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Samsung 225BW LCD monitor problem


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#1 JonM33

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Posted 03 August 2010 - 10:52 AM

Not sure if anyone else has heard of or seen a problem like mine. My Samsung 225BW is past it's 3 year warranty. If I press the power button, the display flickers on for a second and then disappears. The power LED stays on though, it does not blink. I have tested my graphics card on my LG 42-inch LCD HDTV and it works fine. If I unplug the DVI connector from my monitor and try to turn it on I see a "No Signal" for a second and then it disappears. I cannot bring up the control menu because it simply will not display.

Eventually, after 100 or so times of pressing the power button on and off the display will finally stay on. So I resort to just setting a screen saver and leaving my monitor on 24/7. If it ever turns off for a period of time it will do the same thing as described above. I'd like to think there is something wrong with the CCFL backlighting just not wanting to kick on if they aren't warm? The monitor has not gotten dimmer at all over the years. It is fine if left on 24/7.

I have tried unplugging it and plugging it back in, a power cycle of sorts, but it's the same problem if the monitor is left off for a period of time. No, I have never resorted to banging on the monitor in any area as violence and electronics do not mix.

Any ideas on what I can do to resolve this? Should I just throw in the towel and get a new one?

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#2 MrBruce1959

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Posted 05 August 2010 - 08:07 PM

It sounds to me like your monitor has an intermittent internal issue, probably related to a controller board built inside the monitor.

Monitors are very dangerous devices to service internally, because they have components inside which store lethal amounts of AC current long after the monitor has been disconnected from its power source.

Therefore I can NOT recommend or offer any advice on servicing this piece of hardware. It is better to have it serviced by a qualified service center.

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#3 Platypus

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Posted 05 August 2010 - 08:26 PM

Often this sort of behaviour is bad electrolytic capacitors, but could be fractured solder joints or as you say, a hard starting CCFL lamp. If you're competent with electronics and electrical safety, you could investigate, but as MrBruce commented, otherwise it should be left to experienced service folk.

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#4 JonM33

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Posted 05 August 2010 - 08:31 PM

It sounds to me like your monitor has an intermittent internal issue, probably related to a controller board built inside the monitor.

Monitors are very dangerous devices to service internally, because they have components inside which store lethal amounts of AC current long after the monitor has been disconnected from its power source.

Therefore I can NOT recommend or offer any advice on servicing this piece of hardware. It is better to have it serviced by a qualified service center.

Bruce.



Often this sort of behaviour is bad electrolytic capacitors, but could be fractured solder joints or as you say, a hard starting CCFL lamp. If you're competent with electronics and electrical safety, you could investigate, but as MrBruce commented, otherwise it should be left to experienced service folk.


Well, if it's not under warranty then I won't waste the money to get it serviced. Between parts and labor I could just get a brand new one.

I think I'll just wait till it dies and get a new one. Thanks for the advice though!




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