Dell 1907FPc
58
No Backlight
Check C811=12V
Check ON/OFF signal
Check IC801 PIN2=5V+-0.25V
Check IC801 PIN10=5V
Check adapter
Check Interface board
NG
Check Q801,Q802,Q813,ZD801 circuit
NG
NG
Check IC801 PIN13 triangular wave
is normal
Check Q801,Q802,Q813,ZD801 circuit
Check R817,C810,IC801
Check Q805, Q806, PT801, PT802
NG
NG
OK
OK
OK
OK
OK
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Summary of Contents for 1907FPc
Page 23: ...Dell 1907FPc 23 4 4 2 Optical Characteristics For LTM190EX L01 panel www ma163 com 电子技术资料网 ...
Page 24: ...Dell 1907FPc 24 For LM190E03 TLB4 panel www ma163 com 电子技术资料网 ...
Page 25: ...Dell 1907FPc 25 5 Block Diagram 5 1 Monitor Exploded View www ma163 com 电子技术资料网 ...
Page 26: ...Dell 1907FPc 26 www ma163 com 电子技术资料网 ...
Page 30: ...Dell 1907FPc 30 5 3 2 Inverter Power Board www ma163 com 电子技术资料网 ...
Page 40: ...Dell 1907FPc 40 7 PCB Layout 7 1 Main Board www ma163 com 电子技术资料网 ...
Page 41: ...Dell 1907FPc 41 7 2 Inverter Power Board www ma163 com 电子技术资料网 ...
Page 42: ...Dell 1907FPc 42 www ma163 com 电子技术资料网 ...
Page 43: ...Dell 1907FPc 43 7 3 USB Board 715G1666 E 715G1665 A 2 7 4 Key Board www ma163 com 电子技术资料网 ...
Page 109: ...Dell 1907FPc 109 www ma163 com 电子技术资料网 ...
Page 110: ...Dell 1907FPc 110 www ma163 com 电子技术资料网 ...
Page 111: ...Dell 1907FPc 111 Type 4 750GLS90X2111Z LTM190EX L21 www ma163 com 电子技术资料网 ...