manualshive.com logo in svg

LG GD350, Service Manual

Looking for a comprehensive Service Manual for LG GD350? You've come to the right place. Download the manual for free from our website, where you can access detailed instructions and troubleshooting tips for your LG GD350. Unlock the full potential of your device with our user-friendly manual.

Share
Download
background image

- 84 -

LGE Internal Use Only

Copyright © 2010 LG Electronics. Inc. All right reserved.

Only for training and service purposes

4. TROUBLE SHOOTING

ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ

83/140

4. TROUBLE SHOOTING

CIRCUIT

0

3

2

A

V

1

3

2

A

V

5

0

2

D

0

R

23

9

4

0

2

D

3

0

2

N

C

3

2

2

2

4

2

1

2

5

2

0

2

6

2

9

1

7

2

8

1

8

2

7

1

9

2

6

1

0

3

5

1

1

3

4

1

2

3

3

1

3

3

2

1

4

3

1

1

5

3

0

1

6

3

9

7

3

8

8

3

7

9

3

6

0

4

5

1

4

4

42

3

3

4

2

4

4

1

1

G

2

G

3

G

4

G

7

0

2

D

4

0

2

L

F

F

p

5

1

10

5

6

4

7

3

8

2

9

1

1

A

_

T

U

O

N

I

1

B

_

T

U

O

N

I

2

A

_

T

U

O

N

I

2

B

_

T

U

O

N

I

3

A

_

T

U

O

N

I

3

B

_

T

U

O

N

I

4

A

_

T

U

O

N

I

4

B

_

T

U

O

N

I

G

1

G

2

F

p

5

1

5

0

2

L

F

10

5

6

4

7

3

8

2

9

1

1

A

_

T

U

O

N

I

1

B

_

T

U

O

N

I

2

A

_

T

U

O

N

I

2

B

_

T

U

O

N

I

3

A

_

T

U

O

N

I

3

B

_

T

U

O

N

I

4

A

_

T

U

O

N

I

4

B

_

T

U

O

N

I

G

1

G

2

F

p

5

1

6

0

2

L

F

10

5

6

4

7

3

8

2

9

1

1

A

_

T

U

O

N

I

1

B

_

T

U

O

N

I

2

A

_

T

U

O

N

I

2

B

_

T

U

O

N

I

3

A

_

T

U

O

N

I

3

B

_

T

U

O

N

I

4

A

_

T

U

O

N

I

4

B

_

T

U

O

N

I

G

1

G

2

T

A

B

V

D

D

V

_

1

8

V

1

X

U

A

V

u

1

0

5

2

C

1

5

2

C

u

1

u

1

2

5

2

C

D

D

V

_

1

8

V

1

10

0K

R

23

6

D

N

I

R

23

7

P

U

K

C

A

B

V

8

0

2

D

8

3

2

R

0

0

1

p

7

2

4

5

2

C

6

0

2

D

D

I

_

D

C

L

T

E

S

E

R

_

D

E

L

n

0

0

A

T

A

D

_

D

C

L

1

0

A

T

A

D

_

D

C

L

3

0

A

T

A

D

_

D

C

L

2

0

A

T

A

D

_

D

C

L

4

0

A

T

A

D

_

D

C

L

5

0

A

T

A

D

_

D

C

L

7

0

A

T

A

D

_

D

C

L

6

0

A

T

A

D

_

D

C

L

S

C

_

D

C

L

n

S

R

_

D

C

L

R

W

_

D

C

L

n

C

N

Y

S

V

_

D

C

L

P

_

R

O

T

O

M

N

_

R

O

T

O

M

L

C

S

_

C

2

I

A

D

S

_

C

2

I

R

E

D

L

O

F

D

E

L

M

1

D

E

L

M

2

D

E

L

M

3

D

E

L

M

1

E

D

O

M

_

F

I

1

E

D

O

M

_

F

I

T

N

C

_

O

D

L

T

E

S

E

R

_

D

C

L

n

N

_

K

P

S

_

V

C

R

P

_

K

P

S

_

V

C

R

B

 

O

T

 

B

3

0

2

U

10

9

8

7

6

1

1

2

1

5

3

1

4

4

1

3

5

1

2

1

16

17

18

19

20

21

TH

ER

_G

N

D

C

1-

VI

N

C

1+

C

2+

VO

U

T

-

2

C

D

N

G

P

1

O

D

L

1

C

N

2

O

D

L

1

L

B

P

Y

B

2

L

B

3

C

N

F

I

W

S

B

L3

B

L4

A

G

N

D

G

R

EF

N

C

2

T

A

B

V

0

4

2

C

u

1

1u

C

24

1

u

7

.

4

2

4

2

C

n

2

2

3

4

2

C

10

0K

R

23

3

4

4

2

C

u

2

.

2

u

2

.

2

5

4

2

C

M

A

C

V

_

8

V

2

M

A

C

V

_

8

V

1

1

0

2

D

2

0

2

D

3

0

2

D

D

E

L

M

1

D

E

L

M

2

D

E

L

M

3

D

E

L

M

F

I

W

S

P

M

U

P

 

E

G

R

A

H

C

Summary of Contents for GD350

Page 1: ...Service Manual Model GD350 Internal Use Only Service Manual GD350 Date JANUARY 2010 Issue 1 0 ...

Page 2: ...splay LED Module SW Interface 64 4 TROUBLE SHOOTING 65 4 1 RF Component 65 4 2 RXTrouble 66 4 3TXTrouble 70 4 4 Power OnTrouble 74 4 5 ChargingTrouble 77 4 6VibratorTrouble 79 4 7 LCDTrouble 82 4 8 CameraTrouble 86 4 9 SpeakerTrouble 90 4 10 EarphoneTrouble 92 4 11 ReceiverTrouble 95 4 12 MicrophoneTrouble 97 4 13 SIM Card InterfaceTrouble 99 4 14 KEY backlightTrouble 101 4 15 Micro SD uSD Trouble...

Page 3: ... LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 4: ...acilities accessed through or connected to it The manufacturer 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 ...

Page 5: ...Attenuation Phone may interfere with sensitive laboratory equipment 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 whe...

Page 6: ...termediate Frequency IF International Portable User Identity IPUI Global System for Mobile Communications GSM General Purpose Interface Bus GPIB Gaussian Minimum Shift Keying GMSK Flexible Printed Circuit Board FPCB Electrostatic Discharge ESD Electrical Erasable Programmable Read Only Memory EEPROM Digital Signal Processing DSP dB relative to 1 milli watt dBm Digital Communication System DCS Digi...

Page 7: ...ceiver Transmitter UART Time Division Multiple Access TDMA Time Division Duplex TDD Travel Adapter TA Side Tone Masking Rating STMR Pseudo SRAM PSRAM Static Random Access Memory SRAM Sending Loudness Rating SLR Subscriber Identity Module SIM Surface Acoustic Wave SAW Real Time Clock RTC Root Mean Square RMS Receiving Loudness Rating RLR Radio Frequency RF Public Switched Telephone Network PSTN Pha...

Page 8: ...5 RSSI 85 dBm Charging time Approx 2 5 hours RX Sensitivity GSM EGSM 109dBm DCS 109dBm TX output power GSM EGSM 32 3dBm Level 5 DCS PCS 29 5dBm Level 0 SIM card type 3V 1 8V Display MAIN 2 0 TFT 176 Ý 220 pixel 262K Color SUB 23x5 Red LEDs Module Status Indicator Hard icons Key Pad 0 9 Up Down Left Right OK Key Send Key PWR Key Soft Key Left Right Camera Music Key ANT Internal EAR Phone Jack Yes P...

Page 9: ...ining and service purposes 2 PERFORMANCE ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 9 140 2 SYSTEM SPECIFICATION Travel Adapter Yes Speaker Receiver 18x12Ȱ Speaker Receiver MIDI SW MIDI Mono SPK Item Feature Comment Camera 2 0M FF Bluetooth FM Radio Bluetooth version 2 1 76 108MHz supported 18x12Ȱ Speaker Receiver ...

Page 10: ...Hz 2 Phase Error RMS 5 degrees Peak 20 degrees 3 Frequency Error 0 1 ppm 4 Power Level Level Power Toler Level Power Toler 6 31dBm 3dB 14 15dBm 3dB 7 29dBm 3dB 15 13dBm 3dB 8 27dBm 3dB 16 11dBm 5dB 9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 12 19dBm 3dB GSM850 EGSM 5 33dBm 2dB 13 17dBm 3dB Level Power Toler Level Power Toler 1 28dBm 3dB 9 12dBm 4dB 2 26dBm 3dB 10 10d...

Page 11: ...x dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 GSM850 EGSM 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 DCS PCS 6 Output RF Spectrum due to switching transient GSM850 EGSM Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21 1 800 24 Item Description Specifica...

Page 12: ...nsient Offset from Carrier kHz Max dBm 400 22 600 24 1 200 24 1 800 27 7 Spurious Emissions Conduction Emission Status 8 Bit Error Ratio GSM850 EGSM BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 11 3 dB 11 Sending Response 300 12 1 000 6 2 000 6 3 000 6 Frequency Hz Max dB Min dB 100 200 4 000 3 400 9 0 0 4 4 12 0 0 4 12 RLR 4 3 dB middle volu...

Page 13: ...0 2 12 0 2 2 14 STMR 17 dB Mean that Adopt a straight line in between 300 Hz and 1 000 Hz to be Max level in the range 15 Stability Margin 6 dB 20 10 0 7 dB to ARL dB Level Ratio dB 35 30 10 30 7 33 3 33 7 31 7 17 5 22 5 25 5 16 Distortion 17 Side Tone Distortion Three stage distortion 10 18 System frequency 13 MHz tolerance 2 5 ppm 19 32 768KHz tolerance 30 ppm 20 Ringer Volume At least 55 dBspl ...

