Fudoh's ode to old display technology
Re: Fudoh's ode to old display technology
I think the the Hitachis are XGA instead of VGA. You should be aware of that, depending on the content you want to display.
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Re: Fudoh's ode to old display technology
XGA native indeed, but will take in VGA and even 15khz according to the manual!Fudoh wrote:I think the the Hitachis are XGA instead of VGA. You should be aware of that, depending on the content you want to display.
I'm mostly just hoping it doesn't have the weak blacks that the pdp-v402 suffers from.
Re: Fudoh's ode to old display technology
The blacks are visibly better than on the Pioneers, but you have to deal with the scaling if you input 15 or 31khz.
But all things aside, if they don't cost a fortune, I'd always pick up any 4:3 plasma screen I can find.
But all things aside, if they don't cost a fortune, I'd always pick up any 4:3 plasma screen I can find.
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Einzelherz
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Re: Fudoh's ode to old display technology
What should I be looking for in the cheap but serviceable RGB Scart to HDMI converters? Some lag is fine as it would just be for group saturn bomberman messing around mostly.
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Re: Fudoh's ode to old display technology
That's kind of where I was sitting with it. I was going to pick one up, but may be able to swing a deal on multiple which is why I figured I'd ask for some input. If it was just one, I'd have snatched it up and just found out for myself.Fudoh wrote:But all things aside, if they don't cost a fortune, I'd always pick up any 4:3 plasma screen I can find.
Thank you for your thoughts!
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Re: Fudoh's ode to old display technology
Sony KV-25DXR (KV-25XBR line), with RGB input (still need to make an adapter), and foot powered "remote" pedestal base!
Anybody have any info about this one? Operating manual? Service manual? (I have those for the 25XBR, but not this 25DXR).
Not much on the web but couple posts said things like how this is supposed to be higher-end than the XBR model, might be the first digital set? (which what exactly does "Digital" refer to anyway?). Has a"Home Management Helper" computer datebook that flashes reminders on the television screen for birthdays, appointments, etc (which is probably what the "Digital" refers to). Both the XBR and DXR seem to have "analog and digital (TTL) RGB connections" - which I was worried about this "digital" DXR model NOT being able to take analog RGB (only digital computer-type) which would majorly stink. I'll find out this weekend when I make a RGB cable for it.
https://www.youtube.com/watch?v=7m7cQp7 ... FC6ycC5UUA
Anybody have any info about this one? Operating manual? Service manual? (I have those for the 25XBR, but not this 25DXR).
Not much on the web but couple posts said things like how this is supposed to be higher-end than the XBR model, might be the first digital set? (which what exactly does "Digital" refer to anyway?). Has a"Home Management Helper" computer datebook that flashes reminders on the television screen for birthdays, appointments, etc (which is probably what the "Digital" refers to). Both the XBR and DXR seem to have "analog and digital (TTL) RGB connections" - which I was worried about this "digital" DXR model NOT being able to take analog RGB (only digital computer-type) which would majorly stink. I'll find out this weekend when I make a RGB cable for it.
https://www.youtube.com/watch?v=7m7cQp7 ... FC6ycC5UUA
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FinalBaton
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Re: Fudoh's ode to old display technology
^^^^^^^^^^^
Nice I didn't knew about this XDR version. Looks to be exact same as KV-25XBR(same tube, same chassis, same circuitry enhancements) but with the added feature you mentionned (that "home manager helper", etc).
If it is the same then it's a dope set (I love my KV-25XBR to bits, I play it every week). It truly is a KILLER rgb crt. giving a PVM-2530 a run for its money. Enjoy!
(btw : pretty cool that you got it with the stand!)
Nice I didn't knew about this XDR version. Looks to be exact same as KV-25XBR(same tube, same chassis, same circuitry enhancements) but with the added feature you mentionned (that "home manager helper", etc).
If it is the same then it's a dope set (I love my KV-25XBR to bits, I play it every week). It truly is a KILLER rgb crt. giving a PVM-2530 a run for its money. Enjoy!
(btw : pretty cool that you got it with the stand!)
-FM Synth & Black Metal-
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Re: Fudoh's ode to old display technology
Haha, those huge Buttons on the stand! I love it!
Re: Fudoh's ode to old display technology
First TV designed for alcoholics too wasted to stand or use a remote.
