Page 1 Internal Use Only Service Manual LG500G Date: January, 2011 / Issue 1.0...
Page 2: Table Of Contents
1. Accessory ................... 165 4.8 Camera Trouble ................8 4.9 Speaker Trouble ................87 4.10 Earphone Trouble ..............89 4.11 Receiver Trouble .................92 - - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 4: Introduction
Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty. 5/140 - 5 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 5 • When returning system boards or parts like EEPROM to the factory, use the protective package as described. - 6 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6: Abbreviations
International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode OPLL Offset Phase Locked Loop - 7 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 7 Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol - 8 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8: Performance
Internal EAR Phone Jack PC Synchronization Speech coding EFR/FR/HR Data and Fax Vibrator Loud Speaker Voice Recoding Microphone - 9 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 9 Receiver Travel Adapter MIDI 64 Poly (Mono SPK) Camera 1.3M FF Bluetooth / FM Radio Bluetooth version 1.5 - 10 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10: Technical Specification
Power Toler. 29.5dBm 13.5dBm 27.5dBm 11.5dBm 25.5dBm 9.5dBm 23.5dBm 7.5dBm 21.5dBm 5.5dBm 19.5dBm 3.5dBm 17.5dBm 1.5dBm 15.5dBm 0dBm - 11 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 3,000~ <6,000 6,000 GSM850 Offset from Carrier (kHz). Max. dBm Output RF Spectrum (due to switching transient) 1,200 1,800 - 12 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12 3 dB 8 3 dB Frequency (Hz) Max.(dB) Min.(dB) 1,000 Sending Response 2,000 3,000 3,400 4,000 2 3 dB - 1 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 13 At least 55 dBspl under below conditions: Ringer Volume 1. Ringer set as ringer. 2. Test distance set as 1 m - 14 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14 Battery full charge voltage = 4.2 V Capacity: 950mAh Switching-mode charger Travel Charger Input: 100 ~ 240V, 50/60 Hz Output: 4.8V, 400mA - 15 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 15: Technical Brief
3.1 Digital Main Processor Figure. 3.1.1 X-Gold tm 213 Hardware Block Diagram Figure. 3.1.1 X-Gold tm 213 Hardware Block Diagram 16/147 - 16 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 16 – GEA-1/2/3 • Security: – OMTP TR0 – Secure Boot – RSA(ROM)/SHA-1(HW accel.) – OCDS disabling – Certificate Management - 17 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 • USB2.0 up to 480 Mbit/s (High Speed) w/ external USB Phy over ULPI interface • Stereo Headset (Amplifier integrated) • 3 external analog measurement PIN’s • Bluetooth - 18 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 – Color conversion YUV -> RGB – 2D vector graphics (Lines, filled rectangles, Bit block transfer (e.g. sprites, scrolling, antialiased bitmap fonts) - 19 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 19 – 64 voices MIDI, SP-MIDI – FM synthesizer • AMR-WB • True ring tones (MP3) • MP3, eAAC+ • G.722 SB-ADPCM encoding/decoding - 20 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20: Power Management
100mA. That is the load current estimated for the GSM talk mode. - 21 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 21 The RF module has implemented several LDO’s for different RF Power domain. The mixed signal module has some LDO’s for the audio driver and microphone supply. - 22 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 3. TECHNICAL BRIEF 3. TECHNICAL BRIEF Table. 