19” LCD Color Monitor
Lenovo L194 Wide
32
8.2.2 Power/Inverter Board
No power
Check bridge rectified circuit and F901 circut
2) Check R909/D901/C908 and OVP circuit
Check CN902 pin4, 5 = 12V
Check start voltage for the pin8 of IC901
Check R904, R932, R933, and Change IC901
Check the auxiliary voltage is bigger than
Check Q902/D906/IC903/ZD921/ZD922
NG
OK
Check AC line volt 110V or 220V
Summary of Contents for L194 Wide
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Page 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 ...
Page 26: ...19 LCD Color Monitor Lenovo L194 Wide 26 h t t p w w w w j e l n e t ...
Page 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 ...
Page 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 ...