19" LCD Color Monitor
Lenovo L197 Wide
34
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 PIN10, 9 have the output of square wave at short time
Check Q802 PIN5, 6, 7, 8 have the output of square wave at short time.
Check Q801, Q804, Q811, Q812 and Q802
Check connecter & lamp
NG
Change T801
Summary of Contents for ThinkVision L197 Wide
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Page 28: ...19 LCD Color Monitor Lenovo L197 Wide 28 7 3 Key Board 715G2762 3 h t t p w w w w j e l n e t ...