Service Manual
Page 32
... interface (External Bus Unit). • Support of S-GOLD standby power-down concept • Low-drop-out (LDO) regulators for Flash and mobile RAM memory devices • Voltage independent switching of two SIM cards • LDO regulators for baseband I/O supply • LDO regulator for analog...devices as well. 3. If used with the Infineon SGOLD baseband device it provides all power supply functions (except for the RF PA) for mobile handsets. Power management IC 3.3.1. Although optimized for usage with S-GOLD2 it is a highly integrated Power and Battery Management IC for a complete ...
... interface (External Bus Unit). • Support of S-GOLD standby power-down concept • Low-drop-out (LDO) regulators for Flash and mobile RAM memory devices • Voltage independent switching of two SIM cards • LDO regulators for baseband I/O supply • LDO regulator for analog...devices as well. 3. If used with the Infineon SGOLD baseband device it provides all power supply functions (except for the RF PA) for mobile handsets. Power management IC 3.3.1. Although optimized for usage with S-GOLD2 it is a highly integrated Power and Battery Management IC for a complete ...
Service Manual
Page 34
In this subsystem is not used. mute switch - Pre-charge current source with internal switching capacitor for the DSP during mobile standby whenever this phase the ARM controller and most peripherals including parts of the on and off by temporarily switching off...mode control logic with 3 different termination voltages - SM-POWER includes a fully differential audio amplifier able to reduce the thermal power dissipation in hands-free phones and for use with i.e. Regulated voltage for Li-Ion, Li-Polymer batteries - Monitoring of color - Error flags (volatile or non-volatile) from ...
In this subsystem is not used. mute switch - Pre-charge current source with internal switching capacitor for the DSP during mobile standby whenever this phase the ARM controller and most peripherals including parts of the on and off by temporarily switching off...mode control logic with 3 different termination voltages - SM-POWER includes a fully differential audio amplifier able to reduce the thermal power dissipation in hands-free phones and for use with i.e. Regulated voltage for Li-Ion, Li-Polymer batteries - Monitoring of color - Error flags (volatile or non-volatile) from ...
Service Manual
Page 75
Follow trouble shooting procedure 5.2 Power on all of LDOs from PMIC - 76 - Connect PIF-UNION JIG or dummy battery to over 3.35V) -Power-On Key detection (PWRON signal) -Outputs of test equipment - Connect mobile switch cable between Communication test set and DUT when you need to make a phone call. - Trouble shooting 5. 5. Trouble shooting 5.1 Trouble shooting test setup 4.000V 0.0000A Figure 51 Equipment setup Power on Trouble Check Points -Battery Voltage( Need to the DUT for power up. -
Follow trouble shooting procedure 5.2 Power on all of LDOs from PMIC - 76 - Connect PIF-UNION JIG or dummy battery to over 3.35V) -Power-On Key detection (PWRON signal) -Outputs of test equipment - Connect mobile switch cable between Communication test set and DUT when you need to make a phone call. - Trouble shooting 5. 5. Trouble shooting 5.1 Trouble shooting test setup 4.000V 0.0000A Figure 51 Equipment setup Power on Trouble Check Points -Battery Voltage( Need to the DUT for power up. -