Picture is jittery and voice is garbled with noise in background
After I have recorded a program and I want to playback the program the tape runs with a jittery picture and the voice cannot be understood. There is also a background noise.
Please help me solve this problem.
I've had my VCR/DVD player for a few months. It has worked beautifully until a few days ago when the constant vertical jumping during video playback began. I have twice tried a video head cleaning cassette and tried the +/- CH. button many, many times all to no avail. It's a JVC HR-XVC17 which I ordered with my Air Miles. I don't want to have to pack it up and mail it for warranty work. I can't afford a repair shop. Any help would be truly appreciated!
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Re: Picture is jittery and voice is garbled with noise...
It looks like you may have a servo or servo sync problem in either your recorder or your player. These are signs of such a problem. The circuitry that governs these function might be beginning to malfunction. Technically there is nothing that you can do in the way of repairing this unit you would have to have specialized equipment to trace down the source of the sync problem which is effecting your system. If you can not afford a repair shop right now I would suggest that you use your warranty and get it fixed. More than likely it is a problem with the servo IC or the sync oscillator circuitry.
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The video heads are dirty. Clean the heads and your picture should be fine. If a cleaning tape does not clear up the problem, try running a blank tape throught the unit from beginning to end in play mode.
It sounds like the taped program was recorded on a different speed. The other VCR that you are playing the taped program may not have the speed needed to play it correctly.
Next time when you record a program try to make sure you use a speed that will be compatible on both VCRs.
For example a tape that last 120 minutes, using the different speeds will give the following recording times.
SP means "Standard Play" >>>> 2 hours
LP means " Long Play" >>>>> 4 hours ELP means " Extra Long Play" 8 hours
Older VCRs have all the 3 speeds but newer ones only have SP and ELP.
Hope this helps.
Are you absolutely sure that it is receiving an audio signal?
What input are you using? Try recording using alternate inputs.
Audio part of a VCR is normally way more reliable than the video.
The exception is on high-end stereo types where they record the extra
audio signals using the video head cylinder in which case it can easily
Because the cable signal is OK, this eliminates the tuner as your
problem and leaves the power supply which is a common problem. It
is a switch mode type which often have trouble maintaining control of
its output voltages and produce trouble downstream in the video
circuitry. Either the power supply is failing which can be
wholesale replaced for about a $150, or something somewhere else is
failing and loading down the supply causing it to overwork.
Usually in this case, you can hear a whine noise if you listen close.
the speed in EP is differ from sp ,EP it is much slow then all quality would be less cause you are using less magnetic particles on the tape so here are many reasons for bad recording
first may be you have to clean video heads
or ,you have to clean the path of the tape in the recorder there are some metal guides that turnes with the tape to get it rounds the heads they may be dirty
or clean the capstain pinch roller and its metal roller that makes it run ( the capstain roller )
or you should have new heasd drum sir
Unit might be picking up 60 cycle hum or other electromagnetic field. Is VCR sitting on/under another piece of electronic equipment? If so, it could pick up such from the power supply circuitry of that other device. Try moving the VCR away from other equipment and see if the unwanted sound disappears.
I had the same problem recently with a Panasonic PV - V4521 which has worked for years for me. I tried everything including cleaning the heads with Q-Tips and pure alcohol. Nothing improved. I tried tape head cleaners. Nothing. So finally one day, as I was unscrewing the cables, this VCR fell down onto the bottom of my foot and drew blood. Now remember, I had been trying to fix this thing for at least 10 days.
So, I dragged it up and pounded the top of the VCR until the top caved in. Then, I opened my front door and tossed it so hard against the floor of my patio that pieces went flying everywhere. I gathered up the pieces and the twisted VCR, put it in a box, and tosses it real hard into the dumpster. It's fixed. I have no more problem with it.