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#406396 - 03/11/09 07:13 PM
Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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I got a great Toshiba monitor today. It's not billed as a television. It has 3 sets of RCA inputs (and matching outs) a cable in. Actual UHF antenna connection points and the thing powers external speakers.
It's a Toshiba FST Blackstripe 27". I'll provide the model number but I doubt that will help.
What I want to know is if there is any obvious solution to this problem: cable works fine, my VCR works fine but for some reason my DVD player causes the vertical hold to go wild.
So, if I play a DVD every 5-10 minutes the picture slowly scrolls down/upwards across the screen.
This isn't a gigantic issue considering my former television was a Commodore monitor that I salvaged from a jerk off booth in a porn shop.
I just want to know if any of you have advice on fixing the vertical scrolling.
Next step is to put the DVD inputs through the VCR but I can't imagine that would change the signal.
Any ideas?
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#406398 - 03/11/09 08:02 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 09/23/04
Posts: 10321
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I agree with LouCypher 100% about conversions. It's odd that you're more balanced here than there. I think it's because you aren't concerned about self censoring.
And my suggestion is to run it thru your VCR just don't get mad when it doesn't show up in HD.
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#406399 - 03/11/09 08:15 PM
Re: Tech Question: Vertical Hold on an older CRT
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Gag Factor Guru
Porn Jesus
Registered: 07/15/05
Posts: 5290
Loc: Dayton
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I'd only try running through the VCR if you have to have the VCR power on to do it, in other words, if the signal will be sent through an amplifier stage.
This sounds funny, but you might open 'er up if it isn't too hard, blow things out, and look to see if there is any obvious problem with one of the capacitors. It sounds like somebody is changing when they get hot. Does this continue when it starts, or is it just intermittent? That would be a clue if it is a thermal thing or not.
There may be some variable inductance you can play with in there, they will likely be tall, square components with provision for turning a slot on top with a tiny screwdriver. You may be able to move an active component into a more stable part of its operating curve that way, but how do you tell, unless you have him on a scope? Wish you were here.
Having said all that, I'd smack it first, just to knock any crud off the components. Lots of times, ya' get lucky that way.
-Chuck, Vegetarian fanboy
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#406401 - 03/11/09 08:40 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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I would like to kindly thank everyone who has responded thus far.
I have tried connecting the DVD player through the VCR and had the same issues. This monitor has some kind of automatic brightness control which makes sense if you use it as a surveillance monitor as it was intended.
Here are some photos:
NOTE: the button ABC does a sort of Automatic Brightness Correction. It plays hell with subtitles and the brightness changes every few seconds. It's off.
The button near the RCAs on the front says Multi-CH-S and it changes the sound configuration from mono to stereo and then to a third stereo mode that I don't understand yet.
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#406402 - 03/11/09 08:46 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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And I'll take pictures of my jerk off booth monitor (I actually know it's back story) if anyone wants to see a badly tobacco stained old computer screen.
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#406403 - 03/11/09 08:53 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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Sorry for all the replies but it's my damn thread. Quote:
It's odd that you're more balanced here than there. I think it's because you aren't concerned about self censoring.
It's more like I have been self censoring here.
I know that people will flame me for posting boring stuff so I just don't post anything I don't feel sure about.
I get along well with both you and Lou because it can be quite fun and refreshing to just sit and stare. Or point and laugh and fling dung. No matter what I end up being friendly with posters who genuinely try to add content or be entertaining.
Carry on.
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#406404 - 03/11/09 09:17 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 09/23/04
Posts: 10321
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Well don't misunderstand this- I get along just fine with Lou. There is no friction there at all.
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#406405 - 03/12/09 12:29 AM
Re: Tech Question: Vertical Hold on an older CRT
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AC Cream Wannabe
Registered: 03/14/06
Posts: 589
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Quote:
cable works fine, my VCR works fine but for some reason my DVD player causes the vertical hold to go wild.
...
So, if I play a DVD every 5-10 minutes the picture slowly scrolls down/upwards across the screen.
This (and your brightness issues) sound like symptoms of Macrovision going overboard, as detected and displayed by the TV. I can't speak for why the VCR isn't causing the same symptoms, but it seems as though the TV is receiving something from the DVD player (when connected directly, or shunted through the VCR) that the VCR itself isn't putting out as of yet.
What you're describing matches exactly what I've seen several years back when people were trying to copy rented movies from one VCR to another, and then tried to play back the copy on their TV.
As a test, try putting an original copy of a Disney VHS tape into the VCR, connecting RCA cables from the VCR to the TV, and watching what the TV does during playback. Disney VHS tapes were famous for containing tons of copy protection signals embedded on them. The point of this test is to see whether known copy-protection-heavy tapes make your TV do the same thing the DVD is doing now. For consistency's sake, you should also run the VCR's RCA cables through the same inputs on the TV as you have been using for the DVD player.
If this is indeed your problem, there are little boxes you can buy that sit between an AV source (VCR, DVD player) that strip out the Macrovision signal. Some are called "video stabilizers", other devices that will do the same job are "time based correctors".
More info here...
I see several different boxes on eBay ranging between $20 and $200 US$. The cheapest fix for you may be to try different DVD players or other RCA video output sources, if you want to keep the TV.
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#406406 - 03/12/09 03:00 AM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Fucking Master
Registered: 11/04/05
Posts: 3509
Loc: Pit of Despair
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Hit it with a ball peen hammer and let the evil spirits out.
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Fap, Fap, Fap
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#406407 - 03/12/09 06:32 AM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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@duckduckgoose:
Thanks.
