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It is currently 03 May 2024, 01:09
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signofzeta
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Post subject: Re: Horizontal flickering lines - what are they? Posted: 28 May 2016, 21:30 |
Jedi Knight |
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Joined: 14 Jan 2010, 09:44 Posts: 6003 Location: Ann Arbor Has thanked: 1300 times Been thanked: 1114 times
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In "trick play" it's usually impossible to say if the field that's being digitized and doubled is the exact one in question. If you have one of the players that actually lets you pick the field (R7G was it?) I think you'd find it.
As for why it shows more on some players than others, there are many reasons. The dropout compensation circuit changes from player to player, as does the SNR. Even when two of the same model are compared...LD players are like guitars or pinball machines. No two are truely identical since there is just too much analog going on. Some players play through rot way better than others for example, in many cases where neither the status of the player or the condition would seem to indicate they were anything special. It might be a S201 with zero service history and an inch of dirt on top but somehow play straight through Eraser with no issues.
Now, I'm not sitting with you watching your setup in person so I can't say anything for sure, but if the phenomenon you are describing is the same one I've experienced so many times that I don't even notice it anymore, then it's totally normal and unfixable. It's a defect in the pressing, most likely not in the master. I bet you could find other copies of the same movie with the same black lines in the same spots if you collected enough of them.
_________________ All about LD care, inner sleeves, shrink wrap, etc.
https://youtu.be/b3O-vHpHRpM
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jeroen_v
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Post subject: Re: Horizontal flickering lines - what are they? Posted: 30 May 2016, 21:54 |
Shows curiousity |
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Joined: 06 May 2016, 15:51 Posts: 16 Location: Netherlands Has thanked: 0 time Been thanked: 0 time
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happycube wrote: A properly aligned tilt sensor and tracking can help with crosstalk in non-pathological cases - you'ld need the service manual and a pioneer reference disk (ggv1069), maybe even a scope, but if the disk is really bad it ain't going away. I missed your post regarding the sensors. Thanks for the info. Does anyone know a Pioneer service point or someone who can service a laserdisc player in the Netherlands?
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jeroen_v
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Post subject: Re: Horizontal flickering lines - what are they? Posted: 12 Jul 2020, 12:47 |
Shows curiousity |
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Joined: 06 May 2016, 15:51 Posts: 16 Location: Netherlands Has thanked: 0 time Been thanked: 0 time
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dvdhouse111 wrote: Jereon_v
Did you sort the issue with the 909? I have the same issues Unfortunately not... I did try the yellow screws inside the player. That did not help. In de meantime I bought another good 909 and kept the defective one for the parts.
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