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Samsung syncmaster 730b blinking. switches from

Samsung syncmaster 730b blinking. switches from digital to analog and back again. is there a way to fix this. not sure if it is compatable with my tower.

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Oct 23, 2009 - This is how it went for me..I have a Samsung SYNCMASTERsamsung syncmaster 730b blinking.  switches from - 2.gif 2053BW. I leave my monitor on and let it hybernate when I shut down PC. I'm 3 months outside of my warranty. Two weeks ago something started happening. I boot PC and video doesn't come up for 10 minutes, and when it came up it worked perfect. VC/Monitor/MB?? It became 20 minutes and ...now..I have the analog/digital box in top left screen, power light on monitor flashing, no menu available on monitor and none of the other buttons work for anything. I test the monitor on Laptop..nothing(same as above)..I break out the old(working) monitor from deep within the closet. Plug it in and I'm up and running. So...

HOW TO OPEN A SYNCMASTER 2053BW

NO SCREWS!!! Assuming that the stand mount has been pulled out..The seam around the screen frame is where you start. The frame has the prongs, the back cover has what the prongs slip over.The frame is coming off first! I got the side to open by finger, then used a small standard screwdriver to pry ever so gently(lifting frame from rearcover). Leave the power button assembly on the frame, pull wire only a little to relax any tension..you get about 3/4" in extra taped to panel. The hard part is done.;) Still holding the frame...Now lift the panel (where the power button assembly wiring goes under panel) with the power housing that is under it as a whole and you will see where the powerbuttonassemble detaches.Remove frame. Now..holding edges of panel into back cover, lift and flip the whole thing over and place panel face down on a perfectly flat surface..a towel on my desk works. Lift and remove back cover.Your now looking at the back of the board housing. The ribon is simple, on the panel end of the ribon, squeez the outer clips together and slide it away against the panel..The secondary tin plate is removable, two clips super close to where the sets of wires come around the housing and into the panel.Unhook the 4 plugs(pink inside/blue outside)...Now lift the power housing off of the panel. The big board has the power. One screw to remove a ground plate first. Two screws to remove power board. Pics from phone.
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Reassemble but DO NOT re-snap the frame into place....yet... Test it! There is a reason the caps got hot in the first place, therfore it has a good chance of happening again. This is not fullproof...but.....mine has been on now for close to 6 hours with no glitches whatsoever. So I have resnapped mine back together. I hope you can too. - I must also add that this is one of the best producing monitors I have ever seen...in 60hz. The clarity is top notch. If you purchase one get the extended warranty. FYI...I paid $4.00 for those caps.

Posted on Oct 24, 2009

  • 1fumbo Aug 22, 2011

    I have black screan and power led blincking. My samsung syncmaster 730bf have same problem whit dray capitors of 1000uF in swiching unit and I substituted whit new caps. It works great. Thanks all.

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I did this on my Samsung SyncMaster 204B, Worked like a charm!! The two caps on my board were 820mf 25V. My local electronics store didn't have them (forget radio shack, they **** now), I substituted 1000mf 25v caps. Works great !!

I have to admit I was skeptical but the monitor was worthless at that point anyway. I'm thrilled I was able to save it!!

Thanks for the outstanding advice. I owe you a beer!



Scott

Posted on Nov 21, 2009

  • NRage Nov 21, 2009


    I have a Samsung SyncMaster 204B about a year and a half old; it started taking a couple minutes to warm up then slowly got worse; 10 minutes to warm up and finally never coming on. The power light would just flash on and off but no picture.




    I followed AMPS-N-CAPS instructions here. They worked like a charm!! The two caps on my board were 820mf 25V. My local electronics store didn't have them (forget radio shack, they **** now), I substituted 1000mf 25v caps. Worked great!!

    I have to admit I was skeptical but the monitor was worthless at that point anyway. I'm thrilled I was able to save it!!

    Thanks for the outstanding advice. I owe you a beer!




    (please excuse the double post L)



  • HappyOne123 Jul 19, 2011

    I used these instructions for my SyncMaster 203B, and although the circuit board layout was somewhat different, It was clear where two capacitors were laid out next to each other near the cable assembly. These were indeed 820 mfd 25 V as the other responder states. I WAS able to find replacements at Radio Shack (1000 mfd 35V) for a total of just under 4 bucks. Also the instructions were perfect for opening the unit and accessing the circuit board.

    I am not electronically proficient, but I have a soldering Iron and I was ready to pitch this screen as a worn-out piece of junk, so when I turned it back on and it worked, I was really, really thrilled! I am now at +3.5 hours of operating since I sealed it up and couldn't be happier with this advice. No smoke or exploding capacitors!

    My only suggestion is to note where the negative leadwires go when removing the old capacitors, even though it is marked on the circuit board. There's a stripe on the side of the caps with neg signs on it. I guess that is the shaded half of the circle that's printed where the old capacitor were too. Good luck to anyone else who tries this. What have you got to lose?

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Try adjusting your screen resolution to a lower range

Posted on Sep 24, 2009

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Just downloaded windows 7 onto desktop. screen is now too large. i have a samsung syncmaster 730b and it wont let me change the resolution to make the screen smaller


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Screen says check signal cable - have check my cables....


Not really...

First check if the cable connected from the monitor is secured and properly connected to the video card of the CPU.

"Check signal cable" will only be display if there is no signal coming from the CPU.. that signal Passes through the video card..

Check the status of your video card.....and see also if the CPU is working and not dead set.

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My acer laptop with windows xp will not allow me to select the optimal resolution for my samsung moniter. How do I fix this?


The Samsung SyncMaster 730b is a 17-inch analog and digital TFT-LCD monitor delivering crisp, clean text and bright, vivid colors. This display offers a 600:1 contrast ratio, 300 cd/m2 brightness, 1280 x 1024 resolution, 160/160 degree viewing angle, scanning frequency of 30-81 kHz horizontal and 56-75 Hz vertical and 0.294mm pixel pitch
The SyncMaster 730b display offers the option of using either a digital or analog interface for viewing images and text. The Digital Video Interface (DVI) ensures a shaper, cleaner image and a more accurate representation of the original video source. Since video starts out digital in a PC graphics card, the digital output is directly interfaced to the digital input of the LCD panel and always provides the optimum quality image. In addition, no adjustments are required with a digital display, even when randomly changing resolutions. Input connectors for this display include 15-pin D-sub and DVI-D. Available in black, the SyncMaster 730b delivers a maximum of 16.2 million colors. The monitor is Windows Plug and Play DDC 2B compatible
The important stuff here would be the following:
(1) 30-81 kHz horizontal and 56-75 Hz vertical
(2) SyncMaster 730b delivers a maximum of 16.2 million colors
(3) 1280 x 1024 resolution
nVidia card settings should not exceed these monitor parameters. The monitor is not designed for more performance output without increasing liability toward failure. ?. Put your card settings, under the nVidia tab, at the following:
(a) Refresh rate set at 75 Hz
(b) Set colors at 16 million
(c) Set resolution slightly less than 1280 x 1024
It?s quite possible your monitor is at fault, but start with its optimal parameter settings for the display card first. The display card probably exceeds the monitor?s capabilities. Hopefully, this will stabilize your PC session and the blank outs cease if hardware is not faulty

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