I'll look into finding a Disney movie when it stops snowing. There is a salvation army/goodwill near by which I'll have to check out because I'm positive I don't have any.
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#406409 - 03/12/09 12:20 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 12/28/07
Posts: 4856
Loc: The 4th International
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^^ And for a moment I thought you had evolved into a poster worth reading. Stupid me!
I have a 25 years old Philips TV. I hardly use it, so I see no reason to buy a new one.
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The only thing you got that I want, is your suffering.
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#406410 - 03/12/09 12:24 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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Fucking hell.
The TV I posted about last night died today. The front panel stopped working and even after I pried it off the buttons did nothing. It would power up but refused to turn off.
I'm disappointed.
It's not that I watch much television it's just that I love old tech. I had never had a TV that would power external speakers before...
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#406413 - 03/12/09 12:38 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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The tvs in jerk off booths, at least where I was working, had glass in front of the screens. The only remnant of it's old porno shop life is heavy smoke staining on the case.
And "salvaged" does not mean I bought it, more like I carried it home with me.
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#406417 - 03/12/09 07:02 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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I used to work in a video arcade, I know all about those capacitors.
One of my coworkers there invented a machine called The Dominator. It was a single use device consisting of capacitors, lots of batteries, wires, and a switch. The idea was to put it near something you wanted to dominate and turn it on...
As far as my television is concerned I put it outside and called someone who lives close by and deals with scrap metal and he came and picked it up.
Next up is attempting to buy a Sampo Tri-Screen from the guy upstairs. These things are really neat. I have no clue what I would use as a signal for the small screens but the thing is very cool looking in a "retro future" kind of way.
It is an absurdly overboard and over engineered piece of electronics and I want one in my house.
EDIT: Found a much better picture of the Sampo.
Edited by conquistador (03/12/09 07:24 PM)
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#406419 - 03/12/09 07:51 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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The guy who has it also has the remote!
We still get broadcast TV in Canada without buying one of those boxes. I'm watching TVO with bunny ears right now. I'm not sure that's what you mean but I have enough A/V junk around that I can get all three to work. Even if it's just so I can play Mario Bros. and Sonic the Hedgehog on the same television at once while watching Gag Factor.
I'll see about getting some pictures of it, it picks up radio as well and I can't remember which bands.
I'm under the impression that this style of TV was made for bars/social places so multiple football (for instance) games could be used at once.
There is hardly any information that I can find on the Tri-Screen but here is a link to the forum I stole the images from.
I think you have to register to see pictures.
AudioKarma "TV with 3 CRT's" thread
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#406420 - 03/13/09 09:19 AM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 09/23/04
Posts: 10321
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Get a couple of small security cameras and keep an eye on your domain al a Tony Montana.
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#406423 - 03/13/09 02:41 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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The hamsters would be drunk at all times if I let them.
Hamsters are (not joking) mostly liver. They prefer alcohol over water if given the choice.
Their natural behavior is to dig tunnels and store food. Their food ends up fermenting an they wander around Syria drunk as hell.
These days they are kept as pets because they are friendly animals and they are used in alcoholism research because they are nature's alcoholics.
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#406424 - 03/13/09 03:37 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 03/22/07
Posts: 5186
Loc: Joshua Tree National Park
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Speaking of pets Conq, it looks like you have got a stray following you around everywhere. I wouldn't keep him though. He looks mangy and his farts probably clear out a room faster than Stevie Why offering to show everyone his collection of He-Man, Master of the Universe action figures.
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I would eat Allie Sin's asshole until I got an emotion out of her.-Jerkules
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#406425 - 03/13/09 03:42 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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@tup:
Have you got any advice in regards to finding a proper home for my stray?
I am getting increasingly confused about why he is following me about.
Edited by conquistador (03/13/09 03:45 PM)
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#406426 - 03/13/09 03:46 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 03/22/07
Posts: 5186
Loc: Joshua Tree National Park
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Personally I would just tie him in a burlap sack and dump him in Lake Erie. Then again I'm not as sentimental toward pets as a lot of other people on this board. Maybe you can get Renfield to take him.
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I would eat Allie Sin's asshole until I got an emotion out of her.-Jerkules
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#406427 - 03/13/09 03:49 PM
Re: Tech Question: Vertical Hold on an older CRT
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Porn Jesus
Registered: 11/27/07
Posts: 4795
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Sadly, I doubt renfield would even want to take care of him.
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#406430 - 03/13/09 04:21 PM
Re: Tech Question: Vertical Hold on an older CRT
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@
Porn Jesus
Registered: 10/19/06
Posts: 9958
Loc: fortified
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So I caught you in the back of the head?.
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i just lock, load, and regret. - jamesn
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#406432 - 03/13/09 04:57 PM
Re: Tech Question: Vertical Hold on an older CRT
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Anonymous
Unregistered
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Quote:
So I caught you in the back of the head?.
Who sez LouCypher's dead? 
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#406434 - 03/14/09 12:05 AM
Re: Tech Question: Vertical Hold on an older CRT
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Whoremaster
Registered: 06/22/07
Posts: 2656
Loc: Polekatz, Rte 43
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C'mon Loucypher, you know I'd never go near one of those weekly "Obama Parties". Gunker and Elabortor were on their knees taking turns at Tritone's Obama stick, so it was one of them that got knicked. Ask Bla2000. He was in the corner going to town with a camera in one hand and his erection in the other. I understand that Charin was banned because of age discrimination after the first party on inaugeration night. It seems that his genitals resemble 2 walnuts in a sock.
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