAMP input signal level E Power Amplifier The PF08107B U409 is Dual band amplifier for E GSM 880 to 915MHz and DCS1800 1710 to 1785MHz The efficiency of module is the 50 ...

Страница 19: ...3 5 Power Supplies and Control Signals There are two regulators used in the phone to provide RF power One is contained inside of ADP3408 U101 power management IC to provide the power for the VCTXO X302 The other is used to provide the power for remaining RF circuits Table 3 2 Figure 3 5 Regulator Circuit 3 TECHNICAL BRIEF 18 Regulator Voltage Powers Enable Signal Regulator 1 U1 2V7_VTCXO 2 7 V 0 5...

Страница 20: ... memory for code and data RBUS is for internal RAM access PBUS is for access to internal peripheral modules such as UART RTC or SIM In addition to the three main system busses it has SBUS IOBUS and DMABUS DSP subsystem It consists of ADI DSP Viterbi coprocessor Ciphering unit and a cache memory controller system The DSP can run at a maximum clock frequency of 78 MHz at 2 45 V The Viterbi and ciphe...

Страница 21: ...tor subsystem Peripheral subsystem It contains four major groups of elements The MMI group is a collection of all the functionality that are needed to implement a complete user interface including keyboard display backlight RTC general purpose I O etc House Keeping group consists of three different sub modules The Watch Dog Timer the Interrupt Controller and the general timers GSM system group con...

Страница 22: ...3 TECHNICAL BRIEF 21 Figure 3 7 System interconnection of AD6522 external interfaces ...

Страница 23: ... TXEN RXON1 RXON2 AGCEN SDATA SCLK SEN etc Table 3 4 Description LCD_MAIN_CS LCD_SUB_CS LCD chip enable Each LCD has CS pin LCD_RES This pin resets LCD module LCD_A0 This pin determines whether the data to LCD module is display data or control data WR RD Read Write control DATA 00 07 Parallel data line Signal Name Description TXEN TX Enable Disable RXON1 LNA Mixer1 On Off RXON2 Mixer 2 On Off AGCE...

Страница 24: ...nclude 5 column and 5 row The AD6522 detect key press by interrupt ADP3408 interrupt There are two interrupts EOC and CHARGEDETECT EOC End of Charge Charging would be stopped when AD6522 receive this input CHARGEDETECT This interrupt is generated when charge is inserted Description SIM_IO This pin receives and sends data to SIM card G5200 support only 3 0 volt interface SIM card SIM_CLK Clock 3 5M...

Страница 25: ...3 TECHNICAL BRIEF 24 3 7 Analog Main Processor AD6521 Figure 3 9 AD6521 function block diagram ...

Страница 26: ...er Auxiliary section This section contains two auxiliary DACs AFC DAC IDAC for system control This section also contains AUX ADC and Voltage Reference AUX ADC 6 channel 10 bits AFC DAC 13 bits IDAC 10 bits Voiceband section Receive audio signal from MIC G5200 use differential configuration Send audio signal to Receiver G5200 use differential configuration It interconnect with external device like ...

Страница 27: ...nner block diagram Power up sequence logic The ADP3408 controls power on sequence Power on sequence If a battery is inserted the battery powers the 6 LDOs Then if PWRONKEY is detected the LDOs output turn on REFOUT is also enabled Reset is generated and send to the AD6522 ...

Страница 28: ... AD6522 when charger is plugged CHARGEEN Control signal from AD6522 to charge Li battery EOC Interrupt to AD6522 when battery is fully charged GATEIN Control signal from AD6522 to charge NiMH battery But not used MVBAT Battery voltage divider Divide ratio is 1 2 3 and it is sensed in AD6521 AUX_ADC TA Travel Adaptor Input voltage AC 85V 260V 50 60Hz Output voltage DC 5 2V 0 2 V Output current Max ...

Страница 29: ...ce Table 3 7 G5200 has dual type LCD There are the control output LCD_MAIN SUB_CS which is derived from AD6522 this acts as the chip select enable for the Main Sub LCD AD6522 uses DATA 00 07 pins to send data for displaying graphical text onto the each LCD Main Sub Main LCD Sub LCD Display Format 128 x 128 dots 96 x 64 dots Back light EL Backlight EL Backlight ...

Страница 30: ...for the power switch S310 which is connected independently Functions the row and column lines of the keypad are connected to ports of AD6522 The columns are outputs while the rows are inputs and have pull up resistors built in When a key is pressed the corresponding row and column are connected together causing the row input to go low and generate an interrupt The columns rows are then scanned by ...