Page 14: ...ntenna Display 2 1 1 0 Battery Bar Number Voltage 3 3 2 3 75 0 05 V 23 Battery Indicator 24 Low Voltage Warning Blinking Bar 3 61 0 05V Call 1 time per 1 minute Receiver 3 61 0 05V Standby 1 time per 3 minutes Speaker 25 Forced shut down Voltage 3 35 0 05V 27 Battery Type Lithium Polymer Battery Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 800mAh 28 Travel Charger Switching mo...

Page 15: ...ΣΟΒΝ ΆΤΖ ΟΝΪ 15 140 3 TECHNICAL BRIEF 3 1 Baseband Processor Introduction Figure 3 1 1 X Gold tm 213 Hardware Block Diagram 3 TECHNICAL BRIEF 3 TECHNICAL BRIEF 3 TECHNICAL BRIEF ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ X VX W 3 TECHNICAL BRIEF 3 1 Baseband Processor Introduction Figure 3 1 1 X Gold tm 213 Hardware Block Diagram 3 TECHNICAL BRIEF ...

Page 16: ...er Dual band direct conversion receiver Tri Quad band possible with external circuitry Fully integrated digital controlled X0 Additional buffer for 2 external system clocks Fully digital RF Synthesizer incl ȭȟ Transmitter 3 1 3 Baseband DSP 156 MHz TeakLite MCU ARM1176 208 MHz MCU RAM 3 00Mbit Memory I F 512 Mbit Modem GPRS class 12 RX TX CS1 CS4 EGPRS class 12 RX MCS1 MCS9 TX MCS1 MCS4 Cipher Uni...

Page 17: ...al Bus Unit 25 bit address bus 512 Mbit 16 bit data bus 1 8V 2 8V support Flash RAM NOR Type Serial Flash SPI and SPI 4 Parallel Flash Page Burst Mode 16 bit Demultiplexed 16 bit AD multiplexed 16 bit AAD multiplexed iNAND Type e g oneNAND Memory card SD MMC card interface with 1 or 4 data lines 3 1 5 Connectivity 3xUSIF configurable either as SPI or UART I2C I2S Interfaces 1 8V Direct U SIM 1 8 3...

Page 18: ...ential microphone inputs 3 1 7 FM Radio Integrated FM radio FM Stereo RDS Receiver Sensitivity 2 ɆV EMF Support for US EU bands Stereo recording 3 1 8 Power Management Direct to Battery Connection LDOs incl capless DC DC step down converter DC DC step up for white LED supply Battery Type Li Polymer Charging control Battery temperature Watchdog protection Start up on flat battery External Charger S...

Page 19: ... Video post processing Scaling Rotation 90 steps Mirroring Overlay with alpha blending Color conversion YUV RGB 2D vector graphics Lines filled rectangles Bit block transfer e g sprites scrolling antialiased bitmap fonts 3 1 11 Camera 2 0 Mpxls FF Frame Rate 15 UXGA 30 SVGA 39 MHz Pixel Rate 15 fps 2 0 Mpx full resolution 3 1 12 Video Capabilities Video Decoding MPEG 4 H 263 QCIF 30 fps QVGA 15fps...

Page 20: ...he power for a typical standard phone Figure 3 2 1 Block Figure of the PMU Modules X Gold tm 213 3 TECHNICAL BRIEF DC DC Step Down Converter for 1 8V SD1 The DC DC converter generates a 1 8V supply rail This voltage rail is used to supply main parts of the system like the digital core of the chip via LDO LCORE some parts of the mixed signal macro parts of the RF macro and the external memory if a ...

Page 21: ...startup state machine and analog parts like ADC sense amplifier etc LUSB The LUSB LDO generates the supply for the USB transceiver output driver and input If no USB interface is required LUSB can be used as general purpose LDO LAUX The LAUX generates VAUX It is a general purpose LDO and can be used for different functions depending on the phone application e g for the display or Camera LMMC The LM...

Page 22: ...t 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 22 140 3 TECHNICAL BRIEF Table 3 2 1 Power supply Domains without RF ...

Page 23: ...rtup state machine enters the SYSTEM OFF state and only continuous the startup procedure if a switch on event like first connect on key wake up or charge detect occurs PMU main State Machine The main PMU state machine is always connected to VPMU also The power up sequence driven by the PMU state machine can be seen in Figure18 After enabling the reference HPGB and waiting for the settling time the...

Page 24: ...D_CHARGE or VDDRTC as input voltage The input voltage is selected automatically by a bulk switch circuit LADC the ADC and the oscillator are enabled on request for every battery measurement if the charger unit is not running This is handled by an ADC control block in one of the state machines If the charger unit is running the ADC is controlled by the charger state machine 3 TECHNICAL BRIEF Figure...

Page 25: ...yright 2010 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 25 140 3 TECHNICAL BRIEF Figure 3 2 2 Second Main Part of the Startup State Machine in the VPMU Domain ...

Page 26: ...d as a functional key during phone operation also 3 2 4 Switching on due to RTC alarm The real time clock can generate a wakeup signal called RTC alarm This signal is sampled from the state machine and after successfully detecting a high the system is switched on 3 2 5 Switching on due to charging When a battery with a voltage below the SSONLEV level is inserted the state machine will not start th...

Page 27: ...ger state machine to enable the charger watchdog for safety 3 2 6 Power Supply Start up sequence In order to avoid an excessive drop on the battery voltage caused by in rush current during system power on possibly leading to system instability and hick ups a staggered turn on approach for the regulators is implemented The regulators are turned on in a well defined sequence thus spreading the in ru...

Page 28: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 28 140 3 TECHNICAL BRIEF Figure 3 2 3 Start Up Sequence triggered by First Connect Event ...

Page 29: ...tscu_n_o signal This signal controls for example the ɆC subsystem and releases reset for the controller During normal start up the PMU releases the reset_pmu_n_o signal after entering the SYSTEM ON state At this time the resetout_o signal is high the RESET_N pad is not pulled low and therefore the reset_postscu_n_o signal follows the reset_pmu_n_o signal That means the ɆC reset will be released an...

Page 30: ...RF macro During startup the PMU enables the DCXO After the system is running the DCXO is controlled by the SCU of the baseband by using the vcxo_enable signal This is handled by a dedicated logic in the PMU see Figure 21 As long as rf_sysclk_en_pmu the output of the PMU state machine is high vcxo_enable controls the rf_sysclk_en signal to the RF If rf_sysclk_en_pmu is low the DXCO is switched off ...

Page 31: ...signal That means all PMU register are reset in OFF state For details about the SW reset see chapter External Reset Handling 3 2 9 Undervoltage Shutdown In active mode the PMU periodically measures the battery voltage using the ADC from the charger unit If the battery is measured to be below the programmable shut down level called SYSOFF the system changes to OFF mode This is done via the SHUTDOWN...

Page 32: ...rter SD1 can be configured to change the output voltage to a lower value for additional power saving VCXO_enable is also used to deactivate the HPBG and setting LDO LPMU in the ultra low power mode In addition the DCXO is switched off by the VCXO_enable signal The VCXO_enable signal is also used to switch some LDO s software configured to sleep and or off mode or to change the output voltages of s...

Page 33: ...edance matching circuitry for 50 ȳ input and output impedances TX harmonics filtering high linearity and a low insertion loss PHEMT RF switch and a Power Amplifier Control PAC block with internal current sense resistor A custom BiCMOS integrated circuit provides the internal PAC function and decoder circuitry to control the RF switches The two Heterojunction Bipolar Transistor HBT PA blocks are fa...

Page 34: ...0 3 R 0 1 1 4 0 3 R K 1 3 0 3 R 0 1 1 2 0 3 R T A B V U300 4 3 5 3 6 3 6 1 5 1 4 1 3 1 2 1 1 1 0 1 1 3 2 3 3 3 17 9 18 8 19 7 20 6 21 5 22 4 23 3 24 2 5 2 6 2 7 2 8 2 9 2 0 3 1 1 D N G T T A B V N I _ S C P _ S C D 7 1 D N G N I _ M S G 6 1 D N G 5 1 D N G VLOGIC GND14 VRAMP GND13 TX_EN GND12 BS1 GND11 BS2 GND10 GND2 GND9 GND3 GND8 GND4 ANT 3 D N G P 2 D N G P 1 D N G P 5 D N G 1 X R 2 X R 3 X R 4...

Page 35: ...g curve some digital predistortion of the AFC word is required This predistortion is performed by the linearization unit for crystal oscillator LUXO The LUXO calculates the corresponding DIG value according to the given AFC value Figure 3 4 1 Crystal Oscillator External Connection The X GOLDTM213 RF Subsystem contains a fully integrated 26 MHz digitally controlled crystal oscillator designed for 8...

Page 36: ...system of PMB8810 U100 3 5 1 GENERAL DESCRIPTION The PMB8810 RF subsystem is designed for dual band GSM voice and data applications GPRS class 12 The system can be configured to support one low band GSM850 or EGSM900 and one high band DCS1800 or PCS1900 A block diagram of the RF subsystem is given in Figure 3 4 1 Figure 3 5 1 Block DIAGRAM of RF Subsystem 3 TECHNICAL BRIEF ...

Page 37: ... to achieve a matching without external high quality inductors By use of frequency dividers by 2 4 the LO frequency is derived from the RF frequency synthesizer The receive path is fully differential to suppress the on chip interferences and reduce DC offsets The analog chain of the receiver contains two LNAs low high band a quadrature mixer followed by an analog baseband filter and 14 bit continu...

Page 38: ...without any external components Up and down ramping is performed via the ramping DAC connected to VRAMP RF synthesizer The RF subsystem contains a fractional N sigma delta synthesizer for the frequency synthesis Respective to the chosen band of operation the phase locked loop PLL operates at twice or forth of the target signal frequency In receive operation mode the divided output signal of the di...

