Page 1 CU400 SVC cover(8)_0104 1904.1.13 3:2 PM ˘ Internal Use Only Service Manual CU400 Date: January, 2007 / Issue 1.0...
Page 2: Table Of Contents
4.4 Checking UMTS Block ......71 10.3 Accessory ......... 174 4.5 Checking GSM Block ......78 4.6 Power ON Troubleshooting....86 4.7 Charger Troubleshooting .......88 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...
Page 4: Introduction
The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 5 -...
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. - 6 - Only for training and service purposes...
Page 6: Performance
Available AC Input Power AC 100 ~ 240V Max Available DC Input Power 12V Max °C Storage Temperature -30 ~ +85 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
Page 7: Radio Performance
: -98dBm/-96dBm (2.439%) AM Suppression -98dBm/-96dBm (2.439%) -GSM : -31dBm - DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
Page 8: Only For Training And Service Purposes
< 17.5 %, when Pout ≥ -20 dBm Peak Code Domain Error < -15 dB at Pout ≥ -20 dBm Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
Page 9: Only For Training And Service Purposes
< -57 dBm / 100 kHz BW @ 9 kHz ≤ f < 1 GHz < -47 dBm / 1 MHz BW @ 1 GHz ≤ f ≤ 12.75 GHz LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...
Page 10: Current Consumption
-98 ± 2 dBm -100 ± 2 dBm BAR 1 → 0 -101 ± 2 dBm -105 ± 2 dBm Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...
Page 11: Battery Bar
Headset : 60 ~ 98dBspl 2) Talk : a) Speaker : 60 ~ 98dBspl b) Headset : 60 ~ 98dBspl LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...
Page 12: Rf Technical Brief
GPIO CONNECTIVITY AUDIO RF SBI MP3, AAC, Rx ADC EVRC, QCELP AMR, CMX, MIDI Tx DAC USIM PM6650 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
Page 13: Msm6280 (Gpio Map)
GPIO[48] KEYSENSE4_N KEY_ROW(4) GPIO[49] KYPD_9 KEY_COL(4) GPIO[50] KYPD_11 KEY_COL(3) GPIO[51] KYPD_13 KEY_COL(2) GPIO[52] KYPD_15 KEY_COL(1) GPIO[53] KYPD_17 KEY_COL(0) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
Page 14: Only For Training And Service Purposes
GPIO[98] PA_POWER_CTL_N GPIO[99] SDCC_DAT(1) GPIO[100] SDCC_DAT(2) GPIO[101] SDCC_DAT(3) GPIO[102] GRFC11 GPIO[103] GRFC12 GPIO[104] MDP_VSYNC_SEC LCD_MAKER_ID GPIO[105] MDP_VSYNC_PRI ON_SW_N Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
Page 15: Rf Block Diagram
-LB_RF_OUT1 FILTER QUAD PA -HB_RF_OUT2 DCS/PCS BLUETOOTH RF MODULE BLUETOOTH RF TCXO BT_SBST/CK/DT BT_SBST/CK/DT BT_RX_TX_N BT_RX_TX_N BT_DATA BT_DATA LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
Page 16: Memory
512Mb 512Mb NAND_WP* CAS* (64MB) (64MB) RAS* NAND_ALE CLK_EN NAND_READY MSM6280 DATA[7:0] DQM[3:0] SIM_RESET SIM_IO USIM SIM_CLK PMIC Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
Page 17: Camera & Lcd Interface
M_LCD "2 0.3M EBI2_DATA[15:0] CAM_MCLK TFT(QCIF) MSM6280 CAM_PCLK Camera CAM_VSYNC LCD_CS_N IOVDD_2.6V (MSMP) S_LCD"0.98 CAM_HSYNC SUB_LCD_CS_N MSTN CAM_DATA[7:0] LCD_MAKER_ID LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
Page 18: Interface Usb,Uart,Sim,Jtag
TRANSCEIVER USB_OE_N SSBDT_PM PM6650 USB , UART UART3 JTAG /PM_SBI USIM UART2 TRANSCEIVER /RUIM1 UART1 JTAG Interface JTAG Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes...
