Page 1 Internal Use Only Service Manual GB220 Date: July, 2009 / Issue 1.0...
Page 2: Table Of Contents
13.3 Accessory ............. 164 4.11 Receiver Trouble ............93 4.12 Microphone Trouble ..........95 4.13 SIM Card Interface Trouble ........97 Copyright © 2009 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 5: Only For Training And Service Purposes
• When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 6 - Copyright ©...
Page 6: Abbreviations
Light Emitting Diode OPLL Offset Phase Locked Loop LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only...
Page 7: Only For Training And Service Purposes
VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 8 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 8: System Specification
Loud Speaker Voice Recoding Microphone LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only...
Page 9: Only For Training And Service Purposes
1.3M Bluetooth / FM Radio Bluetooth version 2.1 / 76~108MHz supported LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 10 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 10: Technical Speciﬁ Cation
±3dB ± 5dB 16dBm 0dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only...
Page 11: Only For Training And Service Purposes
(due to switching transient) 1,200 1,800 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 12 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 12: Only For Training And Service Purposes
3,000 3,400 4,000 2±3 dB LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only...
Page 13: Only For Training And Service Purposes
Ringer Volume 1. Ringer set as ringer. 2. Test distance set as 50 cm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 14 - Copyright ©...
Page 14: Only For Training And Service Purposes
Input: 100 ~ 240V, 50/60 Hz Output: 5.6 V, 400 mA LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 15 -...
Page 15: Technical Brief
3. TECHNICAL BRIEF 3.1 Digital Main Processor Figure. 3.1.1 X-Gold tm 213 Hardware Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 16 - Copyright ©...
Page 16: Only For Training And Service Purposes
– OMTP TR0 – Secure Boot – RSA(ROM)/SHA-1(HW accel.) – OCDS disabling – Certificate Management Copyright © 2009 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes LGE Internal Use Only Copyright ©...
Page 17: Only For Training And Service Purposes
• Bluetooth, A-GPS, WLAN support (I2C, I2S, SPI) LGE Internal Use Only - 18 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 18: Only For Training And Service Purposes
• USB battery charging – USB charging spec 1.0 compliant • Backlight – Up to 4 serial white LEDs (integrated LDO) Copyright © 2009 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes LGE Internal Use Only Copyright ©...
Page 19: Only For Training And Service Purposes
• MP3, eAAC+ • G.722 SB-ADPCM encoding/decoding LGE Internal Use Only - 20 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 20: Power Management
RF macro and the external memory if a 1.8V memory is used. The efficiency of the DC/DC converter is optimized for an average load current of 100mA. That is the load current estimated for the GSM talk mode. Copyright © 2009 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only...
Page 21: Only For Training And Service Purposes
LGE Internal Use Only LGE Internal Use Only - 22 - Copyright © 2009 LG Electronics. Inc. All right reserved. Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Only for training and service purposes...
Page 22: Only For Training And Service Purposes
3. TECHNICAL BRIEF Table. 3-2-1 Power supply Domains (without RF) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 23 -...
Page 23: Only For Training And Service Purposes
DCXO etc.) and controlled by the VCXO_enable signal. The reason for the startup is stored in the ResetSourceRead register. ▪ Battery Measurement LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 24 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 24: Only For Training And Service Purposes
If the charger unit is running the ADC is controlled by the charger state-machine Figure.3.2.1 First Part of the State Machine, Running in Different Power Domains than the Second Part Copyright © 2009 LG Electronics. Inc. All right reserved. - 25 -...
Page 25: Only For Training And Service Purposes
3. TECHNICAL BRIEF Figure 3.2.2 Second (Main) Part of the Startup State Machine in the VPMU Domain LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 26 - Copyright ©...
Page 26: Only For Training And Service Purposes
HPBG on state and the system starts. This state change is indicated to the charger state-machine to enable the charger watchdog for safety. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 27: Only For Training And Service Purposes
LGE Internal Use Only LGE Internal Use Only - 28 - Copyright © 2009 LG Electronics. Inc. All right reserved. Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Only for training and service purposes...
