Service Manual
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...training and service purposes - 11 - LGE Internal Use Only All right reserved. 2. Inc. General Performance 2.4 HW Feature Item Form Factor Battery Size Weight Volume PCB Stand by time Charging time Talk time RX sensitivity TX output power GSM/ GPRS EDGE GPRS compatibility EDGE compatibility SIM ... 262K Color TFT (240 x 320 pixel) Backlight : White LED Sub LCD 1.1 inch 262K color TFT (128 RGB x 160 dots) 3M QXGA CMOS Camera Comment With Battery @ Paging Period 5 @ Power Off / 950mAh @ EGSM / 950mAh Class4 (EGSM) Class4 (GSM) Class1 (PCS) Class1 (DCS) E2 (EGSM) E2 (GSM) E2 (PCS) E2 (...
...training and service purposes - 11 - LGE Internal Use Only All right reserved. 2. Inc. General Performance 2.4 HW Feature Item Form Factor Battery Size Weight Volume PCB Stand by time Charging time Talk time RX sensitivity TX output power GSM/ GPRS EDGE GPRS compatibility EDGE compatibility SIM ... 262K Color TFT (240 x 320 pixel) Backlight : White LED Sub LCD 1.1 inch 262K color TFT (128 RGB x 160 dots) 3M QXGA CMOS Camera Comment With Battery @ Paging Period 5 @ Power Off / 950mAh @ EGSM / 950mAh Class4 (EGSM) Class4 (GSM) Class1 (PCS) Class1 (DCS) E2 (EGSM) E2 (GSM) E2 (PCS) E2 (...
Service Manual
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... 1000 Member Possible Rename No for training and service purposes - 13 - 2. Only for Cingular LGE Internal Use Only General Performance 2.5 S/W Features Item Feature RSSI 0 ~ 7 Levels Battery Charging 0 ~ 3 Levels Key Volume 0 ~ 5 Level Audio Volume 1 ~ 5 Level Time / Date Display Yes Multi-Language Yes Quick Access Mode Phone Book / Message / Camera / My Stuff / Favorite... Yes Voice Memo Yes Call Reminder Yes Network Selection Automatic Mute Yes Call Divert Yes Call Barring Yes Call Charge (AoC) No Copyright © 2008 LG Electronics.
... 1000 Member Possible Rename No for training and service purposes - 13 - 2. Only for Cingular LGE Internal Use Only General Performance 2.5 S/W Features Item Feature RSSI 0 ~ 7 Levels Battery Charging 0 ~ 3 Levels Key Volume 0 ~ 5 Level Audio Volume 1 ~ 5 Level Time / Date Display Yes Multi-Language Yes Quick Access Mode Phone Book / Message / Camera / My Stuff / Favorite... Yes Voice Memo Yes Call Reminder Yes Network Selection Automatic Mute Yes Call Divert Yes Call Barring Yes Call Charge (AoC) No Copyright © 2008 LG Electronics.
Service Manual
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...interface for external audio I2C compatible serial bus for audio CODEC & CCD/CMOS sensor control 32-bit 1Hz counter RTC (Real Time Clock) for battery backup EHI (External Host Interface) for parallel host interface Secure Digital Card (SD) 3.4.1 Core The TCC74x has adopted the ARM946E-S (r1p1) ...the external host interface (EHI) that allows the external host device to be directly connected to the external host controller. Copyright © 2008 LG Electronics. HW Circuit Description • General features ARM946E-S CPU core (16KB instruction/data cache, operating up to 200MHz) 8K bytes of ...
...interface for external audio I2C compatible serial bus for audio CODEC & CCD/CMOS sensor control 32-bit 1Hz counter RTC (Real Time Clock) for battery backup EHI (External Host Interface) for parallel host interface Secure Digital Card (SD) 3.4.1 Core The TCC74x has adopted the ARM946E-S (r1p1) ...the external host interface (EHI) that allows the external host device to be directly connected to the external host controller. Copyright © 2008 LG Electronics. HW Circuit Description • General features ARM946E-S CPU core (16KB instruction/data cache, operating up to 200MHz) 8K bytes of ...
Service Manual
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... - A power management system - A voice and audio interface - 3. HW Circuit Description 3.5 Analog Baseband 3.5.1 General Description The TRITON chip is to provide to platforms the following resources: - A battery charger - A JTAG and boundary scan LGE Internal Use Only TWL3029 Architecture - 32 - Copyright © 2008...
... - A power management system - A voice and audio interface - 3. HW Circuit Description 3.5 Analog Baseband 3.5.1 General Description The TRITON chip is to provide to platforms the following resources: - A battery charger - A JTAG and boundary scan LGE Internal Use Only TWL3029 Architecture - 32 - Copyright © 2008...