Страница 31: ... The voltage supply 2V45_VCORE is output from ADP3408 and is a bias voltage for both the VINNOR through R105 and VINAUX through R104 lines The VINNOR or VINAUX signal is then A D converted by the Voiceband ADC part of AD6521 The digitized speech is then passed to the DSP section of AD6522 for processing coding interleaving etc Figure 3 12 Microphone ...

Страница 32: ...e earpiece is located in the handset floder front panel and the signals are routed to it via FPCB connector between Main Board and FPCB board But The VOUTNORP signal has to be selected by the control signal SPK_EN If SPK_EN is low VOUTNORP is directly connected to the Earpiece else VOUTNOTP is connected to the Midi Chip U203 Figure 3 13 Earpiece Handsfree Interface ...

Страница 33: ...dio out to the headset jack is used only one line VOUTAUXP HEADSET_SPK_P1 which can be connected to the HEADSET_MIC_P or HFK_SPK_P by the analog switch U204 If you put in the headset jack in the top of the handset HEADSET_SPK_P1 VOUTAUXP is connected to the HEADSET_SPK_P And the audio in from the headset jack has also one line VINAUXP HEADSET_MIC_P If the headset jack is put in HEADSET_MIC_P is in...

Страница 34: ...of LCD Module which is driven by BACKLIGHT EL_EN line from AD6522 Figure 3 15 LCD Back light Illumination 3 18 Multi Color LED Illumination In multi color LED illumination there is an LED chip and three TRs in sub LCD side of LCD Module which is driven by LED_G LED_B and LED_Main line from AD6522 Figure 3 16 Multi Color LED ...

Страница 35: ...allow simultaneous generation of up to thirty two FM tones and eight Waveform table tones Since FM synthesizer is able to present countless tones by specifying parameters with only several tens of bytes memory capacity and communication band can be saved and thus the device exhibits the features in operating environment of mobile phones such as allowing distribution of arbitrary melodies with tone...

Страница 36: ...ce Description Reference Description U401 AND Gate U412 APC IC U405 Antenna Switch U413 Inverter U407 DCS RF SAW Filter U414 LDO U408 GSM RF SAW Filter SW401 Mobile Switch U409 PAM Y401 TXVCO U411 RF Main Chip N401 Coupler SW401 N401 N409 U412 Y401 U413 U401 U414 U407 U411 U408 U405 ...

Страница 37: ...4 TROUBLE SHOOTING 36 RX Check Area ...

Страница 38: ...4 TROUBLE SHOOTING 37 4 1 1 Checking Regulator Circuit U414 1 U414 6 ...

Страница 39: ...4 1 2 Checking VCTCXO Circuit Graph 4 1 VCTCXO 13MHz Graph 4 2 VCTCXO 2 7V 4 TROUBLE SHOOTING 38 Y401 3 Y401 4 ...

Страница 40: ...4 TROUBLE SHOOTING 39 4 1 3 Checking Control Signal TP409 LE TP407 Data TP408 Clock TP4043 RXEN Graph 4 3 RF Control Signal ...

Страница 41: ...4 TROUBLE SHOOTING 40 4 1 4 Checking Ant SW Mobile SW U401 1 U401 6 R405 SW401 2 SW401 1 U405 11 U405 10 U405 2 U405 1 Table 4 1 ANT SW Control Logic ...

Страница 42: ...4 TROUBLE SHOOTING 41 Graph 4 4 ANT SW Control GSM DCS RX Mode Graph 4 5 Dual AND Gate input For GSM RX Mode Table 4 2 ANT SW Control Logic Graph 4 6 Dual AND Gate input For DCS RX Mode ...

Страница 43: ...4 TROUBLE SHOOTING 42 4 1 5 Checking Saw Filter Circuit U407 3 U407 1 U408 3 U408 1 ...

Страница 44: ...4 TROUBLE SHOOTING 43 4 1 6 Checking RX IQ RXIN RXQN RXIP RXQP Graph 4 7 RX IQ Signal Graph 4 8 RX I Signal Extended ...

Страница 45: ...4 2 Tx Trouble 44 4 TROUBLE SHOOTING 6 1 3 3 4 2 5 Rx Check Area ...

Страница 46: ... 45 4 TROUBLE SHOOTING 4 2 1 Checking Regulator Circuit If you already Check this point while checking RX part You can Skip this Test U414 2 U414 1 U414 6 ...

Страница 47: ... 46 4 TROUBLE SHOOTING 4 2 2 Checking VCTCXO Circuit If you already Check this point while checking RX part You can Skip this Test Graph 4 9 VCTCXO 13MHz Graph 4 10 VCTCXO 2 7V Y401 3 Y401 4 ...

Страница 48: ... 47 4 TROUBLE SHOOTING 4 2 3 Checking Control Signal Graph 4 11 RF Control Signal Graph 4 12 TXEN TXRAMP TXPA TP409 LE TP407 Data TP408 Clock TXPA R405 TXEN R425 TXRAMP R427 ...