Page 39: ...puts FE1 FE2 for direct control of antenna switch modules enable to select RX and TX mode as well as low and high band operation An extra band select signal PABS for the power amplifier is used to support discrete PA and switching modules Time accurate power dissipation of the PA is achieved by the control signal PAEN A minor set of power amplifiers require a bias voltage to enhance power efficien...

Page 40: ... 3 TECHNICAL BRIEF 3 5 2 4 Power Supply To increase power efficiency most parts of the RF subsystem are supplied by the DCDC converter situated in the PMU subsystem Conversion of the 1 8 V output voltage of the DCDC to the 1 3 V 1 4 V circuit supply voltages is achieved by several Low DropOut regulators LDO One embedded direct to battery LDO provides the 2 5 V supply voltage for the remaining circ...

Page 41: ...ormance at low voltage on a 16 bit data bus The flash memory device has a multi partition architecture with read while program and read while erase capability The device supports synchronous burst reads up to 108 MHz using ADV and CLK address latching legacy latching on some litho density combinations and up to 133 MHz using CLK address latching only on some litho density combinations It is listed...

Page 42: ...ple ultra low power design In addition to voltage flexibility a dedicated VPP connection provides complete data protection when VPP is less than VPPLK A Status Register provides status and error conditions of erase and program operations One Time Programmable OTP registers allow unique flash device identification that can be used to increase flash content security Also the individual block lock fe...

Page 43: ... the Bluetooth Radio Specification and enhanced data rate specification and meets or exceed the requirement to provide the highest communication link quality of service ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 44 140 3 7 BT module 3 TECHNICAL BRIEF Figure 3_7_1 BT BLOCK DIAGRAM This module has an integrated radio transceiver that has been optimized for use in 2 4GHz Bluetooth Wireless systems It has been designed to ...

Page 44: ...f the PA combined with some integrated filtering no External filters are requires for meeting Bluetooth and regulatory harmonic and spurious requirements For integrated mobile handset applications where Bluetooth is integrated next to the celluar radio minimal external filtering can be applied to achieve near thermal noise levels for spurious and radiated noise emissions Using a highly linearized ...

Page 45: ...1 8 3V SIM Card 3 TECHNICAL BRIEF 0 0 1 J 8 9 7 0 1 3 6 2 5 1 4 1 C 5 C 2 C 6 C 3 C 7 C 1 D N G 4 D N G 2 D N G 3 D N G M I S V _ 5 8 V 2 8 3 1 C p 2 2 1 0 1 D 4 7K R119 M I S V _ 5 8 V 2 u 1 0 9 3 1 C I N D 0 4 1 C 2 0 1 D 3 0 1 D p 2 2 1 4 1 C A T A D _ M I S K L C _ M I S T S R _ M I S N N O C M I S ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 46 140 3 8 SIM Card Interface Figure 3 8 1 SIM CARD Interface Signal Descri...

Page 46: ...rface method that enables low power The LH200J07 TH02 is intended to support applications where thin thickness low power are critical factors and graphic display are important In combination with the vertical arrangement of the sub pixels the LH200J07 TH02 characteristics provide an High quality display for mobile phone application 3 TECHNICAL BRIEF 3 0 1 N C 9 1 8 1 0 2 7 1 1 2 6 1 2 2 5 1 3 2 4 ...

Page 47: ...r other peripheral circuits The SC624 uses the proprietary SemWireTM single wire interface The interface controls all functions of the device including backlight current and two LDO voltage outputs The single wire implementation minimizes microcontroller and interface pin counts In sleep mode the device reduces quiescent current to 100ɆA while continuing to monitor the serial interface The two LDO...

Page 48: ...variation in the forward voltages ȟVF of the LEDs A ȟVF of 1 2V is supported when the input voltage is at 3 0V Higher ȟVF LED mis match is supported when VIN is higher than 3 0V All current sink outputs are compared and the lowest output is used for setting the voltage regulation at the VOUT pin This is done to ensure that suffi cient bias exists for all LEDs The backlight LEDs default to the off ...

Page 49: ...sly monitoring for input overvoltage and device over temperature The charge current and termination threshold are programming by simple one wire serial interfaces The charger status is indicated by two open drain outputs The AC adapter charger current is programming by external ISET1 resistor while USB charge current is programming either 90mA or 400mA through one wire interface The MAX8922 is ava...

Page 50: ... K 2 1 2 B K 3 1 2 B K 4 1 2 B K 5 1 2 B K 6 1 2 B K 7 1 2 B K 8 1 2 B K 9 1 2 B K 0 2 2 B K 1 2 2 B K 2 2 2 B K 1 0 2 A V 2 0 2 A V 3 0 2 A V 4 0 2 A V VA205 VA206 VA207 0 8 6 3 0 2 R 0 2 8 4 0 2 R 5 0 2 R 0 2 8 0 2 8 6 0 2 R 7 0 2 R 0 2 8 8 0 2 R 0 8 6 0 8 6 9 0 2 R 0 2 8 0 1 2 R 1 1 2 R 0 2 8 0 2 8 2 1 2 R 0 N I _ P K 1 N I _ P K 2 N I _ P K 3 N I _ P K 4 N I _ P K 0 T U O _ P K 1 T U O _ P K 3...

Page 51: ...nded by up to 8 keys This results in a maximum number of 72 keys to by identified by the Keypad Interface Controller The Keypad Scan Module reduces the number of interrupts and polling through the processor and therefore reduces the power consumption The module is able to debounce and scan the external keypad matrix automatically without any software intervention After debouncing it generates an i...

Page 52: ...t subsequently It features a high quality stereo digital to analog path with amplifier stages for connecting acoustic transducers to X GOLD 213 In audio in path the supply voltage generation for electret microphones a low noise amplifier and analog to digital conversion are integrated in X GOLD 213 A more detailed functional description will be given in the following sections The audio front end i...

Page 53: ...functions of the voiceband filters have to be implemented in firmware on TEAKLite 3 TECHNICAL BRIEF Figure 3 12 2 Overview of Clocking and Interfaces of Audio Front End ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 54 140 The audio front end of X GOLD 213 has the following major operation modes Power down All analog parts are in power down and all clocks of the digital part are switched off Audio mode Digital decimation i...

Page 54: ...ction The DAC outputs can be switched to several output buffers In audio in section there is an input multiplexer which selects either one of two differential microphone inputs to be connected to the low noise amplifier and analog pre filter The signals from the analog pre filter are input to a second order sigma delta analog to digital converter In addition there is a connection for FM radio play...

Page 55: ...ey can work unipolar mode where an AC coupling of the headset might be needed or can work also in bipolor mode The differential loudspeaker driver can be used to drive a 8 ȳ loudspeaker As it is a class D amplifier the needed suppression of the higher harmonics of the switching signals has to be achieved by the external circuitry The buffers are designed to be short circuit protected 3 TECHNICAL B...

Page 56: ...ow noise amplifier and following pre filter with gain control a second order ȭȟ converter and a digital decimation filter It supports both standard GSM bandwidth 3 5 kHz and wideband bandwidth 7 kHz speech bands The differential input signal from the microphone first passes a low noise amplifier and following pre filter and an anti aliasing pre filtering stage achieving and overall variable gain r...

Page 57: ...on mode with improved noise performance In case of an digital microphone VMIC can be used for supplying this microphone Figure 3 12 5 Typical Microphone Supply Generation alternative 3 TECHNICAL BRIEF Microphone Supply X GOLD 213 has a single ended power supply concept for electret microphones For both modes a minimal load capacitance of t b d nF is necessary to guarantee stable operation of the b...

Page 58: ... master interface Programming is done by register read write transactions using an AHB slave interface 3 TECHNICAL BRIEF Figure 3 13 1 Block Diagram of Camera Interface ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 59 140 3 13 Camera Interface 2M Fixed Focus Camera 3 13 1 PMB8810 Camera Interface The Camera Interface CIF represents a complete video and still picture input interface see Figure 26 The CIF contains image pro...

Page 59: ...n Continuous resize support Frame skip support for video e g MPEG 4 encoding Macro block line frame end capture error data loss interrupts and sync h_start v_start interrupts Programmable polarity for synchronization signals Luminance chrominance and chrominance blue red swapping for YUV input signals Maximum input resolution of 3 Mpixels 2048x1536 pixels Main scaler with pixel accurate up and dow...

Page 60: ...ducing current consumption Figure 3 14 1 Key Backlight Block 3 TECHNICAL BRIEF u 1 0 4 6 2 C VA214 0 0 2 Q 1 2 3 VA215 R246 75 K 2 1 2 2 2 R 8 0 2 A V T A B V R245 75 VA209 0 0 2 D L 1 0 2 D L 2 0 2 D L 3 0 2 D L R244 75 R243 75 N E _ L B _ Y E K D E L Y E K ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 61 140 3 14 KEY BACLKLIGHT LED Interface Key Backlight LED is controlled by switch Q200 If KEY_BL_EN is high Current is ...

Page 61: ...upport PWM signal which generated by hardware itself via register control Direct connect to the VIB and VSSVIB pin from XMM2130 without any external component required It is capable to driver the vibrator motor up to 150mA Figure 3 15 1 Vibrator Driver Block Diagram 3 TECHNICAL BRIEF Figure 3 15 2 Vibrator Driver Block 0 0 1 B V 2 1 3 0 1 D u 1 3 0 1 C p 3 3 4 0 1 C 18n L100 P _ R O T O M ...

Page 62: ...ond to the magnetic field If it is used for mobile phones It is used for opening of the folder A little magnet attached to the folder If folder is opened Hall sensor is ON Therefore to see whether the opening of the folder Figure 3 16 1 Hall effect switch Block Diagram 3 TECHNICAL BRIEF 0 0 1 U 5 2 3 1 4 T U O D D V D N G C N PGND u 1 7 0 1 C 0 0 1 A V 2 2 0 0 1 R D D V _ 1 8 V 1 R E D L O F C I l...

