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CRT-Monitor Our CRT monitor shows red and green only.It doesn't display blue instead displays black that leads to end up with yellowish tinge. Is there a way to fix it?

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  • trail_run326 Aug 05, 2008

    If you come up with an answer, let me know. My Viewsonic G70fmb suddenly lost the capability to display RED. Maybe we can combine the two. :)

  • thomasesr Mar 02, 2009

    brightness keep changing on it self, i hate this problem

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My e70fsb monitor is self adjusting, brightness goes to maximum

Posted on Aug 05, 2008

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Posted on Jan 02, 2017

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I found yellowish display instead of black


Classic case of color IC going dead. You need a expert CRT technician to replace the aging IC. My recommendation is trade this CRT for a LCD, or if you have any warranty, get this monitor replaced.

Mar 02, 2011 | Sony Refurbished DELL 21" TRINITRON BLACK...

1 Answer

My monitor turns yellowish i can still work what is the problem. the monitor is a Acer V233H


The red "gun" of your CRT monitor is going bad. You will need to get a new monitor, and you should seriously consider an LCD flat screen. It will save you allot in electricity.

A CRT monitor is a very cool piece of technology inside... even though they are going obsolete with the advent of modern LCD displays.

In every CRT (Cathode Ray Tube) monitor, there is a trio of "Electron Guns"- they fire electrons at the front of the screen, hitting it with billions upon billions of electrons... the "bullets". Each gun is aimed at a set of colored targets, called "pixels"... one gun hits red ones, one for green, and one for blue. Combinations of these colors make up everything we can see.

When the red "gun" cannot fire enough electron "bullets" at the screen, the blue and green together make the picture appear yellowish.

If you want to learn more, look up "cathode ray tube" on wikipedia for starters!

A word of warning- the technology is very cool (I used to teach how CRT screens worked as part of my job teaching Missile fire control radar for the Navy), BUT:

THERE ARE VERY HIGH VOLTAGES INSIDE A CRT MONITOR THAT CAN KILL!!! DO NOT OPEN
THE CASE!!!!

Remember- the electron "guns" inside are shooting billions and billions of electrons at the front of the screen. They are being collected from the screen by a high voltage "supply". Most CRT's operate with anywhere from 15 to 45 THOUSAND VOLTS!

Feb 10, 2011 | Computers & Internet

2 Answers

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!

Dec 09, 2010 | LG Studioworks 700S 17" CRT Monitor

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Lg crt monior display cable wire circuit diagram


Pin Signal 1 Red Video 2 Green Video 3 Blue Video 4 Monitor ID - Bit 2 5 Ground 6 Red Ground 7 Green Ground 8 Blue Ground 9 [KEY] 10 Sync Ground 11 Monitor ID - Bit 1 12 Monitor ID - Bit 0 13 Horizontal Sync 14 Vertical Sync 15 N/C (Reserved)

Feb 11, 2010 | Computers & Internet

1 Answer

Acer CRT moniter 17" Model: AC713 dost not display any thing.


Ok if you prese the menu button on the monitor does the monitors setting menu appear on screen
If it displays adjust the contrast and brightness until a picture appears
If that does not work place a fringe magnet on one of the corners of the monitor if there is now green tinge around it than there is no electrons being fired at the screen and you have missed something so test every component

Mar 14, 2009 | Acer AC713 17" CRT Monitor

2 Answers

CRT monitor becomes yellowish..


When any dust goes inside your monitor .......you will get these things.......... remove it , it will work fine

Jan 12, 2009 | LG Studioworks 45 14" CRT Monitor

1 Answer

My monitor displays yellowish color instead of original color


yes please take the power on self test means disconnect signal cable and monitor will give
display without cpu if display appears then monitor ok fault is in cpu if not then fault is in monitor move signal cable and look display changes or not if changes then cable faulty replace it

Nov 11, 2008 | SAMTRON 55V 15" CRT Monitor

1 Answer

CRT Monitor Not displaying blue components


Your moniter's video circuit is faulty .

Jul 08, 2008 | Gateway FPD2275W LCD Monitor

2 Answers

Monitor color has been changed to yellowish.


There are three Cathod Ray guns responsible for the millions of
colors.All colors are produced by mixing the three basic colors namely
Red Green and Blue (RGB) at suitable proportion. If any one of the
three guns fail firing then we get improper colors.
Try
(1) Simply tap on the monitor and see the result.(Keep the monitor on during this trial.)
(2) Disconnect the Monitor.and Slap it at the back by keeping it on a pillow with the screen facing down - it will resolve the problem if the failure is due to the loosening of the Head due to repeated thermal expansion and contraction.
(3) check the signal cable for loose connection, twisting etc on both ends - at the back of the CPU and Monitor (it is fixed) -
(4)tighten the screws at the backside of the CPU

Best of luck

ProfSweetlin

Sep 14, 2007 | Samtron 76df 17" CRT Monitor

3 Answers

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.

Oct 15, 2006 | Samsung 15.3" LCD Monitor

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