Страница 49: ... 48 4 TROUBLE SHOOTING 4 2 4 Checking TX IQ C463 100P TXQN TXQP TXIN TXIP C464 100P TXQN TXIN TXQP TXIP Graph 4 13 TX IQ Signal ...

Страница 50: ... 49 4 TROUBLE SHOOTING 4 2 5 Checking RF TX Level N401 3 U409 1 R407 R411 U409 8 R472 N401 1 L405 L408 C432 U412 1 ...

Страница 51: ... 50 4 TROUBLE SHOOTING 4 2 6 Checking Ant SW Mobile SW SW401 2 SW401 1 U405 11 U405 2 U405 8 U405 5 U405 3 U401 1 R405 U401 6 Table 4 1 ANT SW Control Logic ...

Страница 52: ...le SW Graph 4 14 ANT SW Control Graph 4 15 ANT SW Control DCS TX Mode GSM TX Mode Graph 4 16 Dual AND Gate input Graph 4 17 Dual AND Gate input For DCS TX Mode For GSM TX Mode Table 4 3 ANT SW Control Logic 51 4 TROUBLE SHOOTING ...

Страница 53: ... 52 4 TROUBLE SHOOTING 4 2 7 Receiver RF Level GSM CH 62 60dBm DCS CH 699 60dBm ...

Страница 54: ... 53 4 TROUBLE SHOOTING Test Points of Rx Level 1 3 4 2 ...

Страница 55: ...XEN TXEN RXEN RXEN RXEN RXEN PLL_PD PLL_PD PLL_PD PLL_PD Serial Serial Serial Serial I O I O I O I O FEENA FEENA FEENA FEENA BANDSEL2 BANDSEL2 BANDSEL2 BANDSEL2 BANDSELX BANDSELX BANDSELX BANDSELX LF f TX f f LO AFC AFC AFC AFC X3MHz X3MHz X3MHz X3MHz 2V7_VTCXO 2V7_VTCXO 2V7_VTCXO 2V7_VTCXO COUPLER LDCX5D PAM PF08X22B ANT S W LMG002S GSMSEL GSMSEL GSMSEL GSMSEL DCSSEL DCSSEL DCSSEL DCSSEL TXPA TXP...

Страница 56: ...4 TROUBLE SHOOTING 55 4 2 8 Transmitter RF Level Test Points of Tx Level 13 11 5 3 1 2 4 6 12 7 8 9 10 ...

Страница 57: ...BLE SHOOTING 56 4 2 9 Test Points for RF Components Test Points for RF components VC2 U401 3 VC1 U401 7 TXPA R405 TXQN TXQP RXQN RXQP 2V7_VCTCXO 13MHz CLock TXRAMP R427 TXEN R425 TXIN TXIP RXIN RXIP RF 2 85V ...

Страница 58: ... Test Points for RF Components Test Points for RF components Keypad Side Lower 4 TROUBLE SHOOTING 57 TP408 PLL_Clock TP409 PLL_LE TP409 PLL_LE TP407 PLL_Data ...

Страница 59: ...101 U201 D102 D101 U102 Reference Description Reference Description U101 PMIC U205 LDO U102 P Channel FET U302 Analog Switch U103 Analog Main Processor D101 Diode U105 Digital Main Processor D102 Dual Diode U106 Memory X101 X TAL U201 Comparator Q302 Dual Transistor U202 Analog Switch CN101 SIM Connector U203 MIDI IC CN301 IO Connector U204 Analog Switch ...

Страница 60: ...nts Keypad Side Baseband components Keypad Side 4 TROUBLE SHOOTING 59 Q101 MIC101 U301 Q301 D301 Reference Description Reference Description U301 Hall Sensor D301 Dual Diode Q301 Transistor MIC101 C MIC Q302 Transistor ...

Страница 61: ...4 3 Power on Trouble 60 4 TROUBLE SHOOTING Setting Connect PIF and set remote switch off at PIF ...

Страница 62: ...N KEY signal input This signal should go HIGH when the power on procedure is completed Pin 25 VTCXO 2 7V Pin 22 VCORE 2 45V Pin 21 VMEM 2 8V Pin 6 VRTC 1 2V Pin 2 Power Key Pin 1 PWRON_EN These powers should be necessary to power on ...

Страница 63: ... 62 4 TROUBLE SHOOTING 4 4 Charging Trouble Setting Connect PIF and set remote switch off at PIF ...

Страница 64: ... 63 4 TROUBLE SHOOTING The charging current will flow into this direction R102 D101 U102 ...

Страница 65: ...4 TROUBLE SHOOTING 64 4 5 LCD Trouble Setting Connect PIF and power on ...