Page 28: Only For Training And Service Purposes
3. TECHNICAL BRIEF Figure 3.2.3 Start Up Sequence (triggered by First Connect Event) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 29: Only For Training And Service Purposes
In testmode signal reset_pmu_n_o is high, that means the chip reset is fully controlled from external LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 30 - Copyright ©...
Page 30: Only For Training And Service Purposes
RF. If rf_sysclk_en_pmu is low, the DXCO is switched off, independent from vcxo_enable. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 31: Only For Training And Service Purposes
That means all PMU register are reset in OFF state. For details about the SW reset see chapter External Reset Handling LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 32 - Copyright ©...
Page 32: Only For Training And Service Purposes
Depending on this value it selects a startup pulse-width for the DC/DC converter out of a register table. (4-values) Copyright © 2009 LG Electronics. Inc. All right reserved. - 33 -...
Page 33: Only For Training And Service Purposes
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 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 34 - Copyright ©...
Page 34: Fem With Integrated Power Ampliﬁ Er Module
Arsenide (GaAs) die. One PA block supports the GSM850/900 bands and the other PA block supports the DCS1800/PCS1900 bands. Both PA blocks share common power supply pads to distribute current. The output of each PA block and the Copyright © 2009 LG Electronics. Inc. All right reserved. - 35 - LGE Internal Use Only...
Page 35: Only For Training And Service Purposes
LGE Internal Use Only LGE Internal Use Only - 36 - Copyright © 2009 LG Electronics. Inc. All right reserved. Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Only for training and service purposes...
Page 36: 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. Copyright © 2009 LG Electronics. Inc. All right reserved. - 37 - LGE Internal Use Only...
Page 37: Rf Subsystem Of Pmb8810 (U102)
LGE Internal Use Only LGE Internal Use Only - 38 - Copyright © 2009 LG Electronics. Inc. All right reserved. Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Only for training and service purposes...
Page 38: Only For Training And Service Purposes
DC offset removal and programmable gain control. Figure. 3.5.2 RECEIVER CHAIN BLOCK DIAGRAM Copyright © 2009 LG Electronics. Inc. All right reserved. - 39 - LGE Internal Use Only Only for training and service purposes LGE Internal Use Only Copyright ©...
Page 39: Only For Training And Service Purposes
The 26 MHz reference signal of the phase detector incorporated in the PLL is provided by the reference oscillator. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 40 - Copyright ©...
Page 40: Only For Training And Service Purposes
DAC. Figure. 3.5.4 PA AND FEM CONTROL BLOCK DIAGRAM LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 41: Only For Training And Service Purposes
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 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 42 - Copyright ©...
Page 42: Memory(Pf38F5060M0Y0Be, U202 )
133 MHz using CLK address-latching only on some litho/density combinations. It is listed below in the following table. Copyright © 2009 LG Electronics. Inc. All right reserved. - 43 - LGE Internal Use Only...
Page 43: Only For Training And Service Purposes
• 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. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 44 - Copyright ©...
Page 44: Bt Module
Operating in the globally available 2.4GHz unlicensed ISM band. It is fully compliant with the Bluetooth Radio Specification and enhanced data rate specification and meets or exceed the requirement to provide the highest communication link quality of service. Copyright © 2009 LG Electronics. Inc. All right reserved. - 45 - LGE Internal Use Only...
Page 45: Only For Training And Service Purposes
The receiver by the cellular transmit signal. LGE Internal Use Only - 46 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 46: Sim Card Interface
SIM_CLK This signal is transferred to SIM card. SIM_DATA This signal is interface datum. Copyright © 2009 LG Electronics. Inc. All right reserved. - 47 - LGE Internal Use Only Only for training and service purposes LGE Internal Use Only Copyright ©...
Page 47: Lcd Interface
S6D0164 is suitable for any medium-sized or small portable mobile solution requiring long-term driving capabilities such as digital cellular phones supporting a web browser, bi-directional pagers, and small PDAs. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 48 - Copyright ©...