Page 19: Power Block Diagram
Pass Tr BACKLIGHT_CTRL SPK_AMP_EN Receptacle TPA2005 Receptacle TPA2005 +VPWR Bluetooth Bluetooth VREG_TCXO (2.85V/ 50mA) TCXO TCXO USIM USIM LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
Page 20: Peripheral
SSBDT_PM UART3 (PM_SBI) UART TX/RX UART1 (IrDA) JTAG CON, UART,USB USB_D+,D-,VBUS TRST_N, TCK, TMS, TDI, TDO, RTCK JTAG Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
Page 21: Audio Block Diagram
4 Pole HOOK_SENSE MIC2P VREG_MSMP_2.7V MSM6280 MICBIAS MIC1P 4Pie, 1.1T MIC1N -42dB +/-3dB Receiver RCV+ 13Pie*3T RCV- 32ohm, 30mW LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
Page 22: Digital Baseband(Dbb/Msm6280)
• Vocoder support (AMR, FR, EFR, HR) • Advanced 14 x 14 mm, 0.5 mm pitch, 409-pin lead-free CSP packaging technology • SD/SDIO hardware support Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 -...
Page 23: Only For Training And Service Purposes
NAND 512M HDET SDRAM 512M 1900 RX_SAW Power RFR6275 USIM W-VCO PM665 RX_SAW Bluetooth Figure. Simplified Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
Page 24: Only For Training And Service Purposes
MP3, AAC, Rx ADC EVRC, QCELP AMR, CMX, MIDI Tx DAC USIM PM6650 Figure. Simplified Block Diagram of MSM6280 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
Page 25: Subsystem(Msm6280)
Support modes conform to release '99 specifications of the sub-feature. ■ Voice features ❏ FR ❏ EFR ❏ AMR ❏ HR ❏ A5/1, A5/2, and A5/3 ciphering LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
Page 26: Only For Training And Service Purposes
■ Audio Codecs: AMR-NB, AAC, AAC Plus, Enhanced AAC Plus, Windows Audio v9, Real Audio 8 (G2) ■ Internal vocoder supporting AMR, FR, EFR, and HR Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 -...
Page 27: Only For Training And Service Purposes
■ Enable various accessories via USB host connectivity. ❏ Integrated USB host controller functionality ■ Enable compelling visual and audio applications. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
Page 28: Only For Training And Service Purposes
■ Pitch bend range support ■ LED/vibrate support ■ Scalable Vector Graphics (SVG- Tiny 1.1 + SVG Tiny 1.2) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
Page 29: Only For Training And Service Purposes
Audio/video decoders H.264, Windows Media, Real 2D/3D graphics HW acceleration HW-100K triangles/sec Table 1-1 Summary of MSM6280 device features LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...
Page 30: Only For Training And Service Purposes
ANSI/IEEE 1149.1A-1993 feature list. The JTAG interface can be used to test digital interconnects between devices within the mobile station during manufacture. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 31: Only For Training And Service Purposes
The USB controller acts as a USB peripheral communicating with the USB host. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
Page 32: Power Block
MSM device controls and statuses the PM6650 IC using Single Serial Bus Interface (SSBI) supplemented by an Interrupt Manager for time-critical information. Another dedicated IC Interface circuit monitors multiple trigger events and controls the power-on sequence. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 -...
Page 33: Only For Training And Service Purposes
3. TECHNICAL BRIEF Figure. PM6650 Functional Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
Page 34: Only For Training And Service Purposes
± ± ± ± 3.42 0.05V 3.68 0.05V 0.05V 3.52 0.05V CU400 Battery Bar Display(Stand By Condition) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 - Only for training and service purposes...
Page 35: Only For Training And Service Purposes
(VBAT). Trickle charging can be used for lithium-ion and nickel-based batteries, with its performance specified below (3.2V). The charging current is set to 80mA. Parameter Unit Trickle Current LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
Page 36: Only For Training And Service Purposes
• Low battery POP UP : Idle - 3.42V, Dedicated(GSM/WCDMA) - 3.52V • Low battery alarm interval : Idle - 3 min, Dedicated - 1min • Cut-off voltage : 3.28V Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 -...