Страница 66: ...4 TROUBLE SHOOTING 65 Soldering Check If the FPCB has a problem the control signals for LCD cannot be transmitted properly CN301 ...

Страница 67: ...OTING 66 4 6 Receiver Trouble Setting After initializing GSM MS test equipmemt connect PIF and power on Make a test call to 112 Set audio part at test equipment as PRBS or continuous wave not echo Set the volumn max ...

Страница 68: ...ath Refer to page 2 of the complete circuit diagram for detail 4 TROUBLE SHOOTING 67 RECEIVER PMIC U101 C206 U202 4 U202 5 YMU762 U203 Soldering Check From the U103 AD6521 U202 C206 From the U103 AD6521 To Receiver at LCD module via CN301 ...

Страница 69: ...4 TROUBLE SHOOTING 68 The waveforms of the audio signals at each point U202 4 U202 5 C206 REC ...

Страница 70: ...4 TROUBLE SHOOTING 69 4 7 Speaker Trouble Setting Connect PIF to the phone and power on Enter the engineering mode and set Melody on at BB Test Buzzer menu ...

Страница 71: ...4 TROUBLE SHOOTING 70 U203 Pin 26 Pin 25 U205 C221 R222 R227 Soldering Check in LCD Module Speaker C209 C211 R213 R215 CN301 ...

Страница 72: ...1 C209 R213 C211 R215 These four components make up the analog amplifier stage of melody U203 U205 C221 R227 R222 This is the melody IC To the speaker at LCD module via CN301 The Power for analog part of the melody IC The voltage is 3 3V The Power for digital part of the melody IC The voltage is 2 8V It is from the PMIC ADP3408 U101 ...

Страница 73: ...4 8 Mic Trouble 4 TROUBLE SHOOTING 72 Setting After initializing GSM MS test equipment connect PIF to the phone and power on Make a test call to 112 Make a sound in front of microphone ...

Страница 74: ...4 TROUBLE SHOOTING 73 C118 R105 R108 R110 R112 Q101 3 MIC101 C132 C129 ...

Страница 75: ...MIC R105 R108 MIC MIC MIC MIC C118 MIC101 The voltage at this point goes to almost 0V when the mic is activated Mic activating signal Mic is activated when this signal goes to HIGH R110 R112 C129 C132 The signal flow of the microphone to U103 AD6521 ...

Страница 76: ...t Vibrator menu START Is the voltage at pin 3 of Q301 near 0V No Check the soldering of CN301 No Resolder CN301 Check the soldering of vibratior at LCD module Yes No Resolder vibrator VIBRATOR WILL WORK PROPERLY Replace Vibrator Check the soldering of R301 No Resolder R301 Yes Yes Yes Check the soldering of R309 No Resolder R309 Yes Replace Q301 ...

Страница 77: ... Vibrator R301 Q301 3 Q301 2 From the vibrator at LCD module via CN301 When the vibrator works the voltage at this point goes to almost 0 V When the vibrator works the current flow in this directoin When the vibrator works the signal at this point goes to 2 8V R309 ...

Страница 78: ...4 TROUBLE SHOOTING 77 4 10 Backlight Trouble Setting Connect PIF to the phone and power on Enter engineering mode and set Backlight on at BB test Backlight menu ...

Страница 79: ...4 TROUBLE SHOOTING 78 Q302 2 R321 R319 ...

Страница 80: ...4 TROUBLE SHOOTING 79 4 11 Folder on off Trouble Setting Connect PIF to the phone and power on ...

Страница 81: ...4 TROUBLE SHOOTING 80 R310 The voltage at this point goes from 2 8V to 0 V when the folder is closed To U105 AD6522 This component operate when a magnet get close here U301 1 U301 2 ...

Страница 82: ...4 TROUBLE SHOOTING 81 4 12 SIM Detect Trouble Setting Insert the SIM into CN101 Connect PIF to the phone and power on ...

Страница 83: ...4 TROUBLE SHOOTING 82 PIN 5 PIN 3 PIN 1 PIN 7 ...

Страница 84: ...4 TROUBLE SHOOTING 83 4 13 Earphone Trouble Setting After initializing GSM test equipment connect PIF to the phone and power on ...

Страница 85: ...4 TROUBLE SHOOTING 84 ...

Страница 86: ...4 TROUBLE SHOOTING 85 ...

Страница 87: ...4 TROUBLE SHOOTING 86 ...

Страница 88: ...4 TROUBLE SHOOTING 87 4 14 HFK Trouble C168 U201 1 R208 R209 R212 R210 R211 R230 R231 R104 C117 C124 R201 CN201 L201 U204 1 U204 5 U204 6 R103 R106 ...