Page 63: ... dot Pitch between dots 1 2mm Figure 3 17 LED Module Interface 3 TECHNICAL BRIEF 2 0 1 N C 6 5 7 4 8 3 9 2 0 1 1 1 G 2 G T A B V u 1 0 5 0 1 C D D V _ 1 8 V 1 6 0 1 C u 1 0 u 1 0 0 0 1 C L C S _ C 2 I A D S _ C 2 I T N C _ O D L T E S E R _ D E L n T A B V ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 64 140 3 17 Sub Display LED Module SW Interface LED Module is interfaced to BB IC with I2C Illumination Color RED Display ...

Page 64: ...ternal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 66 140 66 140 4 1 RF Component 4 TROUBLE SHOOTING Figure 4 1 U101 Memory 512NOR 128pSDRAM PF38F5060M0Y3DF U100 PMB8810 Main Chip A GOLDRADIO U300 FEM Tx Module X100 Crystal 26MHz Clock U100 U300 X100 U101 4 TROUBLE SHOOTING SW300 4 TROUBLE SHOOTING ...

Page 65: ... ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 67 140 START Re download SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 2 Check Mobile SW TX module 4 2 RX Trouble CHECKING FLOW 4 TROUBLE SHOOTING 3 Check PLL Control 4 TROUBLE SHOOTING ...

Page 66: ...e next page to check PLL Circuit Yes Replace X100 Figure 4 2 2 Figure 4 2 3 1 1 A 1 1 B 2 1 K 1 1 K 2 B 3 A 3 B 2 A 8 J 7 H T S R M _ D X R _ 2 F I S U N _ S T R _ 2 F I S U N _ S T C _ 2 F I S U R S T M _ D X T _ 1 F I S U T S R M _ D X R _ 1 F I S U N _ S T R _ 1 F I S U N _ S T C _ 1 F I S U S U L P D S U N I M D X O X O X z H M 6 2 0 0 0 1 0 S C A 0 0 S X E 0 0 1 X 2 1 3 4 D N G L A T X 1 R E ...

Page 67: ...HECKING FLOW 4 TROUBLE SHOOTING Check TP1 of SW300 TP1 Signal is OK Replace Mobile SW SW300 Yes No Yes Mobile SW TX Module is OK Check PMB8810 Control Signal is VLogic BS1 BS2 OK No Yes Check TP4 of U300 Replace FEM U300 TP2 High Band TP3 Low Band Signal is OK No Yes EGSM Rx Π Ε Ζ ͽ ͺ ʹ Ω ΐ Ͷ Ϳ ͳ ͳ Υ Β Ο Ε Γ Ϊ Ή Ή Ή Ω Ω Ͷ Ω ʹ Ω ʹ ͽ ͳ ΐ Ω Ή ͳ ΐ Ω Ή 2 Checking Mobile SW FEM ...

Page 68: ... 0 3 T N A K 0 1 4 1 3 R T A B V z H M 5 7 z H M 5 2 4 8 1 1 0 3 L F 0 1 3 5 2 6 4 7 8 9 1 1 T U P N I 2 T U P T U O 1 T U P T U O 2 D N G 2 T U P N I 1 D N G 1 D N G _ C 3 D N G _ C 2 D N G _ C 4 D N G _ C U300 4 3 5 3 6 3 6 1 5 1 4 1 3 1 2 1 1 1 0 1 1 3 2 3 3 3 17 9 18 8 19 7 20 6 21 5 22 4 23 3 24 2 5 2 6 2 7 2 8 2 9 2 0 3 1 1 D N G T T A B V N I _ S C P _ S C D 7 1 D N G N I _ M S G 6 1 D N G ...

Page 69: ... 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 71 140 4 3 TX Trouble START Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit CHECKING FLOW 4 TROUBLE SHOOTING 2 Check Mobile SW FEM 3 Check PLL Control ...

Page 70: ...e next page to check PLL Circuit Yes Replace X100 Figure 4 3 2 Figure 4 3 3 1 1 A 1 1 B 2 1 K 1 1 K 2 B 3 A 3 B 2 A 8 J 7 H T S R M _ D X R _ 2 F I S U N _ S T R _ 2 F I S U N _ S T C _ 2 F I S U R S T M _ D X T _ 1 F I S U T S R M _ D X R _ 1 F I S U N _ S T R _ 1 F I S U N _ S T C _ 1 F I S U S U L P D S U N I M D X O X O X z H M 6 2 0 0 0 1 0 S C A 0 0 S X E 0 0 1 X 2 1 3 4 D N G L A T X 1 R E ...

Page 71: ...LE SHOOTING Check TP2 TP3 Mobile SW FEM is OK Yes TP5 signal same as TP1 Replace SW300 No Yes Replace PMB8810 U100 TP2 High Band TP3 Low Band Signal is OK No Yes Check PMB8810 Control Signal is VLogic TX EN BS1 BS2 OK No Yes Yes Check TP4 of U300 TP1 Signal is OK ReplaceFEM U300 No EGSM Tx Π Ε Ζ ͽ ͺ ʹ Ω ΐ Ͷ Ϳ ͳ ͳ Υ Β Ο Ε Γ Ϊ Ή Ή Ή Ω Ω Ͷ Ω ʹ Ω ʹ ͽ ͳ ΐ Ω Ή ͳ ΐ Ω Ή 2 Checking Mobile SW TX Module ...

Page 72: ... 0 3 T N A K 0 1 4 1 3 R T A B V z H M 5 7 z H M 5 2 4 8 1 1 0 3 L F 0 1 3 5 2 6 4 7 8 9 1 1 T U P N I 2 T U P T U O 1 T U P T U O 2 D N G 2 T U P N I 1 D N G 1 D N G _ C 3 D N G _ C 2 D N G _ C 4 D N G _ C U300 4 3 5 3 6 3 6 1 5 1 4 1 3 1 2 1 1 1 0 1 1 3 2 3 3 3 17 9 18 8 19 7 20 6 21 5 22 4 23 3 24 2 5 2 6 2 7 2 8 2 9 2 0 3 1 1 D N G T T A B V N I _ S C P _ S C D 7 1 D N G N I _ M S G 6 1 D N G ...

Page 73: ...age 3 35V Push power on key And check the level change into high of POWERKEY Check the voltage of The LDO outputs at U100 Is the phone power on The phone will Properly operating Charge or Change Battery Check the contact of power key Or dome switch Replace U100 Does it work properly Replace the main board YES YES YES YES NO NO NO NO NO CHECKING FLOW Replace U100 and Re download software 4 4 Power ...

Page 74: ...Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 76 140 4 TROUBLE SHOOTING Figure 4 1 VPMU VRTC VCORE VUSB VMMC VAUX VDDMS VDDXO VDDTDC VDD_VRF2 U100 TEST POINT ...

Page 75: ...CORE VDD1V8CP VSSLSR VSSTRX VSSRX VDD1V81 VRAMP VSS_DIG VDDMS VDDXO VDDTDC VDDMMD VDDNEG VBAT VSSDCO VAUX VSSXO VMMC VUSB VDDRF2 VRF1 VSS_LO VSSRF VRTC SENSEN SENSEP VDDCHG CS CSB VCHG VSHNT VBAT 1V81_VDD VCORE VPMU VDDMS VDDXO VDDTDC u 3 3 0 0 1 C 3 3u L100 u 1 0 3 0 1 C VBAT 1V81_VDD 1V81_VDD 5 0 1 C u 1 0 1V81_VDD u 1 0 6 0 1 C 7 0 1 C u 1 0 n 0 2 2 1 1 1 C 2 1 1 C u 1 0 1V81_VDD 1V81_VDD VRTC_...

Page 76: ... I O Connector CN201 well soldered Check the voltage at Pin 1 of MAX8922ETD 5 1V YES YES Battery is charged YES Charging is properly operating NO NO NO Resolder the CN201 Pin 1 VBUS_USB The TA is out of order Change the TA Replace the main board CHECKING FLOW 4 TROUBLE SHOOTING Battery is charged NO Change the battery Charging is properly operating YES 4 5 Charging Trouble ...

Page 77: ...RCUIT Figure 4 5 4 TROUBLE SHOOTING CN201 U201 VBAT LDO_OUT R230 3 3k 5 6 2 C u 1 0 1 0 2 U 11 3 7 6 8 9 5 2 4 0 1 1 N I T A B O D L T E S I N I M I K O P _ G H C _ T E S _ N E _ T S E T GND PGND 3 3k R229 B S U _ S U B V T A B V D D V _ 1 8 V 1 DNI R228 u 1 1 2 2 C 2 2 2 C u 1 0 100K R231 D D V _ 1 8 V 1 1 0 2 P T 0 2 2 C u 1 T U O _ O D L C O E N E _ G H C 1 C I R E G R A H C ...

Page 78: ...ING FLOW SETTING Enter the engineering mode and set vibrator on at vibration of BB test menu Check the soldering of vibrator Resolder the Pad YES Replace the U100 NO Is the voltage at Pin41 high Is I O Connector CN101 well soldered NO Resolder the CN101 Pin 41 MOTOR_P Pin42 MOTOR_N YES Replace Main FPCB NO Is the voltage at VB100 high Is the connection of CN101 with CN203 connector ok Reassemble F...

Page 79: ...al Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 81 140 4 TROUBLE SHOOTING TEST POINT Figure 4 6 Vibrator PAD CN101 CN203 ...