Page 48: Only For Training And Service Purposes
The two LDOs can be enabled when the device is in sleep mode. Total current reduces to 0.1μA in shutdown. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 49 -...
Page 49: Only For Training And Service Purposes
LEDs. LGE Internal Use Only - 50 - Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 50: Battery Charger Interface
When the temperature exceeds +125°C, the current will fold back to reduce and control the die temperature. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Copyright © 2009 LG Electronics. Inc. All right reserved. - 51 -...
Page 51: Keypad Interface
Figure 3-11-1 MAIN KEY STRUCTURE LGE Internal Use Only - 52 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 52: Only For Training And Service Purposes
Figure 3-11-3 Block Diagram and System Integration of the KPD LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Copyright © 2009 LG Electronics. Inc. All right reserved. - 53 - LGE Internal Use Only...
Page 53: Audio Front-End
The following figure shows an architecture overview of the Audio section. Figure 3.12.1 Audio Section Overview LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 54 - Copyright ©...
Page 54: Only For Training And Service Purposes
• The high-pass functions of the voice band filters have to be implemented in firmware on TEAKLite®. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 55: Only For Training And Service Purposes
(with uni- or bipolar signals), Headset driver. LGE Internal Use Only - 56 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 56 The buffers are designed to be short circuit protected. Figure 3.12.3 Switching for R/L DACs onto Buffers LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 57: Only For Training And Service Purposes
To improve SNR the sample frequency can be doubled in dedicated modes and the modulated data stream is 4MHz instead of 2 MHz. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 58 - Copyright ©...
Page 58: Only For Training And Service Purposes
AFE_AUDIOINCTRL.VMICSEL. In case of an digital microphone VMIC can be used for supplying this microphone. Figure 3.12.5 Typical Microphone Supply Generation (alternative) Copyright © 2009 LG Electronics. Inc. All right reserved. - 59 - LGE Internal Use Only Only for training and service purposes LGE Internal Use Only Copyright ©...
Page 59: Camera Interface(1.3M 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 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 60 - Copyright ©...
Page 60: Only For Training And Service Purposes
• Semi planar storage format • Color processing (contrast, saturation, brightness, hue) • Power management by software controlled clock disabling of currently not needed sub-modules Copyright © 2009 LG Electronics. Inc. All right reserved. - 61 - LGE Internal Use Only...
Page 61: Key Baclklight Led Interface
Figure 3-14-1 Key Backlight Block LGE Internal Use Only - 62 - Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 62: Vibrator Interface
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 Copyright © 2009 LG Electronics. Inc. All right reserved. - 63 - LGE Internal Use Only...
Page 63: Flip Sw Interface
Figure 3-16-1 Hall effect switch Block Diagram LGE Internal Use Only - 64 - Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64: Trouble Shooting
FEM(Tx Module) X100 Crystal, 26MHz Clock LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 65 - LGE Internal Use Only...
Page 65: Rx Trouble
(3) Check PLL Control Re-download SW or Do calibration again LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 66 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 66: Only For Training And Service Purposes
1 pin Figure 4.2.2 Figure 4.2.3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 67 - LGE Internal Use Only...
Page 67: Only For Training And Service Purposes
OUTPUT2 FL402 B9508 SFSB0002302 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 68 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68: Only For Training And Service Purposes
L B _ T x H B _ T x LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 69 -...
Page 69: Tx Trouble
(3) Check PLL Control Redownload SW or Do calibration again LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Page 70: Only For Training And Service Purposes
1 pin Figure 4.3.2 Figure 4.3.3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 71 - LGE Internal Use Only...
Page 71: Only For Training And Service Purposes
OUTPUT2 FL402 B9508 SFSB0002302 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 72 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72: Only For Training And Service Purposes
L B _ T x H B _ T x LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 73 -...
Page 73: Power On Trouble
R126=1Kohm Figure 4.1 Figure 4.2 Remote power on LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 74 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 74: Only For Training And Service Purposes
A_D12 A_D_12 Figure 4.2 power block of GB220 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 75 - LGE Internal Use Only...