Page 37: External Memory Interface
Toshiba 50 ns 50 ns SDRAM TY90009800C0GG Toshiba 15 ns 15 ns Table#1. External memory interface for CU400 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
Page 38: H/W Sub System
GRFX6_GPIO9 ANT_SEL0 GRFC5_AUX_SBST_GPIO8 GSM_SAW_SW_MODE GRFC4_AUX_SBCK_GPIO7 GRFC3_GPIO6 GRFC2_GPIO5 GSM_PA_BAND GRFC1_AUX_SBDT_GPIO4 GSM_PA_EN GRFC0_GPIO3 Figure. Schematic of RF Interface of MSM6280 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
Page 39: Only For Training And Service Purposes
• GSM_PA_RAMP : Power Amp Gain Control of APC_IC • GSM_PA_EN : Power Amp Gain Control Enable of APC_IC • GSM_SAW_SW_MODE: GSM SAW Filter Switch LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...
Page 40: Only For Training And Service Purposes
UART signals are connected to MSM GPIO through IO connector with 115200 bps speed. GPIO_Map Name Note GPIO_96 UART_RXD Data_Rx GPIO_95 UART_TXD Data_Tx Table. UART Interface Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
Page 41: Only For Training And Service Purposes
USB_VBUS USB_DAT USB_DAT USB_D+ USB_D_P USB_SE0 USB_SE0 USB_D- USB_D_M GP1_DRV_N(MPP7) Figure. Schematic of USB block(MSM6280Side & PM6650 Side) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...
Page 42: Only For Training And Service Purposes
3. TECHNICAL BRIEF CU400 have a protective circuit for booting from USB. When the phone is booting from USB_VBUS without Battery, booting current is insufficient. Sometimes that can break the USB port of a computer. For this reason, CU400 do not support booting from USB.
Page 43: Only For Training And Service Purposes
Ear jack Detection for TTY HKADC4 PCB_Rev_ADC PCB Version Check HKADC5 Battery_THERM Battery Temperature Check Table. HKADC channel table LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...
Page 44: Only For Training And Service Purposes
RIGHT KEY_ROW(2) SEARCH KEY_ROW(3) HOT601 HOT602 BACK KEY_COL(0) HOT4 HOT5 KEY_ROW(4) KEY_COL(1) KEY_COL(2) KEY_COL(3) KEY_COL(4) Figure. Keypad Circuit Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
Page 45: Only For Training And Service Purposes
CAM_EN SPK_EN CON600 CN600 CN601 KEY_ROW(0) KEY_ROW(4) KEY_ROW(3) KEY_ROW(1) KEY_COL(5) KEY_COL(5) KEY_ROW(2) KEY_COL(5) Figure. Keypad Circuit (Side KEY) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...
Page 46: Only For Training And Service Purposes
VREG_MSMP_2.6V VGA_CAM_RESET CAM_PCLK I2C_SCL CAM_DATA(0) I2C_SDA CAM_DATA(1) CAM_DATA(2) CAM_HSYNC CAM_DATA(3) CAM_VSYNC CAM_DATA(4) CAM_DATA(7) CAM_DATA(5) CAM_DATA(6) AXK720147G FPCB_TO_CAMERA CONNECTOR Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
Page 47: Only For Training And Service Purposes
Camera I/O Power VREG_CAM_2.8V Camera I/O Power Table. Interface between Camera Module and LCD FPCB (in camera module) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
Page 48: Only For Training And Service Purposes
2.6V. This folder signal is delivered to MSM6280 GPIO92. FOLDER_DETECT R600 VREG_MSMP_2.6V U600 A3212EELLT-T FOLDER_DETECT Figure. Schematic of Folder ON/OFF detection circuit Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
Page 49: Only For Training And Service Purposes
LEBB-S14H LD613 LD614 LD615 R616 R617 R618 100ohm 100ohm 100ohm LEBB-S14H LEBB-S14H LEBB-S14H KYBD_BACKLIGHT Figure. Keypad Backlight Circuit LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
Page 50: Only For Training And Service Purposes
- Driving Method : A-Si TFT Active Matrix - 16 bit CPU interface Parallel Figure. LCD Module Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...
Page 51: Only For Training And Service Purposes
MOTOR_PWR- +VPWR AXT454164 CAM_HSYNC INOUT_A4 INOUT_B4 CAM_VSYNC INOUT_A3 INOUT_B3 CAM_PCLK INOUT_A2 INOUT_B2 VGA_CAM_RESET INOUT_A1 INOUT_B1 I2C_SCL ICVE21184E150R500FR I2C_SDA LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...