Page 80: ...UIT Main IC U100 L16 A4 R8 T8 F10 E9 C9 B9 D9 KP_OUT0 KP_OUT1 KP_OUT2 KP_OUT3 KP_OUT5 VIB VSS_VIB CLKOUT0 MOTOR_P MOTOR_N KP_OUT0 KP_OUT1 KP_OUT3 KP_OUT5 KP_OUT2 CLK32K 1 0 1 N C 9 8 7 6 5 4 3 2 1 1 G 2 G 4 4 3 4 42 1 4 0 4 9 3 8 3 7 3 6 3 P U K C A B V 3 D E L M 1 D E L M 2 D E L M D E L M P _ R O T O M 0 0 1 B V 2 1 3 0 1 D u 1 3 0 1 C p 3 3 4 0 1 C 18n L100 P _ R O T O M Main IC U100 ...

Page 81: ...onnector NO Check the Voltage Level of C242 is about Battery voltage SWIF signal is high Level NO YES YES Check the Waveform of EMI filter Resoldering or Replace U203 NO Resoldering EMI filter FL204 FL205 FL206 Does LCD work properly Replace LCD module LCD working well YES CHECKING FLOW Is the connection of CN101 with CN203 connector ok YES NO Reassemble FPCB with Main connector NO YES Check the W...

Page 82: ...ronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 84 140 4 TROUBLE SHOOTING TEST POINT Figure 4 7 CN203 FL204 FL205 FL206 CN101 CN103 U203 C242 R233 ...

Page 83: ... O N I 3 B _ T U O N I 4 A _ T U O N I 4 B _ T U O N I G1 G2 T A B V D D V _ 1 8 V 1 X U A V u 1 0 5 2 C 1 5 2 C u 1 u 1 2 5 2 C D D V _ 1 8 V 1 100K R236 DNI R237 P U K C A B V 8 0 2 D 8 3 2 R 0 0 1 p 7 2 4 5 2 C 6 0 2 D D I _ D C L T E S E R _ D E L n 0 0 A T A D _ D C L 1 0 A T A D _ D C L 3 0 A T A D _ D C L 2 0 A T A D _ D C L 4 0 A T A D _ D C L 5 0 A T A D _ D C L 7 0 A T A D _ D C L 6 0 A ...

Page 84: ...ΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 84 140 4 TROUBLE SHOOTING Waveform Graph 4 7 1 LCD Backlight Control Signal Waveform Graph 4 7 2 LCD Data Waveform LCD_BACKLIGHT_SWIF LCD_RS LCD_CS LCD_WR ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 84 140 4 TROUBLE SHOOTING Waveform Graph 4 7 1 LCD Backlight Control Signal Waveform Graph 4 7 2 LCD Data Waveform LCD_BACKLIGHT_SWIF LCD_RS LCD_CS LCD_WR ...

Page 85: ...l is high Level Does Camera work properly Check the Waveform of I2C_CLK I2C_DATA CAM_MCLK 26MHz Check the Waveform of EMI filter Check the Waveform of Data pins on CN204 START Camera working well CHECKING FLOW 4 TROUBLE SHOOTING NO Reassemble camera connector with camera NO YES YES Resoldering or Replace U203 NO Replace U100 or Change the board YES YES YES YES NO Replace U100 or Change the board N...

Page 86: ...tronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 88 140 4 TROUBLE SHOOTING TEST POINT C245 U203 CN204 FL202 FL201 C244 C248 C247 C246 Figure 4 8 ...

Page 87: ...3 0 2 P T 4 0 2 P T 0 0 1 4 3 2 R R235 100K I N D 9 4 2 C 5 0 2 P T 4 0 2 N C 3 1 2 1 4 1 1 1 5 1 0 1 6 1 9 7 1 8 8 1 7 9 1 6 0 2 5 1 2 4 2 2 3 3 2 2 4 2 1 N D W P _ M A C 0 0 A T A D _ M A C 1 0 A T A D _ M A C 2 0 A T A D _ M A C 3 0 A T A D _ M A C 4 0 A T A D _ M A C 5 0 A T A D _ M A C L C S _ C 2 I A D S _ C 2 I C N Y S H _ M A C C N Y S V _ M A C T S R _ M A C 7 0 A T A D _ M A C 6 0 A T A ...

Page 88: ...e Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 88 140 4 TROUBLE SHOOTING Waveform Graph 4 8 1 I2C Data Waveform Graph 4 8 3 CAM_VSYNC vs CAM_HSYNC Waveform Graph 4 8 2 MCLK Waveform Graph 4 8 4 CAM_HSYNC vs CAM_PCLK Waveform I2C_DATA CAM_RESET CAM_MCLK CAM_MCLK 26MHz CAM_VSYNC CAM_HSYNC 26MHz CAM_HSYNC CAM_PCLK ...

Page 89: ...3 Check the state of contact of speaker Speaker Working well Check the Audio signal C224 C226 Yes Check the Audio signal FB200 FB201 Yes Yes No No No 4 9 Speaker Trouble ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 91 140 START Cal l Check the state of contact of speaker Speaker Working well Check the Audio signal C223 C225 No Yes Change the U100 Replace Change speaker No CHECKING FLOW Check the Audio signal FB200 FB201 ...

Page 90: ... p 9 3 8 2 2 C C231 2 2u 2 3 2 C u 1 0 3 3 2 C u 2 2 u 2 2 4 3 2 C u 1 0 5 3 2 C D D V _ 1 8 V 1 T A B V u 1 6 3 2 C u 7 4 7 3 2 C R232 100K u 1 0 8 3 2 C L C S _ C 2 I A D S _ C 2 I L _ O S H R _ O S H L _ S H N _ V C R P _ V C R N _ K P S _ V C R P _ K P S _ V C R R _ S H P M A O I D U A 4 1 R 6 1 M 5 1 M N P E P P E N _ V C R P _ V C R 1 0 2 C n 5 1 0 0 2 U 5 B 5 C B2 C1 C2 3 C 2 A 4 C 3 D 1 D ...

Page 91: ...or Resolder FB203 R204 R218 C209 C211 or Change the U200 U100 4 TROUBLE SHOOTING Check the pin 8 in CN201 is LOW Resolder FB200 FB201 C223 C224 Mp3 4 10 Earphone Trouble ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 93 140 START Resolder CN201 YES Earphone will work properly Can you hear your voice from the earphone Set the audio part of the test Equipment to echo mode Change the earphone and try again NO Can you hear the...

Page 92: ...B 1 A 3 C 3 E 2 C 2 D 1 C 3 A 1 D 4 A 1 E B4 B1 VDD LSVDD M N I T U O S L M N I T U O S L L N I T E S R N I L P H S S A P Y B D D V C 2 I A D S L C S R P H GND CPVSS C1N C1P CPGND C223 1u 220n C224 1u C225 C226 220n 7 2 2 C p 9 3 p 9 3 8 2 2 C C231 2 2u 2 3 2 C u 1 0 3 3 2 C u 2 2 u 2 2 4 3 2 C u 1 0 5 3 2 C D D V _ 1 8 V 1 T A B V u 1 6 3 2 C u 7 4 7 3 2 C R232 100K u 1 0 8 3 2 C L C S _ C 2 I A ...

Page 93: ... V 1 u 2 2 2 0 2 C B S U _ S U B V DNI R242 7 1 2 R K 2 2 1800 2 0 2 B F u 2 2 4 0 2 C R218 2 2K p 7 2 6 0 2 C 7 0 2 C p 7 2 p 9 3 8 0 2 C 22n C209 p 0 2 1 0 1 2 C C211 22n T A B V u 1 3 0 2 C P D _ B S U M D _ B S U T N I _ W S U L C S _ C 2 I A D S _ C 2 I X R _ T R A U X T _ T R A U L _ O S H D I _ W S U P _ C I M _ S H N _ C I M _ S H R _ O S H M D _ W S U P D _ W S U C I U M 1000 4 0 2 B F 2 ...

Page 94: ...Change the U100 YES Receiver will work properly SETTING After initialize Agilent 8960 Test EGSM900 DCS mode or GSM850 PCS mode Set the property of audio as PRBS or continuous wave Set the receiving volume of mobile as Max Is receiver connected Properly YES NO Resolder Change the receiver CHECKING FLOW 4 TROUBLE SHOOTING Does waveform at FB200 and FB201 Fluctuate No Replace Change the U202 Yes 4 11...

Page 95: ... 8 2 2 C C231 2 2u 2 3 2 C u 1 0 3 3 2 C u 2 2 u 2 2 4 3 2 C u 1 0 5 3 2 C D D V _ 1 8 V 1 T A B V u 1 6 3 2 C u 7 4 7 3 2 C R232 100K u 1 0 8 3 2 C L C S _ C 2 I A D S _ C 2 I L _ O S H R _ O S H L _ S H N _ V C R P _ V C R N _ K P S _ V C R P _ K P S _ V C R R _ S H P M A O I D U A 4 1 R 6 1 M 5 1 M N P E P P E N _ V C R P _ V C R 1 0 2 C n 5 1 0 0 2 U 5 B 5 C B2 C1 C2 3 C 2 A 4 C 3 D 1 D 4 D 1 ...

Page 96: ...r initialize Agilent 8960 Test EGSM900 DCS mode or GSM850 PCS mode YES Check the signal Level at each side of MIC200 Is it a few tens mV AC Check the soldering of C260 C261 Make a phone call then check C258 mic bias signal comes from U100 NO Change the microphone YES NO Resolder component CHECKING FLOW 1 Check mic Bias signal line 2 Change the U100 Check microphone sound hole 4 TROUBLE SHOOTING 4 ...

Page 97: ...Ζ ΟΝΪ 98 140 TEST POINT CIRCUIT Figure 4 12 4 TROUBLE SHOOTING MIC200 C258 C260 C261 U100 0 0 2 C I M 6 5 4 3 2 1 T U O 1 G 2 G 3 G R W P 4 G C I M V n 0 0 1 4 0 2 L 7 5 2 C p 9 3 u 0 1 8 5 2 C p 9 3 9 5 2 C C260 0 1u 0 1u C261 0 1 2 A V 2 6 2 C p 9 3 p 9 3 3 6 2 C 1 1 2 A V N _ C I M P _ C I M 3 1 R 2 1 T 2 1 R 1 N C I M 1 P C I M N _ C I M P _ C I M ...