Страница 89: ...the path of audio signal for the ear mic or the HFK The circuit diagram of the ear mic jack Refer to the page 2 of the complete circuit diagram for detail Refer to the page 2 of the complete circuit diagram for detail The reference voltage for the detect of ear mic These resistors make the reference voltage Mic bias and path for the ear mic Refer to the page 1 of the complete circuit diagram for d...

Страница 90: ...4 TROUBLE SHOOTING 89 Setting After initializing GSM test equipment connect PIF to the phone and power on ...

Страница 91: ...4 TROUBLE SHOOTING 90 ...

Страница 92: ...4 TROUBLE SHOOTING 91 ...

Страница 93: ...4 TROUBLE SHOOTING 92 R333 U204 1 U204 U204 5 CN302 C117 C124 CN201 L201 R205 R328 2 8V R158 R106 R103 R104 C168 CN302 1 R156 C171 R170 CN302 9 CN302 12 Check Point 0V when HFK is activated ...

Страница 94: ...ls from to the HFK The HFK detect signal This point goes to 0 V when the HFK is activated The circuit diagram of the part of CN302 Refer to the page 3 of the complete circuit diagram The HFK detect signal input to U105 AD6522 Refer to the page 1 of the complete circuit diagram ...

Страница 95: ... the HFK to U103 AD6521 This part is same with that of the ear mic Refer to the page 1 of the complete circuit diagram for detail The signal flow when the HFK is activated U204 selects the path of audio signal for the ear mic or the HFK Refer to the page 2 of the complete circuit diagram for detail To U103 AD6521 ...

Страница 96: ...sembly 1 Remove the battery antenna and screws as shown above Figure 5 1 Removing Battery pack screws and Antenna 2 Carefully lift up the bottom of Rare Cover first then hold the covers and twist them Figure 5 2 Disassembly of Rear cover and Front cover 1 2 3 ...

Страница 97: ...5 ASSEMBLY INSTRUCTION 96 3 Finally carefully remove the rear cover from the hooks on the top of front cover Figure 5 3 Disassembly from the hooks ...

Страница 98: ...5 ASSEMBLY INSTRUCTION 97 4 Remove the pin shown below to unlock the PCB Figure 5 4 Unlocking and removing the PCB ...

Страница 99: ...5 ASSEMBLY INSTRUCTION 98 5 Use a sharp awl to push away the antenna bushing Figure 5 5 Removing Antenna bushing 6 Use a tweezers to remove the Battery Locker Figure 5 6 Removing battery locker 3 1 1 2 ...

Страница 100: ...5 ASSEMBLY INSTRUCTION 99 7 Remove the buttons Figure 5 7 Removing buttons 8 Push away the hinge to remove the folder Figure 5 8 Detaching Folder ...

Страница 101: ...rom the folder Then detach screw caps and screws Figure 5 9 Removing hinge and screws 10 Place the folder on a desk Then hold the hinge and push it down carefully Finally detach it from the rest hooks shown above Firure 5 10 Disassembly of Folder ...

Страница 102: ...5 ASSEMBLY INSTRUCTION 101 11 Detach the rest components as shown below Figure 5 11 Disassembly of Rest components 12 Use a driver to lift up the end side of sub window Figure 5 12 Detaching sub window ...

Страница 103: ...6 DOWNLOAD 102 6 DOWNLOAD 6 1 Download Setup Figure 6 1 Download Setup Condition Disconnect TA to the Jig and phone have a battery Check the Battery up to two blocks more TA PC JIG ...

Страница 104: ...eck 3 Don t Check OWCD OWCD Overwrite Cal Data Press Start wait Select Start 1 Access Flash loader program in PC Select Erase Don Check OWCD 2 Check Address Size Addr 1004000 Size 7FC000 3 Press Start Wait Until Erase Completed 4 Press Write to start Download ...

Страница 105: ...6 DOWNLOAD 104 5 Select Key to Choose Mot File 6 Select Mot File Press Open 7 Wait until MOT To BIF Converting is completed Just Check Verify Don t Check OWCD ...

Страница 106: ...6 DOWNLOAD 105 8 Press Start Power on the phone Using Jig Remote Power On Switch1 9 Wait until Sending Block end Press Start Power ON Using Jig Turn on Switch 1 ...

Страница 107: ...The G5200 is made up of two PCBs In lower part of the folder there is a main board And in the upper part of the folder there is a FPCB Below you can see the block diagram of both PCBs Figure 7 1 Main Blockdiagram 106 7 BLOCK DIAGRAM ...

Страница 108: ...7 BLOCK DIAGRAM 107 7 2 FPCB Figure 7 2 FPCB Blockdiagram 7 3 RF Figure 7 3 RF Blockdiagram ...

