I just purchased the 42" Plasma PDP4225M and hooked it up correctly (using HDMI cable from my HD Cable Box and component cables from my DVD player). The picture is terrible from both the DVD and Cable box....it has green tinted lines and blotches all over the picture. When the screen goes black (like the split second when a program goes to commerical), you can see the green horizontal bars going across the entire screen all the way up and down the screen.Help!
I found the exact same issue...unhokked the composite board, problem went all away....had the same heat damage(looked like the board glazing was distorted), and everything is fine now. about 6 months since I fixed mine....local repair guys are clueless....
I have determined that mine had a problem with the composite input board. I was able to unhook the connections to this board inside the TV, after Akai, and the local repair guys couldn't figure it out....
The problem hasn't come back in a while, and since my setup is all HDMI/Component ins, I didn't affect me at all.
It looked like there was slight heat damage to the board, but not enough that it was caused by a design flaw, more like a manufacturing "accident".
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Is your cable box HD? It would be best for your tv. You can hook up a couple of ways depending on your receiver and tv in/out capabilities. You will always get best picture if you go directly from your cable box out to tv in. You should have capabilty to go HDMI out and perhaps Component out on your cable box. If you can't get hd receiver from cable company. Anyway, if you use HDMI, hook to HDMI out on receiver to HDMI in on tv. HDMI provides audio and video. You can also go componenet(red, blue, green) out from recevier to in on tv. I personally feel component gives you better picture but , doesn't carry audio. For that you need to get audio using either digital optical or, composite cables. You may have to set your HD on receiver through cable boxes menu. The last option is using composite cables(last choice, poorest picture and sound) yellow(video) and red, white(audio)
I found that since the Panasonic TH50PZ80U TV has only 2 HDMI ports on the back of the TV, the best solution for me was to use component (red, blue, green) cables to connect the Home Theatre to the TV. I suppose I/you could connect the home theatre to the HDMI port on the front panel, but I don't want cables hanging out the front of the TV (personal preference). Unfortunately, I am no longer able to use the VIERA Link functionality available by connecting all Panasonic components to each other using HDMI cables, but I feel it's a small price to pay for the incredible picture quality acheived by using the HDMI cable to connect the HD Cable Box to the TV. I may yet be able to control everything using the HD Cable Box remote, but I haven't gotten that far yet but I've got Comcast coming on Saturday and hopefully they can let me know if this is possible: let me know if you have a solution.
So here are the components and the cable types used to connect:
HD Cable Box to TV: HDMI cable & Optical Audio cable
Home Theatre to TV: Red, Blue & Green component cables
Well, first you might want to try another hdmi connection behind your TV.If it appears to have the same message,you need to check your TV setup and be sure the HDMI video is active. Secondly,go with the recommendation of the set top box.You will use component video cable to connect from your set top box component video output(Y PR PB) to your TV (Y PR PB) and see if that actually work.If so,just use the cable box for the time being and call your cable company for another cable box to replace this one! solutiondoct
I had the same problem and found that the ground wire outside where the cable companys box is was not even hooked up. It was just hanging there, once I hooked it up it went away. The cable company gave me the run around telling me it wasn't their fault. I now have Direct Tv.