Page 98: ...d This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin1 of J100 2 85V or 1 8V NO Change the U100 NO YES Resolder J100 YES Voltage output of VSIM LDO 2V85_VSIM Is 2 85V Change the SIM Card And try again Does it work Properly YES SIM card is properly working redownload SW Does it work Properly NO Change the main board NO YES SIM card is properly working CHECKING FLOW 4 TROUBLE SHOOTING ...

Page 99: ... 140 TEST POINT CIRCUIT Figure 4 13 4 TROUBLE SHOOTING PIN 1 PIN 3 PIN 6 PIN 4 J100 2V85_VSIM 0 0 1 J 8 9 7 0 1 3 6 2 5 1 4 1 C 5 C 2 C 6 C 3 C 7 C 1 D N G 4 D N G 2 D N G 3 D N G M I S V _ 5 8 V 2 8 3 1 C p 2 2 1 0 1 D 4 7K R119 M I S V _ 5 8 V 2 u 1 0 9 3 1 C I N D 0 4 1 C 2 0 1 D 3 0 1 D p 2 2 1 4 1 C A T A D _ M I S K L C _ M I S T S R _ M I S N N O C M I S ...

Page 100: ...of Q200 low at KEY_BL_EN high NO Check Q200 Are all LEDs Working NO YES Check the soldering each R and LED Backlight will work properly NO Replace or resolder component CHECKING FLOW YES CIRCUIT 4 14 KEY backlight Trouble u 1 0 4 6 2 C VA214 0 0 2 Q 1 2 3 VA215 R246 75 K 2 1 2 2 2 R 8 0 2 A V T A B V R245 75 VA209 0 0 2 D L 1 0 2 D L 2 0 2 D L 3 0 2 D L R244 75 R243 75 N E _ L B _ Y E K D E L Y E ...

Page 101: ...ght 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 102 140 4 TROUBLE SHOOTING TEST POINT 3 pin of Q200 LD202 LD203 LD201 LD200 Main BOTTOM Main TOP Figure 4 14 ...

Page 102: ...TING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 103 140 4 TROUBLE SHOOTING Micro SD Card will work properly Micro SD Detect OK START Re attach or Replace S100 NO YES uSD_DET R126 Is High NO YES Check out MC_CLK Data Timing OK Re download SW NO YES YES Replace Micro SD Card CHECKING FLOW Check the VMMC C142 2 8V YES NO Change U100 4 15 Micro SD uSD Trouble ...

Page 103: ...training and service purposes 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 104 140 4 TROUBLE SHOOTING TEST POINT CIRCUIT S100 VMMC uSD_DET Figure 4 15 N N O C D S u 8 7 6 5 4 3 2 1 G5 G3 G1 SW C1 C2 C3 C4 C5 C6 C7 C8 G6 G4 G2 COM 1V81_VDD VMMC uSD_D3 uSD_CMD uSD_D0 uSD_D1 uSD_DET uSD_CLK uSD_D2 ...

Page 104: ...TING Is Ant condition good START Check of BT Ant condition NO YES CHECKING FLOW YES BT will work properly Check condition of matching components L301 L305 Is components condition good NO YES Give the additory s older in L301 L305 Replace Ant303 Check Bias Voltage VAUX at C317 1V8_VDD at C316 YES NO Replace U100 CLK32K YES NO Replace U100 Check BT_CLK NO Replace U100 4 16 Bluetooth Trouble ...

Page 105: ... A V D D V _ 1 8 V 1 u 2 2 4 1 3 C 0 0 3 M 18 6 7 21 0 3 9 2 8 2 7 2 2 1 1 1 9 8 9 1 0 2 0 1 5 2 4 2 2 2 3 2 5 1 7 1 6 1 4 1 26 2 1 3 4 5 13 VDDC VDDRF VDDTF VDDR3V VREG_CTL VDDBAT VDDIO D X T _ T R A U D X R _ T R A U S T C _ T R A U S T R _ T R A U N I _ M C P T U O _ M C P K L C _ M C P C N Y S _ M C P T N A N L A T X P L A T X N I _ O P L 1 D N G 2 D N G 6 O I P G 4 D N G 5 D N G 6 D N G 7 D N...

Page 106: ...on is good Check Bias Voltage VBAT MUIC U200 Check Input output signal at MUIC USW_DP USW_DM HSO_L HSO_R YES NO Replace U100 A condition is good 4 17 FM Radio Trouble NO ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 107 140 4 TROUBLE SHOOTING A condition is good START Check of ear_jack condition NO YES CHECKING FLOW FM_radio will work properly Check condition of matching components L201 C213 C214 A condition is good NO YE...

Page 107: ...CL SDA INT 1 N M O C 2 P M O C 7 4 3 1 2 R 4 1 2 R 7 4 10K R215 D D V _ 1 8 V 1 1000 0 0 2 B F 1 0 2 B F 1000 0 0 2 C n 5 1 n 5 1 5 1 2 C 2 2K R216 D D V _ 1 8 V 1 u 2 2 2 0 2 C B S U _ S U B V DNI R242 7 1 2 R K 2 2 1800 2 0 2 B F u 2 2 4 0 2 C R218 2 2K p 7 2 6 0 2 C 7 0 2 C p 7 2 p 9 3 8 0 2 C 22n C209 p 0 2 1 0 1 2 C C211 22n T A B V u 1 3 0 2 C P D _ B S U M D _ B S U T N I _ W S U L C S _ C ...

Page 108: ... F X N I R M F 1 P C 2 P C 1 X T n 7 4 2 3 1 C D I _ D C L T N A _ M F D I _ T A B T U O _ M S G P M E T _ F R 1000 4 0 2 B F 2 1 2 A V 3 1 2 A V p 7 2 3 1 2 C 1 0 2 N C 5 1 3 1 1 1 9 7 5 4 3 2 1 4 1 2 1 0 1 8 6 1uF FL200 4 3 2 1 IN OUT G1 G2 p 2 2 2 1 2 C B S U _ S U B V 100p C214 0 0 2 D 3 0 2 B F 1000 0 0 2 C S 2 1 1 0 2 L n 0 0 1 D I _ W S U T N A _ M F M D _ W S U P D _ W S U N N O C B S U u ...

Page 109: ...erly Is there the magnet in the slide START Replace U100 On Main Board Place the magnet properly NO YES Voltage at pin 4 of U100 on FPCB 1 8V YES NO Voltage of VDD at U100 on Main Board 1 8V NO Resolder U100 On FPCB YES Open slide Voltage at pin 1 of U100 on F PCB 1 8V Resolder U100 on FPCB NO YES Close slide Voltage at pin 1 of U100 on FPCB 0V YES Replace U100 on FPCB NO CHECKING FLOW 4 18 Folder...

Page 110: ...ervice purposes LGE Internal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 110 140 4 TROUBLE SHOOTING TEST POINT CIRCUIT Figure 4 18 U100 1 pin 4 pin 2 pin 3 pin 0 0 1 U 5 2 3 1 4 T U O D D V D N G C N PGND u 1 7 0 1 C 0 0 1 A V 2 2 0 0 1 R D D V _ 1 8 V 1 R E D L O F C I l l a H ...

Page 111: ...dule YES LED Module Working well CHECKING FLOW Is I O Connector CN102 well soldered NO Resolder the CN102 YES Is the connection of CN101 with CN203 connector ok Reassemble FPCB with Main Connector Or Resolder CN101 CN203 NO YES Is the connection of CN102 with LED module connector ok Reassemble FPCB with LED connector NO Check Input output signal at MUIC NO Replace U100 A condition is good 4 19 LED...

Page 112: ...Internal Use Only 4 TROUBLE SHOOTING ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 112 140 4 TROUBLE SHOOTING TEST POINT CIRCUIT Figure 4 19 CN102 CN101 2 0 1 N C 6 5 7 4 8 3 9 2 0 1 1 1 G 2 G T A B V u 1 0 5 0 1 C D D V _ 1 8 V 1 6 0 1 C u 1 0 u 1 0 0 0 1 C L C S _ C 2 I A D S _ C 2 I T N C _ O D L T E S E R _ D E L n T A B V ...

Page 113: ...ownload Figure 5 1 S W download upgrade setup 5 DOWNLOAD Preparation Target terminal PIF Union RS 232 Cable and PIF UNION to Phone interface Cable Power Supply or Battery PC supporting RS 232 with Windows 2000 or newer If you are going to use battery the voltage of the battery should be over 3 7V for stable power supplying during S W download 5 DOWNLOAD 5 1 S W Download Figure 5 1 S W download upg...

Page 114: ...oses LGE Internal Use Only 5 DOWNLOAD XXXVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD 5 2 Download program user guide 1 After GSMULTI folder copy paste C 2 MultiGSM exe execution file execute GB230 GB230 GD350 GD350 ...

Page 115: ...d service purposes 5 DOWNLOAD XXYVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD 5 3 Multi Download Program Setting Model Base Ϯ Multi Download Program Execution Setting Configuratio n Setting Completed GB230 GB230 GD350 GD350 ...

Page 116: ...ing and service purposes LGE Internal Use Only 5 DOWNLOAD XXZVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD Stand by Condition Wait phone connecting confirm Phone connection GB230 GB230 GD350 GD350 ...

Page 117: ...LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 6 BLOCK DIAGRAM ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 116 140 6 Block Diagram 6 Block Diagram 6 BLOCK DIAGRAM ...

