Service Manual
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...Only EXPLODED VIEW & REPLACEMENT PART LIST ..... 119 12.1 Exploded View 119 12.2 Replacement Parts 121 12.3 Accessory 137 Copyright © 2007 LG Electronics. All right reserved. Reset [MENU 6 109 9.7 S/W version 109 10. AUTO CALIBRATION 113 11.1 Overview 113 11.2 Equipment List...timer [MENU 5 109 9.6 Fact. Only for Triband(FL600 19 3.4 26 MHz Clock (VCTCXO, X600 20 3.5 Baseband Processor (AD6720 , U101)..21 3.6 Battery Charging Block 26 3.7 Display and Interface 28 3.8 Camera IC(AIT701G , U401 30 3.9 Keypad Switches and Scanning 32 3.10 Microphone 34 3.11 Main Speaker...
...Only EXPLODED VIEW & REPLACEMENT PART LIST ..... 119 12.1 Exploded View 119 12.2 Replacement Parts 121 12.3 Accessory 137 Copyright © 2007 LG Electronics. All right reserved. Reset [MENU 6 109 9.7 S/W version 109 10. AUTO CALIBRATION 113 11.1 Overview 113 11.2 Equipment List...timer [MENU 5 109 9.6 Fact. Only for Triband(FL600 19 3.4 26 MHz Clock (VCTCXO, X600 20 3.5 Baseband Processor (AD6720 , U101)..21 3.6 Battery Charging Block 26 3.7 Display and Interface 28 3.8 Camera IC(AIT701G , U401 30 3.9 Keypad Switches and Scanning 32 3.10 Microphone 34 3.11 Main Speaker...
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Inc. All right reserved. Only for training and service purposes -9- LGE Internal Use Only PERFORMANCE 2.1 H/W Features Item Standard Battery Stand by TIME Talk time Stand by time Charging time RX Sensitivity TX output power GPRS compatibility SIM card type Display Status Indicator ANT EAR ... Internal Yes (mono) Yes EFR/FR/HR Yes Yes Yes Yes Yes One way speaker Yes 64 Poly (Mono SPK) VGA Comment Copyright © 2007 LG Electronics. 2.
Inc. All right reserved. Only for training and service purposes -9- LGE Internal Use Only PERFORMANCE 2.1 H/W Features Item Standard Battery Stand by TIME Talk time Stand by time Charging time RX Sensitivity TX output power GPRS compatibility SIM card type Display Status Indicator ANT EAR ... Internal Yes (mono) Yes EFR/FR/HR Yes Yes Yes Yes Yes One way speaker Yes 64 Poly (Mono SPK) VGA Comment Copyright © 2007 LG Electronics. 2.
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...3.63 ~ 3.70 V 2 3.70 ~ 3.76 V 3 3.76 ~ 3.89 V 4 3.89 V ~ 3.63 0.03V (Call) every 1 minutes 3.48 0.03V (Standby) Copyright © 2007 LG Electronics. All right reserved. Inc. LGE Internal Use Only Ringer set as ringer. 2. Only for training and service purposes - 13 - 2. PERFORMANCE Item Description 14 STMR ... Distortion 17 Side Tone Distortion System frequency 18 (13 MHz) tolerance 19 32.768KHz tolerance 20 Ringer Volume 21 Charge Current 22 Antenna Display 23 Battery Indicator 24 Low Voltage Warning Specification 13 5 dB > 6 dB dB to ARL (dB) -35 -30 -20 -10 0 7 10...
...3.63 ~ 3.70 V 2 3.70 ~ 3.76 V 3 3.76 ~ 3.89 V 4 3.89 V ~ 3.63 0.03V (Call) every 1 minutes 3.48 0.03V (Standby) Copyright © 2007 LG Electronics. All right reserved. Inc. LGE Internal Use Only Ringer set as ringer. 2. Only for training and service purposes - 13 - 2. PERFORMANCE Item Description 14 STMR ... Distortion 17 Side Tone Distortion System frequency 18 (13 MHz) tolerance 19 32.768KHz tolerance 20 Ringer Volume 21 Charge Current 22 Antenna Display 23 Battery Indicator 24 Low Voltage Warning Specification 13 5 dB > 6 dB dB to ARL (dB) -35 -30 -20 -10 0 7 10...
