RadioComm原厂平台图文教程.doc

工作指引名称: 控制编号: 批准人：第 7 页 共 7 页适用区域: 生效日期: xx/xx/xx修改日期: xx/xx/xx修改记录修改编号日期变更原因制作人批准人0创作1.0 目的-从这里开始 2.0 术语/缩写词解释术语解释3.0 操作过程通过USB接口加电5V(USB-ID与USB-PWR线短路） 为方便对手机主板的维修测量，建议采用USB接口加电。 USB_VBUS_5v电压, 经过玻璃保护管USB_PWR_4.8v, 来到单向稳压二极管后得出B_PLUS_4.2v.USB_VBUS_5vUSB_PWR_4.8vPWR_4.8vUSB_2.0_接口ICPWR_4.8vB_PLUS_4.2vPWR_4.8vVREG_TCXO_2.8v VREG_SYNTH_2.8v VREG_RF_TX_2.8v VREG_RF_RX_2.8v VREG_MSMA_2.6v VREG_MSMP_2.6v VREG_MSME_1.8v VREG_MSMC_1.4vVREG_RF_RX_2.8v PWR_4.8vVREG_RF_TX_2.8v PWR_4.8vVREG_TCXO_2.8vVREG_MSMA_2.6vVREG_SYNTH_2.8v PWR_4.8v32.768KHzVREG-MSMC_1.4vPWR_4.8vVREG_MSMP_2.6v PWR_4.8vVREG_MSME_1.8v PWR_4.8vB_PLUS_4.3v当按键盘开/关机键完成触发开机动作，或插入USB线后,电源IC_PCAP输出几组逻辑供电，一组音频供电及一个时钟频率. 电源IC_PM输出四组逻辑供电，及时钟频率 .VREG-MSMP-PM_2.8vPWR_4.8vVREG-MSMC-PM_1.4vPWR_4.8vVREG-MSMA-PM_2.6v VAP_CORE_v PWR_4.8vVREG_TCXO_2.8vVREG-MSME-PM_1.8vPWR_4.8vVAB_IO _2.8vPWR_4.8vVAB_IO_2.84VAPP_CPU/BUL_13MHz_CLK_IN VAP_CORE_1.2vTCXO_19.2MHzVAB_MEM_1.80VVAB_MEM_1.8V PWR_4.8vVBB_REF_1.57VVAP_CORE_1.2v PWR_4.8vV-AUDIO-PCA2.76vPCAP/XTAL2_32.768KHzV-AUDIO-PCA2.76vPWR_4.8vVREG-MSMP-PM_2.8vVREG-MSMA-PM_2.6vVREG-MSME-PM_1.8vVREG-MSMC-PM_1.4vVREG_TCXO_2.8vTCXO_19.2MHzVBB_REF_1.57VPWR_4.8vPCAP_XTL2_32.768KHzMP_6500PWR_4.8vRFT_6100PWR_4.8vFL_CDMA8000MHzPWR_4.8vRFL_6000PWR_4.8vPA_CDMA_800MHzPWR_4.8v后备电子PWR_4.8vRFR_6000PWR_4.8v本振VCOPWR_4.8v.每次点击应为绿色,红色视为不通过转蓝色表示连通机RX:利用RadioComm软件,按下图点击1至8步进入384信道开启接收状态, 可测量如下数据.:信号源从天线接口入_-47db 低噪放大_RFL_2#_0.8v低噪放大_RFL_13#_-33db RFR_34#_QPRFL_2#_0.8V偏置放大_1.12V偏置放大_0.6VVREG_RF_RX_2.8vVREG_MSMP2.8vVREG_TCXO_2.8vTCXO_19.2MHzGVCO_TUNE_1.5vEXT_VCO_EN_2.6v2.8V2.7VRFL_15#_2.8V1.27VRFR_6#_0.76V信号源低噪滤波后_-40db RFL_偏置放大_0.6vRFR_偏置放大_1.12v VREG_RF_RX_2.8v RX_RFR_(IQ) 1.32v TCXO_19.2MHz VREG_MSMP2.8v GVCO_TUNE1.5v VREG_TCXO2.8v 50483338TX: 利用RadioComm软件,按下图点击1至6步进入384信道开启发射状态, 可测量如下数据.:CELL_RFT-20db每次点击应为绿色,红色视为不通过转蓝色表示连通机PA_2#_22dbPA_8#_ 4dbVREG_SYNTH_2.8vTX_BACK_END_2.8vTCXO_19.2MHzVREG_SYNTH_2.8vPA_B_PLUS _4.2v1.5vVREG_RF_TX_2.8vPA _1#_2.8v偏置放大_1.12vTX_I_0.9vTX_QN_0.9vVREG_SYNTH_2.8vTX_QN_0.9vRFT偏置放大_1.12VVREG_RF_TX_2.8vPA_B_PLUS _4.2v1.5vTCXO_19.2MHzTX_BACK_END _2.8vPA_ON0_2.6vPA_1#_2.8vRF_DETECT_0.81.0vPA_R1_02.6vTX_AGC_ADJ_2.2vPA_ON0_2.6vVREG_RF_TX_2.8vC115_0v2.6vTX_AGC_ADJ_2.2vRF_DETECT_0.81.0vCELL_RFTUSB数据:经U5510_U6859_P3003_小板上112#脚_DS卡高速传输U6859_外部设备控制器U5510VAB