TLM40V68PK系列(1859板)主板电路原理图.pdf

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1、POWERINPUTTUNERPOWER5VAINL22NC5VMst+12VR376R377N195V-ATV4.7R/2W4.7R/2WLM78051VINVOUT25V-ATV9R201K+C817C114GNDC122+C73100uF/16V0.1uF0.1uF100uF/16V3R21100R3R242ON_PBACK-GPIO84ON_PBACK-GPIO841K1V7390425VMstXP122,75VMst+3.3AVDDMain_PWPANELPOWER5VAIN1R152L19FBV

2、CC-Panel4.7KR283+12VN51K4L21NCIRF7314VCC-Panel2R34R16PB-ON/OFF55VAIN1S1D182BRI_OUTBRI_OUTNC1KPB-ADJUST6C1327G1D170.68uF36S2D2R17R549+33V+12V8+C819R3844G2D252BRI_ADJ-PWM2BRI_ADJ-PWM24.7KV29C255NC/0R+33VL95NC9100uF/16V22K39042.2uFR956010R22C695VS1110K0.1uFPW

3、_ON/OFF-INV12Low:Enable135VS14R4422KHigh:DisableR35R504.7KV11NC/10KR319R2739045VS4.7K2ON_PANEL-GPIO83ON_PANEL-GPIO8310KV9XP143904R327Sub_PWC103R326100R7VCC-AU10.1uF4.7KVCC-AU2PWR-ON/OFF-GPIO82R32033KC22032PWR-ON/OFF-GPIO82R366NCR32933KV260.1uF6,7,9+12V4390

4、4+12V5PW_CTL1R322NC/33KV3063904C21570.1uF89+3.3VSTANDBYPOWER+3.3VNORMALPOWER4,5,75VAIN105VAIN1112335VAIN5VS5VMst13N27N38N28N25L104NC_FB/3AVCC-AUL99+12V4AP1084-3.3V4AP1084-3.3VNC/FB/3ATO-252TO-252L105NC/3AADJOUTADJOUTININADJINADJIN123+3.3VDD123+3.3AVDDNC/AM

5、S1117-3.3NC/AMS1117-3.312125VMst5VAIN+3.3VDD2,4+3.3AVDD2C332C336C320C782C196C178+1.26VFORMSTARICSTANDBYPOWERC334C21910uF/6.3V10uF/6.3V0.1uFC774C78010uF/6.3V10uF0.1uFC331C177L910uF/2.2uF10uF0.1uF10uF/2.2uF10uF0.1uF5VMstN5427uH/1.5AVDDCAP15134VCCLX521VDDC2R1

6、0100K2EN+C820C865R9083K3OCSET100uF/16V1nFR2R904C822612K_1%LX0.1uF7+C821C772C200DDR2PowerPGNDD1NC/470uF/16V2.2uF0.1uFB340AR9833.3VDDRR244R2452.7R/2WN52AP1084-AdjR320K_1%NC/20K_1%LowESRL87NC23DDR2_1V85VMstININ81AGNDFB5VAINL29FB+2OUT43DDR2_1V82,3Vo=0.8(1+R2/R

7、3)C870C775100uF/16V0.1uF11+ADJADJTO-252C824C776MSTCoreVoltageneedtoset1.26VN26NC/AMS1117-3.3100uF/16V0.1uFR2602.4K_1%R1R2C777R9052.2uF1K_1%Vout=Vrefx(1+(R2/R1))+IadjxR2=1.25x(1+(1k/2.4k))+55uAx1k=1.82VSUBPOWERSUPPLYOPTIONforCECStandbyFunctionM_SCLUSBPower4

8、M_SCL2,9IR_IN_250239M_SDA5VAINIR_IN_2502392M_SDA2,9KEYPAD-KEY05V_USBKEYPAD-KEY02KEYPAD-KEY1KEYPAD-KEY12HDMI-CECHDMI-CEC2,4L18FBADJOUTINU49+3V3SB_uPLED-ENLED-EN2C24+3V3SB_uPAMS1117-3.3AMP-MUTE2AMP-MUTE27100uF/