请教个问题

/storage/emulated/0/Camera/IMG_BLOG154709.JPEG

/storage/emulated/0/Camera/IMG_BLOG154709154733.JPEG
音响的线路板，5V电源正常到IC模块4558和2399/storage/emulated/0/Camera/IMG_BLOG154709154733155137.JPEG
，四列IC查不到型号：AC1602D88932.面板没显示