3-2-1 Power supply Domains (without RF) - 2 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 If the charger unit is running the ADC is controlled by the charger state- machine - 24 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 3. TECHNICAL BRIEF Figure.3.2.1 First Part of the State Machine, Running in Different Power Domains than the Second Part - 25 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 3. TECHNICAL BRIEF 3. TECHNICAL BRIEF Figure 3.2.2 Second (Main) Part of the Startup State Machine in the VPMU Domain - 26 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 This allows to power up the LCORE core regulator and wait for the core to reach reset state before powering up the I/O supply regulators. - 27 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 27 3. TECHNICAL BRIEF 3. TECHNICAL BRIEF Figure 3.2.3 Start Up Sequence (triggered by First Connect Event) - 28 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 In testmode signal reset_pmu_n_o is high, that means the chip reset is fully controlled from external. - 29 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 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, independent from vcxo_enable. - 0 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 That means all PMU register are reset in OFF state. For details about the SW reset see chapter External Reset Handling . - 1 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 Before switching OFF the software shall have enabled the 32 kHz oscillator and has switched the PMU clock to the 32 kHz clock to archive the target OFF current . - 2 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32: Fem With Integrated Power Amplifier Module
PHEMT RF switch. The Ga-As die, PHEMT die, Silicon (Si) die and passive components are mounted on a multi-layer laminate substrate. The assembly encapsulated with plastic overmold. - - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 100p EGSM GSM850 GND7 GND15 PCS1900 L404 PGND6 DCS1800 1.5n PGND5 PGND4 C420 Figure 3.3.3 FEM CIRCUIT DIAGRAM - 4 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34: Crystal(26 Mhz, X100)
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. - 5 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35: Rf Subsystem Of Pmb8810 (U100)
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. - 6 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 DC offset removal and programmable gain control. Figure. 3.5.2 RECEIVER CHAIN BLOCK DIAGRAM - 7 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 The 26 MHz reference signal of the phase detector incorporated in the PLL is provided by the reference oscillator. - 8 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 A minor set of power amplifiers require a bias voltage to enhance power efficiency. Support of this power amplifiers is achieved by the implemented bias DAC. Figure. 3.5.4 PA AND FEM CONTROL BLOCK DIAGRAM - 9 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 39 One embedded direct-to-battery LDO provides the 2.5 V supply voltage for the remaining circuits. Figure. 3.5.5 POWER SUPPLY BLOCK DIAGRAM - 40 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40: Memory(Pf8F5060M0Y0Be, U101)
(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 below in the following table. - 41 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 • Deep Power-Down (DPD) mode: DPD provides the lowest power consumption and is enabled by programming in the Enhanced Configuration Register. DPD is initiatied by asserting the DPD pin. - 42 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42: Bt Module
Bluetooth Radio Specification and enhanced data rate specification and meets or exceed the requirement to provide the highest communication link quality of service. - 4 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 44: Sim Card Interface
