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#1
12-18-2005, 02:00 AM
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dvd - stinking retrace lines
I have played my really old laserdisc player on my old tvs before and never had a problem, so tried my Sony dvd player with Revenge of the Sith on my ctc-10 tonight and get these stupid 'data' lines. (see pic) Tried other discs, same thing. They appear for 15 seconds, then fade away for 5 seconds, etc etc. They only appear if a disc is playing, not when the player is in screensaver mode. And when they are on screen they give me a nasty sound buzz too. The picture and sound are gorgeous if not for these damn lines. If I turn the contrast waaaay down they almost go away... but then so does the picture quality!
I'm running the dvd signals thru rca cables into a little ac/powered video-to-rf gizmo and a coax from that to the tv's antenna splitter. Am I stuck with this? Would maybe a different player not do this, like maybe an older one that has a coax output on it? I know this happens on certain broadcast channels but thought it didn't happen with dvds. thanks! Last edited by frenchy; 12-18-2005 at 02:08 AM. 
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#2
12-18-2005, 02:47 AM
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I poked around and apparently it's the Macrovision on the dvds that is the culprit... plus I remembered I had a computer-made copy of a movie that my bro-in-law made for me, and it didn't have the lines, looked fantastic. So sounds like to eliminate it I would have to make copies the way he did on my own computer (I haven't tried doing that yet), I'll find out how he did it. In the words of Emily Latella, "Never mind"!
Frenchy
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#3
12-18-2005, 06:10 AM
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Yes I get the same results with my DVD's that have the copy protection on them... but I think my set dispays about half what yours is displaying. If you have any DVDs that arent copy protected, they will play fine without the lines.
Making copies of the DVD will help. You can leave the protection program off the copy and it will play without the lines. A friend of mine burned some DVDs for me and threw out the protection program... worked like a champ for my set.
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Charlie Trahan He who dies with the most toys still dies.
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#4
12-18-2005, 07:12 AM
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I really don't like those retrace lines either. I have found that if you adjust the vert. hold, you can sometimes get them down to just 2 or 3 at the top of the screen. A while back I put up a modification to an electrostatic Motorola set (under "how can I tell if my 7JP4 is dead?" - in the B&W forum) which gets rid of these lines on those sets. It worked on my TS-4J. But most of the time I just wind up watching these "bad" DVDs on my Zenith System 3, as the 7JP4 in my Motorola is weak.
I mostly like to watch old TV shows on DVD on my old TVs, and at least so far most of these have been free of the dreaded retrace lines. Can you tell from the box if a DVD has the copy protection or not, I would like to avoid picking up anymore of these DVDs if I could. Last edited by Adam; 12-18-2005 at 07:16 AM.
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#5
12-18-2005, 07:21 AM
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Quote:
Tom PS: That's a nice El Camino, Adam.
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Tom 
Last edited by OvenMaster; 12-18-2005 at 07:27 AM.
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#6
12-18-2005, 08:14 AM
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Well I recently bought my Wife a DVD/VHS recorder that was to allow my wife to convert all her old VHS tapes to DVD so we can save a little storage space around here. It works fine on tapes that don't have Macrovision encoded on them, but we found that only about one out of 10 tapes don't use the Macrovision copy protection. I did some research via goggle and as best I can determine Macrovision is pretty standard on most all VHS AND DVD commerical media regardless if it is maked such or not. That means on DVD disks there is digital copy protection (which seems to be breakable on PCs with the 'right' ripping software) and Macrovision copy protection to prevent making analog copies of DVD disks. To be fair to the new recorder it was clearly marked on the box and the manual that it would not record Macrovision encoded tapes.
Anyway I've ordered but not received a video stabilizer that is suppose to clean up the blanking/retrace pulse in any Macrovision encoded signal. Then I should be able to copy VHS/DVD from a upstream player into the new recorder via it's RCA video/audio input. I'll post the results after I receive the device if any one is interested. http://www.checkhere22.com/stabilizer.html Lefty
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Lefty: Cables? I don't got to show you no stinkin' cables 038° 00' 58.68" -122° 15' 39.54" 134.84 ft Last edited by Lefty; 12-18-2005 at 08:18 AM.
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#7
12-18-2005, 09:31 AM
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problem with sync pedistal
when the vcr first came out we had similar problems because the sync pulse generated on the vcr were lower than the old tube sets could handle, try using a video amplifier to boost the video level, the macrovision shouldn't really have any effect. I can still copy any movie on my beta-max.
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[IMG]
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#8
12-20-2005, 07:08 AM
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Quote:
Speaking of which, my new (to me) Sony widescreen telly seems to have issues with Macrovision-encoded VHS tapes, despite the video being connected directly to the TV by a short (<1m) SCART (AV) cable. Real pain in the arse...
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__________________ Make your choice, adventurous Stranger; Strike the bell and bide the danger Or wonder, till it drives you mad, What would have followed if you had
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#9
12-21-2005, 07:24 AM
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Quote:
If I ever stop using my computer as a DVD player, and get a regular one, I might try one off that list too.
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#10
12-18-2005, 02:13 PM
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<<<Anyway I've ordered but not received a video stabilizer that is suppose to clean up the blanking/retrace pulse in any Macrovision encoded signal. >>>
Yes please report what it does to protected dvds Macrovision lines, maybe I can get this thing and not have to burn a bunch of dvds! thanks
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#12
12-28-2005, 03:20 PM
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Quote:
Well the device arrived within 4 days of ordering. It seems to work just fine as a Macrovision remover. Installation is quick and simple as the unit is powered from an internal 9 volt battery that auto senses when a video signal is active on it's input. Suppost to be 2000 hr battery life. So I have been copying both old commercial VHS tape and a few commercial DVDs just to see that it worked, and none have failed to copy. Now this allows only analog copying which is no big deal when dealing with less then outstanding quality of VHS tapes, however I suspect the DVD to DVD via analog losses some resolution, but is fine for my purposes which was to find a way to get rid of hundreds of VHS tape taking up so much room. Lefty
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Lefty: Cables? I don't got to show you no stinkin' cables 038° 00' 58.68" -122° 15' 39.54" 134.84 ft
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#14
12-28-2005, 09:04 PM
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For $59, I'll try classic tube antenna amp first, usually avail cheaper too.
Linky http://cgi.ebay.com/GE-Power-Signal-...QQcmdZViewItem I just bought antenna booster normally sells at Rat Shack for $34.95, I hesitated since price was high. Just bought it now for $5.95!! Check these out, exact same as sold at store, much lower price. 
Last edited by vintagecollect; 12-28-2005 at 09:45 PM.
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#15
01-02-2006, 12:42 PM
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In the UK Vintage Radio Repair and Restoration Discussion Forum there is a thread dealing with the same question: Watching TV on vintage sets...
http://www.vintage-radio.net/forum/s...ead.php?t=6753
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