TLM32V68C(7)系列(1873板)主板电路原理图.pdf

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1、XP13+5V系统电源控制+12V5VSXS6XS312113R4334SWNC/475VS5VstbHOLLHOLL5BL-ON/OFFR394L8FB/32166BL-ADJUSTR3982.7KR399R4137STANDBY47NC/0RNC+5VXS4XS585VS3R439NCL9NC/3216119310C409V171R401PW_CTLV24R404HOLLHOLL11NC/0.1uF390410KPW_CTL31NCPM_CTLPM_CTL2,3加小CPU:L8/NC,L9/FB12STANDBY2不加小CPU:L8/FB,L9/NC13C410PW_CTL:2NC14SW

2、,STANDBY:0.1uFHIGHSTANDBYHIGHNORMALLOWNORMALLOWSTANDBYCON14加小CPU:R433/47R,R398/NC不加小CPU:R433/NC,R398/47R背光控制+5VR396R397+12V+5V5VSR395OPC:R437/1K,R406/R407/R408/V20/NCCA18CA22CA19不用OPC:R437/NC1K100uF/25V100uF/16V100uF/16VNC4.7KR403R400034.7KR40201V18BL-ON/OFF3V193904USB电源控制3ON_PBACKON_PBACKR405NC12NC

3、(3904)2R4434.7KL82NC/3216V20R4061KBL-ADJUST3VCC_USB5V+5VQ35+5V_USBPWM21R407IRLML64013PWM2R4084.7KC411L723239044.7uFNC/10KFB/3216CA231R282100uF/16VC4134.7kNC/0.1uFC4191uF/16V/0603BRI_OUTR437NC/1KBL-ADJUST3BRI_OUT3R285Q445VS2,3ON_USBON_USB4.7K139042R295NC/4.7KLVDS电源控制LED_CTLLED_CTL2,3VCC-Panel3Q45L71F

4、B/3216N59AO4459R_LED1+12V1S1D18NC/390427S2D22+5VR4093S3D36L73NC/3216R41145G2D4NC/10K10KC4141uF小MCU电路5VSC4150.1uFR41010K3+3.3V_KEYR432R4124.7K1V21303904C427R287R283R286C4123ON_PANELON_PANELR43112NC/4.7kNC/4.7kNC/4.7kNC/0.1uFR288R289R2904.7KV22NC/4.7kNC/4.7kNC/4.7kC416NC/390420.1uFNC/10uFR307N10NC/1M8

5、1NC/2N70021GNDVCC2,3KEY-INKEY-INNC/100R2967GP0GP52SWQ23R_LEDNC/100R29263NC/0R306STANDBYGP1GP42,3IR-in_USBIR-in_USBNC/100R2935GP2GP34NC/4.7KR29432POWER-KEYPOWER-KEY2,3NC/PIC12F629NC/0RR308GND1、液晶屏供电选择控制、背光亮度开关及亮度调整、USB和LVDS电源控制、小CPU部分电路STB3.3VFOR6E16MAIN3.3VFOR6E16DDR2.6VN61N844NC/AMS1117-3.3AMS1117-

6、ADJ4+3.3VstbforU52.6VforMST6M161084-3.3VDDP_PMADJOUTADJOUTINandDDRAMIN+3.3VSBL89R74NC/1608200123123+3.3AVDD+3.3VstbADJOUTINL75NC/1608FB/1608+2.6VM5VS+3.3VstbL765VstbVDDP_PML77NC/1608L85L13FB/1608+5V+5VNC/1608123L74C423C424C425C426+3.3VSBC384R73C374C24C25CA94NC/0.1uFNC/10uF0.1uF10uF2.2uF2202.2uF0.1uF

7、0.1uF10uFFB/3216C422C420C421+C417C418C429C428FORuseDDR,+2.6VMmustbe2.6V10uFNC/0.1uFNC/10uF0.1uF220uF/16VFORuseSDRAM,+2.6VMmustbe3.3V0.1uF10uF+3.3AVDDfor+3.3AVDDAVDD_MemPLLFB/1608L90+3.3AVDDAVDD_MemPLL