20 Most Recent Samsung SyncMaster 204B 20.1" LCD Monitor - Page 5 Questions & Answers

most likely either the plug going into the monitor or outlet is not connected properly or the outlet is bad if it was just working and you have not had any surges

You need to open it up and inspect the power supply/inverter board for bad caps, burnt parts, etc, see example of failed SAMSUNG monitors: http://s807.photobucket.com/home/budm/allalbums
Post

It can be due to failure in the backlight inverter circuits, failed caps in the power supply (which is more likely to be), bad lamps. See example of faile Samsung monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.

REPLACE THE POWER ADAPTER!

Hello,

Yes, The repair is simple, it requires changing out 5 capacitors. We have a full repair guide posted on our web site at: http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/ We also have a parts kit available for $12 shipped.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Hi


Thanks for using FixYa.The first thing you should try is to reinstall its drivers, if it still wont work then it seems the issue is with the power board or the main board thats going bad and we’ll need to check few things. When you open the unit up; take a look at the power board-the board where, the power cords/plugs goes into. You might see some filter capacitors a little bulged up in the top-If this is the case-this is your defective part(you can try to replace them-but some soldering equipment is needed). If not, then probably the main board has gone bad. This is the other board-where all he inputs are going into. All this is only recommended if you have electrical expertise and know how to solder/re-solder components.. Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

You don't, it has no speakers. You need to buy a separate powered speaker system and connect them to the soundcard (the coloured phono sockets on the back of your pc).

kvons, Your monitor's behavior common to all brands not just Samsung. May need servicing by electronic technician. Read my and other tech's FIXYA profiles about solutions to BLACK screen problems and the two most common failure modes. 12fixlouie

You may have power supply that is dying due to bad caps, look inside and report back what you see so we can guide you further, see example of failed SAMSUNG monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

asachs493, First go to YOUTUBE and view the longer and more informative video clips of "lcd monitor disassembly" and "lcd monitor repair" to see if you really want to do that!!! Also visit all of these sites:-- www.ccl-la.com/badcaps.htm and www.badcaps.net , www.lcdparts.net Remember tihs!! Replacing "cold-cathode-fluorescent-lamps" may not be the problem!! Your problem may be in the circuit that generates the high voltage that starts and sustains running voltage for the lamps!!! It's called an "electronic ballast circuit" and because it is in a lcd CCFL monitor, it is refered to as the "inverter circuit" (dc to hi ac voltage) The new "curlieQ CFL energy efficient, screw-in light bulbs have "converter" electronic ballasts!! (ac line to hi ac voltage) Just FYI. 12fixlouie

Try connecting the monitor to a different computer.
If you get the same symptoms, take the monitor to a qualified technician -- they probably will charge your $25, and then tell you that the electronics inside the LCD are damaged, and that you'll need to replace the monitor. Instead, exercise the "warranty" on the monitor, to get it replaced, or "invest" the $25 "inspection-fee" as part-payment of a new monitor.

i have had to repair a few of those and the best! info i can give you is this!! the main board has to be swapped out! there little that you can do to repair it most of the parts are manufacturer availibility only! and non serviceable! by the user most boards are shipped complete at a cost of $90-$160 depending on supplier and area.

please check your monitor hardware

Hello,

The flashing power button is caused by a blown power supply. If you can solder then you should be able to do the repair yourself. Check out our web site at: www.ccl-la.com We have a step by step repair guide to repairing this model, showing how to open the case and do the repair. The repair requires replacing 5 small parts, about 15 minutes total time. If you don't want to do the repair yourself we do offer repair services, check our site for details.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

change your vga cable....

britron, Ron Tell me about your Samsung warranty??? Did you do the flashlight test? Do you know what makes the fixya background WHITE? How much do you know about those NEW STYLE curlie-Q energy efficient CFL screw-in light bulbs. Ron, you and only you will be the one to tell us what you can or can't do after you visit YOUTUBE to view "LCD monitor disassembly" and "lcd monitor repair" video clips. also try www.ccl-la.com/badcaps.htm run by another fixya tech (buddymc) and also www.badcaps.net , www.wikipedia.com/capacitorplague You can also read more of my responses to other owners of LCD monitors that have acquired "black screen of death syndrome", and how to do a DIY fix, or contract out the work. READ, READ, READ and you will know all the OPTIONS you have!!! If this response helpful, please rate on fixya. 12fixlouie

Hello,

If you are talking about the power light flashing and no picture then its not in sleep mode, the power supply has failed. Check our web site at: HTML clipboard www.ccl-la.com Look in the monitor repair pages. We have a step by step repair guide for this model Samsung. If you don't want to do the repair yourself we do offer a repair service, information is available on our site.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

you need your power supply repaired. take the back cover off and look at the power supply for crowned and or laeky capactiors. desolder them and take them to an eclecronics parts store. replace them and yourr good to go.

Hello,

You have a power supply that is about to die. We have a step by step repair guide posted on our web site at:
www.ccl-la.com that gives directions to dis-asemble the unit and repair the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair yourself we do offer a repair service for $30 plus return shipping. Contact us through our web site if you have any questions.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com
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Hi,

This problem is usually seen if the signal cable is not securely attached to the output socket or if any of the pins are bent or broken.

Remove and check the signal cable and see if any of the pins are bent or broken, Then, re-insert the signal cable and make sure it is securely attached to the socket.

Also, if you are using a video card, check and see whether it is properly inserted in its slot.

Hope this solves your problem. For more help and clarifications, please reply to this post. Thanks