Page 75: Only For Training And Service Purposes
The phone will Replace the main board Properly operating. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 76 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 76: Charging Trouble
Change to withstanding voltage from 6.3V to 10V (080714) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 77 -...
Page 77: Only For Training And Service Purposes
Replace the main board Charging is properly operating LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 78 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 78: Vibrator Trouble
L101 18nH MOTOR MOTOR_N LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 79 - LGE Internal Use Only Only for training and service purposes...
Page 79: Only For Training And Service Purposes
Vibrator Working well ! LGE Internal Use Only - 80 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80: Lcd Trouble
R318 CN104 CN105 Figure 4.7 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 81 - LGE Internal Use Only...
Page 81: Only For Training And Service Purposes
MLED2 SWIF SWIF MLED3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 82 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82: Only For Training And Service Purposes
Graph 4.7.1. LCD Backlight Control Signal Waveform Graph 4.7.2. LCD Data Waveform LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 83: Only For Training And Service Purposes
Replace LCD module properly ? LCD working well ! LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 84 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 84: Only For Training And Service Purposes
MLED2 SWIF SWIF MLED3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 85 - LGE Internal Use Only Only for training and service purposes...
Page 85: Camera Trouble
FL300 FL302 FL304 FL306 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 86 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86: Only For Training And Service Purposes
Graph 4.8.3.CAM_VSYNC vs. CAM_PCLK Waveform CAM_HSYNC Waveform LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 87 - LGE Internal Use Only...
Page 87: Only For Training And Service Purposes
? Camera working well ! Figure 4-x. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 88 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 88: Speaker Trouble
C213 C214 2.2u 2.2u LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 89 - LGE Internal Use Only Only for training and service purposes...
Page 89: Only For Training And Service Purposes
Speaker Working well!! Working well!! LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 90 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 90: Earphone Trouble
U301 STF203-22-TC ENRY0006801 4.7u USB_P USB_DP D+IC LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. VBUS Only for training and service purposes USB_N D-IC USB_DM EDTY0006501 Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 91: Only For Training And Service Purposes
Change the U101 Earphone will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 92 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 92: Receiver Trouble
C213 C214 2.2u 2.2u LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 93 - LGE Internal Use Only Only for training and service purposes...
Page 93: Only For Training And Service Purposes
Resolder/Change the receiver Properly? Receiver will work properly. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 94 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 94: Microphone Trouble
VA200 VA201 RCLAMP0521P_TCT EDTY0009601 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 95 - LGE Internal Use Only Only for training and service purposes...
Page 95: Only For Training And Service Purposes
R202, R203 Microphone will work properly. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 96 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 96: Sim Card Interface Trouble
C221 C222 220n 1000p LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 97 - LGE Internal Use Only Only for training and service purposes...
Page 97: Only For Training And Service Purposes
Properly? SIM card is properly working SIM card is properly working. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 98 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 98: Key Backlight Trouble
R212 R211 Q200 Figure 4.14.1 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 99 - LGE Internal Use Only...
Page 99: Key Backlight Led
Replace or resolder Backlight will work properly. component LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 100 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 100: Micro Sd Trouble
C224 C225 C226 0.1u LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 101 - LGE Internal Use Only Only for training and service purposes...
Page 101 Replace Micro SD Card Micro SD Card will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 102 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 102: Bluetooth Trouble
100K 100K 100K R420 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 103 - LGE Internal Use Only Only for training and service purposes...
Page 103 U101 BT will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 104 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 104: Fm Radio Trouble
ENRY0006801 4.7u USB_DP USB_DM LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 105 - LGE Internal Use Only Only for training and service purposes...
Page 105 VDD_FMR FM_radio will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 106 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 106: Folder On/Off Trouble
C217 C215 C216 C218 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 107 - LGE Internal Use Only Only for training and service purposes...
Page 107 = 0V Slide on/off will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 108 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Page 108: Download
S/W download. Figure 5-1. S/W download & upgrade setup LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 109 -...
