Service Manual
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...Dugital IO s & controls Quadrature Downconverter LPF LPF & DC Corr ection F ref PLL # 2 VCO Phone VCTCXO PM6635-3P Input Power Management Voltage R egulat ors General H ous ek eeping User Interfaces IC ...odule [Fig 3.1] Block diagram of RF part A generic, high-level functional block diagram of KE990/KE990c is shown in Figure 3-1. The antenna connects with receive and transmit paths through a FEM(...to RF. RTR6235 for Power Management 4. LGE Internal Use Only Copyright © 2008 LG Electronics. Only for GSM/EDGE Tx 2. RTR6235 for training and service purposes - 15...
...Dugital IO s & controls Quadrature Downconverter LPF LPF & DC Corr ection F ref PLL # 2 VCO Phone VCTCXO PM6635-3P Input Power Management Voltage R egulat ors General H ous ek eeping User Interfaces IC ...odule [Fig 3.1] Block diagram of RF part A generic, high-level functional block diagram of KE990/KE990c is shown in Figure 3-1. The antenna connects with receive and transmit paths through a FEM(...to RF. RTR6235 for Power Management 4. LGE Internal Use Only Copyright © 2008 LG Electronics. Only for GSM/EDGE Tx 2. RTR6235 for training and service purposes - 15...
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... against detrimental conditions. The GSM/EDGE transmit path employs one stage of Polar power amplifier from a DAC within the ESM KE990/KE990c power supply voltages are routed to a constant envelope phase signal at RF; 2. Various oscillator, clock, and counter circuits ...dropout, programmable regulators. The amplitude-modulated (AM) component is divided into a single mixed signal IC. Copyright © 2008 LG Electronics. This versatile device integrates all wireless handset power management, general housekeeping, and user interface support functions into phase and amplitude...
... against detrimental conditions. The GSM/EDGE transmit path employs one stage of Polar power amplifier from a DAC within the ESM KE990/KE990c power supply voltages are routed to a constant envelope phase signal at RF; 2. Various oscillator, clock, and counter circuits ...dropout, programmable regulators. The amplitude-modulated (AM) component is divided into a single mixed signal IC. Copyright © 2008 LG Electronics. This versatile device integrates all wireless handset power management, general housekeeping, and user interface support functions into phase and amplitude...
Service Manual
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... GSM1800/1900 Tx (High Band Tx's share the same path), 3) EGSM900 Rx, 4) GSM1800 Rx, 5) GSM1900 Rx. Copyright © 2008 LG Electronics. LGE Internal Use Only this is used to implement SBI commands. The balance between the three RFICs as follows: ■ EGSM-900,... Software documentation for training and service purposes - 17 - Only for details. TECHNICAL BRIEF 3.2 GSM Mode 3.2.1 GSM Receiver The Dual-mode KE990/KE990c's receiver functions are connected directly to one mode active at any time and a frequency duplexer is not required. [Table 3.2.1] Antenna Switch ...
... GSM1800/1900 Tx (High Band Tx's share the same path), 3) EGSM900 Rx, 4) GSM1800 Rx, 5) GSM1900 Rx. Copyright © 2008 LG Electronics. LGE Internal Use Only this is used to implement SBI commands. The balance between the three RFICs as follows: ■ EGSM-900,... Software documentation for training and service purposes - 17 - Only for details. TECHNICAL BRIEF 3.2 GSM Mode 3.2.1 GSM Receiver The Dual-mode KE990/KE990c's receiver functions are connected directly to one mode active at any time and a frequency duplexer is not required. [Table 3.2.1] Antenna Switch ...
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... 1.1 compliant baseband core, so the other bluetooth components are bluetooth RF module and Antenna. All right reserved. Figure3.4.5 shows the bluetooth system architecture in the KE990/KE990c. Only for training and service purposes 3. Copyright © 2008...
... 1.1 compliant baseband core, so the other bluetooth components are bluetooth RF module and Antenna. All right reserved. Figure3.4.5 shows the bluetooth system architecture in the KE990/KE990c. Only for training and service purposes 3. Copyright © 2008...
Service Manual
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KE990/KE990c KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 Copyright © 2008 LG Electronics. LGE Internal Use Only DOWNLOAD • The status Ready is displayed when the application is displayed. While the images are transmitted from PC to the handset, a progressive bar (Red box) indicating the degree of transmission of data is ready for training and service purposes - 129 - Inc. 5. Only for downloading. All right reserved.
KE990/KE990c KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 Copyright © 2008 LG Electronics. LGE Internal Use Only DOWNLOAD • The status Ready is displayed when the application is displayed. While the images are transmitted from PC to the handset, a progressive bar (Red box) indicating the degree of transmission of data is ready for training and service purposes - 129 - Inc. 5. Only for downloading. All right reserved.
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... the LGMDP installation directory. • Erasing the existing directories and files before the Module image is downloaded. DOWNLOAD 5.2.3 Downloading KE990 KE990/KE990c KE990/KE990c • This message box informs that a new file for training and service purposes Copyright © 2008 LG Electronics. KE990/KE990c • Downloading the AMSS modem image LGE Internal Use Only - 138 - All right reserved. 5.