Service Manual
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..., when a falling edgeis detected on VCHG. 3.5.6 Memories - 1G Mbit NAND Flash + 512Mbit DDR RAM Copyright © 2008 LG Electronics. CHARGER_IC:When a charger voltage is satisfied. - Five of the eleven inputs are available externally (ADIN1..5), and the remaining six...- IT_WAKE_UP: When a rising edge is powered to die temperature measurement, main battery voltage, backup battery voltage, charger voltage, charger current monitoring and USB Vbus voltage. Only for battery temperature and battery type measurements. input analog multiplexer. PWR-ON pushed after a debouncing time of...
..., when a falling edgeis detected on VCHG. 3.5.6 Memories - 1G Mbit NAND Flash + 512Mbit DDR RAM Copyright © 2008 LG Electronics. CHARGER_IC:When a charger voltage is satisfied. - Five of the eleven inputs are available externally (ADIN1..5), and the remaining six...- IT_WAKE_UP: When a rising edge is powered to die temperature measurement, main battery voltage, backup battery voltage, charger voltage, charger current monitoring and USB Vbus voltage. Only for battery temperature and battery type measurements. input analog multiplexer. PWR-ON pushed after a debouncing time of...
Service Manual
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LGE Internal Use Only 3. Ground Copyright © 2008 LG Electronics. HW Circuit Description 3.5.8 System Connector Pin No NET Name 1 FM_ANT 2 HSMICIP 3 JACK_TYPE 4 HSOUTL 5 HSOUTR 6 PORT1 7 PORT2 8 JACK_DETECT 9 VBAT 10 11... deteect I Headset receiver Left I Headset receiver Right I Multiport : UART, USB 2.0 , Remmoc on Interrupt I Multiport : UART, USB 2.0, Remmocon ADC valu I Jack detect signal Battery power O External Power On - All right reserved. Test UART port Receiver - Only for training and service purposes - 37 - Charger pow er input - Test UART port...
LGE Internal Use Only 3. Ground Copyright © 2008 LG Electronics. HW Circuit Description 3.5.8 System Connector Pin No NET Name 1 FM_ANT 2 HSMICIP 3 JACK_TYPE 4 HSOUTL 5 HSOUTR 6 PORT1 7 PORT2 8 JACK_DETECT 9 VBAT 10 11... deteect I Headset receiver Left I Headset receiver Right I Multiport : UART, USB 2.0 , Remmoc on Interrupt I Multiport : UART, USB 2.0, Remmocon ADC valu I Jack detect signal Battery power O External Power On - All right reserved. Test UART port Receiver - Only for training and service purposes - 37 - Charger pow er input - Test UART port...
Service Manual
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... VLDC_OUT Very-low drop-output voltage KA_OUT Keep alive output NSHUT_DOWN Devices shutdown input(active low) also acts as power-on reset POWER SUPPLY VBAT Battery power supply VDD_IO1 Power supply for I /O NAME AUD_CLK Input-when external codec is configured as master(default configuration) AUD_FSYNC AUD_IN AUD_OUT High Z with PD, except...
... VLDC_OUT Very-low drop-output voltage KA_OUT Keep alive output NSHUT_DOWN Devices shutdown input(active low) also acts as power-on reset POWER SUPPLY VBAT Battery power supply VDD_IO1 Power supply for I /O NAME AUD_CLK Input-when external codec is configured as master(default configuration) AUD_FSYNC AUD_IN AUD_OUT High Z with PD, except...
Service Manual
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...Patch trap mechanism that enables feature changes in ROM (ROM updates, improvements) • On-chip Power Management adapted to cellular application o Direct connection to battery or external LDO 1.7 to 5.4V o IO supply voltage - 1.62 - 1.89V o Power saving mode o Shut-Down mode to minimize power ... low power scan achieves paging and inquiry scans with GPS applications • 5 external capacitors and balun/matching network required - Copyright © 2008 LG Electronics. total PCB area required only 45 mm2 (BGA package) • Package: 4.5x4.5 mm size, 0.5 mm ball pitch, pb-free Micro...
...Patch trap mechanism that enables feature changes in ROM (ROM updates, improvements) • On-chip Power Management adapted to cellular application o Direct connection to battery or external LDO 1.7 to 5.4V o IO supply voltage - 1.62 - 1.89V o Power saving mode o Shut-Down mode to minimize power ... low power scan achieves paging and inquiry scans with GPS applications • 5 external capacitors and balun/matching network required - Copyright © 2008 LG Electronics. total PCB area required only 45 mm2 (BGA package) • Package: 4.5x4.5 mm size, 0.5 mm ball pitch, pb-free Micro...