Strikers1945guy wrote:"Do we....eat chicken balls?!"
Re: Fudoh's ode to old display technology
I knew that thing must have been very old when I saw that Sony RGB Multi Input, plus the overall look and set up of the connections don't look very modern-like either, this is actually a TV from 1986.Dochartaigh wrote:
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maxtherabbit
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Re: Fudoh's ode to old display technology
Does that IDC RGB header actually work with digital RGBI as well? I know it works with regular analog RGB, but it does say "multi" on it...
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Re: Fudoh's ode to old display technology
I can't find the operation manual or service manual for this so who knows. The only tidbit I found was that sentence saying "analog and digital (TTL) RGB connections". I don't have any old 15khz PC systems to test it on, just older consoles with standard analog RGBS.maxtherabbit wrote:Does that IDC RGB header actually work with digital RGBI as well? I know it works with regular analog RGB, but it does say "multi" on it...
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Re: Fudoh's ode to old display technology
Now that's a cool old monitor! Would be great to see some footage/pictures of it in RGB action.
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FinalBaton
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Re: Fudoh's ode to old display technology
The KV-25XBR's Multi-input doesn't feature an intensity pin, but then again it was sold with an adapter and maybe that did the conversion.
The pinout is here on Nakedarthur's post about "how to make a cable for KV-25XBR" : http://wavebeam.blogspot.com/2017/08/ma ... 4-pin.html
I wonder if the 25DXR is any different. Maybe some of those ground pins are used for something else, there's just so many of 'em, they can't be all necessary
Here is the manual for KV-25XBR, if someone feels like digging in : https://www.manualslib.com/manual/85167 ... =10#manual
The pinout is here on Nakedarthur's post about "how to make a cable for KV-25XBR" : http://wavebeam.blogspot.com/2017/08/ma ... 4-pin.html
I wonder if the 25DXR is any different. Maybe some of those ground pins are used for something else, there's just so many of 'em, they can't be all necessary
Here is the manual for KV-25XBR, if someone feels like digging in : https://www.manualslib.com/manual/85167 ... =10#manual
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Re: Fudoh's ode to old display technology
FinalBaton wrote:The KV-25XBR's Multi-input doesn't feature an intensity pin, but then again it was sold with an adapter and maybe that did the conversion.
As for the DXR, I found this tidbit mentioning that the DXR was the digital capable version of the XBR, which is called the consumer version. https://groups.google.com/forum/#!topic ... fR5wKAXNgo
If this holds any weight, then it's probable that this DXR has the same TTL capabilities as the PVM-2030 and 2530. That would mean the pinout is different.
Edit: then again, I can't really find any evidence of this thing being hooked up to any TTL signals, and all pinouts of the PX-34 connector lack any mention of TTL or intensity signals. This link, page 34: https://manualzz.com/doc/1838046/hardware-book-v.1.1
Shows that there is a "mode select" at 21 and a "RGB / Normal" mode select at 33. I don't know what they'd be for, but it could control blanking and overlapping video signals. My PVM has a select bit to superimpose a text signal on top of a composite video feed, like that.
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FinalBaton
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Re: Fudoh's ode to old display technology
I may have found a more definitive answer : this chap who made cables for his KV-25XBR, mentions that the "mode select" pin is used to select between analog RGB and digital RGB
https://www.inwap.com/inwap/chez/kv25xbr.txt
looks like you were close, vol.2!
Wow so that means even the KV-25XBR supports RGBi ! I had no idea. that's pretty cool, I might try to hack together a cable for using RGBi on mine.
(if I figure out out to do it... would CGA's "intensity" pin go to Sony's "mode select" pin 21? or would it go instead to Sony's "RGB/Normal select" pin 33, with pin 21 being activated another way? or the reverse?)
https://www.inwap.com/inwap/chez/kv25xbr.txt
looks like you were close, vol.2!
Wow so that means even the KV-25XBR supports RGBi ! I had no idea. that's pretty cool, I might try to hack together a cable for using RGBi on mine.
(if I figure out out to do it... would CGA's "intensity" pin go to Sony's "mode select" pin 21? or would it go instead to Sony's "RGB/Normal select" pin 33, with pin 21 being activated another way? or the reverse?)
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Re: Fudoh's ode to old display technology
that stand looks cool with the buttons on the bottomDochartaigh wrote:Sony KV-25DXR (KV-25XBR line), with RGB input (still need to make an adapter), and foot powered "remote" pedestal base!
