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Old May 30th, 2006, 01:43 AM   #1
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Trouble with my GYHD-100UA

I have had my camera for almost 3 months and since I have owned it I have had numerous problems. I am wondering if I should send it back due to the fact that it might be defective. Please I would love to hear input from other owners to see if they experiance the same problems I do. First off I love the picture this camera produces, but I have been experiancing issues I have never experianced with my previous camera which was a Sony. I have experianced drop out in just about every tape I have used all some brand and top quality tape Sony Digital Master the same tape Andrew Young used in his madagascare footage. That being said, I just shot a some footage in Yosemite National Park and not only did I have some dropouts in only 20 minutes of footage, but I also experianced disruption between 35 percent of the video in my shots and then thiers the audio in almost every scene say about 80 percent, when I shoot a scene and start the next scene the audio takes about 1 second to show up with the scene I am shooting I very seldom get a smooth transition of video and especially audio in the scenes I shoot. What up with this, is this camera defective or what? Is anyone else having this kind of trouble? The pictures are awsome but this other stuff I have never experianced with any other camera I have owned and let me say before any of the feed back starts to come in, I have run a tape cleaner through my camera same brand Sony and I still get the same problems. I have even previewed each scene before the next to see if that would help, it dosen't. I love the pictures this camera produces and I don't want to send it back, but this can't be the norm for this camera so if anyone can help or give me some advise before I make a discission on what to due I would greatly appriciate it. Thanks in advance Gary Williams Vision Quest Productions
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Old May 30th, 2006, 04:04 AM   #2
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Have you tried different tape stock?
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Old May 30th, 2006, 05:58 AM   #3
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Quote:
Originally Posted by Brian Luce
Have you tried different tape stock?

Only sony tape and I would think that if Andrew Young can film 200 hrs of footage on the same tape that I am using and only have one dropout, then there has got to be something wrong with my camera wouldn't you think?
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Old May 30th, 2006, 05:59 AM   #4
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Quote:
Originally Posted by Gary Williams
I also experianced disruption between 35 percent of the video in my shots and then thiers the audio in almost every scene say about 80 percent, when I shoot a scene and start the next scene the audio takes about 1 second to show up with the scene I am shooting I very seldom get a smooth transition of video and especially audio in the scenes I shoot.
Hi Gary,

I'm not sure I understand what you mean. Are you saying there is no audio for the first second of many takes? It would also be great if you could describe what you mean when you say the transition is not smooth. In any case, it sounds to me like you should contact JVC.
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Old May 30th, 2006, 06:28 AM   #5
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Quote:
Originally Posted by Andrew Young
Hi Gary,

I'm not sure I understand what you mean. Are you saying there is no audio for the first second of many takes? It would also be great if you could describe what you mean when you say the transition is not smooth. In any case, it sounds to me like you should contact JVC.

Hi! Andrew, what I mean is when I shoot a scene and later shoot another one I turn the camera on set my settings for the scene put the camera in standby and shoot when ready. What I get is a scene that starts with noticeable audio missing just for a second or so then its fine, the audio is not immediate with the picture. I also get glitches between allot of the screen like lines of missing information accross the scene or an interuption in the picture usually at the start of a new scene, but have also seen it happen at the middle of a scene in addition to what I would call abnormal dropout blocks of missing information.
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Old May 30th, 2006, 06:42 AM   #6
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I have never had this kind of problem on any camera I have used in the past audio and video between clips were always together or matching, but not with this camera between my clips their are usually problems. I have also heard that if you fast forward a new tape and then rewind it that it may help but I never did that with any of my other cameras and sure I got drop outs once in a great while, but with this camera these things happen quite often. You didn't experiance any of this on your shoots did you?
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Old May 30th, 2006, 08:29 AM   #7
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Hi Gary,

I believe that what you are describing is the slight break in audio due to the GOP structure of the HDV recording. I think (and people, correct me if I am wrong) that it is quite normal and it happens because the stop happens in the middle of the GOP. I have it quite frequently too, it's a short delay in audio catching up to video. Not really a big deal because it's usually shorter than a second.

As for general dropouts, I am still watching it but I am experiencing more that I have ever had with other cameras. I also used to use SONY tapes exclusively but with this camera I started using the AMQ Panasonic tapes and there are still dropouts on every tape.
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Old May 30th, 2006, 09:34 AM   #8
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Service instructions

Hi Gary & Jim,

We highly recommend that the GY-HD100UA be used with the tape that was designed for it, the JVC MDV63PROHD tape. I have many customers using this tape with very reliable and high quality results. There are those who have had good results with other tapes as well, and there are those who have not. If you do change tape types, the camera should be cleaned well before starting with the new one. The JVC Pro HDV tapes, by the way, cost a good bit less than the Sony HDV tapes.

I recommend that you send your camera into JVC Pro service for evaluation/cleaning, and repair if needed. There may be some tape residue that's partially clogging a head. Or, maybe an alignment adjustment is needed. There are several things the techs will check.

Also: Very Important - Please send a sample tape with your camera, with note telling by time code, where some of the problems are. It's very important that our techs be able to see the problem as you are seeing it.