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Copyright © 2007 LG Electronics. Inc. All right reserved. PERFORMANCE Item Description 25 Forced shut down Voltage 26 Battery Type 27 Travel Charger Specification 3.33 0.03 V 1 Li-ion Battery Standard Voltage = 3.7 V Battery full charge voltage = 4.2 V Capacity: 830mAh Switching-mode charger Input: 100 ~ 240 V, 50/60 Hz Output: 5.2 V, 800 mA LGE Internal Use Only - 14 - Only for training and service purposes 2.
Copyright © 2007 LG Electronics. Inc. All right reserved. PERFORMANCE Item Description 25 Forced shut down Voltage 26 Battery Type 27 Travel Charger Specification 3.33 0.03 V 1 Li-ion Battery Standard Voltage = 3.7 V Battery full charge voltage = 4.2 V Capacity: 830mAh Switching-mode charger Input: 100 ~ 240 V, 50/60 Hz Output: 5.2 V, 800 mA LGE Internal Use Only - 14 - Only for training and service purposes 2.
Service Manual
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...power. All right reserved. The module consists of the dual PA module maximizes handset standby time. Functional Block Diagram Copyright © 2007 LG Electronics. The assembly is insensitive to reduce the number of external components for 50 Ω input and output impedances, and a Power ...and the other supports the DCS1800 and PCS1900 bands. The VBATT pin connects to an internal current-sense resistor and interfaces to minimize battery drain. Functional Block Diagram Figure1. LGE Internal Use Only 3. The PAM also supports Class 12 General Packet Radio Service (GPRS) ...
...power. All right reserved. The module consists of the dual PA module maximizes handset standby time. Functional Block Diagram Copyright © 2007 LG Electronics. The assembly is insensitive to reduce the number of external components for 50 Ω input and output impedances, and a Power ...and the other supports the DCS1800 and PCS1900 bands. The VBATT pin connects to an internal current-sense resistor and interfaces to minimize battery drain. Functional Block Diagram Figure1. LGE Internal Use Only 3. The PAM also supports Class 12 General Packet Radio Service (GPRS) ...
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3. Inc. Copyright © 2007 LG Electronics. Only for training and service purposes All right reserved. Typical Case Makings Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... (GSM) RF and DC Ground RF and DC Ground RF and DC Ground RF Output 1710-1910 MHz (DCS 1800, PCS1900) RF and DC Ground Battery input to high side of intemal sense resistor BiCMOS Enable RF and DC Ground Power Control Bias Voltage Ground Pad, device underside Table 4. TECHNICAL BRIEF...
3. Inc. Copyright © 2007 LG Electronics. Only for training and service purposes All right reserved. Typical Case Makings Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... (GSM) RF and DC Ground RF and DC Ground RF and DC Ground RF Output 1710-1910 MHz (DCS 1800, PCS1900) RF and DC Ground Battery input to high side of intemal sense resistor BiCMOS Enable RF and DC Ground Power Control Bias Voltage Ground Pad, device underside Table 4. TECHNICAL BRIEF...
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... transmitter features a translation-loop architecture for GPRS applications up to 2.9V. AD6548 incorporates a complete reference crystal calibration system. Figure 2 AD6549 Block Diagram Copyright © 2007 LG Electronics. The synthesizer lock times are the Rx SAWs, PA, Switchplexer and a few passives enabling an extremely small cost effective GSM Radio solution. The AD6549... PA. The RF is used to remove DC offsets. The translation-loop modulator and TX VCO are required. The AD6548/9 also contains on chip, with a battery input voltage of the OthelloTM family. 3.
... transmitter features a translation-loop architecture for GPRS applications up to 2.9V. AD6548 incorporates a complete reference crystal calibration system. Figure 2 AD6549 Block Diagram Copyright © 2007 LG Electronics. The synthesizer lock times are the Rx SAWs, PA, Switchplexer and a few passives enabling an extremely small cost effective GSM Radio solution. The AD6549... PA. The RF is used to remove DC offsets. The translation-loop modulator and TX VCO are required. The AD6548/9 also contains on chip, with a battery input voltage of the OthelloTM family. 3.