This signal makes SIM card to HW default status. SIM_CLK This signal is transferred to SIM card. SIM_DATA This signal is interface datum. - 45 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 46 The two LDOs can be enabled when the device is in sleep mode. Total current reduces to 1 A in shutdown. - 47 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 47 3. TECHNICAL BRIEF 3. TECHNICAL BRIEF Figure 3-9-3. RT9367C FUNCTION BLOCK DIAGRAM - 48 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48: Battery Charger Interface
The RT9524 is available in a WDFN-10L 2x3 package to achieve optimized solution for PCB space and thermal considerations. - 49 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 49: Keypad Interface
KEY_COL5 R127 PWRON VA314 VA315 VA316 ZD100 VA100 C146 R128 ESD9B5_0ST5G 100K EDTY0010101 Figure 3-11-1 MAIN KEY STRUCTURE - 50 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 The interface controller contains information about the key (or key combination) that was pressed and how long it was pressed. Figure 3-11-3 Block Diagram and System Integration of the KPD - 51 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 51: Audio Front-End
• Analog part The following figure shows an architecture overview of the Audio section. Figure 3.12.1 Audio Section Overview - 52 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 100% by Firmware. • The high-pass functions of the voiceband filters have to be implemented in firmware on TEAKLite®. - 5 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 53 Loudspeaker driver, b) one mono, differential Earpiece driver and c) one stereo, single-ended (with uni- or bipolar signals), Headset driver. - 54 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 The buffers are designed to be short circuit protected. Figure 3.12.3 Switching for R/L DACs onto Buffers - 55 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 55 To improve SNR the sample frequency can be doubled in dedicated modes and the modulated data stream is 4MHz instead of 2 MHz. - 56 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 In case of an digital microphone VMIC can be used for supplying this microphone. Figure 3.12.5 Typical Microphone Supply Generation (alternative) - 57 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 57: Camera Interface(2M Fixed Focus Camera)
Programming is done by register read/write transactions using an AHB slave interface. Figure 3.13.1 Block Diagram of Camera Interface - 58 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 • Color processing (contrast, saturation, brightness, hue) • Power management by software controlled clock disabling of currently not needed sub-modules - 59 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 59: Key Baclklight Led Interface
R308 R309 R310 R311 R312 R349 R350 R326 KEY_BL_EN Q300 C337 R327 100K Figure 3-14-1 Key Backlight Block - 60 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60: Vibrator Interface
Figure 3-15-1 Vibrator Driver Block Diagram VB200 R233 VIB_P C245 C246 SJMY0007905 DM-YK407-6F2 Figure 3-15-2 Vibrator Driver Block - 61 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 61: Trouble Shooting
U100 U101 Figure 4.1 U100 Memory(512NOR/128pSDRAM) U101 (PMB8810) Main Chip (A-GOLDRADIO+) U400 RF Module X100 Crystal, 26MHz Clock - 62 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62: Rx Trouble
Crystal Circuit (2) Check Mobile SW &RF module (3) Check PLL Control Re-download SW or Do calibration again - 6 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 63 DSX321G-26M BT_RXD USIF1_RTS_N BT_TXD USIF1_CTS_N USB_DP DPLUS USB_DM DMINUS EXXY0027001 1 pin 1 pin Figure 4.2.2 Figure 4.2.3 - 64 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 SFSB0001803 FL402 IN_881_5 OUT_881_5 L412 L411 9.1n IN_942_5 OUT_942_5 C442 GND1 GND2 RX12 GND3 GND4 GND5 GND6 869M894M,925M960MHz - 65 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 65 TP3(Low Band) Replace RF Module(U400) Signal is OK ? EGSM Rx Mobile SW & RF Module is OK. - 66 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66: Tx Trouble