Страница 109: ...7 BLOCK DIAGRAM 108 ...

Страница 110: ...UZZER A2 DGND1 DGND3 A U103 AD6521 A10 AFCDAC AGND1 G9 B8 AGND2 AGND3 J7 B3 AGND4 J3 ARSM ASDI H1 J1 100N R102 0 33 1 2012 A R130 NC C171 39P C135 1K 47N C145 R127 0 MIC101 OB 22S40 C33 R105 10K R136 R114 100 C165 100N C137 47N R133 10K C168 A 47N C131 100N 2V8_VMEM 2K R101 39P 47N C152 220n A C128 2 3 1 C134 R109 82K Q101 2SC5585TL 1N A A A VBAT JP101 C160 C102 2 2U A C130 39P 2012 TP101 R154 NC ...

Страница 111: ...231 0 TP117 AVL5M02200 V202 2V8_VMEM HSP205 100N C222 C215 2V45_VCORE VBAT V201 AVL5M02200 47P 0 R230 100n 390p C203 TAN_CAP2012 C211 330K R212 C214 4 7U A C219 47p R209 330K A TP128 6 PLLC 17 SPOUT1 SPOUT2 18 SPVDD 15 16 SPVSS VDD 7 9 VREF VSS 8 _CS 29 _IRQ 3 31 _RD _RST 4 28 _WR R213 33K 26 D1 25 D2 24 D3 23 D4 D5 22 21 D6 D7 20 12 EQ1 EQ2 13 14 EQ3 10 HPOUT L HPOUT R 11 IOVDD 32 2 LED MTR 19 5 ...

Страница 112: ...317 SP339 VBAT R314 1K SP302 SP311 SP350 DOWN D310 100n C306 SP347 S309 SP314 SP353 SP304 SP309 SP323 D304 R307 0 D306 SP336 39P C315 27P C303 100n UP S301 C304 27P C305 VBAT Q302 IMX9 1 2 3 4 5 6 0 100K R321 VBAT NC R326 VCHARGE S303 SOFT1 SP335 R333 27P C307 SP315 VBAT S314 D311 C301 27P 2 SP303 D307 SP321 C314 39P SP328 SP312 SP327 SP318 TP305 A 1K R303 S307 S322 R312 0 S316 6 LEFT 4 5 6 1K R30...

Страница 113: ...OUT_GSM 2 VAPC 7 VCTL 3 VDD1 6 VDD2 22P C451 R412 10 U409 PF08107B 9 GND1 10 GND2 8 PIN_DCS 1 PIN_GSM 5 C468 0 1U 390 R414 1608 1U C448 C463 100P RF2 85V 1 5P C410 2 2K 240 R423 22P RF2 85V R436 12P R415 51 C434 6 8nH TP402 C427 R416 510 TP407 TP404 L413 C470 NC 2P C432 2 7N L404 27P C435 22nH L412 R410 1K 100P C464 C436 C412 NA 100N C420 47P 10P C425 TP411 TP410 TP403 470P C459 R446 51 C462 R424 ...

Страница 114: ... 113 9 PCB LAYOUT 9 PCB LAYOUT ...

Страница 115: ... 114 9 PCB LAYOUT ...

Страница 116: ...nu and press select key to progress the test Pressing back key will switch back to the original test menu 10 1 BB Test MENU 1 Baseband Test A LED 1 1 This menu is to test the indicator LED on the folder of a handset Red 1 1 1 Red light turns on Blue 1 1 2 Blue light turns on Yellow 1 1 3 Yellow light turns on Orange 1 1 4 Orange light turns on Pink 1 1 5 Pink light turns on Green 1 1 6 Green turns...

Страница 117: ...s played through the speaker Melody off 1 4 1 Melody sound is off E Vibrator 1 5 This menu is to test the vibration mode Vibrator On 1 5 1 Vibration mode is on Vibrator Off 1 5 2 Vibration mode is off F ADC Analog to Digital Converter 1 6 This displays the value of each ADC MVBAT ADC Main Voltage Battery ADC 1 6 1 AUX ADC Auxiliary ADC 1 6 2 TEMPER ADC Temperature ADC 1 6 3 G BATTERY 1 7 Bat Cal 1...

Страница 118: ...ing VbControl5 1 8 5 VbControl5 bit Register Value Setting VbControl6 1 8 6 VbControl6 bit Register Value Setting I DAI Digital Audio Interface 1 9 This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing DAI AUDIO 1 9 1 DAI audio mode DAI UPLINK 1 9 2 Speech encoder test DAI DOWNLINK 1 9 3 Speech decoder test DAI OFF 1 9 4 DAI mode off 10 2 RF Test MENU 2 Ra...

