Question about Dell UltraSharp 1701FP 17" LCD Monitor

Dell 1701FP monitor - power buttons blinking - no display - no white screen

Hi guys, I just got a free lcd panel from a friend who broke it recently. Its been dropped and the screen is cracked, but when I plug it into my laptop as a secondary monitor, I don't see anything on the broken lcd panel. The power buttons just kinda blink randomly - green for the power and amber of the brightness contrast buttons. I am pretty good at experimenting with electronics, so I did open the case up, and found out that the inverter is dead. For this reason, I have another inverter borrowed from a CCFL kit, and I found out that the tubes to burn, and you can see the white glow. But now that the screen glows, and I have the controller board hooked to my laptop as a secondary, when the board is powered up, I still don't see any image, and the LED's on the power button controller just blink randomly. Anyone got a remedy or solution for this?

1 more comment
Anonymous Mar 14, 2008

My dell LCD monitor screen is just blinking(power light) can I get help just for troubleshooting from anyone on line?
rbingaman Nov 01, 2008

I have the exact same issue. No one on the Web seems to have an answer besides buy a new monitor. Bummer.
jspagnol Mar 14, 2009

Hello, I have the same issue as joel joely. The monitor I have is the Dell 1701FP (black) and it was donated to me. It worked fine for about 6 months and then started acting as if it were going into sleep mode but I could not get it to come out of sleep mode by moving the mouse or pressing keys on the keyboard. The green light stayed on but the further right light turned amber AND the power button would not turn it off. Although it is not a fix, my work around was to unplug it and plug it back in after a few seconds and VIOLA the screen came back on and I could see my desktop again. I'm still researching what causes this and if there is any permanent fix.

2 Answers

Roan

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29 Answers

Solution to a blinking orange power light indicator.

Checking procedures.

1. Check the fuse on the inverter board labeled F1. If it is opened then your inverter board has a problem. That's why the fuse is opened.

2. Remove the white wide cable connecting the main board and inverter board. Next plug the D-sub cable and power adapter and test. If the 2 green light indicators are solid green then your problem is positively coming from your inverter board.

Solution in fixing the inverter board:

In my case, the fuse was opened. So I first resoldered all the legs of the 4 transformers. Eight legs each transformer. Resoldered also the capacitor at the back of the inverter board. Checked the 2 diodes labeled (D3 and D13). One of them was shorted. So replaced it using Radioshack 3A 400piv. It is quite bigger in value but I just want to make sure it can handle the load of current.

Tip in checking a diode, it should always open using a digital tester.

That's it. re-assemble then test it again.

Roan
Triangle Tech Whiz

Posted on Jul 13, 2009

Roan Jul 13, 2009

I forgot to mention on how to fix the fuse.

3 ways:

1. The cheapest is to use 3 fine strand of wires and twist them, then solder them on top of the fuse.

2. Use a car fuse ( low amperes).

3. Buy a replacement fuse from Radioshack or any electronic stores. Solder it.

Roan

Anonymous

Hi my name is joel joely from etech vanuatu limited. my dell LCD monitor is just blinking power light on with orange light and also power switch not working if turn it on or off no display on screen.

my email address is [email protected]

thanks

joel

Posted on Sep 11, 2008

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White screen

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I have lost the original power supply for my dell 1701fp monitor. I have a power supply that I think may work as a substitute until I can replace the original. I need to know, what the acceptable voltage...

What ever you use, it must be REGULATED power supply that will maintain 14vdc output, rating at 3A. These regulated power supply can easily maintain the output voltage within +/- 5% with input AC voltage range from 100~240vac.
Linear regulator power supply may not work since it has slow response time to regulate the voltage.

http://www.amazon.com/dp/B002D1E8NE/ref=asc_df_B002D1E8NE1376531?smid=A3IZHOEADOGAP0&tag=dealtmp386264-20&linkCode=asn&creative=395105&creativeASIN=B002D1E8NE

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

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My LCD monitor is blinking green but no display is coming, some days back after blinking 15-20 minute display comes. But now display not come

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Post back what you see inside so we can guide you further.

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If you can get inside the frame of the monitor, and disassemble, you can find the caps by seeing a bulge on top, or even a rusty looking material on the top. Be VERY careful around the high voltage section if you do go inside.

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http://en.wikipedia.org/wiki/Capacitor_plague

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Dell 1701FP monitor - power buttons blinking - no display - no white screen

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