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Question about Dell E173FP 17" LCD Monitor

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No power in dell e173fpf

Hello i have a problem with my dell e173fpf. no power , no led . i found that D854 (dual diode ) was shorted . replaced it with another kind of dual diode . it was ok and the monitors goes on . but i wanted to try again if without soldering the dual diode the led goes on or no . so i found that without it the monitor doesn't go on . so i resold it on the board but now it doesn't go on .i don't understand what happed . did the fact of powering it without diode had destroy another component ?

Posted by riadh tebib on

  • riadh tebib Feb 21, 2007

    helo tim!
    it was the first thing i did ! but the problem is the same ! i think powering it without diode have destroyed another component but i did't foun which

  • rlee2007 Nov 06, 2007


    I have the same Dell E173Fpf with the same problem. no power LED does not indicating. i checked the power supply board nothing looks buring. fuse ok .. where should I start checking



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I would expect the same (new) part failed. Try another dual diode otherwise you may be chasing the problem around the board.. Good Luck, Tim

Posted on Feb 21, 2007


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Related Questions:


E173FPf.10-10,on the Dell monitor board a diode No. D854I have a schematic that shows at 10amps,but how do I find the voltage so as I can order a new diode,this doesnt show up on the diagram,thanks for...

I have one of those boards at my shop that I can look and get the information for you. What type of problem are you having with the unit? Diodes rarely go out. Email me at [email protected] and I will get the information for you.

My Drink-O-Matic DR-3 power supply HYS68-12-50 crackles and led light flickers. The machine does not cool. It was a gift and worked about 6 to 9 months.

I have the same machine, my power supply was humming and the light completely went out. I took it apart and tested the dual package diode and found one the of the diodes went bad. I un soldered it and cross referenced it with a different part replaced it and now it works

Service manual dell e173fpf

Try here:

Most E152/153.172/173 have same problem, poor solder joints, blown fuse, shorted transistors.

Replacement bd:
Hope it helps. Please post back.

Tv won't turn on

yes but you have to open the tv



Initially, pls check D854 on the Power Supply/Logic board. It is a dual diode. If you would prefer board replacement rather than component level repair, this might be of help. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

This is of course in addition to checking the usual, power cord, fuse, outlet etc.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Dell Monitor repairing trobleshoot

check the circuit of secondary line 1st check the all dioed must be shorted. then replace the horizontal transiistor out put.

Dell E173FPf lcd- no picture,steady green light

E173FPf Mfg December 2004
This E173FPF has changed much inside from the November 2003 E172fpb which had the famous 4 identical transistors 5707 that would tend to fail in pairs. If your newer E173FPF displays a green power light and fails to display a picture try replacing the 220uf25v capacitors at C6 and C26. Test them with a volt ohm meter and they will test Ok, replace them anyway. Radio Shack did not have the 25v so I used the 35v, display works fine now. There is an E173FPF repair kit with directions available on Ebay if you don't have a parts store in your area and would prefer delivery.

i'm not an expert at anything...x'cept maybe dumpster diving. God Bless

Won't turn on

Could be a power supply issue. Maybe it's not getting enough voltage from the power supply unit. Could also be some bad solder points on the circuit board, or maybe a burnt capaciter.
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