Page 52: Only For Training And Service Purposes
The microphone interface consists of two differential microphone inputs, one differential auxiliary input and a two-stage audio amplifier. (+16.5dB) Figure. Audio Interface Detailed Diagram(MSM6280) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...
Page 53: Only For Training And Service Purposes
ENJE0003105 VREG_MSMP_2.6V 2.2K R303 C310 0.1u VIN- TTY_ADC_DET HOOK_SENSE VIN+ Pull-down U300 NCS2200SQ2T2G Figure . Audio part schematics LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
Page 54: Only For Training And Service Purposes
C328 0.01u U301 LINE_P FB301 R312 HH-1M1005-601JT FB302 SPK_AMP_EN HH-1M1005-601JT ENBY0001802 24-8005-002-100-867 C332 Figure . Audio part schematics Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...
Page 55 32 ohm receiver MIC300 OSF211-42D -42 dB microphone Ear jack CON300 KJA-PH-3-0059 Ear jack Table. Audio main component list LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
Page 56: Main Features
- MP3/AAC decoder and play - MPEG4 encoder/decoder and play/save - JPEG en/decoder - Supports Bluetooth, USB - 1,100 mAh (Li-Ion) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...
Page 57: Only For Training And Service Purposes
3. TECHNICAL BRIEF 2. CU400 Main Component Logic /Audio Logic /Audio Bluetooth Main board, Bottom Main board, Top LCD FPCB LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...
Page 58: Only For Training And Service Purposes
SP8T FL104 W850 Duplex U102 GSM PAM FL101 W1900 Duplex FL100 GSM SAW U105 WCDMA PAM U101 RTR6275 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...
Page 59: Only For Training And Service Purposes
X200 J500 USIM connector U302 Memory BAT400 Back-up Battery M100 BT module CN501 IO connector ANT101 BT ANT LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
Page 60: Only For Training And Service Purposes
Description Reference Description SPK+ Speaker Socket CON300 Ear_jack connector CN500 LCD connector D300 TVS Diode U400 Charge pump Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
Page 61: Trouble Shooting
4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.1 RF Component LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
Page 63: Only For Training And Service Purposes
4. TROUBLE SHOOTING 4.1.1 SIGNAL PATH_UMTS RF LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
Page 64: Only For Training And Service Purposes
4. TROUBLE SHOOTING 4.1.2 SIGNAL PATH_GSM RF Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
Page 65: Checking Vcxo Block
100K RFR6275_TCXO C145 1000p C147 1000p TCXO_BT U104 TC7S04FU Schematic of the Crystal Part Test Point (Crystal Part) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
Page 67: Checking Ant. Sw Module Block
4. TROUBLE SHOOTING 4.3 Checking Ant. SW Module Block ANT_SEL0 ANT_SEL1 ANT_SEL2 ANT_SEL3 Antenna Switch Block(Bottom) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
Page 68: Only For Training And Service Purposes
UMTS2 1.8-3.0V 0-0.2V 1.8-3.0V 1.8-3.0V 2.4-3.0V Idle 0-0.2V 0-0.2V 0-0.2V 0-0.2V 0-0.2V Logic Table of the Antenna Switch Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...
Page 69: Only For Training And Service Purposes
4. TROUBLE SHOOTING Checking Switch Block power source LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
Page 70: Checking Umts Block
4. TROUBLE SHOOTING 4.4 Checking UMTS Block 4.4.1 Checking TX POWER of UMTS1900MHz Test Point (RF TX POWER of UMTS1900) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...
Page 71: Only For Training And Service Purposes
4. TROUBLE SHOOTING For testing, Max power of UMTS1900MHz is needed. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
Page 72: Only For Training And Service Purposes
4. TROUBLE SHOOTING 4.4.2 Checking TX POWER of UMTS 850MHz Test Point of RF TX POWER of UMTS 850 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...
Page 73: Only For Training And Service Purposes
4. TROUBLE SHOOTING For testing, Max power of UMT850MHz is needed. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
Page 74: Only For Training And Service Purposes
4. VREG_W_PA : UMTS PAM Main Voltage ( 3V < VREG_W_PA < 4.2V) R127 UMTS1900 UMTS850 Coupler Coupler VREG_W_PA (C128) VREG_RF_2.85V (C128) VREG_RF_2.85V (C148) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...
