When recording on my RCA 617 all seems to be working well, however, on play back the picture is not stable and it rolls constantly. Will cleaning the heads help this problem. I have tried different tapes and the rolling occurs on the camcorder and when played back on a tv.
On play back after recording the picture rolls. Will not hold steady. If a pre recorded tape is played the picture is fine. Help
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Re: Picture rolls on playback
I beg to differ that the head is dirty. This is based on your post "...pre recorded tape is played the picture is fine..."
I am more inclined to suspect:
servo calibration. This would be the capstan motor controller. The recording speed slightly differs with the playback speed. You could try manually adjusting the tracking control and see if it corrects the problem;
recording speed selection, LP, SP, EP/SLP. try recording at the lowest speed LP;
video source, possibly of a different color system, PAL, SECAM, NTSC.
Hope this be of initial help/idea. Pls post back what is your video source, how things turned up or should you need additional information.
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The only real cure will be to clean the video head. If that doesn't work then I'm afraid that whatever recorded you EP mode tape was not set up well tracking wise. So other machines struggle to track the tape. Some VCR's will only playback SP or LP tapes and don't have EP mode. In which case you should check to see if these VCR's can play the EP tape and if they can't find one that can.
Picture roll is caused by the frame rate being out of sync with the play back device. If the tape was recorded at say 25 f/m and is being played back at 26f/m. If you can, adjust the frame rate until the picture stands still.
do the heads need cleaning? sounds like the heads are seriously out of alignment? take off the vcr cover get a philip scrdrv. put tape in. and play. theres an AC head just to the right of the drumhead. jiggle it around gently. u may have to adjust those 3 screws (precison) to put it back in proper adjustmant. also take the tapes u used in that vcr. open the top flap and inspect. are there marks? is there a line going the bottom portion of the tape. if so , it definitely is out of alignment.
When connecting VCR to TV. Verify all connections. First if the connection is with coaxial cable make sure you signal from outside is screwed to the cable input on VCR. Then the VCR/TV output has the cable running to TV input. If hooking up with RCA cables , which is the yellow, red, and white cables. Hook one side up to VCR output. Yellow for Video, while red/white to audio output matching the colors. The same is done to the Television input. yellow for video, red/white for audio. Do a test recording. Use a blank tape, not one already recorded on. Record about 5 minutes Stop recording , rewind and playback. You should see the difference.
1. Set tv to channel 4
2. insert a pre-recorded tape into vcr.
3.press play once to start playback.
4. after a few seconds press play on the vcr for 3 sec you will see a playback picture.
when a picture doesn't appear on the tv screen repeat step 4.
5. press stop to stop playback.
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
well, seems like your vcr is attached to your tv by the antenna cable which you need to program to get it to record. but he is an easy way to record and you will get a perfect sound and picture.
Well, you need an RCA cables. you either have rca cables or scart plug. either on will do the job. you need to take the audio and picture cable OUT source of your channels IN to the vcr. now, OUT of the vcr IN to your tv. on the vcr you should change the channel to either AV or LINE..then you will get sound and picture. let me know how it goes