(1)Check Crystal Circuit (2) Check Mobile SW &FEM (3) Check PLL Control Re-download SW or Do calibration again - 67 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 67 DSX321G-26M BT_RXD USIF1_RTS_N BT_TXD USIF1_CTS_N USB_DP DPLUS USB_DM EXXY0027001 DMINUS 1 pin 1 pin Figure 4.3.2 Figure 4.3.3 - 68 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 FL402 SFSB0001803 IN_881_5 OUT_881_5 L411 L412 9.1n IN_942_5 OUT_942_5 C442 GND1 GND2 RX12 GND3 GND4 GND5 GND6 869M894M,925M960MHz - 69 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 69 Replace RF Module (U400) SW400 signal Replace SW400 same as TP4? EGSM Tx Mobile SW & RF Module is OK. - 70 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70: Power On Trouble
4.4 Power On Trouble TEST POINT VRF1 VMMC VAUX VBAT_PMU VTDC U101 VUSB VPMU VCORE VRF2 VBAT_VRF2 VRTC Figure 4.1 - 71 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 71 (5%) (1%) R133 AD06 A_D6 AD07 RF SUPPLY DOMAIN PMU PADS A_D7 Figure 4.2 Power block of LG500G - 72 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 Is the phone power on? Re-download software Does it work properly? The phone will Replace the main board Properly operating. - 7 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 73: Charging Trouble
EN_SET C251 C252 R237 EUSY0410801 R238 R239 R240 C254 C253 RT9524 0.1u 2.7K 2.7K 3.9K (10V) 0.1u 100K - 74 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 Change the TA TP1 of U204 = 5V ? Replace the main board Battery is charged? Charging is properly operating - 75 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 75: Vibrator Trouble
4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.6 Vibrator Trouble TEST POINT TP1_Vibrator PAD Figure 4.6 - 76 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 2.2K 2.2K PWRON I2C_SDA I2C_SCL 32.768KHz C144 C145 X101 MC-146_12_5PF EXXY0004602 VB200 R233 VIB_P C245 C246 SJMY0007905 DM-YK407-6F2 - 77 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 77 Replace the Vibrator. Is the voltage at Replace the U101 TP1 of VIB_P high? Replace vibrator Vibrator Working well ! - 78 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78: Lcd Trouble
4. TROUBLE SHOOTING 4.7 LCD Trouble TEST POINT R340 CN303 TP1_C310 U301 R341 FL302 FL304 FL305 Figure 4.7 - 79 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 79 MLED1 LED1 PVIN MLED2 LED2 MLED3 I2C_SDA LED3 I2C_SCL LED4 C310 R341 C311 C312 C313 C314 2.2u 100K - 80 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80 4. TROUBLE SHOOTING 4. TROUBLE SHOOTING Waveform Bus Interface Operation Data Graph 4.7.2. LCD Data Waveform - 81 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 81 Check the Waveform of (FL302,FL304,FL305) EMI filter ? Does LCD work Replace LCD module properly ? LCD working well ! - 82 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82: Camera Trouble
4.8 Camera Trouble TEST POINT FL303 FL300 FL301 CN302 TP3 TP2 TP1 TP3 TP2 TP1 U302 Figure 4.8 - 8 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 83 CAM_DATA7 INOUT_A4 INOUT_B4 C315 C316 C317 0.1u 0.1u 0.1u VBAT 1V5_VCAM_D U302 VOUT CAM_1V5_EN C321 C322 R345 100K - 84 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 HSYNC falling time = 2.4ns HSYNC rising time = 3.6ns 8PCLK falling time = 3.6ns PCLK rising time = 3.6ns - 85 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 85 EMI filter ? Does Camera work Replace U101 or Change the board properly ? Camera working well ! - 86 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86: Speaker Trouble
CPVSS C226 2.2u C228 2.2u 1V8_VDD R210 1800 C230 I2C_SCL 2.2u I2C_SDA C232 C233 2.2u 0.1u R220 HS_GND - 87 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 87 Check the Audio signal Change the U200 TP1,TP2 Check the Audio signal Replace/Change the U101 TP3,TP4 Speaker Working well!! - 88 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88: Earphone Trouble