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... input E-GSM LNA input GSM 850 LNA input GSM 850 LNA input Table 1 AD6548/9 Pin Descriptions LGE Internal Use Only - 18 - Inc. Copyright © 2007 LG Electronics. TECHNICAL BRIEF GOMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 No Name 1 VCC_FE 2I Description Front end supply (IP) I baseband input/output 3 IB I baseband input... TX LDO Output (1) 10 TXOP_LO Transmit O/P (850/900MHz) 11 TXOP_HI Transmit O/P (1800/1900MHz) 12 VCC_TXVCO TX VCO supply (1) 13 VDD Serial interface supply 14 VBAT Battery I/P for training and service purposes
... input E-GSM LNA input GSM 850 LNA input GSM 850 LNA input Table 1 AD6548/9 Pin Descriptions LGE Internal Use Only - 18 - Inc. Copyright © 2007 LG Electronics. TECHNICAL BRIEF GOMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 No Name 1 VCC_FE 2I Description Front end supply (IP) I baseband input/output 3 IB I baseband input... TX LDO Output (1) 10 TXOP_LO Transmit O/P (850/900MHz) 11 TXOP_HI Transmit O/P (1800/1900MHz) 12 VCC_TXVCO TX VCO supply (1) 13 VDD Serial interface supply 14 VBAT Battery I/P for training and service purposes
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...-Mode Flash Support • 1.8V and 3.0V, 64 kbps SIM Interface • Universal System Connector Interface • Data Services Interface • Battery Interface (e.g. The AD6720 baseband transmit section supports the following mobile station GMSK modulation power classes: • GSM 900/850 power classes 4 and 5,... • DCS 1800 power classes 1 and 2, and • PCS 1900 power classes 1 and 2 Copyright © 2007 LG Electronics. Inc. DSP Subsystem including: • 16-bit Fixed Point DSP Processor • 91 MIPS[1] at 1.8V • 1Mb of on-chip System...
...-Mode Flash Support • 1.8V and 3.0V, 64 kbps SIM Interface • Universal System Connector Interface • Data Services Interface • Battery Interface (e.g. The AD6720 baseband transmit section supports the following mobile station GMSK modulation power classes: • GSM 900/850 power classes 4 and 5,... • DCS 1800 power classes 1 and 2, and • PCS 1900 power classes 1 and 2 Copyright © 2007 LG Electronics. Inc. DSP Subsystem including: • 16-bit Fixed Point DSP Processor • 91 MIPS[1] at 1.8V • 1Mb of on-chip System...
Service Manual
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TECHNICAL BRIEF E. LDO Block There are implemented in the AD6720. - Exception : When battery voltage is inserted or not - REFCHG : voltage reference output 4. Li-ion battery (Max 4.2V, Nom 3.7V) - Copyright © 2007 LG Electronics. VMEM : supplies external memory and the interface to the external memory on the digital processor and SIM card (2.85V, 20mA...
TECHNICAL BRIEF E. LDO Block There are implemented in the AD6720. - Exception : When battery voltage is inserted or not - REFCHG : voltage reference output 4. Li-ion battery (Max 4.2V, Nom 3.7V) - Copyright © 2007 LG Electronics. VMEM : supplies external memory and the interface to the external memory on the digital processor and SIM card (2.85V, 20mA...
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All right reserved. Inc. Only for training and service purposes - 27 - CIRCUIT FOR BATTERY CHARGING Copyright © 2007 LG Electronics. LGE Internal Use Only 3. TECHNICAL BRIEF PRE_CHARGE_R VCHARGE C224 0.1u R211 0 VBAT PRE CHARGING ECCH0000182 R214 Q201 1K 12 3 65 4 R215 1.5K R217 10K UMX1NTN R216 7.5K INDLED_R R218 10K 10V Under ECCH0004904 ECCH0005704 10V Over NORMAL CHARGING C225 1u GATEDRV ISENSE VBAT VCHARGE R212 D200 0.2 CUS02 R213 330 Q200 4G S 5 D3 D4 3 D2 D5 6 2 1 D1 D6 7 8 C223 4.7u TPCF8102-TE85L-F Figure 3-6.
