LCM Issue Checklist
•
Check
CON1801
及周邊零件是否有歪斜、空焊或損毀
•
Check
LCM FFC
及本體是否異常
•
Panel
–
Check
V_VSYS_LCDTP
(R1872.1)
是否為
3.3V
–
Check
V_LCD_1P8
(R1867.1)
是否為
1.8V
•
Backlight
–
Check
V_LED
(PSR8902.2)
是否為
16.2 ~ 18V
(
有無對地短路?
)
–
Check
P_BL_SCL_5
(T8903)
和
P_BL_SDA_5
(T8904)
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
P_BL_PWM_5
(T8902)
在螢幕開啟後,電壓是否約為
0.7V
•
確認有電壓後,再用示波器確認
PWM
是否有正常輸出
Summary of Contents for Z300C
Page 1: ...ASUS Z300C CG Trouble Shooting Guide ...
Page 7: ......
Page 8: ...POWER ...
Page 11: ...LCM TOUCH PANEL ...
Page 19: ...CAMERA ...
Page 24: ...USB ...
Page 28: ...SENSOR ...
Page 33: ...AUDIO CODEC ...
Page 41: ...SIM CARD Only for Z300CG ...
Page 44: ...SD CARD ...
Page 47: ...EMMC ...
Page 50: ...CHARGER ...
Page 53: ...GAS GAUGE ...
Page 55: ...APPENDIX Points for Attention ...