19" LCD Color Monitor
Dell E1909Wc
49
No Backlight
Check CN902 pin4.=4
,
5 = 12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 PIN12=14V
NG
OK
Change Q802, Q803
Check IC801 PIN10, 9 have the output of square wave at short time
NG
OK
Change IC801
Check Q803,Q802 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q802, Q803,Q801, Q804, Q811 ,Q812,
Check the output of T801,T802
Check connecter & lamp
OK
NG
Change T801,T802
Summary of Contents for E1909Wc
Page 22: ...19 LCD Color Monitor Dell E1909Wc 22 ...
Page 23: ...19 LCD Color Monitor Dell E1909Wc 23 4 5 2 Appearance inspection specification ...
Page 24: ...19 LCD Color Monitor Dell E1909Wc 24 4 5 3 Outside dimension specification ...
Page 33: ...19 LCD Color Monitor Dell E1909Wc 33 The panel ...
Page 41: ...19 LCD Color Monitor Dell E1909Wc 41 8 PCB Layout 8 1 Main Board ...
Page 42: ...19 LCD Color Monitor Dell E1909Wc 42 ...
Page 43: ...19 LCD Color Monitor Dell E1909Wc 43 8 2 Power Board ...
Page 44: ...19 LCD Color Monitor Dell E1909Wc 44 8 3 Key Board ...
Page 57: ...19 LCD Color Monitor Dell E1909Wc 57 12 Exploded View E ...