35
2.) No Backlight
Check F801 = 14.5V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check U801 PIN12=14.5V
NG
OK
Change Q802, Q804
Check U801 PIN10, 9 have the output of square wave at short time
NG
OK
Change U801
Check Q803, Q812 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q801, Q803, Q805, Q807, Q812, Q813
Check the output of PT801
Check connecter & lamp
OK
NG
Change PT801
Summary of Contents for X213H
Page 1: ...1 Acer X213H X223HQ Service Guide ...
Page 10: ...10 LCD Panel Specification General Specifications Block Diagram TFT LCD Module ...
Page 11: ...11 Back light Unit Electrical Characteristics ...
Page 12: ...12 Optical Specifications ...
Page 20: ...20 ...
Page 23: ...23 How to Adjust a Setting ...
Page 24: ...24 Adjusting the picture ...
Page 25: ...25 ...
Page 29: ...29 4 Remove the screws to remove the main board and power board 5 The panel ...