Question about Samsung SyncMaster 204B 20.1" LCD Monitor

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Samsung 204b backlight

Bulb replace

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 732 Answers

SOURCE: How to replace backlight in Samsung 204B

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

Posted on Feb 02, 2010

  • 1684 Answers

SOURCE: Backlight going bad?

Hello,

This is not the backlight its the power supply board. We have a repair guide posted on our web site at: http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/ The repair consists of replacing 5 capacitors on the power supply board. If you can solder then you can do this repair. If you don't want to do the repair we do offer a repair service, you can get this information here: http://www.ccl-la.com/blog/index.php/service-request-form/

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

CCL_Tech
Corporate Computer
www.ccl-la.com

Posted on Apr 28, 2010

Testimonial: "I know this has been quite some time ago, lol. I did since replace the capacitors and still had an issue. There was another component that went bad (can't remember what) which was too expensive to replace given the price reductions on newer bigger monitors. Thanks for your help!"

  • 732 Answers

SOURCE: can i get a copy of the power supply diagram for

jose54tony, Schematics would only be available from Samsung. Rarely do they let them out of there tight grip!! You may need to look at the smps board and inverter board to find bad transistors that may have also died (muerto) when the electrolytic filter capacitors failed. 12fixlouie

Posted on May 20, 2010

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1 Answer

204b backlight getting dim


change the inverter if it does not work ,you will have to change the backlight bulbs or you change the screen

Jun 22, 2013 | Samsung SyncMaster 204B 20.1" LCD Monitor

2 Answers

SyncMaster 204B screen appears in 5 min after turning monitor on. First 7-10min screen is dark and slowly increases brightness. The picture becomes normal in 15-20 min and all is OK until the monitor is...


How long have you had the monitor. It sounds like a defective backlight. Usually when the circuit driver for the backlight starts to go bad, the monitor will blink. If this is the case, eventually the monitor will not turn on at all.

Jan 12, 2011 | Samsung SyncMaster 204B 20.1" LCD Monitor

2 Answers

I am looking for the pdf file Samsung 204B fix


A full repair guide with dis-assembly and repair instructions is available at:

http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/

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

BuddyMc

Aug 03, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

Can i get a copy of the power supply diagram for samsung 204B syncmaster ,i replaced the capacitors that were inflated in the power supply and in the inverter but the backlight not turn on. i want to know...


jose54tony, Schematics would only be available from Samsung. Rarely do they let them out of there tight grip!! You may need to look at the smps board and inverter board to find bad transistors that may have also died (muerto) when the electrolytic filter capacitors failed. 12fixlouie

May 20, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

Backlight going bad?


Hello,

This is not the backlight its the power supply board. We have a repair guide posted on our web site at: http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/ The repair consists of replacing 5 capacitors on the power supply board. If you can solder then you can do this repair. If you don't want to do the repair we do offer a repair service, you can get this information here: http://www.ccl-la.com/blog/index.php/service-request-form/

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

CCL_Tech
Corporate Computer
www.ccl-la.com

Apr 28, 2010 | Samsung SyncMaster 216BW Monitor

1 Answer

Backlight failing


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.

Mar 16, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

2 Answers

No backlight on Samsung 710N LCD Monitor


No, it is not easy to change the backlight on an LCD panel. The backlight is an integrated part of the LCD panel itself. The backlight for LCD monitors is also model and manufacturer specific, so there's no easy place to order a backlight to do it yourself. The good news is that your Samsung monitor should come standard with a 3 year warranty, so if it's less than 3 years old, you can call Samsung and they'll repair/replace it for free. If it's over 3 years old, then you may need to repalce the monitor... or pay to have it repaired.

Mar 07, 2010 | Samsung SyncMaster 710N 17 in. Flat Panel...

1 Answer

How to replace backlight in Samsung 204B. Monitor (3.1 yrs old) takes 10 min to warm up.


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

Feb 02, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

Samsung 204b my screen flickers and is dim on wakeup


Hello,

Your backlight power supply is about to die. Check out our web page at: www.ccl-la.com/badcaps.htm We have a full repair guide and parts list to do the repair.

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

Buddy
Corporate Computer
www.ccl-la.com

Sep 27, 2009 | Samsung SyncMaster 204B 20.1" LCD Monitor

2 Answers

Samsung monitor picture clicks off after 2-5 seconds...


Yes, It sounds like the backlight inverter circuit is shutting down. No inverter power, no backlight. On some monitors the inverter circuit will shot circuit the power power supply which makes the power light flash on some it just kills the backlight. You can usually check with a flashlight. Hold the flashlight pointed at the screen and see if you can see any of the icons or background picture. If you can then it is the backlight circuit or backlight tubes, usually the circuit.

Buddy


Jul 24, 2009 | Samsung SyncMaster 204B (Silver, Black)...

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