lcdhome论坛_788-tw8827原理图

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1、54321GPO2:____SEL---AGPO3:____SEL---BLCD_SCLDVD_PWRLCD_SCLDVD_PWRLCD_SDAMCU_MUTELCD_SDAMCU_MUTEDAC/LADC/SENSETV_ENTV_ENTW-VCC3DVD_IRMGPIO:____KEYDVD_IRAVD3L5FB30MGPI1:____BL_ENCON12MGPI2:____KEYMGPI3:____KEY30P_BOTTOM_0.5C310.1uFMGPI4:____MUTEMGPI5:____KE

2、YLR1LRCKV2DACKVDMGPI6:____DVD--PWRUD3TW-VCC3MGPI7:____DVD--IR4UDVCOM1ADCVCOM5TW-VCC18TXD:____TV_EN6VCOM2AVD1RXD:____不够时可以用BOUT7GND2BL7FB30GOUT811GROUT9R102R80R614.7K/WPFLASH10R4.7K4.7KTW-VCC3TW-VCC3GND1C36U15SPI_CSNOEH110.1uF8722SPI_SDIC88CPH112OEH1VCCWP6

3、LCD_SCL0.1uFSTVR13CPH1A0SCLSTVRA2J5U14STHR14C723A15LCD_SDAR55018OEV15STHR0.1uF4A2SDAR6647K110R5602/CSVCC7STHL16OEVVSS29DO/HOLDSTHLSPI_CLK36R640SPI_CLKSTVL17PLL24LC1638SPI_SDO4/WPCLK5BL_EN/OUT18STVLTW-VCC18/RESET47GNDDIO19BL_ENAVD256R670SPI_SDO20GND3GND4L9

4、FB30R604.7KW25X10VSNIGTW-VCC3VCC21SPK_GND122SPK_GND2MCU_EN23C44SPI_CLKSPK_GND30.1uFSPI_SDI24VCC1SPI_SDOSPR-25ROUTSPI_CSN此PIN现做TV_EN26VCC2GOUTSPR+VCC3R844.7kABOUTTV_EN27TW-VCC3SPK_R1TXDTP52SPL-28I/ORXDTP53SPK_R229TW-VCC3TP58SPL+30SPK_L1SPK_L2TW-I/OL8FB30R1

5、3833RLCD_SCLTP54R11933RLCD_SDATP5531GND5RESET32CC39C40TW-VCC3GND6CTP57R790.1uF0.1uFA3MCU_END47KVATW-CORE1U19CORE08978777675747372717079686766656463626163/RESETTW-VCC18TW-COREC340.1uF30110TTT3KIDON33DDKTN2D10L10FB3089L_SYSVININNENEUUUDVLCSDS_8_8XTXLCADE_BA

6、V99+EC22ACCSSOBOGORAI_I_SC11R/S/SU10uF/10VDDPPI_I_PSSDLACR13933RAAASSPSSVDVCDMC0805BC50C51C52此电阻不能用75RS_S_UU0.1uF0.1uF0.1uFCCMMR117R9275R160SPR+SPR+C350.1uFAVD12AVD1PWR_DN59SPR-V_INYIN1VSS33_3SPL+SPR-A35847KSPL+4YIN0VDD33_357SPL-AYGNDTEST1SPL-R14475RA556/

7、RESET89L_SCA6YOUTRESET#55AVS1XTAL27I754R93100R请用低开屏CINXTAL27OC540.1uF853IR_IN第10PIN不能用,如有用到,请更换TV_VAVD2A9AVD2TW8827DTVDE/IR52D1051N4148R1181MTW-VCC3AVS2DTVHS1051FPBIAS/CCFLP/LED_OUTDTVVSPWM口要加上拉TW-VCC3R834.7kVOLUME_PWM11FPPWM1/CCFLNDTVCLK50R724.7k27MHz124

8、9DVD_IRR714.7kY213VDD18_1DTV15/MGPIO748DVD_PWRR651kLRVSS18_1DTV14/MGPIO6KEY_CTW-VCC31447R684.7kTCLRL/GPO0DTV13/MGPIO511546MCU_MUTE_ONR694.7kCKV16FPPWCDTV12/MGPIO445KEY_BR1094.7kC37C38BL_EN2UD17TRCLKDTV11/MGPIO344KEY