Page 109: Download Program User Guide
GB220 GB220 GB230 GB230 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 110 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110: Multi-Download Program Setting (Model-Base)
GB230 GB220 GB220 GB230 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 111 - LGE Internal Use Only Only for training and service purposes...
Page 111 GB230 GB220 GB220 GB230 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 112 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112: Block Diagram
Interface RPWRON 32.768KHz Crystal , 7pF LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 113 - LGE Internal Use Only...
Page 114: Circuit Diagram
GPIO Extender was eliminated JAN. 12, 2009 UA100 2.5G UART_RX UART_TX VCHAR VCHG ON_SW ON_SW RPWRON VBAT VBAT VBAT VBUS_USB URXD USB_N UTXD USB_P Copyright © 2009 LG Electronics. Inc. All right reserved. - 115 - LGE Internal Use Only Only for training and service purposes...
Page 115 C222 uSD_CMD 220n 1000p uSD_D3 CD_DAT3 DUMMY2 uSD_D2 DAT2 uSD_DET DETECT_A DETECT_B DUMMY3 C223 C224 C225 C226 0.1u LGE Internal Use Only - 116 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 I2C_SCL INOUT_A3 INOUT_B3 I2C_SDA R317 INOUT_A2 INOUT_B2 INOUT_A1 INOUT_B1 LCD_CD SWIF C331 FL306 L304 ICVE10184E150R500FR 22nH L305 22nH Copyright © 2009 LG Electronics. Inc. All right reserved. - 117 - LGE Internal Use Only Only for training and service purposes...
Page 117 RX34X C_GND1 C_GND3 2.7p INPUT2 GND1 L410 GND2 3.9nH OUTPUT1 INPUT1 OUTPUT2 C429 FL402 B9508 RX34 SFSB0002302 2.7p LGE Internal Use Only - 118 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 RX34X C_GND1 C_GND3 2.7p INPUT2 GND1 L410 GND2 3.9nH OUTPUT1 INPUT1 OUTPUT2 C429 FL402 B9508 RX34 SFSB0002302 2.7p Copyright © 2009 LG Electronics. Inc. All right reserved. - 119 - LGE Internal Use Only Only for training and service purposes...
Page 119 C326 2.2u nCAM_RESET CAM_PWDN C327 AXT324164 ENBY0034001 U302 PGND LDO1 SC624ULTRT LDO2 EUSY0263105 MLED1 MLED2 SWIF SWIF MLED3 LGE Internal Use Only - 120 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 7. CIRCUIT DIAGRAM DOWN DOWN -> KEY_ROW0 -> KEY_COL1(UP) -> -> KEY_COL2(DOWN) CN101 Copyright © 2009 LG Electronics. Inc. All right reserved. - 121 - LGE Internal Use Only Only for training and service purposes...
Page 122: Bga Pin Map
NOT USE U101 PMB8810_A_GOLDRADIO (EUSY0366601) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 123 - LGE Internal Use Only...
Page 123 ( 512 NOR / 128 pSRAM : AD MUX type) PF38F5060M0Y3DF ( EUSY 0368502) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 124 - Copyright ©...
Page 124 U401 BCM2070 ( EUSY 0382201 ) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Copyright © 2009 LG Electronics. Inc. All right reserved. - 125 - LGE Internal Use Only...
Page 126: Pcb Layout
9. PCB LAYOUT LD200,LD201 U201 -NO KEY BLACKLIGHT -NO FLIP OFF Copyright © 2009 LG Electronics. Inc. All right reserved. - 127 - LGE Internal Use Only Only for training and service purposes...
Page 127 -No Service SW 400 (mobile swithch) -Can’t make a call -Tx Low power -Not good Ber -No Service LGE Internal Use Only - 128 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 --NO Camera CN104 BAT 100(Back battery) -NO Camera -No service CN105 -NO LCD Display -NO Speaker& Receiver -NO Vibrator Copyright © 2009 LG Electronics. Inc. All right reserved. - 131 - LGE Internal Use Only Only for training and service purposes...