Page 75: Only For Training And Service Purposes
VDDA7 1.8p 39nH VDDA8 VDDA9 GND_SLUG VDDA10 C190 VDDA11 R137 VDDA12 VREG_MSMP_2.6V VDDM1 VDDM2 VDDA13 VDDA14 RFR6275 Vbias’ LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
Page 76: Only For Training And Service Purposes
4. TROUBLE SHOOTING TP*`: UMTS 850 RX PATH TP*: UMTS 1900 RX PATH Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...
Page 78: Only For Training And Service Purposes
GSM_PA_RAMP DCS RX HIGH HIGH 2.2K PCS RX HIGH UMTS 850 HIGH HIGH UMTS 1900 HIGH HIGH HIGH Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
Page 79: Only For Training And Service Purposes
4. TROUBLE SHOOTING Checking RF Tx level LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
Page 80: Only For Training And Service Purposes
GND3 GND1 FL100 GND2 VRAMP GSM_OUT GSM_IN RFOUT RFIN R114 GSM_PA_RAMP 2.2K LMSM32AA-533 Schematic of GSM PAM Block Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
Page 81: Only For Training And Service Purposes
CAL_INP R108 DCS_PCS_OUT DCS_PCS_IN DCS_PCS_TX CAL_INN GND5 GSM_PA_BAND WLNA_IN 11.4dB GND4 TX_EN GSM_PA_EN Schematic of GSM850/GSM900/DCS/PCS Rx Block LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
Page 82: Only For Training And Service Purposes
Module(U100) and Signals exits? soldering of TPs GSM850/GSM900/ Rx still has problems? DCS/PCS Rx is OK Re-download & Calibration Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
Page 83: Only For Training And Service Purposes
10OL21C7AJ00003 L132 GND1 M100 GND2 FEED 4.7nH GND3 RB04 ANT101 C161 VREG_BT_2.85V C166 C175 0.1u 100p C177 VREG_MSMP_2.6V LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
Page 84: Only For Training And Service Purposes
Signals exits? nge the X100 Is clock ok? 19.2M Change the M100 Signals exits? Change the Main board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
Page 85: Power On Troubleshooting
VREG_MSMA_2.6V power up? Is clock ok? R405 : 19.2M Check the TXCO X400(pin1,4) : 32.768Khz Change the Main board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
Page 86: Only For Training And Service Purposes
4. TROUBLE SHOOTING VREG_MSMP VREG_MSMA VREG_MSME VREG_MSMC R405 : 19.2Mhz VREG_TCXO X400 : 32.768Khz D400 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
Page 87: Charger Troubleshooting
- Connect TA and battery to the phone Troubleshooting Procedure - Check the charger connector - Check the charging current Path - Check the battery LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
Page 88: Only For Training And Service Purposes
4. TROUBLE SHOOTING R400 Q401 Q400 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
Page 89: Only For Training And Service Purposes
Is the TA voltage Change TA 4.6V? Is it charging properly After turning on Q400, Q401? Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
Page 90: Usb Troubleshooting
4.8 USB Troubleshooting USB Initial sequence of CU400 is : USB connected to CU400 power on → USB_VBUS(Q500) go to 5V → USB_D+ go to 3.3V → 48M Crystal on → USB_VP and USB_VN is triggered → USB work. Start...