4. TROUBLE SHOOTING 2. TROUBLE SHOOTING 4.10 Earphone Trouble TEST POINT TP1_R202 Figure 4.10 - 89 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 89 C229 HS_MIC_N 2.2Kohms C259 FB204 R247 1800 C231 HS_MIC_P VA205 1V8_VDD 2V85_VAUX U201 R215 HOOK_DETECT LMV331 C236 EUSY0407701 - 90 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 U200, FB202, FB 203, the earphone? the earphone? and try again C219, C220 Earphone will work properly - 91 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 91: Receiver Trouble
C226 2.2u C228 2.2u U200 1V8_VDD R210 1800 C230 I2C_SCL 2.2u I2C_SDA C232 C233 2.2u 0.1u R220 HS_GND - 92 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 TP1 and TP2 Fluctuate? Does waveform at Replace/Change the U101 TP3 and TP4 Fluctuate? Receiver will work properly. - 9 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 93: Microphone Trouble
C204 C205 C208 0.1u MIC200 MIC_N C209 C211 0.1u MIC_P SPU0410HR5H-PB VA208 VA209 VA210 R248 SUMY0010609 C214 C215 - 94 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 Is it a few tens mV AC? Check the soldering of Resolder component TP2/TP3 Microphone will work properly. - 95 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 95: Sim Card Interface Trouble
ZD301 ZD302 GND5 GND2 C302 C303 C304 C305 GND4 GND3 0.1u These are added for CMCC ESD test - 96 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 Does it work Does it work Properly? Properly? SIM card is SIM card is properly working properly working. - 97 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 97: Key Backlight Trouble
Figure 4.14 LD301 LD313 LD312 LD310 LD305 LD303 LD302 LD300 LD309 LD306 LD311 LD304 LD307 LD308 Figure 4.14.1 - 98 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 Are all LEDs Check the soldering Working? each R and LED Replace or resolder Backlight will work properly. component - 99 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 99: Micro Sd (Usd) Trouble
COVER_DETECT1 USD_D1 DAT1 USD_D0 DAT0 USD_DET CARD_DETECT R249 USD_CLK USD_CMD USD_D3 CD_DAT3 USD_D2 DAT2 C244 C243 2.2u SCHB1B0201 - 100 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 Check out Re-download SW MC_CLK & Data Timing OK? Replace Micro SD Card Micro SD Card will work properly - 101 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 101: Bluetooth Trouble
BT_CLK BT_RXD UART_TXD BT_TXD XOUT UART_RXD BT_CTS UART_RTS_N DBB_BT_INT GPIO_0 UART_CTS_N BT_RTS BT_DBB_INT GPIO_1 FSYS_EN TCXO_OR_OUT_GPIO_5 TCXO_OR_IN_GPIO_6 GPIO_7 - 102 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 VAUX at C412 U101 1V8_VDD at C413 Replace Check CLK32K U101 Replace Check BT_CLK U101 BT will work properly - 10 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 103: Download
5. DOWNLOAD 5. DOWNLOAD LG500G ATRF/ Tracfone(USA) LG500G - 104 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 5. DOWNLOAD LG500G ‘LG500G’ LG500G LG500G LG500G LG500G LG500G ‘LG500G’ LG500G - 11 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 116: Block Diagram
6. BLOCK DIAGRAM 6.Block Diagram 6. BLOCK DIAGRAM 6. Block Diagram - 117 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 118: Circuit Diagram
VBAT VBAT BAT100 C144 C145 C142 OJ100 OJ101 OJ102 URXD 311HR-VG1 UTXD R132 SMZY0023501 X101 100K MC-146_12_5PF EXXY0004602 Copyright © 2011 LG Electronics. Inc. All right reserved. - 119 - LGE Internal Use Only Only for training and service purposes...
Page 119 USD_CMD C253 0.1u RT9524 USD_D3 2.7K 2.7K 3.9K CD_DAT3 (10V) 0.1u 100K USD_D2 DAT2 C244 C243 2.2u SCHB1B0201 LGE Internal Use Only - 120 - Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 R342 LCD_ID 100K CN303 VOUT C318 C319 R343 C320 R344 CAM_1V5_EN 2.2u 100K 150K C321 C322 R345 100K Copyright © 2011 LG Electronics. Inc. All right reserved. - 121 - LGE Internal Use Only Only for training and service purposes...
