Question about Zenith A27A23W 27" TV

4 Answers

Color mostly green

My Zenith TV is several years old, but lately the color is going bad. The screen is mostly green tinted, and no matter what adjustments are done to the color, nothing seems to help. Not sure what part needs to be replaced, or even if repairing is a cost effective option.

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  • Anonymous Nov 06, 2007

    My tint is mostly red. green does not even show on the screen. Is there something I am missing?

  • anderzap7 Jun 22, 2008

    I have a Zenith SR3587DT tv and my color is green and I have a MBR3447Z remote and I can not alter the color what can I do? My address is anderzap7@verizon .net I have tryed to use the minue to color but the tv does not give me a choice to choose from what can I do?

  • boxation Jul 21, 2008

    Same as Melinda's problem, except my problem is red. No color gain controls inside the cabinet anywhere! I've been fooling with tv's all my 50 some years, but this is a first for me. Jim

    boxation@npgcable.com

  • hartlrp Dec 27, 2008

    I have the same/similar problem, except the color is in "spots" on the screen, and not the entire screen. There is a spot in the lower right corner (when looking at the tv) that is more red, and one in the center of the screen that is more red.

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4 Answers

Picture tube malfunction

Posted on Mar 01, 2008

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MINE IS DOING THE SAME THING! I looked in back and it showed VR"s for all 3 colors on the partial schematic. when i looked for them on the board there are marked spaces for the vr's but none are there. i guess it is now adjusted thru a service modew possibly using the remote can anyone help with the color adjustment proceedure (for tech)?

Posted on Feb 02, 2007

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I AGREE WITH MR TECHMAN, IN ADDITION TO THE SOLUTION SOMETIME OR MOST OF THE TIME THE PROBLEM IS ON THE CRT CIRCUIT SPECIALLY THE TRANSISTORS,,,HOPE THIS WILL HELP TKS...

Posted on Jul 27, 2006

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  • Master
  • 3,130 Answers

Sounds like tyo me that the picture tube is getting soft on ya!!. Its a common factor that occours with all tvs but mostly with zenith. A service tech might be able for a small fee rejuvinate the picture tube but theres never a warrantee with this type repair. Its not something a user should attemp to do as theres hi voltage inside this set even on the tube socket after its ubplugged for awhile. Seek the advise of a repair pro to see how bad the tube is. Good Luck

Posted on Jul 02, 2006

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Posted on Jan 02, 2017

techman
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SOURCE: Zenith 25" Color TV - Model A25A23W

Your problem is a bad connection on the CRT socket on the CRT driver board, a bad connection in the RGB driver supply from the video jungle IC or maybe even an intermittant Picture tube. the only way to tell would be to tap on the crt board while the sets playing with a non conductive insterment, and see if it changes. Now there is alot of HIGH VOLTAGE at this spot, so if you have no TV repoair experience Please stay safe and call in a pro to assist you. Good Luck Please dont forget to rate this thread.

Posted on Nov 12, 2006

  • 1 Answer

SOURCE: Problem with the color on my Zenith

picture tube need a picture tube reguvinator $1300

Posted on Dec 18, 2007

  • 9 Answers

SOURCE: rainbow screen, no color, tv fell over

ur tv needs to be degaused using a degausing wand or ring. mos def needs to be taken to a professional to be done.

Posted on Aug 04, 2010

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Picture settings



Colorimetre HCFR software
AVC HD 709 calibration disk
Spyder2 colorimeter (I know most prefer the Eye-One meters, but the Spyder2 was available from my job at no cost)

Here are the settings:

PS3 Blu-Ray player

Output Format (HDMI): Y Pb/Cb Pr/Cr (important!!! NOT RGB output)
BD 1080p 24hz Output (HDMI): On (this TV can reproduce video at 48hz for accurate 2:2 pulldown)
Y Pb/Cb Pr/Cr Super White (HDMI): On (not sure if this matters)

42LG50 Settings

Aspect Ratio: Set By Program (Personal Preference)
Picture Mode: Expert 1
Backlight: 50 (Personal Preference)
Contrast: 54
Brightness: 54
Sharpness: 40 (Personal Preference)
Color: 50
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 10 Point IRE

10 (-3,8,-16)
20 (15,24,-21)
30 (20,36,-22)
40 (3,19,-40)
50 (8,34,-41)
60 (10,50,-20)
70 (-5,50,-8)
80 (-16,50,18
90 (-14,50,30)
100 (-22,38,21)

Red Color: -3
Red Tint: 0
Green Color: 10
Green Tint: 0
Blue Color: 14
Blue Tint: 0
Yellow Color: 0
Yellow Tint: 1
Cyan Color: -11
Cyan Tint: 0
Magenta Color: 0
Magenta Tint: -2

Take time to get used to the settings, you may think the screen looks dull at first. The truth is most people have way too much contrast on their TVs.
These settings will also work for Cable or Dish hookups, in which case you may change the Noise Reduction option to Medium to reduce signal noise.

OR....

2POINT IRE

Backlight: 65
Contrast: 55
Brightness: 45
Sharpness: 50
Color: 45
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 2 Point

Red Color: 3
Red Tint: 0
Green Color: 9
Green Tint: 2
Blue Color: -1
Blue Tint: 0
Yellow Color: 6
Yellow Tint: 5
Cyan Color: -1
Cyan Tint: 1
Magenta Color: 2
Magenta Tint: -1

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