Page 118: ...ORE VPMU VDDMS VDDXO VDDTDC u 3 3 0 0 1 C 3 3u L100 u 1 0 3 0 1 C VBAT 1V81_VDD 1V81_VDD 5 0 1 C u 1 0 1V81_VDD u 1 0 6 0 1 C 7 0 1 C u 1 0 K 0 0 1 0 0 1 R I N D 1 0 1 R u 1 0 5 1 C 0 0 1 D R102 100K D D V _ 1 8 V 1 R103 100K 100K R104 D D V _ 1 8 V 1 100K R105 u 1 0 8 0 1 C 9 0 1 C u 1 0 1 1 C u 1 0 100K R106 R107 100K n 0 2 2 1 1 1 C 2 1 1 C u 1 0 1V81_VDD 1V81_VDD C I M V VRTC_2V0 1V81_VDD VMMC...

Page 119: ... C M A C V _ 8 V 2 M A C V _ 8 V 1 1 0 2 D 2 0 2 D 3 0 2 D 1 0 2 L F F p 5 1 10 5 4 6 3 7 2 8 1 9 1 A _ T U O N I 1 B _ T U O N I 2 A _ T U O N I 2 B _ T U O N I 3 A _ T U O N I 3 B _ T U O N I 4 A _ T U O N I 4 B _ T U O N I G1 G2 6 4 2 C u 1 M A C V _ 8 V 1 M A C V _ 8 V 2 u 1 7 4 2 C 8 4 2 C u 1 7 0 2 D 3 0 2 P T 4 0 2 P T 0 0 1 4 3 2 R R235 100K I N D 9 4 2 C 5 0 2 P T 4 0 2 L F F p 5 1 10 5 6...

Page 120: ...ST_N GPIO0 GPIO1 GPIO5 z H M 5 7 z H M 5 2 4 8 1 1 0 3 L F 0 1 3 5 2 6 4 7 8 9 1 1 T U P N I 2 T U P T U O 1 T U P T U O 2 D N G 2 T U P N I 1 D N G 1 D N G _ C 3 D N G _ C 2 D N G _ C 4 D N G _ C SDBTPTR3015 ANT303 2 3 1 4 DUMMY3 FEED DUMMY2 DUMMY1 U300 4 3 5 3 6 3 6 1 5 1 4 1 3 1 2 1 1 1 0 1 1 3 2 3 3 3 17 9 18 8 19 7 20 6 21 5 22 4 23 3 24 2 5 2 6 2 7 2 8 2 9 2 0 3 1 1 D N G T T A B V N I _ S C...

Page 121: ...0 0 1 C 0 0 1 D 1 0 1 D 2 0 1 D 0 0 1 U 5 2 3 1 4 T U O D D V D N G C N PGND u 1 7 0 1 C 0 0 1 A V 2 2 0 0 1 R D D V _ 1 8 V 1 P _ K P S _ V C R P _ K P S _ V C R N _ K P S _ V C R N _ K P S _ V C R D I _ D C L D I _ D C L 4 0 A T A D _ D C L 4 0 A T A D _ D C L 3 0 A T A D _ D C L 3 0 A T A D _ D C L 2 0 A T A D _ D C L 2 0 A T A D _ D C L 1 0 A T A D _ D C L 1 0 A T A D _ D C L 0 0 A T A D _ D C...

Page 122: ...t reserved Only for training and service purposes LGE Internal Use Only 8 BGA PIN MAP 8 BGA PIN MAP ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 122 140 8 BGA PIN MAP Top View 8 1 BGA IC pin check U101 ؼ Ball Diagram Top View PMB8810 A GOLDRADIO not in use 8 BGA IC Pin MAP ...

Page 123: ...Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA PIN MAP ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 123 140 8 2 BGA IC pin check U100 ؼ Ball Diagram Top View PF38F5060M0Y3DF not in use 8 BGA IC Pin MAP ...

Page 124: ...ly for training and service purposes KB223 3 1 2 B K KB205 KB209 KB216 KB219 KB206 KB212 KB211 KB201 KB208 KB217 KB218 KB222 KB207 KB203 KB210 KB215 KB220 4 0 2 B K LD203 1 2 2 B K LD201 LD202 4 1 2 B K LD200 0 0 2 B K GD350_MAIN_SPFY0211001_1 0_TOP LD200 LD203 Key Backlight LED No Key Backlight ...

Page 125: ... 1 X C120 6 1 3 C C205 C234 L313 L314 C317 R312 C313 C314 R246 VA215 2 2 3 C C321 7 2 2 R CN202 C216 C217 8 1 2 R C211 8 0 2 C C206 C209 C207 C238 2 1 2 R C231 R207 C233 C237 4 0 2 A V 7 0 1 R 3 0 2 A V R232 7 1 1 R C232 4 0 1 R 1 1 2 R 3 0 1 R 9 0 3 C 1 1 3 C 2 1 3 C FL300 0 1 3 C L311 L306 9 2 3 C L308 TP203 TP204 R226 TP205 C117 4 3 1 C 3 3 1 C C118 2 0 3 C 4 0 3 R 0 0 3 C 1 0 3 C 2 0 3 R 5 0 3...

Page 126: ...rved Only for training and service purposes 36 19 18 CN100 7 0 1 C CN103 1 0 1 D 2 0 1 D 0 0 1 R 0 0 1 D 1 0 1 R 0 0 1 A V 0 0 1 C 6 0 1 C 5 0 1 C 3 0 1 C V B 0 1 0 D103 4 0 1 C L100 0 0 1 U GD350_F_LCD_SPCY0199701_1 1_TOP CN103 LCD Connector No LCD Display U100 Hall IC No Folder Operation ...

Page 127: ...c All right reserved Only for training and service purposes 22 23 44 6 10 5 CN101 0 0 1 T A B CN102 GD350_F_LCD_SPCY0199701_1 1_BOT BAT100 Backup Battery No RTC without Battery CN101 LCD FPCB Connector No LCD Display No LED Display CN102 LED Module Connector No LED Display ...

Page 128: ... 129 9 PCB LAYOUT LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 2 B K 1 B K 1 N C GD350_F_SK_VOL_SPKY0079201_1 0_TOP ...

Page 129: ... 130 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 130: ... Info 1 1 1 BattInfo 1 2 Bluetooth Test 1 2 1 Enter Test Mode 1 2 2 OnOff Test 1 2 3 Headset Test 1 2 4 BT Test1 1 2 5 BT Test2 1 2 6 Xhtml Compose Print 1 2 7 Xhtml Print Test 3 3 Layer1 Info 4 Call Timer 3 Eng Mode 6 MF TEST 5 Factory Reset 2 Model Version 3 1 Cell environ 3 2 1 Mobility 3 2 2 RadioRes 3 2 1 Gprs 6 2 1 BacklightOn 6 2 2 BacklightOff 6 3 1 Audio Test 2 1 Version 3 2 PS Layer Info...

Page 131: ...of flash memory in GSM phone 11 AUTO CALIBRATION 11 AUTO CALIBRATION CM_GSM_MULTI Common Debug dll ocx Hot_Kimchi Model UI Multi_HK LG_UI_Ad6500_004 dll KF300d Spec_GD350_001 dwdio dll LG_RfCal_InfiKE000Ag_177 dll LG_RfTest_E5515C_122 dll xmm2130_eep008 cfg AutoSetup_GD350_001 Ezlooks Procedure_GD350_001 PwrSupply_Cmd script_001 Setup_Cal_Parameter_001 PwrSupply_Cmd DLL_PwrControlD dll Dll_SerialA...

Page 132: ...TEST Setup ⵃ calibration Setup Module Spec_GD350_001 xml Definition Module of Auto Test Spec Setup_Cal_Parameter_001 xml Calibration Definition Module 11 AUTO CALIBRATION 131 148 11 3 Description of Basic File 11 3 1 Common LG_CL_039 dll Common logic dll Module In Charge of Reading PID S W Version Booting Dll_SerialATD dll Serial Communication Module From Phone by AT Command DLL_PwrControlD dll Co...

Page 133: ...ral 2 Set the Power Supply 4 0V 3 Set the 3rd 4th of DIP SW ON state always 4 Press the Phone power key if the Remote ON is used 1st ON state 1 Copy the file to C Cm_Gsm_Multi 2 Copy the files of Windows XXX MFCD DLL vsflex7l_ocx_regist to C Cm_Gsm_Multi dll ocx 3 Select MFCD DLL of your computer OS 4 Click on vsflex7l_ocx_regist 5 Click on Multi_HK reg 6 Connect as Fig 11 2 RS232 serial cable is ...

Page 134: ...for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 133 148 9 Set PORT using RS232 cable that PC can communicate with the phone 11 AUTO CALIBRATION 10 Select LOGIC MODE that you want Logic mode 1 Calibration only 2 Auto test only 3 Cal Auto ...

Page 135: ...y Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 11 AUTO CALIBRATION 134 148 134 148 11 AUTO CALIBRATION 11 Select the model name GD350 12 Click start button Model name Start button ...

Page 136: ...x calibration In this procedure you can get proper scale factor value and measured power level 11 7 ADC This procedure is for battery calibration You can get main Battery Config Table and temperature Config Table will be reset 11 8 Target Power 30 dBm 30 dBm 30 dBm Max power 1909 8 MHz 1880 MHz 1850 2 MHz Frequency 810 661 512 Channel PCS 1900 30 dBm 30 dBm 30 dBm Max power 1784 8 MHz 1747 6 MHz 1...

Page 137: ... 138 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 138: ...10 13 14 16 17 18 19 23 24 25 29 32 28 27 26 22 21 20 15 12 11 9 36 37 38 48 49 52 51 53 54 55 56 57 58 62 65 67 66 70 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 64 63 61 60 59 68 69 39 40 41 42 43 44 45 46 47 50 8 30 71 31 33 34 35 ...

