海信5277板液晶彩电主板电路原理图.pdf

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1、54321POWERTREEVCC_A+12V_inVCC_AVDD_AMPNTF8212AMPDDN21AO4459AO4459TUNER/SS/XG/SPDTMBDEMO+12V_in+12VpanelN17SiliconTuneronboardN18AMP扬扬扬AO4459DVDD3V3MT5505BRForWIFI+12V_inTPS54528+5V_SB+5V_SWAP1084AVDD3V3USB1DC/DCLDOSOC耳耳耳耳N9N43V3_ADCN17N1TLV70233DBVRRFUSBHUB+

2、5V_SB3V3_SBLDOKEY/SOCN107WIFIAV_OUT+5V_SBUSB2CLED/RF/IRCMT5505BSPDIF_OUTAVDD1V2N1TPS54528SOC+12VVCCK1V2DC/DC网网N10H5TQ4G63MFRDDRVDDR316X2DDRAIC2862-5GR8TBN35/36+12VDDRVDDRVDC/DCSOCHDMI1N87MT5505BeMMC/NandflashN1+5V_SW3V3HDMI2LD1117A-3V3LD1117A-1V2ATBM8859B+5V

3、_SW3V3ASIC-1V2demoBLDOLDON20N31N32AV1Tuner/ss/xg/SPAV2LD1117A-3V3MXL601+5V_SWLDO3.3V_TunerKEY/SOCAV2/YUVYUVN401N24VGAAASizeDocumentNumberRevCDate:Thursday,February21,2013Sheet1of135432154321BlockDiagramPanelLVDSUSB1USB1DDTMBDTuner8859ATVWifiUSB

4、HUB射射视射视视射视射射射射射射射射射USB2USB2CC视视视视视1视视视视视1MT5505视视视视视2分分分分分分分分分分/视视视视视2VGAX1VGAHDMIX2HDMIBB网网网网网X1网网网网网视视视视视视视视视视视视视X1视视视视视视视视视视视视视耳耳耳耳耳耳耳耳耳耳耳耳耳X1音音视音视视视视视视视视视X1耳耳耳耳耳/音音视音视视视视视视视视视AAeMMCEEPROMDDR34G2G+2GSizeDocumentNumberRevDDate:Thursday,Febru

5、ary21,2013Sheet2of135432154321GPIOLISTPINNAMEGPIOFunctionFunctiondefineGPIO_0SD_CHIPRESETNGPIO_13D_ENGPIO_2LVDS_PWR_ENGPIO_3eMMC_RSTGPIO_43D_SYNCDGPIO_5LVDSCTRL0DGPIO_6Flash_WP#GPIO_7HP_MUTE_CTRLGPIO_8GPIO_9SYS_EEPROM_WPADIN0SCARTFS0ADIN1SCARTFS1ADIN2ADIN3US

6、B_ERR_P0P1ADIN4KEY_PAD0ADIN5RF_AGCIOPCTRL0strap[1]AMP_MUTEOPCTRL1BL_ON_OFFOPCTRL2AMP_ResetOPCTRL3strap[2]COPCTRL4strap[3]COPWM0OPWM1MUTE_AMPOPWM2BL_DIMMINGOPWM3PHY_LED0OPWM4PHY_LED1OPWM5PACLEstrap[0]ADIN0_SRVSCART_FS0ADIN1_SRVSCART_FS1ADIN2_SRVEMMC_RSTADIN3_

7、SRVUSB_ERR_P0P1ADIN4_SRVSD_DETADIN5_SRVRF_AGCIGPIO13D_ED/BBGPIO83D_SYNCAASizeDocumentNumberRevCDate:Thursday,February21,2013Sheet3of135432154321MAINPOWERXP2XP8XP1DIGITALPOWERDVDD3V3DVDD3V3L8BLM18PG121SN1AVDD3V3+12VPOWEROPWRSB126OPWRSBC139GNDN11

8、AP1084DGAZ1084D-ADJ10u/10V5,6,7,8,9,10,11,12GNDBL-ADJUST34BL_ON/OFF5623L9BLM18PG121SN1+12V_in+12V+12V_in+12V_in5V_SWVin_2_1VOUTDVDD3V3DVDD3V3DAC_3V3L18BLM18PG121SN1/NCSTANDBY78C141L16N4011USB_DP