All right reserved. Inc. Only for training and service purposes - 27 - CIRCUIT FOR BATTERY CHARGING Copyright © 2007 LG Electronics. LGE Internal Use Only 3. TECHNICAL BRIEF PRE_CHARGE_R VCHARGE C224 0.1u R211 0 VBAT PRE CHARGING ECCH0000182 R214 Q201 1K 12 3 65 4 R215 1.5K R217 10K UMX1NTN R216 7.5K INDLED_R R218 10K 10V Under ECCH0004904 ECCH0005704 10V Over NORMAL CHARGING C225 1u GATEDRV ISENSE VBAT VCHARGE R212 D200 0.2 CUS02 R213 330 Q200 4G S 5 D3 D4 3 D2 D5 6 2 1 D1 D6 7 8 C223 4.7u TPCF8102-TE85L-F Figure 3-6.
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... the main board LGE Internal Use Only - 54 - Copyright © 2007 LG Electronics. The power-on key NO And check the level change of PWRKEY YES Check the voltage of NO The LDO outputs at U101 Charge or Change Battery Check the contact of power key Or dome-switch Replace U101 YES... = HIGH YES NO Does it work properly? All right reserved. Inc. The problem may NO YES be elsewhere. TROUBLE SHOOTING Checking Flow START NO Check Battery Voltage > 3.35V YES Push power-on procedure is Completed. Re-download software Does it work properly?
... the main board LGE Internal Use Only - 54 - Copyright © 2007 LG Electronics. The power-on key NO And check the level change of PWRKEY YES Check the voltage of NO The LDO outputs at U101 Charge or Change Battery Check the contact of power key Or dome-switch Replace U101 YES... = HIGH YES NO Does it work properly? All right reserved. Inc. The problem may NO YES be elsewhere. TROUBLE SHOOTING Checking Flow START NO Check Battery Voltage > 3.35V YES Push power-on procedure is Completed. Re-download software Does it work properly?
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... NO Voltage at anode of order Change the TA Resolder the Q200, D200, R213 Replace the Q200 , D200 Replace the Q200 The battery may have problems. Change the battery. YES NO 0.7V < voltage(R212) < 1.3V? YES Charging is properly operating Resolder the CN300 Pin 12,13 : VCHARGE Pin18... 5.2V ? YES NO Q200,D200,R213 are well-soldered? Only for training and service purposes LGE Internal Use Only - 56 - YES NO Battery is NO about 10~100mV? YES Voltage across R213 is charged? All right reserved. TROUBLE SHOOTING Checking Flow START NO I/O Connector(CN300) Is ...
... NO Voltage at anode of order Change the TA Resolder the Q200, D200, R213 Replace the Q200 , D200 Replace the Q200 The battery may have problems. Change the battery. YES NO 0.7V < voltage(R212) < 1.3V? YES Charging is properly operating Resolder the CN300 Pin 12,13 : VCHARGE Pin18... 5.2V ? YES NO Q200,D200,R213 are well-soldered? Only for training and service purposes LGE Internal Use Only - 56 - YES NO Battery is NO about 10~100mV? YES Voltage across R213 is charged? All right reserved. TROUBLE SHOOTING Checking Flow START NO I/O Connector(CN300) Is ...
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BLOCK DIAGRAM Main PCB ABB+DBB (AD6720) MG280/KG280 Block Diagram Memory (256M/64M) RF PAM Transceiver Antenna SIM Vibrat or Key VGA Camera (Backend IC) MIDI IC (YMU792) Bluetooth & FM Radio VCTCXO (26MHz) FEM BT Antenna Charging Battery CON. All right reserved. LGE Internal Use Only 6. Only for training and service purposes - 87 - Battery MIC Slide PCB 1.77î LCD Charge Pump Analog Switch Analog Switch 18 Pin MMI CON. 0.3M Came ra Speaker & Recei ver Touch KEY TA Ear-MIC Data Cable Copyright © 2007 LG Electronics. BLOCK DIAGRAM 6. Inc.