Page 121 LG-C100 / LG-C105 INDICATOR FM ANTENNA INDICATOR 1V8_VDD R418 FM_ANT_INDI R419 100K R418 R419 C100 Wired 100k C105 Wireless 100k LGE Internal Use Only - 122 - Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 7. CIRCUIT DIAGRAM V_UP V_DOWN KB100 KB101 KEY_ROW6 KEY_ROW7 KEY_COL5 CN100 Copyright © 2011 LG Electronics. Inc. All right reserved. - 123 - LGE Internal Use Only Only for training and service purposes...
Page 124: Bga Pin Map
8.4 BGA PIN MAP 8. BGA PIN MAP U100 (EUSY0368503, S71NS512RD0ZHEKL0) F-WP F-DPD : Use : Not Use - 125 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 125 8. BGA PIN MAP 8.4 BGA PIN MAP U101 (EUSY0421201, PMB8810) : Use : Not Use - 126 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 8. BGA PIN MAP 8.4 BGA PIN MAP U200 (EUSY0403901, WM9093ECS-R) : Use : Not Use - 127 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 127 8. BGA PIN MAP 8.4 BGA PIN MAP U202 (EUSY0406901, RT8962WS) : Use : Not Use - 128 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 8. BGA PIN MAP 8.4 BGA PIN MAP U401(EUSY0382201, BCM2070CB0KUFBXG) : Use : Not Use - 129 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 130: Pcb Layout
9. PCB LAYOUT LD300 ~ LD313 (Key Backlight LED) LG500G_MAIN_SPFY0248101_1.0_TOP Copyright © 2011 LG Electronics. Inc. All right reserved. - 131 - LGE Internal Use Only Only for training and service purposes...
Page 131 - No SIM Operation - No Call CN203(Battery Connector) - No Power On MIC200 (Main Mic) - No Mic Operation LG500G_MAIN_SPFY0248101_1.0_BOT LGE Internal Use Only - 132 - Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134: Engineering Mode
[2-5-2] Heap Freesize [2-5-3] Heap Leakage [2-5-4] Heap Assert [2-5-5] QM Heap Freesize [2-5-6] Developer Debug [2-6] USB Connection Mode - 15 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 135: Stand Alone Test
11.2 Setting Method 1. Set COM Port 2. Check PC Bau Rate 3. Confirm EEPROM & Delta file prefix name - 16 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 11. STAND ALONE TEST 10. STAND ALONE TEST 4. Click “Update Info” for communicating Phone and Test-Program Not Connected Connected - 17 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 137 Click the “Reset” bar. 6. Select “Non signaling” in the Quick Bar menu. Then Standalone Test setup is finished. - 18 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 3. Select “Tx” in the RF mode menu and “PCL” in the PA Level menu. 4. Finally, Click “Write All” bar and try the efficiency test of Phone. - 19 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 139: Rx Test
4. The Phone must be changed “normal mode” after finishing Test. 5. Change the Phone to “normal mode” and then Click the “Reset” bar. - 140 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140: Auto Calibration
Auto-cal generates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone. 12.2 Configuration of Tachyon - 141 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 141: Description Of Basic File
12.AUTO CALIBRATION 11. AUTO CALIBRATION 12.3 Description of Basic File 12.4 Description of configuration File - 142 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 Follow the procedure before start calibration & auto test a. Click the icon, in tool bar. Then, you can see the below screen LG500G - 14 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 143 11. AUTO CALIBRATION 12.5.1 Model selection Follow the procedure before start calibration & auto test b.Select the model : You should select “LG500G” c.Select the buyer (must be double clicked) then, you can see “PASS” in Config File Check. d.Click select button...
Page 144 1) Precede Action. - Dac Write by EEP - Test command send. 2) Calibration 3)Auto test 4)After action - 145 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 145: Agc
PCS 1900 Frequency 1850.2 MHz 1880 MHz 1909.8 MHz Max power 29.5 dBm 29.5 dBm 29.5 dBm 134/140 - 146 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146: Exploded View & Replacement Part List
