Screen goes to black with a ghosting of the last moving image.
The problem we have is the screen is going to black with a ghosting of the last moving image. The non-moving image is pure black and white. the lamp is still lit and it is bright white, and we have sound for the channnel it is set on. I can turn off the tv by the remote or pull the plug because sometime the remote will not turn this off. when we turn it off we let it stay off for about one -two minutes, and the full HD image comes back. It may be fine for sometimes up to 2,3, or 4 hours, or sometimes we only get 1/2 hour, before it goes to black and white. I don't think this is a lamp problem because we're not getting the fast blink of the led's on the front panel. Appreciate any help thanks Steve
The problem we have is the screen is going to black and freezing (looks like black and white film negative). The lamp is still on, and sometimes there is sound and sometimes not. I cannot turn off the tv by the remote. Unit must be unplugged. The unit will come back on, and good image comes back. It may be fine for sometimes up to 2,3, or 4 hours, or sometimes we only get 1/2 hour, or perhaps only a couple of minutes before it goes to frozen black and white. There are no lights on the front panel - blinking or steady. - Bruce
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Sounds like it's either ghosting, or image persistance.
Ghosting on LCD monitors is usually caused by interference via the monitor cable. Try moving your monitor cable so that it doesn't pass near any other cables or electronic devices. If that helps, then position the cable away from the others perminantly or replace the cable with a "shielded" monitor cable.
Image persistance on an LCD can be caused by leaving it on with the same image for a very long time. The pixels don't exactly "burn-in" like on the old CRT monitors, but over time, they can develop a memory that causes them to change color slowly or incompletely. Prevention is best (turn the monitor off when not in use, or use a rotating screen saver.) But if it is already a problem, you do have a few options. You can turn it off for a long time, run a rotating screen saver for a long time, or display a solid white screen for a while. Another technique is to create a slideshow in the Windows screensaver with a solid white image and a solid black image (create them in MS Paint and save them where you can find them later.) Let it alternate between the white and black screens for a while and check to see improvements.
Tv have a convergence problems,it dead.Tv convergence board is dead.Require changing the 2 STK convergence ICS and some or all it resistors.To solved the tv convergence problems.Tries Websites like Tvrepairworld.com,Tvrepairkits.com to buy a convergencce kit.To replaced those convergence parts on the board.
Sounds like the VGA cable has gotten kinked. Try to hold the cable in the best position for color and if it lasts while your holding it, thats the problem. They can be a pain to replace, might be new monitor time or warranty.
50V500 ONLY GHOST: May be described as "Out of Convergence" but ghost is still attached to main image. CONDITION: A "ghost image" appearing to the left or right of images in the picture.Can be varying shades of a primary color (red, green, or blue) as well as gray.Can easily be seen in the 4 x 3 mode, at the edges of the picture. CORRECTION:
To correct the problem, please do as follows:
Access I2C Menu. (See page 57 of the Service Manual).
To enter the I2C Service Menu, with power off, (on the front control panel) press and hold the INPUT button. Then press the POWER button for two seconds. The following Service Menu will appear.
BEFORE CONTINUING: CONFIRM THAT THE R, G and B DRIVE ARE SET AT 40.
Be sure to press SELECT after each change to SAVE the new Data.
Using the Remote Control joy stick, scroll down to next page (see Figure 2) until LCD ADJUST is highlighted.
Move the joy stick to the right to cursor right once.The next page will appear with the word GHOST highlighted.
Cursor right again, and a white screen will appear with a BLACK SQUARE in the center, as in Figure 3.You will see LCD ADJUST, followed by “SHP” and a number (value).
If the unit is out of adjustment, you will see a gray ghost on either side of the black square. Move the joystick to the right or to the left until the ghost disappears. The number values will change up or down.
If the ghost adjustment is off with a lower value, there will be a ghost to the left of the square.
If the ghost adjustment is off with a higher value, there will be a ghost to the right of the square.
Once you get the square to look good without ghosts, press "SELECT" to save any data values that have been changed.
Press the "EXIT" button three times to return to normal picture.
the 12V is for speakers.. the 245bw takes regular 120V AC (same cord as your computer)
the buzzing is annoying, though. i don't know if it's a "feature" or just a side effect.. ie, if i could take the case off and poke around, i would. 4 times out of 5 it's some dumb piece of tin reverberating from a transformer or something..