BLOCK DIAGRAM Main PCB ABB+DBB (AD6720) MG280/KG280 Block Diagram Memory (256M/64M) RF PAM Transceiver Antenna SIM Vibrat or Key VGA Camera (Backend IC) MIDI IC (YMU792) Bluetooth & FM Radio VCTCXO (26MHz) FEM BT Antenna Charging Battery CON. All right reserved. LGE Internal Use Only 6. Only for training and service purposes - 87 - Battery MIC Slide PCB 1.77î LCD Charge Pump Analog Switch Analog Switch 18 Pin MMI CON. 0.3M Came ra Speaker & Recei ver Touch KEY TA Ear-MIC Data Cable Copyright © 2007 LG Electronics. BLOCK DIAGRAM 6. Inc.
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LGE Internal Use Only - 90 - All right reserved. Copyright © 2007 LG Electronics. Only for training and service purposes Inc. 7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 1V8_VCAM 2V8_VCAM ACOUSTIC & MIDI FB200 VBAT 64 POLY MIDI IC(MP3 Ringtone) VBAT ... 0.1u R223 2.2K R232 NA R233 C229 NA 39p BOS-T1342SDN3-LH SUMY0010509 MIC200 1 2 C231 NA C232 NA VA202 EVLC18S02003 VA203 EVLC18S02003 BACK-UP BATTERY VBACKUP C241 1u Mount on the opposit BA201 NBL414R-F9J SBCL0001701 10V Under ECCH0004904 C225 1u R212 0.2 D200 CUS02 C223 4.7u C224 0.1u R211 0 ...
LGE Internal Use Only - 90 - All right reserved. Copyright © 2007 LG Electronics. Only for training and service purposes Inc. 7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 1V8_VCAM 2V8_VCAM ACOUSTIC & MIDI FB200 VBAT 64 POLY MIDI IC(MP3 Ringtone) VBAT ... 0.1u R223 2.2K R232 NA R233 C229 NA 39p BOS-T1342SDN3-LH SUMY0010509 MIC200 1 2 C231 NA C232 NA VA202 EVLC18S02003 VA203 EVLC18S02003 BACK-UP BATTERY VBACKUP C241 1u Mount on the opposit BA201 NBL414R-F9J SBCL0001701 10V Under ECCH0004904 C225 1u R212 0.2 D200 CUS02 C223 4.7u C224 0.1u R211 0 ...
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...will switch back to the original test menu. Only for switching the engineering mode on Bluetooth off All Calls Reset Copyright © 2007 LG Electronics. B. Pressing END will switch back to non-engineering mode operation. 9. Access Codes The key sequence for training and service purposes... - 105 - About Engineering Mode Engineering mode is 2945#*#. Reset S/W Version CAMERA LCD Backlight Buzzer Vibrator ADC Battery Audio DAI Bluetooth SAR Test All Auto Test Backlight Buzzer Vibrator LCD Key PAD MicSpkTest Camera Video Camera UART On UART Off ...
...will switch back to the original test menu. Only for switching the engineering mode on Bluetooth off All Calls Reset Copyright © 2007 LG Electronics. B. Pressing END will switch back to non-engineering mode operation. 9. Access Codes The key sequence for training and service purposes... - 105 - About Engineering Mode Engineering mode is 2945#*#. Reset S/W Version CAMERA LCD Backlight Buzzer Vibrator ADC Battery Audio DAI Bluetooth SAR Test All Auto Test Backlight Buzzer Vibrator LCD Key PAD MicSpkTest Camera Video Camera UART On UART Off ...
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...to Digital Converter) This displays the value of each ADC. 1) MVBAT ADC : Main Voltage Battery ADC 2) AUX ADC : Auxiliary ADC 3) TEMPER ADC : Temperature ADC 9.1.7 BATTERY 1) Bat Cal : This displays the value of Temperature Calibration. Inc. LGE Internal Use ...Only All right reserved. Only for Speech Transcoder and Acoustic testing. 1) DAI AUDIO : DAI audio mode 2) DAI UPLINK : Speech encoder test 3) DAI DOWNLINK : Speech decoder test 4) DAI OFF : DAI mode off Copyright © 2007 LG...