Страница 119: ...t the same time then off D Buzzer 3 4 This menu is to test the volume of Melody It rings in the following sequence Volume1 Volmue2 Volume3 Volume0 mute Volume4 Volume5 E Vibrator 3 5 Vibrator is on for about 1 5 seconds F LCD 3 6 Main LCD screen resolution tests horizontally and vertically one by one and fills the screen G Key pad 3 7 When a pop up message shows Press Any Key you may press any key...

Страница 120: ...0 10 6 Fact Reset MENU 6 This Factory Reset menu is to format data block in the flash memory and this procedure set up the default value in data block 10 7 S W version MENU 7 This displays software version stored in the phone Attention Fact Reset i e Factory Reset should be only used during the Manufacturing process Servicemen should NOT progress this menu otherwise some of valuable data such as S...

Страница 121: ... default values B Tx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM between 5 19 or DCS between 0 15 c Scaling Factor A Ramp Factor appears on the screen You may adjust the shape of the Ramp or directly input the values C Rx 1 Selecting Channel Select one of GSM ...

Страница 122: ...indows98 ME AutoCal exe GSM phone Agilent 8960 or other equipment 12 3 Menu and settings Edit Ramp Show reference power ramp window Reference ramp is used in APC procedure You can open or save reference ramp data and edit it on notepad Figure 12 1 Reference ramp window Edit Make bin write Make binary file from measured calibration data and write to the phone The name of binaryfile is cal bin by de...

Страница 123: ...tting dialog you can change port number baud rate etc Connection Connect to Ag8960 Connect to Agilent 8960 Connection Disconnect Ag8960 Disconnect Agilent 8960 Option Settings Gpib state Show current primary Gpib state Option Settings MPL Set max Tx power level used in APC procedure Option Settings CL Set cable loss value Option Settings Bin file Set default binary file name Figure 12 2 Buttons an...

Страница 124: ...igTable 12 7 Setting Select automatic calibration item If you uncheck one item calibration will stop from the unchecked item This is useful when you want to process only one item 12 8 How to do calibration A Connect cable between phone and serial port of PC B Connect Ag8960 equipment and phone C Set correct port and baud rate D Press Connect to phone button so that the state change to SETUP E Set ...

Страница 125: ... VIEW REPLACEMENT PART LIST 124 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View M3 M5 M6 M7 M8 M11 M13 M15 M18 M19 M32 M33 M20 M22 M24 M25 M26 M31 M30 M28 M27 M17 M4 M9 M10 M2 M1 M12 M14 M23 M29 M16 M21 ...

Страница 126: ...es M17 MHFD00 MHFD0000401 HINGE FOLDER 1 LG 510 511 512 5 7 0 0 05 X 16 4 Yes M18 MBJL00 MBJL0003201 BUTTON SIDE 1 Ni Silver Yes M19 MCJK00 MCJK0006302 COVER FRONT 1 COBALT BLUE Cobalt Blue Yes MCJK0006301 COVER FRONT 1 METAL SILVER Metal Silver Yes M20 MCCC00 MCCC0004902 CAP EARPHONE JACK 1 COBALT BLUE Cobalt Blue Yes MCCC0004901 CAP EARPHONE JACK 1 METAL SILVER Metal Silver Yes M21 MBHY00 MBHY00...

Страница 127: ...Service Remark 2 SGDY00 SGDY0003003 DATA CABLE 1 LG 510W G510 CABLE W O POWER BULK DK 16G Yes 2 SGEY00 SGEY0002901 EAR PHONE EAR MIKE SET 1 G7000 G5200 3P EAR MIC EM LG412GS Yes 2 SGCC00 SGCC0001803 CIGARETTE LIGHT ADOPTER 1 CLA CLA 16G Yes 2 SSAD00 SSAD0007803 ADAPTOR AC DC 1 100 240V 50 Hz 5 2 V 850 mA RUSSIA CIS TA 15GR Yes SSAD0007801 ADAPTOR AC DC 1 100 240V 50 Hz 5 2 V 850 mA Europe TA 15G Y...

Страница 128: ...7 4 MHGD00 HOLDER LCD 1 Please refer to the Exploded View Yes M12 4 MHGD01 HOLDER LCD 1 Please refer to the Exploded View Yes M5 4 MPBG00 MPBG0004601 PAD LCD 1 37X44X0 4t Yes 4 MPBQ00 MPBQ0002601 PAD LCD SUB 1 25 8X27 1X0 4t Yes 4 MTAB00 MTAB0001401 TAPE PROTECTION 1 LG G510 FOLDER UPPER No 4 MWAC00 WINDOW LCD 1 Please refer to the Exploded View Yes M14 4 MWAF00 WINDOW LCD SUB 1 Please refer to th...

