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Green picture display - LG Televison & Video

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What model tv and are you using componet cables

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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Vizio M420kd vertical thin white line on left of screen pictures have lots of green ghosting


If you've ruled out that the source you're displaying from is good, I would contact vizio for a warranty repair

Jan 24, 2014 | Vizio Televison & Video

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--green screen no picture


A plain green screen display denotes a fault with its display panel

Dec 01, 2013 | Insignia Televison & Video

1 Answer

Turn tv on. green light solid display, no picture or sound


The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

Jul 28, 2012 | LG 50PG60UD 50 in. HD-Ready Plasma TV

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I have seen a problem in my tv is that there is no green colour display in crt. only two colour ( i.e. Red and Blue) or combination may be display. Pl. look into this matter , replay soon


Your problem may related to the green output or driver stage in your tv. Usually green calour is not tranmitted, only blue and red colour informatein are comming from transmitters. Green colour information is regenerated inside the tv by matrix network. If the matrix get damaged no green colour will be displayed. To check first; whether the TV colour picture tube's green gun is right or not. For that you must connect a resistor of value more than 470k 2W, to the green cathode of the picture tube base to earth. The connection should be done causiously, not for a long time. It is advised to do in intermittantly with just touches. When you touch the green cathode with the resistor with one side of it earthed, a green flash must come on the crt. You can do this test for red and blue too. If there is no green flash, or light picture tube may be faulty. It is a very rare case. You must check the volltages of the other two cathodes [red and blue]. The voltage at green cathode must be almost the same as other two.
Just check the green output transistor for open. If it is open, voltage at green cathode will be high. Also check the base voltge of the green output transistor. It should be around 2.5vDC. You can compare the base voltages of the other two transistors with green drive base voltage. If there is no base voltage, the fault should be in the matrix section. It is inside an Ic. Philips usually uses TDA series Ics in chroma section. Check the Ic pin voltages according to service manual and try to rectify the fault. It needs a technical knowledge and skill.

Oct 14, 2010 | Philips Magnavox 27MS343S 27" TV

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A green line is being display on the LCD display.


That is a faulty LCD panel, if it's under Warranty, then take it in for service, if not, I wouldn't bother as it is costly (but up to you)
Cheers.

Sep 30, 2009 | Cameras

1 Answer

No picture, status light flashes yellow


display comes on works 15 seconds no power just leds green

Sep 18, 2009 | Mitsubishi PD-5010 50 in. Plasma...

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Green is gone


try altering the external video equipment to give out composite or CVBS.

It currently maybe on RedGreenBlue mode, i.e all colours are being transmitted on a different wire. one signal path maybe faulty

Aug 05, 2008 | Sony FD Trinitron WEGA KV-29LS35 29" TV

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