Question about Samsung SyncMaster 753S 17" CRT Monitor

3 Answers

When it's turned on, the light on my monitor doesnt show any signal of power supply

Hi experts, When it's turned on, the light on my monitor doesnt show any signal of power supply. please help me in rectifying the problem. which parts inside sould I look for cause? thanks & regards, sag

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  • RCcee Nov 05, 2007

    Booting PC, amber light on monitor blinks and turns blue than back to amber. PC continues to boot with no monitor activity other than amber light blinking. No Video.

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  • kcaj-1 Nov 11, 2007

    After a year and ten months my VX924 monitor died, no lights. Removed the back housing using a putty knife around the plastic, ohmed the ON - OFF switch and fuse which were okay. Ohm meter shows 1/4 Ohm between the large electrolytic capacitors, some of which show evidence of bulging at their tops. Where do I go next?

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Kim Yearick
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I'm assuming that you mean the green indicator light is not on. This could be caused by a host of problems. Assuming that you know the AC receptacle is live by testing with a standard light the next step would be to unplug the unit and remove the back. Check the fuse for continuity. If the fuse is good you have a problem with the power supply or a short which is keeping the power supply from powering up. The most likely culprit is the Horizontal Output Transistor. Unless you are an electronic tech and know how to check this you probably need to take the unit to a shop for further diagnostics and repair.

Posted on Jun 22, 2006

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Posted on Jul 21, 2008

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Posted on Apr 09, 2007

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1 Answer

Hi, I have a ViewSonic VX2235mw LCD Monitor it was working fine then all of a sudden the screen turned off and now it wont turn back on. The power light is on and is Blue but no sign of life in the screen...
Hello,

This is a very common problem with this model after a few years of use. This problem is caused by a failure of the capacitors in the power supply board hat powers up the back lights in the monitor. When the back lights don't power up you get no display on the screen. Here is a link to a repair guide for that model that shows how to open the unit and what to look for and replace to repair the monitor.

http://www.ccl-la.com/blog/index.php/repairing-the-viewsonic-vx2235wm-lcm-monitor/

Here is part one of the three part video repair guide posted at the above link:


Jan 29, 2013 | ViewSonic VX2235wm LCD Monitor

1 Answer

Dont show video but it turn on perfectly
Usually indicates a bad Power Supply.

LED lights light, fans spin, but NO Signal on monitor.

No Video Signal, because the computer isn't sending one out.
Because the computer isn't working.

Know this;

1) If ALL the LED's were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

A Power Supply with a weak voltage power rail, will not have enough power to turn the Processor on.

However not to jump the diagnostic flow chart; check the monitor cable FIRST.
Use on another known to be working computer. If it checks out OK, the problem is the computer, and I think -> Power Supply.

Test the 3 main voltages on the Power Supply, with a multimeter set to DC Voltage; OR use a KNOWN to be good, Compatible power supply, for a test unit.

For additional questions please post in a Comment.
Regards,
joecoolvette

Dec 29, 2012 | Computers & Internet

1 Answer

Hello my flatron l206wtq-bf doesnt work the light of power flash blue and the monitor doesnt open do you have a solution for me thanks
Hello,

Your unit has a power supply that has failed. When the power board starts failing you may get a wavy display, it may be slow to show a picture or you may just get the flashing power button light that you have. The problems are caused by parts called capacitors that have bulged and failed. Here is a link to a repair guide for the LG L226 that uses the same power supply board as your unit.

http://www.ccl-la.com/blog/index.php/lg-l226wtq-bf-monitor-repair/

The dis-assembly information is almost the same to.

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

BuddyMc

Aug 01, 2011 | LG FLATRON L206WTQ-BF Monitor

1 Answer

Monitor Blank, Power light is not on
Your monitor have a bad condensatorin the PSU.

The only thing to do is to replace the Power Supply Unit (very expensive, more than a new monitor) or if you have electronic tools, found and replace that condensator.(cheaper way...)

Anyway, have you tried to replace your VGA card ? The problem could be there too !!

Best Regards!

Jun 24, 2009 | Dell E198FP LCD Monitor

1 Answer

Viewsoniv VA 902 LCD 19" monitor
If the signal cable is detachable from the monitor, you could try with another cable... Regarding the power, I' not an expert, but if you're familiar with electronics basics, like risks of high voltage, soldering, etc, and you'd like to experiment with the unit, then I can give you some hints.

Mar 19, 2009 | ViewSonic VX900 19" LCD Monitor

2 Answers

Switch Blue light turns on but main screen does't
its power problem

Dec 07, 2008 | Gateway FPD2185W 21 in. LCD Television

1 Answer

My IBM Monitor doesnt turn on but the CPU is on.
You may have changed setting by mistake so while powering cpu first time press f8 f8 frequently and you will go to safe mode and see the picture

Oct 29, 2008 | IBM ThinkVision L170 17" LCD Monitor

3 Answers

Power is on(green) but no picture or (no signal)
may be the problem with the output transistor

Feb 21, 2008 | LG Studioworks 563N 15" CRT Monitor

1 Answer

Harddrive issues.
I would suggest 2 things.
Open the PC up and reseat the RAM stick/s.
Also reseat the graphics card if applicable.
If the monitor still doesnt get sync take out the pci cards and see if it will POST.
If so plug your PCI cards back in one at a time to diagnose which is the faulty one.
Also it could be your graphics card, take it out and use the O/B graphics see if the monitor will get sync off the O/B.
If this doesnt help please supply more information.

Jan 16, 2008 | Gateway (M520HD100G) Hard Drive

1 Answer

Monitor Start up
It is the same problem I experienced and now it suddenly stopped and dead.

what the manufacturer of the unit has to say about inherent design fault which they are liable under UK consumer law to rectify within 6 years

And incidently who are manufacturer to this Licon make is please

Jun 29, 2006 | Microsoft Likom HD19A 19" LCD Monitor

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Hi, I have a ViewSonic VX2235mw LCD Monitor it was working fine then all of a sudden the screen turned off and now it wont turn back on. The power light is on and is Blue but no sign of life in the screen...

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