Page 92: Sim Detect Troubleshooting
USIM_P_CLK is run? Change SIM card Work well? Change the Main board Ground USIM_P_DAT A USIM_P_CLK VREG_UIM_2.85 USIM_P_RST_N Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
Page 93: Camera Troubleshooting
Change the Main board Check the CAM_MCLK (FB500) Change the camera Camera is OK Change the Main board FB500 C506 C505 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
Page 94: Keypad Backlight Troubleshooting
Signal +VPWR is above 3.2V? VA614 is 0V ? Change the Main board Change the Main board VA614 VPWR Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
Page 95: Folder On/Off Troubleshooting
Approach the magnet to U600 Change the U600 FLIP(U600 pin 1) is 0V? Change the Main board U600 OUT Pin magnet LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
Page 96: Main Lcd Troubleshooting
Change the LCD module LCD display OK? Change the Main board LCD display OK? Change the LCD FPCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
Page 97: Receiver Path
PIN1,PIN2, CN500? Check LCD FPCB. The sine wave appears at Check main/upper connector. PIN1,PIN2,CN500 Change the Main board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
Page 99: Headset Path
Sine wave appears at Change the Head_Set R300/R302? Sine wave appears Re-solder C302/C303 at C302/C303 ? Change the Main board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
Page 101: Speaker Phone Path
Change the Main board SPK+ Re-connect speaker Connecting speaker OK? Can you hear the tone? Change the speaker LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
Page 103: Main Microphone
Make sound to MIC Sine wave appears at Change the MIC C323,C324 ? Change the Main board Work well? LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
Page 105: Headset Microphone
Change the headset or Sine wave appears at SUB board and retry. C300 ? Change the Main B’d LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
Page 107: Vibrator
Change the MAIN board or is 0V? Check the LCD FPCB Change vibrator GP1_DRV_N(MPP7) KYBD_BACKLIGHT PM_ON_SW_N MOTOR_PWR- USIM_P_DATA Motor_PWR- LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...
Page 108: Download
LGMDP supports Windows 2000/XP where the LG (Ver 4.6 or later) USB modem driver is installed. Additionally, LGMDP allows multi downloading up to 8 handsets at the same time.
Page 109 (The port number(COM7) and model name shall be different from that of the port number in the snapshot.) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...
Page 110 The status Ready is displayed when the application is ready for downloading. While the images are transmitted from PC to the handset, a progressive bar (Red box) indicating the degree of transmission of data is displayed. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 -...
Page 111 The following slide describes how to use or set options in detail. (The model name shall be different from that of the model name in the snapshot.) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...
Page 112 7) Override Partition Table : If memory map was changed, you must select this option. (Defaultly selected option) 8) Start : Starting downloading the selected individual image. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 -...
Page 113 ★ if you select the image folder, the program will automatically load images accordingly. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
Page 114 5. DOWNLOAD ★ if you select the image folder, the program will automatically load images accordingly. Automatically load images Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
Page 115 Normally LGMDP will downloaded all files that need downloading. To download selected image file only simply select the image file that user want to process downloading. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 116 - Only for training and service purposes...
Page 116: Download Process
Download MODULE EFS Erase Download PBL and Reset QCSBL Download OEMSBL Download End Download MODEM Reset <Download process> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
Page 117 • Erasing the existing directories and files before the Module image is downloaded. • Downloading the AMSS modem image LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
Page 118 • Rebooting the handset and re-establishing the connection • Erasing the existing directories and files before downloading the selected Media image Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...
Page 119 • Downloading Media image in progress • Downloading Module image in progress • Downloading process has completed successfully LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
Page 120 Device Manager is designed to monitor USB connectivity and check where the COM has been installed . Select Device Manager from the Tools of the file menu. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 121 Select directory to store log files by clicking on the ... button. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
Page 123 5. DOWNLOAD 2) NV Restore error When you meet the “NV Restore error”, LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
Page 125 ★ The files are saved every NV Backup. The name is based on the time when NV Backup is done.) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...
Page 127 ➝ If you want image download and NV backup file restore at once, use the NV Default function. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
Page 129: Caution
6) Erase EFS option will erase everything (media, module, nv items, and user data) in the EFS area. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
Page 130: Block Diagram
TX_SAW SSBI NAND 512M HDET SDRAM 512M RX_SAW 1900 RFR6275 Power SSBI USIM SSBI W-VCO PM6650 RX_SAW Bluetooth Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...
Page 132: Circuit Diagram
RFR6275 VREG_W DRAWING DRAWING Rev_1.1 LG Electronics Inc. LG Electronics Inc. LG Electronics Inc. LG Electronics Inc. LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 133 - LGE Internal Use Only Only for training and service purposes...
Page 133 MDDIC_STBN C240 Place near 0.1u MSM pin AD26 R214 2.7K R215 2.7K VREG_MSMP_2.6V (Check CAM_DATA PINOUT !!!!) LGMC LGE Internal Use Only - 134 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 UART_TXD UFLS ON_SW ON_SW PM_ON_SW_N VBAT VBATT VBAT USB_VBUS URXD USB_D- GND300 GND301 GND302 GND303 UTXD USB_D+ LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 135 - LGE Internal Use Only Only for training and service purposes...