... the LGMDP installation directory. • Erasing the existing directories and files before the Module image is downloaded. DOWNLOAD 5.2.3 Downloading KE990 KE990/KE990c KE990/KE990c • This message box informs that a new file for training and service purposes Copyright © 2008 LG Electronics. KE990/KE990c • Downloading the AMSS modem image LGE Internal Use Only - 138 - All right reserved. 5.
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DOWNLOAD • Rebooting the handset and re-establishing the connection KE990/KE990c • Restoring NV data which backed up in the Backing up process. All right reserved. User can also restore NV data using NV Default image selection. • Rebooting the handset and re-establishing the connection KE990/KE990c • Erasing the existing directories and files before downloading the selected Media image Copyright © 2008 LG Electronics. Only for training and service purposes - 139 - 5. LGE Internal Use Only Inc.
DOWNLOAD • Rebooting the handset and re-establishing the connection KE990/KE990c • Restoring NV data which backed up in the Backing up process. All right reserved. User can also restore NV data using NV Default image selection. • Rebooting the handset and re-establishing the connection KE990/KE990c • Erasing the existing directories and files before downloading the selected Media image Copyright © 2008 LG Electronics. Only for training and service purposes - 139 - 5. LGE Internal Use Only Inc.
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Copyright © 2008 LG Electronics. 5. DOWNLOAD KE990/KE990c • Downloading Media image in progress KE990/KE990c • Downloading Module image in progress • Rebooting handset KE990/KE990c • Downloading process has completed successfully LGE Internal Use Only - 140 - Only for training and service purposes All right reserved. Inc.
Copyright © 2008 LG Electronics. 5. DOWNLOAD KE990/KE990c • Downloading Media image in progress KE990/KE990c • Downloading Module image in progress • Rebooting handset KE990/KE990c • Downloading process has completed successfully LGE Internal Use Only - 140 - Only for training and service purposes All right reserved. Inc.
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... on the Connect button to AMSS. Inc. 5. KE990/KE990c KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 LGE Internal Use Only - 142 - Copyright © 2008 LG Electronics. DOWNLOAD 5.3 Troubleshooting Download Errors 5.3.1 When the phone does not work • Reboot the phone in Emergency mode. The phone supports a special mode called emergency mode. All right... running so that users can download the images again in case of Select Port when phone is running in this mode, minimum units for training and service purposes
... on the Connect button to AMSS. Inc. 5. KE990/KE990c KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 LGE Internal Use Only - 142 - Copyright © 2008 LG Electronics. DOWNLOAD 5.3 Troubleshooting Download Errors 5.3.1 When the phone does not work • Reboot the phone in Emergency mode. The phone supports a special mode called emergency mode. All right... running so that users can download the images again in case of Select Port when phone is running in this mode, minimum units for training and service purposes
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KE990/KE990c LGE Internal Use Only - 144 - Copyright © 2008 LG Electronics. Only for training and service purposes All right reserved. Next slide shows the remedial procedure to adopt. Inc. 5. DOWNLOAD 5.3.2 NV Restore Error • Snapshot showing the NV Restore error.
KE990/KE990c LGE Internal Use Only - 144 - Copyright © 2008 LG Electronics. Only for training and service purposes All right reserved. Next slide shows the remedial procedure to adopt. Inc. 5. DOWNLOAD 5.3.2 NV Restore Error • Snapshot showing the NV Restore error.
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DOWNLOAD • Connect the handset and Press the Connect button in the Select Port window. (Enable state in the window indicates that the Phone has been detected and is ready to download.) KE990/KE990c KE990 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 145 - LGE Internal Use Only 5.
DOWNLOAD • Connect the handset and Press the Connect button in the Select Port window. (Enable state in the window indicates that the Phone has been detected and is ready to download.) KE990/KE990c KE990 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 145 - LGE Internal Use Only 5.
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Calibration & RF Auto Test Program (Hot Kimchi) 10. Inc. LGE Internal Use Only Click Start button to calibrate a phone. Copyright © 2008 LG Electronics. Choose "1" in list box. 3. Select the model name(KE990, KE998, KE990c, or KE990D) which you want in LOGIC MODE (means calibration alone) 2. All right reserved. Only for training and service purposes... logic operation in sub-menu. 10. Calibration & RF Auto Test Program (Hot Kimchi) 10.1 Usage of Hot-Kimchi 10.1.1 RF Calibration Calibration Only Model Name KE990/KE990c * Procedure 1.
Calibration & RF Auto Test Program (Hot Kimchi) 10. Inc. LGE Internal Use Only Click Start button to calibrate a phone. Copyright © 2008 LG Electronics. Choose "1" in list box. 3. Select the model name(KE990, KE998, KE990c, or KE990D) which you want in LOGIC MODE (means calibration alone) 2. All right reserved. Only for training and service purposes... logic operation in sub-menu. 10. Calibration & RF Auto Test Program (Hot Kimchi) 10.1 Usage of Hot-Kimchi 10.1.1 RF Calibration Calibration Only Model Name KE990/KE990c * Procedure 1.