I have a strange yellow/green quality in areas of the picture that is hard to explain. it looks like the slightly fuzzy shading you see in photos that sense body heat, if that makes sense. i thought it might be the cable signal but i plugged in a dvd and got the same thing. None of the adjustments (color, sharpness, hue, phase etc) change it.
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I have a Panasonic PZ700 it has started to have a red screen issue, other than that it works perfectly. Their is still blue, yellow, red & green, it's strange & a little bit differcult to explain. Simply way I can explain the tv has Red shading over 60% of the screen!
Can anyone explain what the fault is likely to be & cost please!
Procedures of acquiring high definition pixel quality
1.power on the computer wait until the desktop of icons display after booting has been completed
2. using the arrow of the mouse or pointer to an area on the desktop without icons, right click to display a prompt list
3. locate the appearance and setting prompt on the list.
4. a click to provide the options to increase the picture quality termed pixels
5. LCD monitors could produce several thousand pixels, select a choice nearly approapiate for reasons explained
a. the highest selection of picture quality provided on the list for a monitor powered by a separate computer with extremely dense graphics like known for modern gaming could cause monitor to blank out as precaution.
b. when selecting a picture quality from the list provided on the appearance settings area after a right click on the desktop, be sure about the compartibility of the monitor and computer unit, explained
c. most modern retail provide system units with higest definition pixel capabilites for several funcitons as gaming graphic and design, connect such a unit to an old monitor would display low quality definition pictures. However, that could be fixed by adjusting the appearance setting only with caution not to select the most highest available from the list of pixels.
The TVs produce picture using entirely different methods. Usually the colors and especially level of black color are better on plasma, LCD will have some trouble various shades of gray and black especially shading on peoples faces etc.. This is not a defect in the LCD just a limitation in current technology.
This is no solution but a point in a probable direction.
A tech guy told me ALL the LCDs they have seen in their repair shop have "swollen" capacitors, this is due to voltage instability. Lowering the internal voltage regulator and replacing the swollen capacitors (which eliminate noise) apparently restores the LCD to new working quality. Without actually "seeing" my problem the tech said that should repair it. I have not tried this yet but eventually will begin that way.
The problem with the set is that the blue gun has gone weak, and not emitting at par with red and green guns in your picture tube. Turn of the blue screen and get the grainy display on the screen (detach the cable) and enter into service mode to fine tune until you get a perfect or black and white grain pattern.
Hi! Guy, This sounds like the G2 may not be properly adjusted, providing too much beam current. This will some times cause feather edging, or lighter than normal raster on some scenes. This set should be serviced by a qualified service tech.
it sounds as if there are speakers to close to the tv or the built in speakers are not magnetically sheilded properly (maufacturer defect) if u have or have ever had speakers on the left and right side of your tv then the magnets in them will discolor and distort the screen. sometimes even long after the speakers have been moved away from the tv it will still look that way. you may try going to the library( or online )and looking in tv repair books on how to build a homade degauser unless your tv has that feature built into it in the menu somewhere like some computer monitors do. I had placed the front speaker of a 5.1 surround sound system on top my tv and it cuased that same problem, but i found out that by placing a small round magnet with a hole in the center on top of the tv (after removing the speaker for good) right where the discoloration was.. had to flip it one side or the other to get proper effect...it immediatly took away most of the discoloration and over time it disappeared. I hope this helps. Please email me at [email protected] as to your conclusion in case it will help others. thanks, Adam
Sounds like your red picture tube is not emitting enough brightness to balance the colors. A temporary solution could be to slightly increase the screen voltage of the red CRT to give a good black and white picture when the color control is turned all the way down. If the set has not been serviced in the last 5 years or so, and you're not ready for a new HDTV set, it may be worthwhile to get a technican to look at it and clean the dust off the lenses and mirror and evaluate whether a picture tube rejuvination might work along with the gray scale tracking adjustments.