Page 139: ... 140 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes A B C D E F G H I J K L M M L K J I H G F E D C B A ASS Y EXPLODED VIEW ...

Page 140: ...01 COMPLEX empty WITHOUT COLOR 28 5 MHFD00 HINGE FOLDER MHFD0015701 CASTING STS Without Color 31 This Chapter is used for reference Part order is ordered by SBOM standard on GCSC Level Location No Description Part Number Spec Color Remark 2 AAAY00 ADDITION AAAY0439701 GS108 SEABK WITHOUT COLOR 3 MCJA00 COVER BATTERY MCJA0099601 MOLD PC LUPOY SC 1004A SILVER H 31 3 MLAZ LABEL MLAZ0051101 PRINTING e...

Page 141: ...IDE MDAC0029101 MOLD PC LUPOY SC 1004A BLACK 6 5 MDAE00 DECO FOLDER UPPER MDAE0047201 MOLD ABS MP 211 GENUINE GOLD 2 5 MICC00 INSERT FRONT UPPER MICC0011501 EXTRUSION LDPE Gold 5 MPBJ00 PAD MOTOR MPBJ0069601 COMPLEX empty WITHOUT COLOR 8 5 MPBN00 PAD SPEAKER MPBN0078601 COMPLEX empty WITHOUT COLOR 9 5 MPBU00 PAD CONNECTOR MPBU0081001 COMPLEX empty WITHOUT COLOR 10 5 MPBZ00 PAD MPBZ0262701 COMPLEX ...

Page 142: ...er S195A BLACK 38 5 MTAB00 TAPE PROTECTION MTAB0345001 COMPLEX empty WITHOUT COLOR 40 5 MTAB01 TAPE PROTECTION MTAB0382101 COMPLEX empty WITHOUT COLOR 42 5 MTAK00 TAPE CAMERA MTAK0030101 COMPLEX empty WITHOUT COLOR 46 5 MTAK01 TAPE CAMERA MTAK0030201 COMPLEX empty WITHOUT COLOR 50 4 AWAB00 WINDOW ASSY LCD AWAB0039201 WITHOUT COLOR G 32 5 MTAD00 TAPE WINDOW MTAD0115201 COMPLEX empty WITHOUT COLOR 5...

Page 143: ...OR 63 4 MTAB00 TAPE PROTECTION MTAB0345201 COMPLEX empty WITHOUT COLOR 66 4 MWAE00 WINDOW CAMERA MWAE0052801 CUTTING Tempered Glass WITHOUT COLOR 65 3 GMEY00 SCREW MACHINE BIND GMEY0009201 1 4 mm 3 5 mm MSWR3 BK B HEAD D 2 7mm BLACK 67 3 MLAA00 LABEL APPROVAL MLAA0062314 COMPLEX empty WITHOUT COLOR 5 ACKA00 CAN ASSY SHIELD ACKA0020201 btm WITHOUT COLOR 6 MAAA00 ABSORBER ELECTROMAG NETIC WAVE MAAA0...

Page 144: ...3 0 1 uF 10V K X7R HD 1005 R TP 7 C103 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C104 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 7 C105 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C106 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C107 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 7 CN103 CONNECTOR BOARD TO BOARD ENBY0047001 36 4 ...

Page 145: ... SAFB00 PCB ASSY MAIN INSERT SAFB0105801 5 BRAH00 RESIN PC BRAH0001301 empty Black 5 SPKY00 PCB SIDEKEY SPKY0079201 POLYI 0 2 mm DOUBLE 4 SAFF00 PCB ASSY MAIN SMT SAFF0255203 5 SAFC00 PCB ASSY MAIN SMT BOTTOM SAFC0135301 6 ANT303 ANTENNA MOBILE FIXED SNMF0051501 5 5 dB Internal BT Chip Pb Free SINGLE 6 C100 CAP TANTAL CHIP ECTH0005704 33 uF 10V M L_ESR 2012 R TP empty empty empty empty empty empty...

Page 146: ...5R TC 1005 R TP 6 C123 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C124 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C125 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C126 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C127 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C128 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R T...

Page 147: ... 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C206 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C207 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C208 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C209 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C210 CAP CERAMIC CHIP ECCH0000129 120 pF 50V J NP0 TC 1005...

Page 148: ... 6 3V M X5R TC 1005 R TP 6 C235 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C236 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C237 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 C238 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C240 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C241 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 ...

Page 149: ...IP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C301 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C302 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C303 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C304 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C305 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C306 CAP CHIP MAKER ECZH0000802 1 p...

Page 150: ... MAKER ECZH0000824 20 pF 50V J NP0 TC 1005 R TP 6 C330 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 C331 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 CN201 CONNECTOR I O ENRY0008801 5 mm ANGLE 0 64MM ANGLE empty DIP empty 6 CN202 CONNECTOR ETC ENZY0022201 3 2 5 mm ETC 6 CN203 CONNECTOR BOARD TO BOARD ENBY0023301 44 PIN 0 4 mm ETC H 0 9 Socket 6 CN204 CONNECTOR BOARD...

Page 151: ... SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL202 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL204 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL205 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL206 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF...

Page 152: ...V 60V 50V 150mA 0 1uA MAX 10 MIN 700 MAX 100mW ESM R TP 3P 6 Q200 TR BJT NPN EQBN0020501 ESM 0 15 W R TP NPN 5V 60V 50V 150mA 0 1uA MAX 10 MIN 700 MAX 100mW ESM R TP 3P 6 R100 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R102 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R103 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R104 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W...

Page 153: ...ES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R130 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R200 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R201 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R202 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R203 RES CHIP MAKER ERHZ0000505 680 ohm 1 16W J 1005 R TP 6 R204 RES CHIP ERHY0000185 820 ohm 1 16W F 1005 ...

Page 154: ...HZ0000267 3300 ohm 1 16W F 1005 R TP 6 R231 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R232 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R233 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R234 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 6 R235 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R236 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R2...

Page 155: ...Y0383701 DFN 10 R TP Cal Test support single Charger IC IC Charger 6 U202 IC EUSY0390501 WLCSP 20 R TP IC Audio Sub System 6 U203 IC EUSY0263105 QFN 20 PIN R TP SUB PMIC4Ch 2LDO IC Charge Pump 6 U300 RF MODULE HANDSET SMRH0005601 MHz MHz GSM Quad Tx Module 6x8 6 VA200 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 6 VA201 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 6 VA202 VARISTOR SEVY0004101 5 6 V SMD ...

Page 156: ... 5 SAFD00 PCB ASSY MAIN SMT TOP SAFD0132701 6 LD200 DIODE LED CHIP EDLH0013701 WHITE ETC R TP SIDEVIEW empty 2 9 3 2V 30mA 1200 1400mcd 120mW empty empty 2P 6 LD201 DIODE LED CHIP EDLH0013701 WHITE ETC R TP SIDEVIEW empty 2 9 3 2V 30mA 1200 1400mcd 120mW empty empty 2P 6 LD202 DIODE LED CHIP EDLH0013701 WHITE ETC R TP SIDEVIEW empty 2 9 3 2V 30mA 1200 1400mcd 120mW empty empty 2P 6 LD203 DIODE LED...

Page 157: ...TIC 3 8X34X50 4 5X34 2X53 BLACK INNERPACK BLACK 3 SGDY00 DATA CABLE SGDY0014302 empty empty 1 2M BLACK 1 2m 4 Shield case MicroUSB ID resistor open N 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003218 empty BLACK 5P MICRO USB CONNECTOR Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0036001 100 250V Hz V A empty empty 㾌 ADAPTOR AC DC SSAD0036101 100 250V Hz V A empty empty 㾌 ADAPTOR AC DC SSAD0036102 100 240V...

Reviews:

No comments

Related manuals for GD350

Panasonic KX-DT 333 Series User Quick Reference Manual preview
KX-DT 333 Series
Brand: Panasonic Pages: 8
Panasonic KX-DT 343 Series Brochure & Specs preview
KX-DT 343 Series
Brand: Panasonic Pages: 4
Panasonic KXTG6423 - EXPAND DIGITAL PHONE Quick Manual preview
KXTG6423 - EXPAND DIGITAL PHONE
Brand: Panasonic Pages: 8
ABRIVO X-EO Quick Reference Manual preview
X-EO
Brand: ABRIVO Pages: 20
Olympia NEO Operating Manual preview
NEO
Brand: Olympia Pages: 68
Yealink W52 User Manual preview
W52
Brand: Yealink Pages: 6
Yealink W52 Reconfiguration User Manual preview
W52
Brand: Yealink Pages: 2
Tadiran Telecom SIP-T48G Quick Start Manual preview
SIP-T48G
Brand: Tadiran Telecom Pages: 7
Damall D-2304 Setup Manual preview
D-2304
Brand: Damall Pages: 7
Gigaset GS80 Manual preview
GS80
Brand: Gigaset Pages: 27
HTC HTC Evo View 4G Basic Manual preview
HTC Evo View 4G
Brand: HTC Pages: 42
Uriver SP-115C User Manual preview
SP-115C
Brand: Uriver Pages: 109
Alcatel Pixi3 4009D Quick Start Manual preview
Pixi3 4009D
Brand: Alcatel Pages: 22
Sony Ericsson T62u User Manual preview
T62u
Brand: Sony Ericsson Pages: 99
Hama 00004316 Operating Instructions Manual preview
00004316
Brand: Hama Pages: 20
Tecno Mobili 2ADYY-H7 User Manual preview
2ADYY-H7
Brand: Tecno Mobili Pages: 16
Sony Ericsson Xperia X1 User Manual preview
Xperia X1
Brand: Sony Ericsson Pages: 26
Panasonic GSM EB-G500 Series Operating Instructions Manual preview
GSM EB-G500 Series
Brand: Panasonic Pages: 40

Brands by name

Popular brands

Load more brands