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Anonymous
Anonymous Posted on Apr 07, 2012
Answered

Monitor wont turn on

Hi, i got the same problem as this fella here: http://www.fixya.com/support/t7763563-got_problem_226bw_samsung_some and i want to try and change the bad caps. Problem is, i dont know which ones to buy. Im a rookie and doing this, but i believe i can do it. Im from denmark so i need to find a place to buy it that ships international. Thanks in advance!

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  • Anonymous Apr 07, 2012

    Just wanted to add, i use this screen as a secondary screen. Only way to make it work is to wait like 15 min then press the source button 10-20 times untill it turns on. Power led still blinks when its black screen. But im still able to turn it on after some time.

  • Anonymous Apr 07, 2012

    Its a Samsung 226BW like the post i linked :)

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1 Answer

Dimitar Todorov

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  • Expert 241 Answers
  • Posted on Apr 08, 2012
Dimitar Todorov
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Usually the capacitors are 1500uF/25V and 470uF/25V, but I suggest to use 35V capacitors. This will make your power supply to last forever. Also, you better open the monitor and see by yourself what kind are the capacitors. Mind the polarity or the capacitors will blow out with lot of smoke. You can buy them from local parts store like Conrad.com or online.

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5 Related Answers

Anonymous

  • 55 Answers
  • Posted on Apr 24, 2009

SOURCE: Samsung syncmaster 794 mg CRT monitor driver.

download your monitor driver

http://www.samsung.com/us/support/download/supportDown.do?group=&type=monitors&subtype=crt_conventional&model_nm=793MG&dType=D&mType=UM&vType=R&prd_ia_cd=05020300&acc_ia_fl=&disp_nm=793MG&menu=download

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Anonymous

  • 1512 Answers
  • Posted on Jul 03, 2008

SOURCE: Please see posting at the link below.

no worries Dan... done and dusted:)

Anonymous

  • 122 Answers
  • Posted on Jun 18, 2009

SOURCE: Samsung 226BW 22" LCD has gotten worse!

As stated in your previous post, this can be fixed with some minor electrical and soldering knowledge. If you do not have the knowledge yourself, you will have to find someone to do it for you. The parts wont be expensive, but I do not know what your local repair shop would charge you for the labor.

Nothing else you can do with the exception of buying a new one :-(

A

Anonymous

  • Posted on Jul 27, 2009

SOURCE: Monitor darkens significantly when viewing some

The monitor might be on 'dynamic contrast'. Press menu on the remote control and does it say that 'magic bright' is on dynamic contrast?
If so, change it to something else and this may solve your problem.

Hope this helps!

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Jan 12, 2011

SOURCE: Hi, I got problem with my 226BW Samsung. Some

Sorry, the links you provide does not work. You can post the picture her at FIXYA but it has to be less than 150k in size.
Do you see caps with dome top (not completely flat)?

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

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This model and other model of SAMSUNG monitors are know to have bad capacitors, lamp assemblies as you can see here:
http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/Samsung%20920NW/

http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/

Please read my guides first if you are going to DIY repair.

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Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
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Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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Try it with another PC first to narrow down the cause of the problem, this model is known to have bad caps or bad lamp assemblis due to poor soldering works.
http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/Samsung%20920NW/

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 pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.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.
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Basic LCD monitor and TV troubleshooting guide:
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Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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Please read my guide and look at the albums so you will have more understanding if it turns out to be the monitor problem.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
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Basic troubleshooting guide here:
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Sorry, the links you provide does not work. You can post the picture her at FIXYA but it has to be less than 150k in size.
Do you see caps with dome top (not completely flat)?

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

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http://s807.photobucket.com/albums/yy352/budm/Samsung%20920NW/

You need to do more checking: Voltages, MOSFETs, lamps, etc. Test the power supply with lamps.
Here are the service manuals:
http://elektrotanya.com/?q=showresult&megnev=SAMSUNG%20&megnev2=920&kategoria=monitor&kat2=schematics

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Read full answer
Jan 07, 2011 • Samsung SyncMaster 920NW Monitor
0helpful
1answer

Wont turn on. turns on for a second then turns off
Look for bad caps first.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Read full answer
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