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Asus Z300C Troubleshooting Manual page 17

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Touch Panel Issue Checklist
• Check CON1801及周邊零件是否有歪斜、空焊或損毀
• Check V_TP_1P8 (R1871.1) 是否為 1.8V
• Check I2C3_TP_SCL (R1859.1) & I2C3_TP_SDA (R1860.1) 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 TOUCH_INT_N (R1866.1) 在觸碰螢幕時,準位是否拉 Low

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