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Re: VIDEO TAPE WHEN PLAYED WAVE AT THE TOP OF THE TV...
This is a common problem usually seen when playing copy protected tapes. The part of the picture affected is normally off the top of the screen. Sometimes the problem is also due to the VCR itself and differences in tapes. It's also possible for the TV itself to be causing this, although you would probably also notice this flag-waving (that's what it's called) on regular TV viewing if that were true.
Sometimes increasing the height of the picture can push the affected area off the top again. But this can also cause you to lose part of the picture you want. Also, the height adjustment may be difficult to find as it's not something normally used. On some TV's it's a small pot somewhere on the board, but most newer sets have electronic adjustments through a service menu that you need to know how to access.
I'd suggest trying another VCR first and play one of the tapes you know shows the trouble. That might be all it takes. Then consider trying to increase the picture height if it's just a small bit at the top of the screen.
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Does this happen when you are playing a video tape or just regular TV? It should not happen with DVDs. All I can say is the picture tube may be going bad, have the TV checked by a professional. Good luck to you!
Had problem checked by local outfit called "Circuit Pro"; their analysis was compatibility. Actual answer was that the Toshiba required a better quality input from "any" VHS source. I finally took a "less than perfect" VHS tape with me when I returned the Toshiba TV to the store and demonstrated the problem to one of the TV sales people. He played the VHS tape through a display VHS/DVD player to three different brands of TV. The picture was often "black screen" on a Toshiba, but was merely poor quality on the other two brands. I upgraded to a Sony KDL26M4000 from the Toshiba 26AV502U.
You need to bypass your A/V tuner for your video connections (if possible). Plug your video directly into the TV and audio into the tuner. This will also give you a cleaner signal/picture as it does not have to processed by your tuner BEFORE it goes to your tv. Think of it as cutting out the middle man. Your tuner is best left for powering your speaker and not controlling your video despite all of the available connections in the back of it.
I would also get rid of your VHS and cassette players as they are dead technology. Clean up your system and remove the clutter. This will lessen your chance of getting interference. Good luck!!
Take your connector with the 3 colors red,white & yellow and plug into VCR OUT.The
other end (w/ 3 plugs) goes into the INPUT on the back of the TV. Next insert a
VHS Tape & search the TV for input or a channel below #2 for
Cable#1,2,3 or AUV Channel.
In this case; Channel AUX #1
Shows / Plays Video w/ clear sound & picture.
Try adjusting the tracking on your VCR. This symptom would typically be caused by a slight tracking error in your VCR or video heads that need to be cleaned. Your Zenith TV may be a little more sensitive to video synchronization problems than your other TV is.
If VCR tracking adjustments have no effect on the symptom, then the problem could be in the TV, but I'll need more details to assist you with troubleshooting. For example, how do you connect the VCR to the TV?
It sounds like your cables are connceted ok, but what you neede to do is to be able the switch from one video mode to the other so lets go through the cable and vrc conncetions again just to make sure.
From your cable set top box connect your component video (RGB) video out to your TV (RGB) video in via the (RGB)cables.
From your VCR connect your composite video (yellow) out to your TV composite video in withe the composite video (yellow) cable.
From your VCR (Left & Right audio out)connect your left and right audio connections (White and Red) to the Audio in of the TV (Left and Right).
Whith this setup you should be able to use the TV to switch between the two A/V inputs using the remote control.
try to check your audio video chord check it if it is open. you didnt mention if your tv has video channel (tuner). if your tv video channel is o.k then the problem of your tv is in the video switcher inputs. in this case you need a service technician.