Hardware Sub System Of Msm6280 - LG KT610 Service Manual

3. TECHNICAL BRIEF

3.13 Hardware sub system of MSM6280

3.13.1 RF Interface
The MSM6280 device interfaces with all MSM6280-series radioOne ICs. There will be three RF
platforms supported within the MSM6280 chipset, schedules of which are available in the software and
product release documents. The MSM6280 radioOne chipset includes
■ MSM6280 chipset with Platform 3U
- RFR6250 UMTS high-band receiver IC + GPS receiver IC
- RTR6250 WCDMA Tx/GSM/GPRS/EDGE transceiver IC
- RFR6220 UMTS low-band receiver IC
- PM6650-2 power management IC
- MSM6280 Mobile Station Modem IC
■ MSM6280 chipset with Platform B/E (RFCMOS)
- RTR6275 WCDMA Tx/GSM/GPRS/EDGE transceiver IC
- RFR6275 WCDMA RF-to-baseband receiver IC
- PM6650-2 power management IC
- MSM6280 Mobile Station Modem IC
- MSM6280 chipset with Platform D:
- RTR6275 WCDMA Tx/GSM/GPRS/EDGE transceiver IC
- RFR6500/6525 WCDMA RF-to-baseband receiver IC
- PM6650-2 power management IC
- MSM6280 Mobile Station Modem IC
■ MSM6280 chipset with Platform F
- RTR6285 WCDMA Tx/GSM/GPRS/EDGE transceiver IC
- PM6658 power management IC
- MSM6280 Mobile Station Modem IC
■ Platform 3U Lite is Platform 3U minus the RFR6220 IC, and it is also supported by the MSM6280
device. Platform 3U Lite supports the following bands/modes
- UMTS/HSDPA 2100/1900 MHz and GSM/GPRS/EDGE 850/900/1800/1900 MHz
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