海信TLM32V78X3D系列液晶(4337板)主板电路原理图.pdf
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海信TLM32V78X3D系列液晶(4337板)主板电路原理图.pdf

海信TLM32V78X3D系列液晶(4337板)主板电路原理图.pdf

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MT53255325GPIODefinitionPINNAMENETNAMEFunctiondefineGPIO_0USB_PWR_EN0AudioSystemGPIO_1GPIO_2USB_PWR_EN1I2STAS5707SPEAKERGPIO_3GPIO_4GPIO_5PWMAR/L0LM4558HeadPhoneGPIO_6GPIO_7PWMAR/L1LM4558AUDIOOUTGPIO_8MT5325GPIO_9GPIO_10HPDET#BGAADC_INR/Lx7GPIO_11SYS_EEPROM_WPGPIO_12GPIO_13TunerMPX/IF+/-GPIO_14GPIO_15GPIO_16PHY_DEGPIO_17BL_ON/OFFGPIO_18LVDS_PWR_ENGPIO_19GPIO_20GPIO_21VideoSystemGPIO_22GPIO_23MT5325BGAADIN0RX_0HSYNCADIN1RX_0BVSYNCADIN2RX_1RP,GP,RX_1BBPADIN3KeyPAD1RX_2VGACOMSOY0,CVBS2PUSB_DP0Y0P,VDAC_OUT1ADIN4Light-SensorUSB_DM0RX_2BSOGRX_CVGASDACOM0,ADIN0USB_DP1CVBS0PADIN5USB_OC_COMRX_CBVGASCLPB0PUSB_DM1PR0POPCTRL0OPCTRL1OPCTRL2MUTE_CTLOPCTRL3POWER_LEDOPCTRL4strap[0]OPCTRL5strap[1]OPCTRL6OPWM0USB#1OPWM1BL_DIMMINGUSB#2HDMI1VGAYPbPr#0AV#1OPWM2ASPDIFstrap[2]DisplaySystemMini_LVDSLVDS1MT5325BGAMini_LVDSLVDS21、索引HISENSETRAINING54321GNDVPAALLGND+5VXP312,5,6,7,9,13,14+5VXP30R1+12VDVDD3V3BackLightControl2,5,8,9,13+12V11k/NC+5V1C1+5V+5VSB2+5VSB2100n/16V/NC2,4,9+3V3SB332,3,10+3V3SB42,4,6,8,10,13AVDD3V34R3AVDD3V3DVDD3V35BL_EN+5V2,3,5,9,12,14DVDD3V35+12VDAC3V36DIMMING1kR52,8DAC3V36C2AVDD1V271k/NC2,3,4,5,6,10,11,13,14AVDD1V27+5VR8100n/16VR6R9DIMMINGVCCK8+12V8+3V3SB2,3VCCK910k/NC0R/NC34.7k9OPWRSB10+5VSB10R10C5C62,3OPWRSB11BL_DIMMING1V1R11R12BL_DIMMING111.8k/NC100n/16V10u/10V1.8k/NC2,4BL_DIMMINGBL_ON/OFF12SW124.7kMMBT3904LT12,4BL_ON/OFF+3V3SB1313214+5V+12VDD+5VSB2,4,9+5VSBC833C832VPA+5VSB470u/25V2,4,9VPA470u/25V+5V+5VSBR1310k/NCR7R2R42k4.7k/NC4.7kR30R29MMBT3904LT110k0RR28R25BL_EN3R14+3V3SB33R274.7kOPWRSB4.7k0RV21BL_ON/OFF4.7k/NC1V81V12MMBT3904LT1/NCMMBT3904LT1R18C8R15SW0R2C70223100n/16V10kC2604.7u/10V/NCR21100n/16V/NC4.7k/NCV41COREPOWER1.1V2MMBT3904LT1/NCSTANDBY+5VSBPOWER3V3SBN5BuckConverter3AVCCK1PGNDLX28L61N101+3V3SB+12VVD107L2215.0uHR34MBR0520LT1/B0520LW2VINLX1734BLM18PG121SN1100kC835VINVOUTC33C34R36C211470u/25V22364.42k10u/16