Service Manual
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Trouble Shooting 4. Inc. All right reserved. 4. Only for power up. -Connect mobile switch cable between Communication test set and DUT when you need to the DUT for training and service purposes Copyright © 2008 LG Electronics. Trouble Shooting Trouble Test Set-up 4.000V 0.0000A Test Set Up Power on all of test equipment -Connect PIF-UNION JIG or dummy battery to make a phone call. -Follow trouble shooting procedure LGE Internal Use Only - 42 -
Trouble Shooting 4. Inc. All right reserved. 4. Only for power up. -Connect mobile switch cable between Communication test set and DUT when you need to the DUT for training and service purposes Copyright © 2008 LG Electronics. Trouble Shooting Trouble Test Set-up 4.000V 0.0000A Test Set Up Power on all of test equipment -Connect PIF-UNION JIG or dummy battery to make a phone call. -Follow trouble shooting procedure LGE Internal Use Only - 42 -
Service Manual
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... Part Troubleshooting 4.4.1 Power On Trouble 4.4.1.1 Power-On Trouble Troubleshooting zPower-On Sequence - Pwon signal goes to the phone. - zTrouble Shooting Procedure - Check Battery Voltage - Copyright © 2008 LG Electronics. Battery Voltage - END_KEY Dome Switch condition& Side FPCB condition - Check the output voltages of LDOs zTrouble Shooting Setup - Power-On Key Detection - Power-On...
... Part Troubleshooting 4.4.1 Power On Trouble 4.4.1.1 Power-On Trouble Troubleshooting zPower-On Sequence - Pwon signal goes to the phone. - zTrouble Shooting Procedure - Check Battery Voltage - Copyright © 2008 LG Electronics. Battery Voltage - END_KEY Dome Switch condition& Side FPCB condition - Check the output voltages of LDOs zTrouble Shooting Setup - Power-On Key Detection - Power-On...
Service Manual
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YES Booting is OK? All right reserved. YES Check the Main FPCB Main FPCB is operating properly Re-solder the CN700 (main battery terminal) NO Re-solder R712(main power key) NO Connect the Main key, Main, Main FPCB NO Replace Main FPCB NO Replace the U103(Main) NO LGE Internal Use Only - 60 - YES U103( Main) check ? YES R712(main key) Is well-soldered? Inc. 4. YES Check is the CN700(main key) Is well-soldered? Copyright © 2008 LG Electronics. Only for training and service purposes Trouble Shooting START Check is the connection of Main key, Main, Main FPCB ?
YES Booting is OK? All right reserved. YES Check the Main FPCB Main FPCB is operating properly Re-solder the CN700 (main battery terminal) NO Re-solder R712(main power key) NO Connect the Main key, Main, Main FPCB NO Replace Main FPCB NO Replace the U103(Main) NO LGE Internal Use Only - 60 - YES U103( Main) check ? YES R712(main key) Is well-soldered? Inc. 4. YES Check is the CN700(main key) Is well-soldered? Copyright © 2008 LG Electronics. Only for training and service purposes Trouble Shooting START Check is the connection of Main key, Main, Main FPCB ?
Service Manual
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...°C: Small charging operation z -20°C ~ 60°C: Charging z 60°C ~: Not charging operation small charging operation Battery ICON 3.74V ± 0.05V 3.64V ± 0.05V BLINKING 3.46V ± 0.05V Copyright © 2008 LG Electronics. Low Battery Alarm z Talk mode : 3.62V z Standby mode : 3.46V - Switch-Off Voltage: 3.35 - All right reserved. Only for training...
...°C: Small charging operation z -20°C ~ 60°C: Charging z 60°C ~: Not charging operation small charging operation Battery ICON 3.74V ± 0.05V 3.64V ± 0.05V BLINKING 3.46V ± 0.05V Copyright © 2008 LG Electronics. Low Battery Alarm z Talk mode : 3.62V z Standby mode : 3.46V - Switch-Off Voltage: 3.35 - All right reserved. Only for training...
Service Manual
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... z Connecting TA & Charger Detection z Control the charging Current by CHARGER IC z Charging Current flow into the Battery - Trouble Shooting Procedure z Check the charger connector z Check the charging current path z Check the battery TA USB CHG_EN ISL9221 Battery Charger power USB power VCHG_IN VBUS_IN _EOC CHG_EN U101 1 VDC 2 VUSB 3 _PPR 4 _CHG 5 _EN 6 IMIN R803...9 IVDC 8 GND 7 IUSB VCHG VBAT VBUS R107 R108 18K 15K C104 C108 10u 1u C105 10u LGE Internal Use Only - 62 - Trouble Shooting Setup z Connect Battery & TA to the handset - Check Points z Connection of TA z Charger IC...
