
19" LCD Color Monitor ASUS VB191T&S
46
2.) W / LED, No Backlight
Check CN902 pin4, 5 = 12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 PIN12=12V
NG
OK
Change Q808
Check IC801 PIN10, 9 have the output of square wave at short
NG
OK
Change IC801
Check Q802, Q803 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q801, Q804, Q811, Q812, Q802, Q803
Check the output of T801, T802
Check connecter & lamp
OK
NG
Change T801, T802
Summary of Contents for VB191S
Page 7: ...19 LCD Color Monitor ASUS VB191T S 7 3 2 2 Key Function 3 3 OSD Menu 3 3 1 How to Reconfigure ...
Page 8: ...19 LCD Color Monitor ASUS VB191T S 8 3 3 2 OSD Function Introduction ...
Page 9: ...19 LCD Color Monitor ASUS VB191T S 9 ...
Page 10: ...19 LCD Color Monitor ASUS VB191T S 10 ...
Page 13: ...19 LCD Color Monitor ASUS VB191T S 13 4 3 Factory Preset Display Modes ...
Page 15: ...19 LCD Color Monitor ASUS VB191T S 15 4 4 3 Optical Characteristics ...
Page 16: ...19 LCD Color Monitor ASUS VB191T S 16 4 4 4 Electrical Characteristics 1 TFT LCD 2 Backlight ...
Page 34: ...19 LCD Color Monitor ASUS VB191T S 34 7 PCB Layout 7 1 Main Board 715G2571 1 2 ...
Page 35: ...19 LCD Color Monitor ASUS VB191T S 35 ...
Page 36: ...19 LCD Color Monitor ASUS VB191T S 36 ...
Page 37: ...19 LCD Color Monitor ASUS VB191T S 37 7 2 Power Board 715G2538 1 ...
Page 38: ...19 LCD Color Monitor ASUS VB191T S 38 ...
Page 39: ...19 LCD Color Monitor ASUS VB191T S 39 7 3 Audio Board 715G2098 1ASU ...
Page 40: ...19 LCD Color Monitor ASUS VB191T S 40 7 4 Key Board 715G2546 1 ...
Page 50: ...19 LCD Color Monitor ASUS VB191T S 50 10 Monitor Exploded View ...