Question about Samsung SyncMaster 204B 20.1" LCD Monitor

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Circuit diagram for a Samsung 204b - Samsung SyncMaster 204B 20.1" LCD Monitor

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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

Samsung 204B has a *very* long response time, b-w approx 10sec


I looked at the picture, well you have me stumped. Caps look OK. CapS on Logic board look OK.

Apr 12, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

SyncMaster 204B - when pc goes into blank screen mode (normal) the monitor does go black (normal). But when waking up PC the monitor just start flashing the screen extremely fast, progressing slower and...


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

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

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

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)...

1 Answer

Samsung SyncMaster 204B The blue power button is on but the screen is black. When I turn it off and back on it shows the screen for a second then goes black. Can you please help me. Thanks


Got the same problem, happened yesterday for me, Did some research and it looks like its bad capacitors in the back, check out this page for more information... i'm taking mine to an electrician to fix today... luckily he's related and should be able to fix it on the cheap...

http://pavel.kirkovsky.com/blog/2009/03/samsung-syncmaster-204b-repair/

Apr 02, 2009 | Samsung SyncMaster 204B 20.1" LCD Monitor

8 Answers

Samsung Syncmaster 204B


Try to replace C110 and C111 in the power supply circuit. These are 820uF caps and are in parallel. I had slow start and a flicker on this same monitor. Replacing the caps fixed it. Good luck, Ryan

Jul 09, 2008 | Samsung SyncMaster 204B 20.1" LCD Monitor

1 Answer

Samsung syncmaster 204b


Yes. There is no vertical deflection. The circuit that controls vertical deflection is bad. This is an easy fix for a TV tech. Take it to the TV repair shop.

Dec 14, 2006 | Samsung SyncMaster 204B 20.1" LCD Monitor

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