Page 135 --->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR- BATT_FET_N Q402 SI3493DV-E3 VREG_W_PA +VPWR C439 R409 100K R410 PA_FET_N LGMC LGE Internal Use Only - 136 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 R507 J500 USB_D- USB_D+ GND1 VREG_USIM_2.85V USIM_P_RST_N USIM_P_DATA USIM_P_CLK GND5 GND2 USB_VBUS_IN GND4 GND3 PLR0504F ENSY0016601 HSSC-6p-25 LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 137 - LGE Internal Use Only Only for training and service purposes...
Page 137 HOT4 HOT5 R616 R617 R618 KEY_ROW(4) KEY_COL(1) 100ohm 100ohm 100ohm LEBB-S14H LEBB-S14H LEBB-S14H KEY_COL(2) KEY_COL(3) KYBD_BACKLIGHT KEY_COL(4) LGMC LGE Internal Use Only - 138 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 I2C_SCL CAM_DATA(0) I2C_SDA CAM_DATA(1) CAM_DATA(2) CAM_HSYNC CAM_DATA(3) CAM_VSYNC CAM_DATA(4) CAM_DATA(7) CAM_DATA(5) CAM_DATA(6) AXK720147G FPCB_TO_CAMERA CONNECTOR VISION MARK LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 139 - LGE Internal Use Only Only for training and service purposes...
Page 144: Calibration & Rf Auto Test Program
Info_Db.txt Dll_SerialATD.dll FTMLib.dll DLL_PwrControlD.dll LG_RfCal_QuCU400Ag_099.dll DLL_E5515CD.DLL ModelInfo.txt AT_Serial_Cmd.xml PwrSupply_Cmd.xml : Directory PwrSupply_Cmd.xml QLib.dll : File Rf_AutoMain_Ver1114.dll Setup_Cal_Test.xml Setup_RF_AutoTest.xml Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
Page 145 5: You can change this as ‘auto’ or ‘cal’(should be in lower case; on, off) 6: Relative path of auto model procedure, spec, setting file from Hot_KimchiD.exe LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
Page 146 [tescom] => The yes or no for using TESCOM shield box [process] => selection of the process (auto or cal) [CU400] => procedure, spec., setup file name (only for auto) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 147 [process]=[cal] Ex3) Domestic factory [ezlooks]=[on] [batcal]=[on] [svc]=[off] [standalone]=[off] [tescom]=[off] [process]=[cal] In case of using Tescom S/B, set [tescom]=[on]. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
Page 148: How To Use Hot Kimchi
1. Select the model name which you want 2. Click APPLY button to load the ‘cal’ 3. Click START button to run the procedure which you want Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 -...
Page 149: Example For Using Hot Kimchi
9.3 Example for using HOT KIMCHI Exe_QCU400Ver0.99A Choose Exe_QCU400Ver0.99A Exe_QCU400Ver0.99A Click APPLY button Click START button - CU400_Ver0.99A Calibration - LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
Page 150 9. Calibration & RF Auto Test Program 9.3.1 Example for Calibration ver097A CU400 Click START Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
Page 152: Exploded View & Replacement Part List
10. EXPLODED VIEW & REPLACEMENT PART LIST 10.1 EXPLODED VIEW 15 72 70 18 Copyright © 2007 LG Electronics. Inc. All right reserved. - 153 - LGE Internal Use Only Only for training and service purposes...
Page 154: Replacement Parts
TAPE,PROTECTION MTAB0130801 COMPLEX, (empty), , , , , MTAB01 TAPE,PROTECTION MTAB0130901 COMPLEX, (empty), , , , , 16,28 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
Page 155 40 PIN,0.4 mm,ETC , ,H=0.9, Header BOARD TO BOARD CONNECTOR, ENBY003 ENBY0039101 54 PIN,0.4 mm,ETC , ,H=1.5, P4S Socket BOARD TO BOARD LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
Page 156 CAP,SCREW MCCH0095601 MOLD, Silicone Rubber KE941-U, , , , , Black MLAK00 LABEL,MODEL MLAK0006901 SAFF00 DOME ASSY,METAL ADCA0057601 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
Page 157: Main Component
CAP,CHIP,MAKER ECZH0000813 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C112 CAP,TANTAL,CHIP ECTH0001703 22 uF,6.3V ,M ,L_ESR ,2012 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 158 - Only for training and service purposes...
