
36
2.) No Backlight
Check if the input voltage of inverter part is 16V
NG
OK
Check adapter part
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 PIN12=14.5V
NG
OK
Check ON/OFF circuit
Check IC801 PIN5 have triangle wave
NG
OK
Change IC801
Check IC801 PIN9/PIN10 PWM wave
NG
OK
Check R816/R817/R818/R819
Check the output of PT801
Check connecter & lamp
OK
NG
Change PT801
Содержание X233HZ
Страница 1: ...1 Acer X233HZ X243HQ Service Guide...
Страница 11: ...11 Back light Unit Electrical Characteristics...
Страница 12: ...12 Optical Specifications...
Страница 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...
Страница 25: ...25...
Страница 26: ...26...
Страница 30: ...30 5 The panel...
Страница 42: ...42 Hinge A37G0110 1 USB BOARD USB7QK4...