I have found that just cleaning the head with the tape cleaner (the wet one works best) I have to clean it at least 4 or 5 times in a row sometimes before the picture will come back on. I bet that'll work for you.
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You need to clean the video head. Though you can buy a tape head cleaner tape, it's much better to take the top cover off and spray the head with Servisol Video 40. Make certain it's dry before putting a tape in.
a common problem is rental videos that have been damaged in the first few feet of the tape by some other vcr's defective drive mechanism that "eats"the tape..What happens is the particles of the damaged tape clog the video heads in your machine,which have gaps in the millionths of an inch.Put a brand new tape in the machine and let it play for a half hour or so and it will usually clear itself.If that does not do it,insert a head clening tape and a couple drops of cleaning fluid and run it through.The newer machines will show a blue screen if there is no video information present.However,if you put it on forward search,it overrides that feature and you will see a snowy picture from a good tape,if one video head is clogged and the other is working.There are 2 video heads on a rotating head.it spins at 1800rpm and that is the whirring sound you hear when play is pressed.If both heads are clogged,you will see a snowy screen and no picture at all.A 4 head machine has 2 heads for slp or 2 hour speed and the other 2 heads are used for lp and slp.A hifi vcr has 2 more heads,which are used for the hifi audio,a total of 6 heads.The stationary playback head has a control signal for tape speed,and regular audio,mono or stereo.
yes, this is what happens to analog tape...it gets corroded because it was not stored in a cool spot...your vcr heads are cleaned that is why u still hear the audio...(video will go first all the time)...but if you play it all the way through once a twice (see if you can save it ...dvd)
I’ve never had much luck with tape cleaners. I found that you can use acetone. You can buy it in any hardware or k-mart,walmart. Open the VCR up and find the big chrome cylinder that spins. It has the heads on it. There little windows on the cylinder. Clean them with the acetone. Use just enough acetone to wet the foam and rub the heads lightly. There is sometimes 2 to 4 heads on the cylinder. Let dry for about 5 to 10 min’s then play a tape. If still not a good picture, clean again. Sometimes if takes more than one cleaning. Hope this is helpful.
This type of problem may be caused by a dirty video head, people some time try to adjust tracking to take care of this problem this is a mistake. Now to clear up this issue first you put the tracking control mid way in its setting, then you clean the heads of the VCR you can use a head cleaning tape (follow the instructions on the cleaning tape box)for this or if you have experience you use a chamois swab type cleaner (follow the instructions on the package of swabs and liquid cleaner). one the heads are cleaned you acn then try to adjust track to obtain the best picture. If you can not you may have video head problems or a problem in the drum motor (servo) mechanism. In which case I advise taking the unit to a TV repair shop.
One possibility is the tracking/audio head is dirty. Remove top cover of VCR, this head sits just to the right of the rotating video head. Use a cotton swab moistened with rubbing alcohol, or other video head cleaner and clean this head, especially the lower edge, as the tracking info is recorded along the lower edge of the tape (if memory serves).
Another possibility is a problem with tape travel past this head. If the tape is lifting or moving up or down, even slightly as it passes this head, tracking will be lost, hence your blue screen & bad audio. This could be observed by playing a tape with the VCR cover off.