Page 158 56 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C151 CAP,CERAMIC,CHIP ECCH0000147 2.2 nF,50V,K,X7R,HD,1005,R/TP C152 CAP,TANTAL,CHIP ECTH0003703 4.7 uF,6.3V ,M ,STD ,1608 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
Page 159 ECZH0000830 33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C193 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 160 - Only for training and service purposes...
Page 160 ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C230 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C231 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C232 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
Page 161 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C328 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C329 CAP,TANTAL,CHIP,MAKER ECTZ0005201 10 uF,6.3V ,M ,L_ESR ,1608 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 162 - Only for training and service purposes...
Page 162 ECCH0005602 2.2 uF,16V ,K ,X5R ,HD ,1608 ,R/TP C432 CAP,CERAMIC,CHIP ECCH0005602 2.2 uF,16V ,K ,X5R ,HD ,1608 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 163 - Only for training and service purposes...
Page 163 CAP,CHIP,MAKER ECZH0000816 12 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP CAP,CERAMIC,CHIP ECCH0001002 180 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 164 - Only for training and service purposes...
Page 164 FILTER,SAW SFSY0024901 B7834 Low Loss ver. SMD ,18 V, ,SMD ,4ch. R-Varistor Array(50Ohm,15pF), Pb- FL500 FILTER,EMI/POWER SFEY0007103 free Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 165 - Only for training and service purposes...
Page 165 5.6 nH,S ,1005 ,R/TP ,PBFREE L127 INDUCTOR,CHIP ELCH0001406 4.7 nH,S ,1005 ,R/TP ,PBFREE L128 INDUCTOR,CHIP ELCH0001034 3.3 nH,S ,1005 ,R/TP ,PBFREE LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 166 - Only for training and service purposes...
Page 166 680 ohm,1/16W ,F ,1005 ,R/TP R106 RES,CHIP,MAKER ERHZ0003801 5.1 ohm,1/16W ,J ,1005 ,R/TP R107 RES,CHIP,MAKER ERHZ0003801 5.1 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 167 - Only for training and service purposes...
Page 167 51 Kohm,1/16W ,J ,1005 ,R/TP R206 RES,CHIP,MAKER ERHZ0000443 2200 ohm,1/16W ,J ,1005 ,R/TP R207 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 168 - Only for training and service purposes...
Page 168 470 Kohm,1/16W ,F ,1005 ,R/TP R507 RES,CHIP ERHY0000128 15K ohm,1/16W,F,1005,R/TP R508 RES,CHIP,MAKER ERHZ0000537 680000 ohm,1/16W ,F ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 169 - Only for training and service purposes...
Page 169 14 V, ,SMD ,50pF, 1005 VA517 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 VA518 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 170 - Only for training and service purposes...
Page 170 LD610 DIODE,LED,CHIP EDLH0006001 Blue ,1608 ,R/TP ,Blue SMD LED LD611 DIODE,LED,CHIP EDLH0006001 Blue ,1608 ,R/TP ,Blue SMD LED Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 171 - Only for training and service purposes...
Page 171 14 V, ,SMD ,50pF, 1005 VA607 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 VA608 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 172 - Only for training and service purposes...
Page 172 Description Part Number Specification Color Remark VA610 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 WSYY00 SOFTWARE WSYY0425801 CU400-MSM-V10b-NOV-08-2006-CW-US Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 173 - Only for training and service purposes...
Page 173: Accessory
100-240V ,5060 Hz,4.6 V,0.8 A,UL & CSA , ADAPTOR,AC-DC SSAD0016902 100-240V ,5060 Hz,4.6 V,0.8 A,UL & CSA , LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 174 - Only for training and service purposes...
Page 174 Note...
Page 175 Note...

LG CU400 Service Manual

1 Introduction

2 Performance

3 Rf Technical Brief

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 Pcb Layout

9 Calibration & RF Auto Test Program

10 Exploded View & Replacement Part List

Quick Links

Troubleshooting

Related Manuals for LG CU400

Summary of Contents for LG CU400

Table of Contents