Lenovo S660 Service Manual page 25

BB-9 Camera can not turn on (無法攝像) (4/4)
VREF/HREF: Sensor垂直/水平參考信號
Sensor reference of horizon and vertical
MCLK: 來自CPU的主時鐘輸出
Main clock from CPU
PCLK: 象數時鐘輸入
Clock input from image-numerology
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