With MiniDV tapes, the DVCam indicator ignites and the reading becomes jerked.
I got a BR-DV3000 5 months ago but since these last 2 months, when I insert a MiniDV tape, the DVCAM indicator ignites and the reading becomes jerked. At the beginning, that was only for certain tapes but now it does it for all tapes. I even tried to clean the heads with a cleanning cassete but in vain. What could I do?
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Re: With MiniDV tapes, the DVCam indicator ignites and...
It could be several things causing your problem. The video head may be worn, the tape guides may be out of alignment or you may have a mechanism problem keeping the tape from wrapping securely around the rotating drum. If you can use an oscilloscope, you should check the RF signal coming off the drum test point to see if it is clean, or if half the signal is missing (bad drum or video head) or not smooth (guides out of adjustment).
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If the problem only shows with Mini DV tapes, it can be a tape guide issue or a mchanism loading problem where the tape is not being properly "seated" into the tape mechanism. You will need to use an oscilloscope to look at the RF waveform coming off the tape to try and figure out where your problem is.
sounds like a defective cassette housing, but i have seen problems with jvc decks and camera when tdk or maxell tapes were used. the lids on these tapes seem to get stuck in the cassette housings in jvc equipment. jvc even recommends that tdk and maxell tapes be avoided.
When a VCR eats a tape, it can be cause by a couple things.
1. There is a rubber wheel called a "pincher wheel" that compresses the tape against the "capstan". The capstan is a shiny metal spindle connected to a motor. The pincher wheel can become worn and/or dirty (slick) from the oxide coating off of the tape. You can try cleaning the pincher wheel and capstan with alcohol or try using a re-grip solution on the pincher wheel. Last thing to do is replace the pincher wheel. Look to see that the pincher wheel is doing its job by pulling the tape through.
2. There is a small tire wheel called an idler tire. This tire pivots between the sending and pickup reels of the player. Its also used during fast forward & rewind as well as play. If the tire is worn, the tape won't be wound up as fast on the take-up reel as the sending reel during play. This means more tape is coming out of the cassette than can be wound up on the takeup reel. You can try using a re-grip solution on the idler tire or replace it.
Let me know if you need more information as to where to purchase these parts.
check the condition of the pinch roller. a bad pinch roller can cause this problem - a tape plays for several minutes, then has problems. what happens is the tape slowly moves up or down on the roller instead of traveling in a straight path. this is caused by the roller becoming worn or glazed and not being able to provide traction to pull the tape through.