Question about Samsung SyncMaster 753S 17" CRT Monitor

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No yellow or blue color displaying

Wonder if you could perhaps assist on this fault...

Hi i have a Mecer 17'' CRT Monitor, i am having problems with the color, there is no yellow or blue displaying. I have checked the cable to see if there is continuity and the cable seems to be fine.

Any suggestions on how to get this up and going?

Thank you

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In a monitor like crt type. there are three colors amplifier. Red, Green and Blue. I think the Blue color amplifier is defective. Try check the biasing and also the transistor.

Posted on Mar 03, 2009

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LG 700E CRT 17" monitor,


problem with the monitor Display cable. it is damaged.

Normally monitor will receive 3 colors red, green, Blue signals from CPU. If one cable i.e Red wire connection is missing in display cable which is connected to monitor, Red color image on monitor wil be replaced with other fade color.
So, need the replace the display cable or display connector!

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check the signal cable bend it in on condition and look what difference in color occurs if so then replace the cable if not that fault then ther is a dry solder on the base of monitor find out and clear it

Apr 05, 2010 | Samsung SyncMaster 753S 17" CRT Monitor

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Screen got yellowish color


Sounds like overstressed video cable, at least that wire for BLUE signal, 'cause when image is yellow - the BLUE color is missing.
Open the monitor and ring coaxial wire in blue insulation.

Sep 11, 2009 | AOC CT720G 17" CRT Monitor

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RED COLOR IS OFF. ONLY BLUE AND YELLOW. TRIED DEGAUSS ETC.


was there any sort of magnet around the monitor this ofter causes color problems with some monitors.check you cable that connects the monitor to you conputer if it is bent.

Jul 17, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Color Problem


all of you mentioned are correct. if they cannot work on color setting of your monitor and for the setting of your resolutions it could be the monitor. the monitor cannot support the color bit mode which required for the windows vista it could be a 16bit color mode which only display for not more than 63herts for the Hi color vsynch compare for the 256color if you have a Hi color settings for about more than 63herst vsynch. it cannot display properly. thanks

May 10, 2009 | SVA-USA VR 17 17" Flat Panel LCD Monitor

1 Answer

Hi my monitors screen becomes yellowish.all colour effected y dis


Hi,
Do you have a CRT monitor?
Have you tried to adjust the color on the monitor?
How is it connected to your computer?
It sound like one of the guns on you monitor died. But there is some testing you should do first.
If it is a CRT monitor and it is connect your computer properly. First thing to do would be to replace the cable and or try a different monitor that you know works.
To confirm try adjusting the color. If that does not work, if it more purplish it is the green gun, if it is orangish it is the Blue gun. That would be cause by a failed gun or driver.
If the gun is gone it is best to get a new one. It will save you money in the long run.

Thank you...

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6 Answers

Monitor problem


Hi,

Appreciate the "Ask Me".

I am assuming that you have more than just familiarity with electronic components and circuitry, the use of a DVM and a soldering iron. Further, that you have access to a service manual.

Width problem is basically insufficient horizontal deflection, then analysis would have to be in the horizontal section. Areas to initially focus on:
  1. 12V line and pin 29 of IC401;
  2. 110 V peak to peak at collector of Q403, if yes check Q 402 & 404 as well as T401;
  3. other components that affect the horizontal size are:
  • IC201
  • Q 405, 406, 407 & 408;
  • D409
  • L401
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 06, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Light blue color


look for cold solder joints on the crt neck (color circuit) board!

Nov 02, 2007 | CTX PL7 (Black) 17 in.CRT Conventional...

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Monitor color dominated by blue; Green and red colors fade away as yellow and black


probly just the chord connectin from your pc to the screen. just buy a new chord.

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1 Answer

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Your monitor is missing blue drive. Most likely a component failure on the CRT board. Bad color ICs, bad solder connections or defective capacitors can cause the problem.

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