Rockchip RK3288 - Page 72

RK3288 Hardware Design Guide
Fig 14-8
 Make sure LCDC_VDD has regular power supply, or HDMI will not display, as pin V20
shown in Fig 14-9;
Fig 14-9
 As shown in Fig 14-10, decoupling capacitor of each module power should be placed
close to chip pin
Fig 14-10