... z Connecting TA & Charger Detection z Control the charging Current by CHARGER IC z Charging Current flow into the Battery - Trouble Shooting Procedure z Check the charger connector z Check the charging current path z Check the battery TA USB CHG_EN ISL9221 Battery Charger power USB power VCHG_IN VBUS_IN _EOC CHG_EN U101 1 VDC 2 VUSB 3 _PPR 4 _CHG 5 _EN 6 IMIN R803...9 IVDC 8 GND 7 IUSB VCHG VBAT VBUS R107 R108 18K 15K C104 C108 10u 1u C105 10u LGE Internal Use Only - 62 - Trouble Shooting Setup z Connect Battery & TA to the handset - Check Points z Connection of TA z Charger IC...
Service Manual
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...,Main) Is well-soldered? YES Voltage at pin 1,2 of U101(Main) =4.8? Only for training and service purposes - 63 - Change Battery NO CN300 U101 Copyright © 2008 LG Electronics. All right reserved. YES Battery is operating properly Re-solder the CN300 NO (Pin 12,13) Re-solder the FB304, FB305(Main) NO Replace the...
...,Main) Is well-soldered? YES Voltage at pin 1,2 of U101(Main) =4.8? Only for training and service purposes - 63 - Change Battery NO CN300 U101 Copyright © 2008 LG Electronics. All right reserved. YES Battery is operating properly Re-solder the CN300 NO (Pin 12,13) Re-solder the FB304, FB305(Main) NO Replace the...
Service Manual
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YES Main key is Working? YES Are all LEDs LED700 ~701(Main key) Working? YES Backlight will work properly NO Charge Battery NO Check the soldering of R703, R704 or Replace LEDs not working NO Check the condition of doom sheet. All right reserved. If problem, Replace the doom sheet LGE Internal Use Only - 96 - Inc. Trouble Shooting z MAIN KEY Backlight LED Trouble START Is the Voltage level VBAT 3.35 ~4.2? Only for training and service purposes Copyright © 2008 LG Electronics. 4.
YES Main key is Working? YES Are all LEDs LED700 ~701(Main key) Working? YES Backlight will work properly NO Charge Battery NO Check the soldering of R703, R704 or Replace LEDs not working NO Check the condition of doom sheet. All right reserved. If problem, Replace the doom sheet LGE Internal Use Only - 96 - Inc. Trouble Shooting z MAIN KEY Backlight LED Trouble START Is the Voltage level VBAT 3.35 ~4.2? Only for training and service purposes Copyright © 2008 LG Electronics. 4.
Service Manual
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Copyright © 2008 LG Electronics. YES Backlight will work properly NO Check the condition If problem, Replace U102(Main) LGE Internal Use Only - 98 - Inc. 4. YES Are all LEDs LED_CA1~3,SLED_CA1~2 (Slide key) Working? YES Check the LCD display Trouble shooting YES NO Charge Battery NO Check the soldering of U700 not working NO Go to LCD Display Trouble shooting LCD_BL_ENM & LCD_BL_ENS of U102(Main) is Working? Only for training and service purposes Trouble Shooting z MAIN KEY Backlight LED Trouble START Is the Voltage level VBAT 3.35 ~4.2? All right reserved.
Copyright © 2008 LG Electronics. YES Backlight will work properly NO Check the condition If problem, Replace U102(Main) LGE Internal Use Only - 98 - Inc. 4. YES Are all LEDs LED_CA1~3,SLED_CA1~2 (Slide key) Working? YES Check the LCD display Trouble shooting YES NO Charge Battery NO Check the soldering of U700 not working NO Go to LCD Display Trouble shooting LCD_BL_ENM & LCD_BL_ENS of U102(Main) is Working? Only for training and service purposes Trouble Shooting z MAIN KEY Backlight LED Trouble START Is the Voltage level VBAT 3.35 ~4.2? All right reserved.
Service Manual
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... 5.1.2 To upgrade the software of using the USB Data Kit 5.2.1.1 The Preparation - USB Data kit - Copyright © 2008 LG Electronics. Download 5.1 Download Software 5.1.1 The purpose of the phone. - Target Handset (KM710c) - Battery 5.2.1.2 IBM compatible PC supporting USB with Windows 98 or newer If you use data kit, you should have... a battery with hardware alone. - Inc. Only for training and service purposes 5. All right reserved. The software of the phone may be replaced to ...
