Question about Sharp Televison & Video

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I have a sharp tv. the problem is the display has no color. the green red yellow color is not present. the raster is red and black instead of black and white. i already re-solder the jungle ic.

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  • Sharp Master
  • 74,383 Answers

Try a reset to this TV first. If it do not help you, contact any service technician. Its video output section circuit should be checked. Technically this fault is called "One color predominant screen". If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight; will be better.

Posted on Dec 09, 2014

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6ya6ya
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Posted on Jan 02, 2017

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tvtek
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SOURCE: Yellow image

Could be many things that cause a loss of blue, CRT, Video output IC, driver transistors, etc..

Posted on Feb 01, 2007

likha
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SOURCE: sony trinitron power will not come on sometimes

Hi

Can you give to me your diagnose test result..

Thanks!

Posted on Mar 06, 2009

  • 55 Answers

SOURCE: sharp 32'' tv -no raster showing channel numbers only

since you have sound and display it's not the hivoltage. You're electron guns are not being turned on. Most likely the IC which biases the guns or the IC which contains the biasing resistors.

Posted on Mar 09, 2009

  • 700 Answers

SOURCE: DVD plugged into red, white and green(Yellow) TV imputs, results

Yeah no color coz its black and white. Color coding commonly yellow wire for video, red and white wire for audio. It should also be from DVD to TV, video out and audio out going to video in and audio in. And switch the TV to play video and the audio inputted. Maybe TV/Video Switch or button.

Hope it helps

Posted on Apr 08, 2009

EDY69
  • 11 Answers

SOURCE: Sharp 36in no color, suddenly black and white.

Chroma IC problem

Posted on Jan 08, 2010

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1 Answer

Sharp tv troubleshooting


You are probably talking about a composite video(yellow) cable and stereo audio(white/red).You must have plugged the yellow cable into the port for one of the component video(red/blue/green) cables.(It does look like black and white if you plugged it into the green of the composite video).

May 25, 2013 | Sharp LC-60LE640U 60 Inch 1080p 120Hz LED...

1 Answer

Need to know how to connect to tv it comes on but in black and white


If you're using composite video cables (red/white/yellow) but your TV doesn't have a yellow jack to plug into, plug the yellow cable into the green "Y" plug instead. If there is more than one set of video jacks on your TV, make sure you're using the first set, usually labeled "Video 1" or "Component 1". If it still comes up in black and white after all that, you may need to look in your TV's settings menu to see if there's an option to change the settings for that port from Component to Composite.

If you're using component video cables (red/white & red/blue/green) make sure the cables are all plugged in to the proper color-coded ports on the TV. Mixing up the video cables can cause the image to show up in black and white

May 12, 2012 | Video Game Consoles & Games

1 Answer

Yellow raster on tv is cause by what?


Hello
Check the Blue video output transistor for loose solder. This transistor can be located at its video output card, usually pluged on to the neck of the picture tube. There is no blue output is now, only Red and green are there. The mixing of Red and Blue color, and absensce of blue color, causes the raster to appear as yellow. The fault is purlely with blue output transistor at the video output state of your tV. If there is no loose solder, just replace this transistor with same number. If loose solderings are found, resolder that points by applying a little more solder, without making any solder bridge short in between adjecent solder terminals.

Mar 04, 2012 | Televison & Video

1 Answer

Components are in black and white instead of color


Wrong connection. Hook up the component output from DVD player or Wii to TV component input using component cable(red, green and blue plug)

Dec 29, 2009 | LG Televison & Video

2 Answers

LCD TV Wii only displays black and white - no colour no sound


You have to option in LCD Source In-Put.All LCD Have this In-Put
Com posit-Yellow/Red/White (AV)
In LCD Select AV Mode After That Connect Yellow /Red/White as per color pin given in your LCD.
Component-Green/Blue/Red
If you have Component in put in your LCD than select from source component mode for Red/Blue/Green.

Dec 26, 2009 | LG 32LG30 32 in. LCD HDTV

1 Answer

Wii display black/ white only


I had this problem too. It was just because I had the wrong cord that goes from the Wii to the t.v. I had a green, blue, and red for the video. And a red and white for the audio, while my T.V. only took yellow for the video. I just went out and bought the right cord that instead of having green, blue, 2 reds, and a white, just had a yellow, red, and white.
Hope this helps.

Aug 23, 2009 | Nintendo Wii Console

2 Answers

Picture calibration settings for 42lg70


Picture Menu
Picture Mode: Expert1
*Backlight: 16
*Contrast: 83
*Brightness: 53
Sharpness: 50
*Color: 55
*Tint: 0
Expert Control
  • Fresh Contrast: Off
  • Noise Reduction: Medium
  • Gamma: Medium
  • Black Level: Low
  • Real Cinema: On
  • TruMotion: Low
  • Color Standard: HD (N/A w/HDMI)
  • White Balance: Warm
  • **Method: 10-Point IRE
    • 10 IRE
      • **Red: 1
      • **Green: 2
      • **Blue: -16
    • 20 IRE
      • **Red: -6
      • **Green: 0
      • **Blue: -7
    • 30 IRE
      • **Red: -5
      • **Green: 0
      • **Blue: -4
    • 40 IRE
      • **Red: -8
      • **Green: 0
      • **Blue: -4
    • 50 IRE
      • **Red: -4
      • **Green: 4
      • **Blue: -4
    • 60 IRE
      • **Red: -6
      • **Green: 6
      • **Blue: -5
    • 70 IRE
      • **Red: -8
      • **Green: 3
      • **Blue: -10
    • 80 IRE
      • **Red: -8
      • **Green: 7
      • **Blue: -16
    • 90 IRE
      • **Red: -9
      • **Green: 5
      • **Blue: -18
    • 100 IRE
      • **Red: -10
      • **Green: 4
      • **Blue: -9
Color Management System
  • Red Color: 0
  • Red Tint: 0
  • Green Color: 0
  • Green Tint: -15
  • Blue Color: 0
  • Blue Tint: 11
  • Yellow Color: 15
  • Yellow Tint: 2
  • Cyan Color: -15
  • Cyan Tint: 0
  • Magenta Color: 0
  • Magenta Tint: -1

lg70 nice tv excellent processor just to bad there is no intensity control on color management oh well still better than what the three s are pushing block out the hype lg will be number 1 in a few years haters are starting to come around and well leds coming,

p.s. i dont work for lg just tired of losers bashing stuff because they dont own it.
im isf certified those settings are right on the money straighter than a ruler

Oct 05, 2008 | Televison & Video

2 Answers

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

Sep 15, 2008 | LG 42LG50 42 in. LCD HDTV

1 Answer

Bad picture


Try to consider the following tips:

Smearing out of one or several colors, best seen in txt-mode, my 27CE4599/30R smeared out in red and green, not in blue, fully exchanging the drivers (input and output complete, otherwise the RGB driver will blank the crt) moved the fault to the other color
Replace the 180K feedback resistors in the amplifiers with normal 1/4W metal film instead of 1/8W, they can become open circuited (in mine both green and red were faulty in this way). Change all 3 and not just the defective ones, replace also all the paralleled 75K resistors per color (fe by 47K+27K) to prevent bright color raster (they can also become open circuit)

Nov 29, 2007 | Toshiba 55H70 55" Rear Projection...

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