Service Manual
Page 27
...power-on time, and muting; MSM device-compatible 3-line SBI for controlled power-on sequencing, including the MSM device's reset signal - Dedicated circuits for efficient initialization, status, and control - Vibration motor driver programmable from 1.2 to other peripherals... general-purpose drivers - differential operation (drives external 8 Ω speakers with an internal interrupt manager - Supports and orchestrates soft resets - Many functions monitored and reported through real-time and interrupt status signals - Supports the MSM device's interrupt processing with volume...
...power-on time, and muting; MSM device-compatible 3-line SBI for controlled power-on sequencing, including the MSM device's reset signal - Dedicated circuits for efficient initialization, status, and control - Vibration motor driver programmable from 1.2 to other peripherals... general-purpose drivers - differential operation (drives external 8 Ω speakers with an internal interrupt manager - Supports and orchestrates soft resets - Many functions monitored and reported through real-time and interrupt status signals - Supports the MSM device's interrupt processing with volume...
Service Manual
Page 53
.... MSM Sub System 3.11.2.1. UART Interface UART signals are followed • USIM_CLK : USIM Clock • USIM_Reset : USIM Reset • USIM_Data : USIM Data T/Rx MSM6245 USIM CLK USIM Reset USIM Data PM6650 VREG_UIM 2.85V USIM CLK USIM Reset USIM Data USIM Figure 1.16 SIM Interface 3.11.2.2. 3. UART Interface - 54 - TECHNICAL BRIEF 3.11.2. And, there...
.... MSM Sub System 3.11.2.1. UART Interface UART signals are followed • USIM_CLK : USIM Clock • USIM_Reset : USIM Reset • USIM_Data : USIM Data T/Rx MSM6245 USIM CLK USIM Reset USIM Data PM6650 VREG_UIM 2.85V USIM CLK USIM Reset USIM Data USIM Figure 1.16 SIM Interface 3.11.2.2. 3. UART Interface - 54 - TECHNICAL BRIEF 3.11.2. And, there...
Service Manual
Page 58
... CAM_VSYNC_OUT O 20 CAM_PCLK O 21 GND GND 22 CAM_DATA_OUT(0) O 23 CAM_DATA_OUT(1) O 24 CAM_DATA_OUT(2) O Note Data Data Data Data Data GND Master Clock(24.576M) GND Camera reset signal I2C Data I2C Clock Camera power down DVDD VDDIO GND AVDD GND Horizontal Sync Vertical Sync Pixel Clock (49.152M) GND Data Data Data... MSM6245. 3. TECHNICAL BRIEF The MEGA Camera module is connected to camera module and receive 49.152MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from MSM6245.
... CAM_VSYNC_OUT O 20 CAM_PCLK O 21 GND GND 22 CAM_DATA_OUT(0) O 23 CAM_DATA_OUT(1) O 24 CAM_DATA_OUT(2) O Note Data Data Data Data Data GND Master Clock(24.576M) GND Camera reset signal I2C Data I2C Clock Camera power down DVDD VDDIO GND AVDD GND Horizontal Sync Vertical Sync Pixel Clock (49.152M) GND Data Data Data... MSM6245. 3. TECHNICAL BRIEF The MEGA Camera module is connected to camera module and receive 49.152MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from MSM6245.
Service Manual
Page 59
... Data 13 CAM_VSYNC O Vertical Sync 14 CAM_HSYNC O Horizontal Sync 15 GND GND GND 16 I2C_SDA I I2C Data 17 I2C_SCL I I2C Clock 18 VGA_CAM_RESET_N I Camera reset signal 19 VREG_AVDD_2.8V I Camera I/O Power 20 VREG_AVDD_2.8V I Camera I/O Power Table. The camera module is dedicated camera interface port in camera module) - ... The VGA Camera module is connected to camera module and receive 12.288MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from MSM6245. 3. Interface between VGA Camera Module and MAIN PCB (in MSM6245.
... Data 13 CAM_VSYNC O Vertical Sync 14 CAM_HSYNC O Horizontal Sync 15 GND GND GND 16 I2C_SDA I I2C Data 17 I2C_SCL I I2C Clock 18 VGA_CAM_RESET_N I Camera reset signal 19 VREG_AVDD_2.8V I Camera I/O Power 20 VREG_AVDD_2.8V I Camera I/O Power Table. The camera module is dedicated camera interface port in camera module) - ... The VGA Camera module is connected to camera module and receive 12.288MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from MSM6245. 3. Interface between VGA Camera Module and MAIN PCB (in MSM6245.
Service Manual
Page 93
... charging the Battery NO Check the Key Dome YES VREG_MSMC_1.2V,VREG_MSMP_2.7V, VREG_MSME_1.8V, VREG_TCXO_2.85V, VREG_MSMA_2.6V power up and system reset assert to MSM6245 → Phone booting and PS_HOLD assert to low, PM6650 KPDPWR_N (pin24) → PM6650 Power Up → VREG_MSMC_1.2V,....8V, VREG_MSMP_2.7V, VREG_MSMA_2.6V, VREG_TCXO_2.85V power up ? YES Key press? TROUBLE SHOOTING 4.9 Power ON Troubleshooting Power On sequence of U250/KU250 is : PWR key press → PM_ON_SW_N go to PMIC Start Battery voltage. NO Change the Main board YES Is clock ok? higher than ...
... charging the Battery NO Check the Key Dome YES VREG_MSMC_1.2V,VREG_MSMP_2.7V, VREG_MSME_1.8V, VREG_TCXO_2.85V, VREG_MSMA_2.6V power up and system reset assert to MSM6245 → Phone booting and PS_HOLD assert to low, PM6650 KPDPWR_N (pin24) → PM6650 Power Up → VREG_MSMC_1.2V,....8V, VREG_MSMP_2.7V, VREG_MSMA_2.6V, VREG_TCXO_2.85V power up ? YES Key press? TROUBLE SHOOTING 4.9 Power ON Troubleshooting Power On sequence of U250/KU250 is : PWR key press → PM_ON_SW_N go to PMIC Start Battery voltage. NO Change the Main board YES Is clock ok? higher than ...
Service Manual
Page 120
Only calibration data is kept when NV backup/restore is reset in a selected folder. 2) Click on the Browse... If you started downloading new images, check the option. Keep All Contents Maintain user data ...note that all the user data back to the way they were before you want to reset all images should be erased. U250/KU250 1) 2) U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 3) 4) 6) 5) 7) 4) Reset database & Contents: User related data including the setting data on the handset. 3) NV...
Only calibration data is kept when NV backup/restore is reset in a selected folder. 2) Click on the Browse... If you started downloading new images, check the option. Keep All Contents Maintain user data ...note that all the user data back to the way they were before you want to reset all images should be erased. U250/KU250 1) 2) U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 U250/KU250 3) 4) 6) 5) 7) 4) Reset database & Contents: User related data including the setting data on the handset. 3) NV...