This link will show you the locations for the factory service centers. Choose the one for your area.

http://pro.jvc.com/prof/support/index.jsp

On this page, be sure to click on the link for the "Factory Service Request Form" and complete this form and send it in with your unit, along with your bill of sale.

Regards, Carl
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Old May 30th, 2006, 11:11 AM   #9
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I use Panasonic tapes for SD and the JVC tapes for HDV and had no problems.
I did noticed serous drop out when I played it back on my dvd player. That problem was solved by purchasing a new dvd player. Are you burning clips on a dvd to view on a TV?
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Old May 30th, 2006, 11:30 AM   #10
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Quote:
Originally Posted by Carl Hicks
Hi Gary & Jim,

We highly recommend that the GY-HD100UA be used with the tape that was designed for it, the JVC MDV63PROHD tape. I have many customers using this tape with very reliable and high quality results. There are those who have had good results with other tapes as well, and there are those who have not. If you do change tape types, the camera should be cleaned well before starting with the new one. The JVC Pro HDV tapes, by the way, cost a good bit less than the Sony HDV tapes.

I recommend that you send your camera into JVC Pro service for evaluation/cleaning, and repair if needed. There may be some tape residue that's partially clogging a head. Or, maybe an alignment adjustment is needed. There are several things the techs will check.

Also: Very Important - Please send a sample tape with your camera, with note telling by time code, where some of the problems are. It's very important that our techs be able to see the problem as you are seeing it.

This link will show you the locations for the factory service centers. Choose the one for your area.

http://pro.jvc.com/prof/support/index.jsp

On this page, be sure to click on the link for the "Factory Service Request Form" and complete this form and send it in with your unit, along with your bill of sale.

Regards, Carl
Thanks Carl I will take your advise and yes I have cleaned the heads and still the same problem not only with the picture but with the sound to. I know JVC would like everyone to use their tapes, but I only have about 3hr on this camera should not have needed to clean it yet. I did not mix tape brand either I use one brand and thats it. I know of several people using Sony tape with this camera even on this forum that get great results. If the camera is functioning properly it should not matter what tape I use as long as I stay with the same tape stock. Andrew Young or anyone else for that matter I would like to know if any of the problems I have experianced have been experianced by anyone else. If so did you solve the problem and how if not then I will assume it is a problem with my camera soley and send it in to get it fixed. Thanks again Carl for you input.
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Old May 30th, 2006, 11:30 AM   #11
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Sorry I hit the save twice.
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Old May 30th, 2006, 11:51 AM   #12
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Quote:
Originally Posted by Jiri Bakala
Hi Gary,

I believe that what you are describing is the slight break in audio due to the GOP structure of the HDV recording. I think (and people, correct me if I am wrong) that it is quite normal and it happens because the stop happens in the middle of the GOP. I have it quite frequently too, it's a short delay in audio catching up to video. Not really a big deal because it's usually shorter than a second.

As for general dropouts, I am still watching it but I am experiencing more that I have ever had with other cameras. I also used to use SONY tapes exclusively but with this camera I started using the AMQ Panasonic tapes and there are still dropouts on every tape.
Ok! if thats the case with the audio and yes it probably is less then a second, but still noticeable than I am OK with that I can always adjust or fix that in post, but I cant fix drop outs or disruptions in recording in the middle of a clip. So this may need to be fixed on my camera I dont think the kind of tape you use should matter as long as you stay with the same tape stock. I know that people have experianced tape problems with just about every tape out their even JVC Pro tape. The question remains is it once in a great while which I can live with or is it 5 or 6 times on one tape?

Last edited by Gary Williams; May 30th, 2006 at 03:07 PM.
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Old May 30th, 2006, 11:53 AM   #13
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Quote:
Originally Posted by Joe Bowey
I use Panasonic tapes for SD and the JVC tapes for HDV and had no problems.
I did noticed serous drop out when I played it back on my dvd player. That problem was solved by purchasing a new dvd player. Are you burning clips on a dvd to view on a TV?
No I am viewing my footage right out of the camera on a High Def LCD
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Old May 30th, 2006, 02:50 PM   #14
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I have 3 HD-100s and have experienced dropouts with almost every tape I have shot with all three. Sometimes 1 or 2 and sometimes more than 20 per tape. I have only ever used JVCs pro HDV tapestock and clean the heads religiously... then again, have had the same thing with my DV500 (using exclusively Panasonic pro tapestock) for 6 years.

Definitely more noticeable than back in my analog Betacam/Sony metal tape days... thought maybe more frequent hits might be due in part to the compression schemes used in DV & HDV. Never been happy about it but figured it came with the territory & have gotten used to getting multiples takes of anything crucial.
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Old May 30th, 2006, 03:09 PM   #15
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Quote:
Originally Posted by Dave Rochelle
I have 3 HD-100s and have experienced dropouts with almost every tape I have shot with all three. Sometimes 1 or 2 and sometimes more than 20 per tape. I have only ever used JVCs pro HDV tapestock and clean the heads religiously... then again, have had the same thing with my DV500 (using exclusively Panasonic pro tapestock) for 6 years.
Hi Dave,

This is not normal. Have you had the cameras checked out by a JVC Factory service facility? (Not a dealer service shop)
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