Page 132: Engineering Mode
1.11. Key Press Test 7.2. Cell Env. (Ded) 1.12. SpeakerVibTest 1.12.1. SPEAKER &VIB 1.12.2. SPEAKER ONLY 1.12.3. Vibrator ONLY Copyright © 2009 LG Electronics. Inc. All right reserved. - 133 - LGE Internal Use Only Only for training and service purposes...
Page 133 8.4.1. PTCRB Test 8.3.3.2. Down Grade 8.4.1.1. ON 8.3.3.3. Run DMClient 8.4.1.2. OFF 8.5. Auto Call Test 8.6. Aging Test LGE Internal Use Only - 134 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134: Stand Alone Test
2. Check PC Bau Rate 3. Confirm EEPROM & Delta file prefix name 4. Click “Update Info” for communicating Phone and Test-Program Copyright © 2009 LG Electronics. Inc. All right reserved. - 135 - LGE Internal Use Only Only for training and service purposes...
Page 135 5. For the purpose of the Standalone Test, Change the Phone to “ptest mode” and then Click the “Reset” bar. 6. Select “Non signaling” in the Quick Bar menu. Then Standalone Test setup is finished. LGE Internal Use Only - 136 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136: Tx Test
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. Copyright © 2009 LG Electronics. Inc. All right reserved. - 137 -...
Page 137: 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. ① ③ ② LGE Internal Use Only - 138 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139: Auto Calibration
ShieldBox_DllD.dll HK_40 Model GB 220 Spec_GB220_001 Setup_Cal_Parameter_001 script_001 PwrSupply_Cmd Procedure_GB220_001 Ezlooks AutoSetup_GB220_001 xmm2130_eep025.cfg LG_RfTest_E5515C_122.dll LG_RfCal_InfiKE000Ag_177.dll dwdio.dll LG_UI_Ad6500_004.dll Multi_HK LGE Internal Use Only - 140 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140: Description Of Basic File
-. Setup_Cal_Parameter_001.xml : Calibration Definition Module. 6. UI -. LG_UI_Ad6500_002.dll : ADI Model UI Dll. 7. Multi_HK -. Registration File For System Setting. Copyright © 2009 LG Electronics. Inc. All right reserved. - 141 - LGE Internal Use Only Only for training and service purposes...
Page 141: Procedure
Connect as Fig 11-2 (RS232 serial cable is connected between COM port of PC, in general.) . Run HK_40exe to start calibration. Click “ Logic Operation” of “SETTING” menu bar LGE Internal Use Only - 142 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 10. Select “ LOGIC MODE” that you want Logic mode: 1-> Calibration only 2-> Auto test only 3-> Cal & Auto Copyright © 2009 LG Electronics. Inc. All right reserved. - 143 - LGE Internal Use Only Only for training and service purposes...
Page 143 12. AUTO CALIBRATION 11. Select the model name “GB220” Model name Start button 12. Click “start” button LGE Internal Use Only - 144 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144: Agc
Channel PCS 1900 Frequency 1850.2 MHz 1880 MHz 1909.8 MHz Max power 29.5 dBm 29.5 dBm 29.5 dBm Copyright © 2009 LG Electronics. Inc. All right reserved. - 145 - LGE Internal Use Only Only for training and service purposes...
Page 146: Exploded View & Replacement Part List
33 34 39 40 41 42 43 44 45 46 73 59 47 48 71 72 53 54 Copyright © 2009 LG Electronics. Inc. All right reserved. - 147 - LGE Internal Use Only Only for training and service purposes...
Page 148: Replacement Parts
MOLD, PC LUPOY SC-1004A, , , , , BLACK WITHOUT MFBC00 FILTER,SPEAKER MFBC0046601 COMPLEX, (empty), , , , , COLOR Copyright © 2009 LG Electronics. Inc. All right reserved. - 149 - LGE Internal Use Only Only for training and service purposes...
