Question about Samsung B2330 23 inch Monitor

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Samsung b2330 monitor turns on then goes black after 5 seconds

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 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


Posted on Jul 24, 2009

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SOURCE: Monitor goes blank after 3 seconds -Samsung SyncMaster 920NW

hello i have the same problem, there are 4 lamps (bulbs) inside the monitor when some of them falls the system turn off, cheks and good look

Posted on Oct 27, 2009

  • 732 Answers

SOURCE: Samsung SyncMaster 940n monitor that turns on then goes black

rcpips, You may need to replace one or possibly 5 -8 aluminum can "electrolytic filter capacitors" on the "switch-mode-power-supply/CCFL inverter board. If, as you say "works for 5 or 6 seconds" then that means that fuse is good. Another thing you will need to inspect SMPS board for is "cold" "frosty looking" solder joints where the components (surface mount or through hole) are soldered to the copper circuit traces. May need large magnifying glass or low power inspection microscope to locate them. Resolder any that look bad or loose. Some solder joints have thinner than "hair" thermal fractures that can also cause YOUR TYPE OF SYMPTOM!! PARTS: digikey. mouser. newark. and possibly Radio Shack. If buying filter capacitors, make sure they are rated 105 deg C only!! NOT 85 deg C!!! If caps need to be replaced (swollen, leaky) be sure to tell us the brand name you find installed on your unit! CAPXON, ELITE, JUN-FU are just 3 that you don"t want to find in your unit. BAD news if you do!! If DIY suits you, remember to document with "close-up" digital stills your unit tear-down, so you can reassemble unit without any "extra" parts laying on kitchen table!! Filter capacitors are polarized. You put them in + to +, - to -!!! if you put them in backwards they go BOOOOMMM!!! Hope this helps a little. lmistyrel on aim or 12fixlouie at fixya.

Posted on Jan 30, 2010

Testimonial: "12fixlouie has been most helpful in helping me find a solution to my monitor problem."

SOURCE: samsung syncmaster 920wm after a few seconds from

Hello,

The picture board on your monitor is bad, since it goes off after few seconds and the power led or button is on, it means the picture board of your monitor has developed fault and will need to be replace.

I advice you replace the picture board on the screen of your monitor to solve the problem of the blank screen.

Take care.

Posted on Jul 18, 2010

  • 732 Answers

SOURCE: i have Samsung SyncMaster 2233BW 22 inch LCD

nokerns, Internal ac to dc power supply problem might be cause of your "black screen of death" that plagues all brands of "cold-cathode-fluorescent-lamp" back-lit lcd monitors. If unit is covered by Samsung warranty, then contact Samsung and complain about "premature failure" of the unit's power supply and see if they will do a swapout for same model unit. As a side-note, you should also learn how to do the "black-screen-of-death" flashlight test that every owner of a ccfl backlit lcd monitor should know how to perform and understand the results of the test. Do some reading in the FIXYA profiles of "budmrtn" "buddymc" "12fixlouie" and other lcd monitor tech's here on fixya and also view some DIY repair video clips on YOUTUBE. You will truly be amazed to find out how prolific the BSOD problem is in the lcd monitor industry. Please let other know what you will do to solve your monitor's problem by doing a reply to this response. If this was of some use to you then please rate this response on fixya. Bye for now. 12fixlouie

Posted on Jul 21, 2010

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1 Answer

How to open a samsung monitor syncmaster B2330


Try separating the wiring. Touching wires cause cross-talk of signals.

Feb 08, 2014 | Samsung B2330 23 inch Monitor

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I have a samsung syncmaster 943NW which goes on for about 5 seconds and then just goes black. When restarting the screen it does the same again, goes on for about 5 seconds and then black. Is there...


I had the same problem with this monitor (Samsung 943nw)
When turned on it would only stay on for less then a full second.
When shining a light on the screen I could see what was on it, so it was just the backlight that was shutting down.

After I turned down the brightness of the monitor, the next time I powered on the screen the backlight stayed lit and it was back to normal.

Dec 11, 2010 | Samsung 943NW Monitor

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When I turn on my computer the monitor turns on for about 3-5 seconds and then goes black. The blue light stays on and does not blink. If I turn the monitor off then back on it will again show the screen...


Had same problem, Monitor first turn on, backlight off after couple of minutes, off/on backlight off after few seconds.
Solution cut J503.
Found voltage OVPT (IC501,7) quite low (1.6V) this is the reference value for VSEN the over voltage value. By cutting J503, OVPT becomes 4.5 volt but is not depending anymore on the current through the lamps. Instead of the link J503 I solder 2x 1N4148 diodes which makes the OVPT not go below 2,8 volt. (diodes in series, cathode points to nearest board edge)

Oct 27, 2010 | Samsung SyncMaster 920NW Monitor

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Monitor goes blank after 3 seconds -Samsung SyncMaster 920NW


Could be a power issue. If it doesn't show anything at all then that may be the case. It may also be the display itself. It would be a costly repair so you might be better off finding a new monitor.

Sep 16, 2009 | Samsung SyncMaster 920NW Monitor

1 Answer

Monitor turns off after about 3-5 seconds


I would say your monitor is bad if you have tried it on 2 different monitors and it does the same on both. Check your warranty expiration date, some monitors have 2 or 3 years warranty. If it's still under warranty, you may be able to have it replaced or repaired.

Aug 14, 2009 | Samsung SyncMaster 920NW 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

Monitor goes black in 2 seconds


Check the data and power cables. One of them might be loose.

Apr 26, 2009 | Samsung SyncMaster 204B 20.1" LCD Monitor

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