Can Assembly,Shield ADCA00 Dome Assembly,Metal SJMY00 SPKY00 PCB,Sidekey SVCY00 Camera Module SVLM00 LCD,Module-TFT MCBA00 Can,Shield SNGF00 SUMY00 Microphone,Condenser Copyright © 2011 LG Electronics. Inc. All right reserved. - 147 - LGE Internal Use Only Only for training and service purposes...
Page 150: 1.2 Replacement Parts
Cover Assembly, LG500G.ATRFTL BK:Black LG500G Titan Black, Series ACGK00 - ACGK0180411 Front Copy from C100 BK Front Cover Assy - 151 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 151 C, 10 Main Series Copy from C100 BK Keypad Assy Main MCJK00 COVER, FRONT - MCJK0135801 LG-C100 IDNRD RD, ZZ, COMPLEX, (empty), , , , , MBFZ00 BRACKET MBFZ0055901 LG-C100 IDNRD RD, ZZ, PRESS, STS, , , , , MICE00...
Page 152 Level Location No. Description PartNumber Spec Remark MPBN00 PAD, SPEAKER MPBN0092201 LG-C100 IDNRD RD, ZZ, COMPLEX, (empty), , , , , COMPLEX LG-C100 IDNRD ZZ:Without Color MOLD, MPBZ00 Damper MPBZ0326401 Urethane Rubber S190A, , , , , MPBZ01 MPBZ0329901 LG-C100 IDNRD RD, ZZ, COMPLEX, (empty), , , , ,...
Page 153 LG-500G TRFTN 1.0 FR-4 Build-Up - 1.0mm MAIN MLAA00 Label, Approval MLAA0062301 COMPLEX KB770 DEUBK ZZ:Without Color - - 154 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 MCH155A390J 39pF 5% 50V NP0 -55TO+125C 1005 ECCH0000120 C215, Chip R/TP - ROHM Semiconductor KOREA CORPORATION C249, C403 - 155 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 155 C112, Capacitor, Ceramic, C1005X7R1A473KT000F 47000pF 10% 10V Y5P - ECCH0002002 C113 Chip 30TO+85C 1005 R/TP - TDK CORPORATION - 156 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 Capacitor, Ceramic, C1005C0G1H330JT000F 33pF 5% 50V NP0 - ECZH0000830 C407 Chip 55TO+125C 1005 R/TP - TDK KOREA COOPERATION - 157 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 157 GRM219R60J226M 0.000022F 20% 6.3V X5R - Capacitor, Ceramic, C121 ECZH0025502 55TO+85C 2012 R/TP 0.85MM MURATA Chip MANUFACTURING CO., LTD. - 158 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 ANGLE LS Mtron Ltd. GCA26A-6S-H16-M-E1000 SIM 6P ANGLE SMD R/TP - J300 Card Socket ENSY0022102 LS Mtron Ltd. - 159 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 159 MCR01MZP5F3901 3.9KOHM 1% 1/16W 1005 R/TP - R237 Resistor, Chip ERHZ0000278 ROHM. MCR01MZP5F5102 51KOHM 1% 1/16W 1005 R/TP - R232 Resistor, Chip ERHZ0000295 ROHM. - 160 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 MCR01MZP5J332 3.3KOHM 5% 1/16W 1005 R/TP - Resistor, Chip ERHZ0000465 R320 ROHM. MCR01MZP5J392 3.9KOHM 5% 1/16W 1005 R/TP - R109 Resistor, Chip ERHZ0000475 ROHM. - 161 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 161 Numonyx Asia Pacific Pte Ltd. IC, LDO Voltage RP103K151D RP103K151D, PLP1010, 4, R/TP, 150mA U302 EUSY0369401 Regulator LDO RICOH COMPANY, LTD. - 162 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 HB-1M1005-102JT 1000 ohm 1.0*0.5*0.5 25% 1.3 ohm FB205 Filter, Bead SFBH0000912 0.25A SMD R/TP 2P 0 CERATECH CORPORATION - 16 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 163 X(0.24~0.34) Y(0.25~0.34) 66mW 1608 R/TP 2P - LD307, SEOUL SEMICONDUCTOR CO., LTD LD308, LD309, LD310, LD311, LD312, LD313 - 164 - LGE Internal Use Only Copyright © 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164: Accessory
SBPL0090501 950 mAh, 1 CELL, PRISMATIC , KU250 Europe BATT, L, 39 Battery Li-Ion IP, Pb-Free LG CHEMICAL - 165 - Copyright © 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

LG LG500G Service Manual

1 Introduction

2 Performance

3 Technical Brief

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 Bga Pin Map

9 Pcb Layout

10 Engineering Mode

11 Stand Alone Test

12 Auto Calibration

Exploded View & Replacement Part List

Quick Links

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Summary of Contents for LG LG500G

Table of Contents