Page 149 COVER,FRONT MCJK0097801 MOLD, PC LUPOY SC-1004A, , , , , BLACK MICA00 INSERT,FRONT MICA0019901 M1.4 D2.2 L1.5 Gold LGE Internal Use Only - 150 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150 E, 38 COLOR WITHOUT MPBG00 PAD,LCD MPBG0086701 COMPLEX, (empty), , , , , COLOR ACGM00 COVER ASSY,REAR ACGM0125101 SILVER Copyright © 2009 LG Electronics. Inc. All right reserved. - 151 - LGE Internal Use Only Only for training and service purposes...
Page 151 CAN,SHIELD MCBA0042001 PRESS, STS, , , , , COLOR WITHOUT MLAZ00 LABEL MLAZ0038301 PID Label 4 Array COLOR LGE Internal Use Only - 152 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152: Main Component
3.0 ,-5.0 dBd,, ,internal, GSM850/900/1800/1900 ,; SNGF00 ANTENNA,GSM,FIXED SNGF0047002 ,QUAD ,-5.0 ,50 ,3.0 SAFY00 PCB ASSY,MAIN SAFY0288102 BLACK I, 60 Copyright © 2009 LG Electronics. Inc. All right reserved. - 153 - LGE Internal Use Only Only for training and service purposes...
Page 153 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C129 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP LGE Internal Use Only - 154 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP C217 CAP,CHIP,MAKER ECZH0001215 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP C218 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 155 - LGE Internal Use Only Only for training and service purposes...
Page 155 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C334 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP C335 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP LGE Internal Use Only - 156 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 18 PIN,0.4 mm,ETC , , ,; ,18 ,0.40MM ,ANGLE CN300 CONNECTOR,I/O ENRY0006801 ,RECEPTACLE ,SMD ,R/TP , CN301 CONNECTOR,ETC ENZY0022201 3 ,2.5 mm,ETC , , Copyright © 2009 LG Electronics. Inc. All right reserved. - 157 - LGE Internal Use Only Only for training and service purposes...
Page 157 3.3 nH,S ,1005 ,R/TP ,PBFREE L403 INDUCTOR,CHIP ELCH0001034 3.3 nH,S ,1005 ,R/TP ,PBFREE L404 INDUCTOR,CHIP ELCH0005001 2.2 nH,S ,1005 ,R/TP , LGE Internal Use Only - 158 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 10 Kohm,1/16W ,J ,1005 ,R/TP R125 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R126 RES,CHIP,MAKER ERHZ0000404 1 Kohm,1/16W ,J ,1005 ,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 159 - LGE Internal Use Only Only for training and service purposes...
Page 159 100 Kohm,1/16W ,J ,1005 ,R/TP R307 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R308 RES,CHIP,MAKER ERHZ0000237 20 Kohm,1/16W ,F ,1005 ,R/TP LGE Internal Use Only - 160 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 SAFP0000401 SHORT R414 RES,CHIP,MAKER ERHZ0000434 1 ohm,1/16W ,J ,1005 ,R/TP R417 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 161 - LGE Internal Use Only Only for training and service purposes...
Page 161 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (50 Ohm,15pF) FL302 FILTER,EMI/POWER SFEY0011601 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (50 Ohm,15pF) LGE Internal Use Only - 162 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 FR-4 ,0.8 mm,BUILD-UP 8 , ,; , , , , , , , , , QFN ,4 PIN,R/TP ,1.8X1.2X0.5 size wide input voltage U201 EUSY0313401 Hall Switch Copyright © 2009 LG Electronics. Inc. All right reserved. - 163 - LGE Internal Use Only Only for training and service purposes...
Page 163: Accessory
100-240V ,5060 Hz,5.6 V,.4 A,CE ,AC-DC ADAPTOR ,; ADAPTOR,AC-DC SSAD0028802 ,85Vac~264Vac ,5.6V +/-0.8V ,400mA ,5060 , ,WALL 2P ,I/O CONNECTOR , LGE Internal Use Only - 164 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG GB220 Service Manual

1 Introduction

2 System Specification

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

13 Exploded View & Replacement Part List

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