Страница 129: ...ERAMIC CHIP 1 0 1 uF 10V K X5R HD 1005 R TP Yes 5 C130 ECCH0000120 CAP CERAMIC CHIP 1 39 pF 50V J NP0 TC 1005 R TP Yes 5 C131 ECCH0000163 CAP CERAMIC CHIP 1 47 nF 10V K X5R HD 1005 R TP Yes 5 C132 ECCH0000182 CAP CERAMIC CHIP 1 0 1 uF 10V K X5R HD 1005 R TP Yes 5 C134 ECCH0001811 CAP CERAMIC CHIP 1 0 22 uF 50V Z Y5V HD 1005 R TP Yes 5 C135 ECCH0000120 CAP CERAMIC CHIP 1 39 pF 50V J NP0 TC 1005 R T...

Страница 130: ...RAMIC CHIP 1 27 pF 50V J NP0 TC 1005 R TP Yes 5 C309 ECCH0000117 CAP CERAMIC CHIP 1 27 pF 50V J NP0 TC 1005 R TP Yes 5 C310 ECCH0000117 CAP CERAMIC CHIP 1 27 pF 50V J NP0 TC 1005 R TP Yes 5 C311 ECCH0000182 CAP CERAMIC CHIP 1 0 1 uF 10V K X5R HD 1005 R TP Yes 5 C312 ECCH0000182 CAP CERAMIC CHIP 1 0 1 uF 10V K X5R HD 1005 R TP Yes 5 C314 ECCH0000120 CAP CERAMIC CHIP 1 39 pF 50V J NP0 TC 1005 R TP Y...

Страница 131: ...0174 CAP CERAMIC CHIP 1 2 pF 50V C NP0 TC 1005 R TP Yes 5 CN101 ENSY0007602 CONN SOCKET 1 6 PIN ETC mm Height 2 7mm Yes 5 CN201 ENJE0002301 CONN JACK PLUG EARPHONE 1 3 5 PIN G7000 EAR JACK 3pole 5pin KSD Yes 5 CN301 ENBY0010901 CONNECTOR BOARD TO BOARD 1 30 PIN 0 5 mm STRAIGHT B to B CNT HEAER Yes 5 CN302 ENEY0002501 CONN RECEPTACLE 1 18 PIN 3 0 0 5 PITCH 18 PIN I O POWER Yes 5 D101 EDSY0005201 DI...

Страница 132: ... R134 ERHY0000261 RES CHIP 1 10K ohm 1 16W J 1005 R TP Yes 5 R136 ERHY0000261 RES CHIP 1 10K ohm 1 16W J 1005 R TP Yes 5 R137 ERHY0000188 RES CHIP 1 430 Kohm 1 16W F 1005 R TP Yes 5 R138 ERHY0000147 RES CHIP 1 56K ohm 1 16W F 1005 R TP Yes 5 R152 ERHY0000280 RES CHIP 1 100K ohm 1 16W J 1005 R TP Yes 5 R153 ERHY0000244 RES CHIP 1 1 5K ohm 1 16W J 1005 R TP Yes 5 R155 ERHY0000241 RES CHIP 1 1K ohm 1...

Страница 133: ...CHIP 1 110 ohm 1 16W J 1005 R TP Yes 5 R405 ERHY0000220 RES CHIP 1 100 ohm 1 16W J 1005 R TP Yes 5 R407 ERHY0000214 RES CHIP 1 51 ohm 1 16W J 1005 R TP Yes 5 R409 ERHY0000221 RES CHIP 1 110 ohm 1 16W J 1005 R TP Yes 5 R410 ERHY0000241 RES CHIP 1 1K ohm 1 16W J 1005 R TP Yes 5 R411 ERHY0000221 RES CHIP 1 110 ohm 1 16W J 1005 R TP Yes 5 R412 ERHY0000203 RES CHIP 1 10 ohm 1 16W J 1005 R TP Yes 5 R413...

Страница 134: ...WITCH Yes 5 U205 EUSY0122501 IC 1 LLP 6 6 PIN R TP 300mA CMOS LDO 3 3V Yes 5 U301 EUSY0129501 IC 1 SC 74A FIT 3 PIN R TP HALL EFFECT SWITCH Yes 5 U302 EUSY0077301 IC 1 SC70 6 SOT23 6 6 PIN R TP Yes 5 U401 EUSY0100502 IC 1 8 LEADUS8 8PIN R TP UHSDUAL2 INPUTANDGATE Yes 5 U405 SFAY0001301 FILTER SEPERATOR 1 880 960 1710 1880 1 3dB 1 4dB 30dB 25dB ETC 5 4 4 0 1 8 Antennaswitch Yes 5 U407 SFSY0011201 F...

Страница 135: ...MEMO 134 ...

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