Question about Dell E173FP 17" LCD Monitor

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C5706 transistor DISPLAY

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Mark carlos

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SOURCE: After changing c5707/c5706 transistors its burnt

On E152fpb dell only replace all driver transistor the c5706 or c5707 this 2 types of transistor is not desame one is PNP & NPN so you must be careful of replacing component maybe it will help you

Posted on Jun 14, 2012

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The power button on my monitor flashes but will not trun on


There is a chance that you may have a couple bad capacitors on the power-inverter board but more than likely the problem will be a shorted out transistor. There are 4 on the inverter side of the board and one set may have gone bad. Capacitor problems may have caused the transistors to fail. Transistors are probably c5706 or c5707 and are black with 3 legs going though the board.
You would have to open it up to check and would need an ohm meter to verify if the transistors are shorted out.

Aug 18, 2010 | Dell 1703FPt 17" TFT LCD Flat Panel...

1 Answer

Screen goes blank after a second


More likely to be transistors.
http://s807.photobucket.com/albums/yy352/budm/Dell%20E153FPB/

Check the solder joints, fuse, transistors (c5706/5707), caps and look at other Dell albums also.
Replacement bd: www.lcdrepair.us

Apr 29, 2010 | Dell E153FP 15" LCD Monitor

3 Answers

After changing c5707/c5706 transistors its burnt after 10 minute? i have changed its 3 times, pls advise me about actual problem


On E152fpb dell only replace all driver transistor the c5706 or c5707 this 2 types of transistor is not desame one is PNP & NPN so you must be careful of replacing component maybe it will help you

Apr 26, 2010 | Dell E152FPb 15" TFT LCD Flat Panel...

1 Answer

My Dell monitor wont get out of the power saving mode. I unpluged and disconnected everything. Then pluged back. Still same problem.


It is more likely to be bad inverter cicuits due to shorted out transistors (four c5706/5707). The power light blinking?

Jan 23, 2010 | Dell E173FP 17" LCD Monitor

1 Answer

Monitor goes dark 2-3 sec after power up, green lite stays on


Look for shorted out transistors (four, c5706/5707) in the inverter backlight transformer driving circuits.

Jan 21, 2010 | Dell E153FP 15" LCD Monitor

2 Answers

Monitor is black and button blinks


First, check the 4 transistors (c5706/5707) in the inverter transformer driving circuits, then also look for bad caps. See example of failed monitors here: http://s807.photobucket.com/home/budm/allalbums

Jan 21, 2010 | Dell E176FP 17" LCD Monitor

1 Answer

No power indication screen dark


Check power supply for bad caps, check transistors (C5706/5707) for shorts in the inverter circuits.

Dec 17, 2009 | Dell E153FP 15" LCD Monitor

1 Answer

Moniter is stuck in sleep mode


Check for shorted out transistors (C5706/5707) in the inverter circuits.

Dec 17, 2009 | Dell E173FP 17" LCD Monitor

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