AOC LM 720 17" Flat Panel LCD Monitor Logo

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Posted on Feb 28, 2018
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Hello i am struggling to open my AOC 720A Monitor to clean out some tiny dead flies that have somehow got inside the screen, i have remove four screws and unclipped it all round but is still held by something near the region of the stand, any clues would be most appreciated cheers sub

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Larry Ng

Larry Ng

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  • AOC Master 14,606 Answers
  • Posted on May 13, 2022
Larry Ng
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EWWWWWWWW, I'M STICK, I don't want know that.
the maker does no sell or give way service manuals.
so learn to google or youtube examples of dismantle.

5 Related Answers

Atiq

  • 257 Answers
  • Posted on Mar 18, 2008

SOURCE: AOC color monitor model 9g1rs, dead, ** volt, fuse good

Hi
You need to replace HOT(Horizontal Output Transistor) see number carefully before you replace it.
Thanksdb1ed6d.gif

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A

Anonymous

  • Posted on Jul 17, 2008

SOURCE: AOC LM729 17" LCD Monitor

Well I just resoldered both coils, and it Worked!!! I was about to throw away the monitor, but luckily found this page!
Thank You!

Anonymous

  • 1 Answer
  • Posted on Dec 19, 2008

SOURCE: AOC 53N PROBLEM

DO YOU KNOW HOW TO SOLDER. IF SO, TRY TO OPEN THE MONITR AND LOCATE THE VERTICAL SECTION AND YOU WILL FIND LOOSE SOLDERS. A SINGLE HORIZONTAL LINE MEANS THAT THERE IS A PROBLEM WITH THE VERTICAL LINEARITY OF YOUR MONITOR. FIND SOMEONE WHO KNOWS HOW TO FIX COLD SOLDERS

Anonymous

  • 3 Answers
  • Posted on Aug 30, 2009

SOURCE: no power dead set 5en aoc monitor

just try to change the horizontal transistor C5386 or CXXXX... with a new one....

Anonymous

  • 2 Answers
  • Posted on Dec 02, 2009

SOURCE: no display after 3 secs.

The problem is due to short of two transistors on the PS Board near the high voltage transformer (Q209,Q210 or Q211,Q212 - 2sc5706).

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Related Questions:

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1answer

Which components need to be replaced when horizontal lines appear?
What horizontal lines do you mean? I can think of several.

- You could have a line of dead pixels on your monitor, this would probably be caused by wear and tear of the monitor, or because it has been handled the wrong way.

- You could be experiencing 'screen tearing'. This is caused by your videocard struggling for a moment.

- If you're running an older, analog monitor, it could be because the cable you're using is getting older and needs to be replaced.
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Mar 05, 2016 • AOC CT720G 17" CRT Monitor
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Displays for a second, then black screens?
old monitors all made before mid year 2010
are all CCFL backlamps and most died 5 year old
10/hr. per day and EOL hits..end of life.
the problems is not the cure we well know the problem is econ101
spending $200 to fix a $20 dead (sold for parts0 monitor is bad econ.
see page 5, here

https://www.manualslib.com/manual/798783/Aoc-Aoc-917sw.html?page=5&term=inverter&selected=1#manual

CCFL *****
this what they all did long ago, if actually used heavy
  1. CCF go dim
  2. go intermittent. (PURE RANDOM) 'Ionization is tricky""
  3. goES dead
  4. goed dead only hot or cold (yours fails warm)
  5. goes yellow tinged for pure white.
  6. IF 2 TUBE BANK OR UTUBES, 1/2 GOES DEAD.
RIP one more of millions now dead, most are, unless hanger queened (nos) or was in sleep mode most of itS life,
at 20k hours of real use they die. (MEANS GLOWING)
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Dec 05, 2017 • AOC 917Sw 19" LCD Monitor
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Hello, i have a Aoc 2434pw monitor that just lost all its power, it was on overnight as usuall (online business so my pc never shuts down), but i woke up to find that all power to the monitor was not...
Many flat screen monitors were manufactured with faulty capacitors.
See if you can open the monitor and examine the power supply for any "domed" capacitors. The top of the capacitor should be flat, but if pressure has built up inside, they become domed, indicating that they have failed.
Replace any of them that you see to be damaged and there is a good chance that the monitor will work again.
It has been a problem with quite a number of monitors. The electrolyte inside the capacitors was cheaper and just doesn't hold up.
Good luck
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Mar 19, 2011 • Computers & Internet
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Aoc monitor shut off by itself
If the screen just goes black, more likely to be the problem inside the monitor, if you decide to DIY repair, please read below and go to my pictures so you will get some ideas what to look for inside.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 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://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague
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Apr 19, 2010 • AOC LCD Monitor
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I first got my Flatron 1715S monitor about three years ago, for the first two years it was replaced due to multiple flies getting behind the screen surface. For the past two years i've just accepted the...
Get a technician to clean them out for you, for safety reasons. it is possible - by the way - to clean flies from the LCD except the fact that you must know how to handle such components as a LCD screen disassembled.
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May 20, 2017 • LG Flatron L1715S 17" LCD Monitor
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White horizontal line across screen
Hi,

Upgrade the refresh rate to 100 Hz and downgrade resolution
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Jun 23, 2009 • AOC CT720G 17" CRT Monitor
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I have a AOC flat screen monitor and it got wet and it will turn on for a few seconds but the screen is blurry and looks wet itself , is there anyway to fix this ?
hello my friend, try to blower your monitor. Open it and see if inside of the monitor is not wet cause if it is wet then it could cause some short circuit problem so the best thing to do is to let the monitor check if it is wet and dry it up before turning on
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Jun 16, 2009 • Rosewill R900J 19" Flat Panel LCD Monitor
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AOC 17" Flat Monitor (silver)
Hello all.I had 2 AOC monitors with this kind of problem also and figured out the problem with this kind of monitor. All you have to do is to unscrew the monitor and get the control control switch buttons on its circuit board. There are four switch button that control the monitor with four pins each that attaches to the circuit board of AOC, another option is to replace the switch button with a brand new  control switch button which can be bought to your local electronic shop. Now i had no problem with my AOC monitor because i literally removed those switch control buttons from its circuit board.
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Mar 03, 2008 • AOC CT720G 17" CRT Monitor
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AOC LM729 17" LCD Monitor - Manuel
I assume you only found the 4 mount screws in the back... You also need to take off the front silver edging - it pops off with some negotiating, but if you find the right spots and don't pry hard it will come off clean without too much difficulty. Then take out the screws that hold the screen inside and it should drop out.
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Jan 26, 2008 • AOC LM729 17" LCD Monitor
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Dell 1703 FPi 17" TFT LCD Flat Panel
you have snap frame around the screen itself use flat screw driver fine edge, theres about four locations that snap into slots work them away and remove frame, then remove screws on back will seperate ,you will have to remove monitor button panel board to, once inside, four screws around screen itself once in side,this will lead you to power connection inside main screen frame, the board and the connections
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LM 720 17" Flat Panel LCD Monitor

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  • AOC CT720G 17" CRT Monitor

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