... 5.1.2 To upgrade the software of using the USB Data Kit 5.2.1.1 The Preparation - USB Data kit - Copyright © 2008 LG Electronics. Download 5.1 Download Software 5.1.1 The purpose of the phone. - Target Handset (KM710c) - Battery 5.2.1.2 IBM compatible PC supporting USB with Windows 98 or newer If you use data kit, you should have... a battery with hardware alone. - Inc. Only for training and service purposes 5. All right reserved. The software of the phone may be replaced to ...
Service Manual
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PIF - Only for training and service purposes - 101 - Power Supply or Battery 5.2.2.2 IBM compatible PC supporting RS-232 with Windows 98 or newer If you use battery, you should have a battery with the voltage above 3.7V. Copyright © 2008 LG Electronics. RS-232 Cable and PIF-to-Phone interface Cable - Inc. Target Handset (KM710c) - 5.2.2 In case of using the PIF( MON Port) KM710 Handset 5. LGE Internal Use Only All right reserved. Download 5.2.2.1 Preparation -
PIF - Only for training and service purposes - 101 - Power Supply or Battery 5.2.2.2 IBM compatible PC supporting RS-232 with Windows 98 or newer If you use battery, you should have a battery with the voltage above 3.7V. Copyright © 2008 LG Electronics. RS-232 Cable and PIF-to-Phone interface Cable - Inc. Target Handset (KM710c) - 5.2.2 In case of using the PIF( MON Port) KM710 Handset 5. LGE Internal Use Only All right reserved. Download 5.2.2.1 Preparation -
Service Manual
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... LGE Internal Use Only Only for training and service purposes - 117 - CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 A KEYPAD A BATTERY TERMINAL VBAT VBATS BATT_INSERT R701 20K C702 27p C700 10u 3 24 1 CN700 BACKUP BATTERY VBACKUP C701 0.1uF BAT700 KEYPAD BACKLIGHT VBAT R703 10 R704 10 R700 150 KBR(0) KBR(1) R702 150 1 KB700 2 KB705 3 4 KB701 5 KB706 6... PRSB6.8C CN702 1 2 3 4 5 R716 R717 R718 R719 R720 150 150 150 150 150 KBC(3) KBC(4) KBC(2) KBC(5) KBR(3) SIDE_KEY_MUSIC_CAM D E 1 2 3 4 5 Copyright © 2008 LG Electronics. 7. All right reserved.
... LGE Internal Use Only Only for training and service purposes - 117 - CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 A KEYPAD A BATTERY TERMINAL VBAT VBATS BATT_INSERT R701 20K C702 27p C700 10u 3 24 1 CN700 BACKUP BATTERY VBACKUP C701 0.1uF BAT700 KEYPAD BACKLIGHT VBAT R703 10 R704 10 R700 150 KBR(0) KBR(1) R702 150 1 KB700 2 KB705 3 4 KB701 5 KB706 6... PRSB6.8C CN702 1 2 3 4 5 R716 R717 R718 R719 R720 150 150 150 150 150 KBC(3) KBC(4) KBC(2) KBC(5) KBR(3) SIDE_KEY_MUSIC_CAM D E 1 2 3 4 5 Copyright © 2008 LG Electronics. 7. All right reserved.
Service Manual
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...Engineering Mode 11. Mai n LCD On/Off b. PANEL c. K eytone 1. Upl ink / Amp 2. Side tone b. Baseband : UART, LCD, Camera, Sound, Serial Port, Battery, FM Radio, BT Test 1) LED i) B acklight a. Green c. FAX & DATA b. Strea m 1. LGE Internal Use Only Red b. Irda e. Sidet one b. K ey... tone 1. Stereo Left 3. Side tone Copyright © 2008 LG Electronics. S ub LCD On/Off c. LCD auto main b. Upl ink / Amp 2. Voi ce 1. L1 TRACE d. Red b. Whi te e. Upl ink / Amp...
...Engineering Mode 11. Mai n LCD On/Off b. PANEL c. K eytone 1. Upl ink / Amp 2. Side tone b. Baseband : UART, LCD, Camera, Sound, Serial Port, Battery, FM Radio, BT Test 1) LED i) B acklight a. Green c. FAX & DATA b. Strea m 1. LGE Internal Use Only Red b. Irda e. Sidet one b. K ey... tone 1. Stereo Left 3. Side tone Copyright © 2008 LG Electronics. S ub LCD On/Off c. LCD auto main b. Upl ink / Amp 2. Voi ce 1. L1 TRACE d. Red b. Whi te e. Upl ink / Amp...