...to Digital Converter) This displays the value of each ADC. 1) MVBAT ADC : Main Voltage Battery ADC 2) AUX ADC : Auxiliary ADC 3) TEMPER ADC : Temperature ADC 9.1.7 BATTERY 1) Bat Cal : This displays the value of Temperature Calibration. Inc. LGE Internal Use ...Only All right reserved. Only for Speech Transcoder and Acoustic testing. 1) DAI AUDIO : DAI audio mode 2) DAI UPLINK : Speech encoder test 3) DAI DOWNLINK : Speech decoder test 4) DAI OFF : DAI mode off Copyright © 2007 LG...
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AUTO CALIBRATION 11.1 Overview Auto-cal (Auto Calibration) is the PC side Calibration tool that perform Tx, Rx and Battery Calibration with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone. 11.2 Equipment...(for training and service purposes - 113 - GSM Test Set(8960) GPIB Cable Brand Agilent LG LG Agilent Agilent LG Mobile Switch Cable Power Supply GPIB Cable Figure 11-1. Equipment Setup Copyright © 2007 LG Electronics. LGE Internal Use Only Inc. All right reserved. Auto-cal generates calibration data by ...
AUTO CALIBRATION 11.1 Overview Auto-cal (Auto Calibration) is the PC side Calibration tool that perform Tx, Rx and Battery Calibration with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone. 11.2 Equipment...(for training and service purposes - 113 - GSM Test Set(8960) GPIB Cable Brand Agilent LG LG Agilent Agilent LG Mobile Switch Cable Power Supply GPIB Cable Figure 11-1. Equipment Setup Copyright © 2007 LG Electronics. LGE Internal Use Only Inc. All right reserved. Auto-cal generates calibration data by ...
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... 1 Switch 2 Switch 3 Switch 4 Name ADI-REMOTE TI-REMOTE VBAT PS Description In ON state, phone is awaked. 11. Power is provided for phone from battery Power is provided for phone from Power supply Table 11-3 Jig DIP Switch LED Number LED 1 LED 2 LED 3 LED 4 Name Power TA UART MON Description...-REMOTE POWER TI-REMOTE TA 1234 POWER ON OFF MON Status PS VBAT + UART Status PS _ Figure 11-2 The top view of the phone battery Indicate data transfer state through the UART port Indicate data transfer state through the MON port Table 11-4 LED Description LGE Internal Use Only - 114...
... 1 Switch 2 Switch 3 Switch 4 Name ADI-REMOTE TI-REMOTE VBAT PS Description In ON state, phone is awaked. 11. Power is provided for phone from battery Power is provided for phone from Power supply Table 11-3 Jig DIP Switch LED Number LED 1 LED 2 LED 3 LED 4 Name Power TA UART MON Description...-REMOTE POWER TI-REMOTE TA 1234 POWER ON OFF MON Status PS VBAT + UART Status PS _ Figure 11-2 The top view of the phone battery Indicate data transfer state through the UART port Indicate data transfer state through the MON port Table 11-4 LED Description LGE Internal Use Only - 114...
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... procedure is for Rx calibration. LGE Internal Use Only - 118 - Inc. All right reserved. In this procedure, We can get main Battery Config Table and temperature Config Table will show correction values per every power level and gain code and the same measure is performed per every.... 11.6 APC This procedure is for training and service purposes Copyright © 2007 LG Electronics. You can get proper scale factor value and measured power level. 11.7 ADC This procedure is for battery calibration. Set band EGSM and press Start button the result window will be reset. ...
... procedure is for Rx calibration. LGE Internal Use Only - 118 - Inc. All right reserved. In this procedure, We can get main Battery Config Table and temperature Config Table will show correction values per every power level and gain code and the same measure is performed per every.... 11.6 APC This procedure is for training and service purposes Copyright © 2007 LG Electronics. You can get proper scale factor value and measured power level. 11.7 ADC This procedure is for battery calibration. Set band EGSM and press Start button the result window will be reset. ...