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15" LCD Color Monitor
Dell E157FPc
45
9.2.2 Inverter/Power Board
No Power
Check to CN701 Pin2=12V
Check Interface board
Check AC line volt 110V or 220V
OK
NG
OK
Check AC line
Check the voltage of C904(+)
Check F901, bridge rectified circuit
Check start voltage for the pin8 of IC901
Check R903, R904, IC901
Check the auxiliary voltage is between 10V-16V
1) Check IC902, IC903
2) Check Q902, Q903 OVP circuit
NG
OK
Check D921, D922
OK
OK
NG
NG
NG
Summary of Contents for E157FPc
Page 19: ...15 LCD Color Monitor Dell E157FPc 19 5 Block Diagram 5 1 Monitor Exploded View ...
Page 23: ...15 LCD Color Monitor Dell E157FPc 23 5 3 2 Inverter Power Board ...
Page 36: ...15 LCD Color Monitor Dell E157FPc 36 8 PCB Layout 8 1 Main Board ...
Page 37: ...15 LCD Color Monitor Dell E157FPc 37 ...
Page 38: ...15 LCD Color Monitor Dell E157FPc 38 8 2 Power Board ...
Page 39: ...15 LCD Color Monitor Dell E157FPc 39 ...
Page 40: ...15 LCD Color Monitor Dell E157FPc 40 8 3 Key Board ...
Page 54: ...15 LCD Color Monitor Dell E157FPc 54 2 Select Commands Batch ...