19” LCD Color Monitor
Lenovo L194 Wide
33
W / LED, No Backlight
Check Q801, Q804, Q811, Q812,
Q802, Q803
Check CN902 pin4, 5 = 12V
Check the adapter and F801
Check ON/OFF signal and the pin 12 of IC801 is 12V
Check main board or change ON/OFF signal
Check the pin5 of IC801 have saw tooth wave
Check Q802, Q803 PIN5, 6, 7, 8 have the
output of square wave at short time.
Check the output of T801, T802
Check connecter & lamp
OK
OK
NG
NG
Содержание L194 Wide
Страница 7: ...19 LCD Color Monitor Lenovo L194 Wide 7 OSD functions h t t p w w w w j e l n e t ...
Страница 8: ...19 LCD Color Monitor Lenovo L194 Wide 8 h t t p w w w w j e l n e t ...
Страница 12: ...19 LCD Color Monitor Lenovo L194 Wide 12 2 Backlight Units h t t p w w w w j e l n e t ...
Страница 24: ...19 LCD Color Monitor Lenovo L194 Wide 24 7 PCB Layout 7 1 Main Board 715G2698 3 h t t p w w w w j e l n e t ...
Страница 25: ...19 LCD Color Monitor Lenovo L194 Wide 25 7 2 Power Board 715G2538 1 h t t p w w w w j e l n e t ...
Страница 26: ...19 LCD Color Monitor Lenovo L194 Wide 26 h t t p w w w w j e l n e t ...
Страница 27: ...19 LCD Color Monitor Lenovo L194 Wide 27 7 3 Key Board h t t p w w w w j e l n e t ...
Страница 37: ...19 LCD Color Monitor Lenovo L194 Wide 37 10 Monitor Exploded View h t t p w w w w j e l n e t ...