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AOC Monitor cct board model# 197S-1

AOC Monitor faulty model# 197S-1 circuit board needed Serial No 99178CA001140

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Your monitor maybe crashed.

Posted on May 02, 2010


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My AOC monitor model E67171 won't stay on

Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
Disassemble procedure to many brand TVs, Monitors and other devices are given with illustrations.

Oct 17, 2014 | AOC Computers & Internet

2 Answers

AOC 2036sa 20 Inch Monitor Tft Lcd red power led blinking

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them they might be faulty make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electical extensions

even something as small as an electrical fan and its lead can cause this problem or just replace them they could be faulty a computer needs all electrical power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error

make sure your graphics card is securely seated with no dust built up or in the socket

if you remove your graphics check the socket to make sure its dust free

restart your computer then reinstall it this should activate found new hardware wizard

hope this helps you

Oct 25, 2011 | AOC 2036sa 20"TFT LCD Monitor

2 Answers


clean the monitor by vaccum cleaner after opening and check if the front panel switches are faulty. if so replace it
it may possible by overtight of screw. there is also another reason for that is the microcontroller chip is faulty replace it .it may reprogrammed

Mar 07, 2010 | AOC LM742 17" LCD Monitor

1 Answer

Need schematic diagram for AOC 5 En model (white 15 inches color monitor) - thank's

my AOC crt monitor 5En model has this problem. it has over width the compress button (<> ) is no longer functioning what particular component should i check or adjust inside the circuit? please i need ur help..

Nov 21, 2009 | AOC 5 En 15" CRT Monitor

1 Answer

Monitor has power only, no display. Serial #08138JA019415. Product Name LM729.

ok, your monitor problem is the inverter or lamps is not working well. you need do:
1) first thing you need check power board capacitors if there is any swelled it should replace. check all DCoutput voltages like 5V/12V etc. normall
2) check the inverter board it can maks this problem
3) if inverter works normall that is lamps at downside getting old, need to change.
hopeful all thing you can do it well
hope this help you fix it, please rating me thanks

May 14, 2009 | AOC LM729 17" LCD Monitor

1 Answer

Deefekt with the Monitor AOC 7klr

The flyback transformer is normally at the Horizontal section of the monitor's mother board, It sounds that your flyback transformer might be the cause, bright intensive white lines can be fly back defective. . Try changing your flyback cause I encounter a problem similar to this and it works.

Nov 14, 2008 | Computers & Internet

2 Answers

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.

Mar 03, 2008 | AOC CT720G 17" CRT Monitor

10 Answers

Unlocking of OSD in AOC LM725 Monitor

Solution #1 above fixed my problem. Turn the monitor off, then hold the left button down while turning it on again. Works like a charm!

Nov 29, 2007 | AOC LM742 17" LCD Monitor

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