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Asus Z300C Troubleshooting Manual page 14

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Cadiz Issue Checklist
Check U1801及周邊零件是否有歪斜、空焊或損毀
Check SCL_CAD (R1862.1) & SDA_CAD (R1865.1) 準位是否為 1.8V
確認準位後,再用示波器確認波形是否正確
Check V_CADIZ_AVDD_1P2 (R1821.1) & V_CADIZ_DVDD_1P2 (R1822.2) 電壓是否為 1.2V,
如果沒有...
Check PU9302 置件是否有歪斜、空焊或損毀
Check PR9302.2 電壓是否為 1.8V
Check PR9306.2 準位是否為 High (1.8V)
Check V_CADIZ_DVDD_1P8 (PR9304.1) 電壓是否為 1.8V,如果沒有...
Check PU9301 置件是否有歪斜、空焊或損毀
Check PR9303.1 電壓是否等於 VSYS
Check PR9305.2 準位是否為 High (1.8V)
Check SYSCLK_CAD (R1845.2) 是否有量測到 19.2MHz,如果沒有...
Check R1845, U1802 置件是否有歪斜、空焊或損毀
Check V_CADIZ_DVDD_1P8 (C1801.1) 電壓是否為 1.8V
Check CDZ_OSC_EN (R1873.1) 準位是否為 High (1.8V)

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