Question about Dell E173FP 17" LCD Monitor

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My monitor was just blinking folowing the thunderstom some days back and I tried to replace some 4 capacitors coded C5707,and it comes on but abnormal display and then the replaced transistors burn out after switching it on and off.What can I do?

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At this point you may be better off to replace the whole board, the four C5707 are transistors, not capacitor. You need to make sure that there are no cold solder joints around inverter transformers lead, check the tuning caps in the inverter output sections.
Replacement board: http://www.lcdrepair.us

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Oct 12, 2010

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1 Answer

Monitor won't come on. it blinks with a light and then goes off.


You have shorted transistors (c5707) in the inverter circuits, also need to check for poor solder joints and the tuning caps in the inverter transformers driving section.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed DELL monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Replacement bd. www.lcdrepair.us
Service manuals: http://elektrotanya.com/?q=showresult&megnev=dell&megnev2=%20e173fp&kategoria=&kat2=all

May 29, 2010 | Dell E173FP 17" LCD Flat Panel Monitor

2 Answers

Display not available after a few second....i already replaced tl1451acn inverter ic, back light , , ballast capacitor (replaced)...the only one not replaced yet is high voltage transformer (4 pcs), 2...


Replace the high voltage transformer. It is the ballast for the backlight.. If you could pinpoint the one that's overheating then that is the one that needs replacement. Much better if you will replace the four transformer...


Hope that answer your question..
Much appreciated if you could rate this help. thanks.

May 21, 2010 | Dell E176FPB 17" TFT LCD Flat Panel...

1 Answer

The monitor fails to power up. green power button light flashes, theres a slight fizz when you turn it on and off. looks like the capacitors have leaked as they have expanded further than the normal shell...


First what kind of monitor and model.
Second, don't use the monitor if you can hear and or see problems, have the unit repaired or replaced.
The caps are easy enough to replace if you have the savy.... With no model number I can't tell what kind of unit you have but if you mean C5707 and not C707, you have a Dell or BenQ monitor.
The C5707 is a 8 amp NPN transistor.
I have removed and replaced about 20 sets and used a TIP3055 which is a 10 amp rated.
You should have 4 to be replaced.
You also may have to watch what size the caps are, as if too long, they will hit the shield.
Good luck.

Sep 04, 2009 | Computers & Internet

2 Answers

Fade light


That is either a defective controller board or a faulty LCD controller board.

Parts must be tested before replacement.

May 21, 2009 | Dell E173FP 17" LCD Monitor

3 Answers

Hi its about a monitor


See if you can change the video cable and get the same problem. Make sure it is plugged in securely (both video and power cords).

If same thing happens with a different cable try a different monitor. Maybe if you don't already have another one, someone you know can let you use theirs for a day.

If neither option works, it's probably your video card. If changing the monitor works then it's probably your monitor either going bad or try reinstalling the video driver on your computer.

Let me know if anything works, I hope this helps

Nov 27, 2008 | Dell E173FP 17" LCD Monitor

1 Answer

LED's blinking, no video


Your C5707 transistors in the monitor have failed. Suggest replacing all four with the Sanyo C5707 transistor. A common problem.

Dec 10, 2007 | Dell E173FP 17" LCD Monitor

5 Answers

Monitor Blinking


hello guys

I had the same problem. My LCD ViewSonic VX 924 has been blinking

For repar it i changed the following capacitors : 100uF/400v
330uF/25v and 330uF/35v

if that always flickers you can also change the two 470uF/25v capacitors
The link for a pic Alime and Capacitors
http://img25.imageshack.us/my.php?image=alimefsp0351pi01.jpg

DO NOT TOUCH NOTHING D'OTHERS ANS DISCONNECT ELECTRICITY CABLE BEFORE PROCEEDING

Apr 08, 2007 | ViewSonic VX924 19" LCD Monitor

6 Answers

Dell Blinking Power Light


Just wanted to say Thank You for the info on this site. I had the same problem as previously posted. When powered up, the monitor showed a fast flash of the desktop and then went black, with the power indicator flashing green. I read the posts, purchased the capacitors and the 4 - 2sc5707 transistors through ebay. I ordered them on the 6th and rec'd them today. I only had one bad capacitor and one transistor that checked bad, but I ordered 5 caps and 4 transistors. When ordering the caps be careful of the height of the caps. I found this to be a problem because I ordered the 50v, 105 degree Panasonic caps that didn't fit with the enclosure attached, so I used the 4 good caps removed previously and replaced the bad one with a 470uf, 50v. 85 degree cap from Rubycon I found among my spare parts. Installed the parts and the monitor is working properly (for the last two hours) so I'm happy for as long as the repair lasts. Thanks again for the info.

Dec 05, 2006 | Dell E173FP 17" LCD Monitor

10 Answers

BenQ FP731 Screen briefly displays then turns off


hi. i had the same problem and fixed it. the problem are the 4 transistors (C5707) one of more are shorted (Q739,Q740 and Q759, Q760). Also the fuse PF751 (3a) has to be replaced in most cases. In my case i replaced the fuse and 1 transistor (C5707)

Dec 06, 2006 | BenQ FP731 17" LCD Monitor

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