Question about Kogi l7eh-ta ko 17" Flat Panel LCD Monitor

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Lost power supply in moving. What is the voltage requirement

I need to seek out an alternate power supply but I do not have the old one and do not have any of the original paper work. Can someone look on their power supply and tell me any specs that show up on the power supply adapter. Might be able to find a replacement at Radio Shack.

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It's 12-volt 4-amp. I don't think Radio Shack carries anything with that heavy an amperage rating, and going lower on the amperage is a fire hazard. Also, it's positive-tip polarity, although I can't tell the tip size just by looking at it. You'll need a universal with some adapters. Again, I think their adapters cap out at 1200mA (1.2 amps) and won't be enough.

I only know this because mine suddenly won't power on, so I was just looking at it. I'm really ********** because my computer's been in the shop for months, I finally get it back, and no power to the monitor.

Posted on Feb 03, 2009

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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.

Jan 06, 2011 | Dell UltraSharp 1701FP 17" LCD Monitor

1 Answer

My aoc monitor 2216sw shut down after three seconds on


It sounds defective. When the high voltage power units stop working; you will experience this type of problem. I would call AOC and see if the monitor is under warranty. Otherwise, seek an alternative monitor to use.

Jan 06, 2011 | AOC 2216SW Monitor

1 Answer

When computer is turned on monitor flicks on and off . i then have to turn it on and off and eventually after about 10 minutes the monitor stays on


This could be more than one issue, but the first I would approach would be the power supply for the monitor. I'm assuming the monitor you're referring to is an LCD with a separate power supply. If the power supply is failing, it would cause this sort of problem. Check your monitor's documentation to see how many volts are required, and then use a multimeter to check the output voltage of your power supply. If it isn't steady, or if it's below spec, you need another power supply.

It could also be the connector cable from the screen to the computer, but if the cable isn't being moved around I would not expect that to be the issue.

Hope that's helpful.

Jan 01, 2011 | AOC Monitor

2 Answers

I need a replacement power supply and cable and I don't know what the part number or name of a compatable power supply would be. What do I order or where do I look for this without spending a ton of money?...


You can purchase replacement LCD monitor power supplies in numerous places, for example on eBay or in online shops. You can ask a seller to assist you in selecting a proper one.
The most popular specs for such monitor supply would be 12V and a minimum of 5A current rating; the higher current rating on the PS the better, you will have more reserve.

Jul 24, 2010 | Hyundai ImageQuest B90A 19" LCD Monitor

2 Answers

I need to know if there is still some were to purchase and Ac Adapter for a Balance LCD Monitor CM2019?????????


All you need to know is:
- The output voltage (usually 12V)
- The rated output current (usually above 5A)
- The plug polarity (usually plus on the inside)
Then just purchase any replacement AC adapter that has the same voltage, same plug polarity and rated current preferrably more (at least 120%) of the original.
That's it.
You can buy them online, for example at http://www.12vadapters.com/

Dec 24, 2009 | Balance CM2019 19" LCD Monitor

1 Answer

Viewsonic VA712b lost Power Supply need voltage & current


davsmith00, Did you look on rear of VA712B where the power plug enters the power JACK connector? Maybe it will only tell you who is positive and who is negative (gnd) some monitors state what is the required V & I for them on the rear labels somewhere. This will teach you not to lose your supply. Did the dog hide it under the bed? Good luck finding a replacement. There are sources on web that specialize in drop-in replacement IN-LINE switch-mode-power-supply Bricks. You can also try newark.com and mouser.com and digikey.com to see if they have something. I'm louie12fix on fixya or lmistyrel@ aim.com Bye for now.

May 05, 2009 | ViewSonic VA712B 17" Flat Panel LCD...

1 Answer

Need to get a new power supply for my samsung monitor


you first look the watt on the power supply and if same watt power supply is available then connect because power supply has overload protection it will not work also look the connecter is matching if not then purchase only original power supply dont chase the duplicate it will consume more money

Nov 20, 2008 | Computer Monitors

1 Answer

Horizontal lines moving vertically from bottom to top of monitor screen


Hi,

Your post/description indicates a likely AC hum riding on the video signal. This cold be caused by:
  • loose cable/connector;
  • faulty capacitor on the unit's power supply regulator circuitry;
  • electrical intereference which could be caused by external drives, subwoofers, electronic ballasts of some lamps, any electrical/electronic devices physically near the monitor.
The 2nd possibility would mean that the unit has toi be opened. 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

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.

Sep 23, 2008 | Computer Monitors

1 Answer

Power supply


you may try to use a universal power supply adapter by APC! check with ACER web page for the your acer monitor voltage and amperes!

May 31, 2008 | Acer Computer Monitors

1 Answer

Got flat screen as a gift


This monitor requires a power supply with a POSITIVE tip polarity.
Monitor requires 12 Volt DC @ 3.3 Amps output.
Make sure voltage is 12 Volts DC [absolute requirement]

Power Supply can have greater than 3.3 Amp capacity. More amp capacity increases price, so I wouldn't go for more than 5 Amps [minimum 3300 milliAmps, 5000 milliAmps will be more than adequate].

Put a surge protector on your computer and monitor to extend their life....better yet, a power conditioning battery backup system, that can supply constant voltage, to compensate line voltage when A/C, furnace, or other major appliance kicks on.

May 04, 2008 | SVA-USA VR 17S 17" Flat Panel LCD Monitor

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