Anybody have any info about this one? Operating manual? Service manual? (I have those for the 25XBR, but not this 25DXR).
Not much on the web but couple posts said things like how this is supposed to be higher-end than the XBR model, might be the first digital set? (which what exactly does "Digital" refer to anyway?). Has a"Home Management Helper" computer datebook that flashes reminders on the television screen for birthdays, appointments, etc (which is probably what the "Digital" refers to). Both the XBR and DXR seem to have "analog and digital (TTL) RGB connections" - which I was worried about this "digital" DXR model NOT being able to take analog RGB (only digital computer-type) which would majorly stink. I'll find out this weekend when I make a RGB cable for it.
https://www.youtube.com/watch?v=7m7cQp7 ... FC6ycC5UUA
Re: Fudoh's ode to old display technology
So, I think that's the rub. There doesn't seem to be an intensity input based on what we have so far. Possible that it's adjusting the voltage expected on RGB to 5V TTL. I've seen many photos of these things hooked up up to 80's sony computers and MSX machines which are all analog RGB, but nothing to a CGA signal. Not sure if the SMC-70 output TTL or not, but I still think it's the most likely answer.FinalBaton wrote: (if I figure out out to do it... would CGA's "intensity" pin go to Sony's "mode select" pin 21? or would it go instead to Sony's "RGB/Normal select" pin 33, with pin 21 being activated another way? or the reverse?)
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Re: Fudoh's ode to old display technology
Vol.2, where have you seen all these pics from? I've been struggling to find anything meaningful online about these (but maybe because I was searching for the DXR not the XBR).vol.2 wrote:So, I think that's the rub. There doesn't seem to be an intensity input based on what we have so far. Possible that it's adjusting the voltage expected on RGB to 5V TTL. I've seen many photos of these things hooked up up to 80's sony computers and MSX machines which are all analog RGB, but nothing to a CGA signal. Not sure if the SMC-70 output TTL or not, but I still think it's the most likely answer.FinalBaton wrote: (if I figure out out to do it... would CGA's "intensity" pin go to Sony's "mode select" pin 21? or would it go instead to Sony's "RGB/Normal select" pin 33, with pin 21 being activated another way? or the reverse?)
There was actually a special add-on box for these for computer use - Sony PC-701 RGB interface adapter - that might have what you all are ~2000 Win98 machine
I'm going to make a regular RGBS adapter following these directions: http://wavebeam.blogspot.com/2017/08/ma ... 4-pin.html
Should hopefully be able to get it to work. I've built a PVM-2030 cable from scratch, and a Seleco SV300 9-pin just by guessing (randomly) the pins since there was no pin-out available, so I'll be able to get this one working hopefully.
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FinalBaton
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Re: Fudoh's ode to old display technology
No doubt you'll be able to make that cable, it's real easy. I had never made a cable before and was able to succesfully made that one for my 25XBRDochartaigh wrote:I'm going to make a regular RGBS adapter following these directions: http://wavebeam.blogspot.com/2017/08/ma ... 4-pin.html
Should hopefully be able to get it to work. I've built a PVM-2030 cable from scratch, and a Seleco SV300 9-pin just by guessing (randomly) the pins since there was no pin-out available, so I'll be able to get this one working hopefully.
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Re: Fudoh's ode to old display technology
This is my project for the weekend: the first image is from the 25DXR Service Manual – seems to be identical to the 25XBR unless I'm missing something. My beautiful work of art below that is where I'm going to solder in Red, Green, Blue, and Sync BNC's for RGBS, and 2x RCA's for L/R Audio.
Can somebody more well-versed in this check if it's right? Couple of the DIY posts mention about the pin numbers being switched on floppy disk cables, but I'm literally going to ignore how the floppy cable is labeled, and simply look at the back of the TV like the manual says and use those pins (so looking at the back of the TV, top-left is pin 34, bottom right is 1 –– exactly like the diagram says), then just trace back which wire that is on the floppy disk cable itself and I should be good.
To turn Audio on, I just have to twist together (and solder) 34 and 1, right?
What about pin 33 which says "RGB/NORMAL mode select" that wasn't mentioned in the tutorial so I assume I don't have to worry about that?
The manual also says that the R, G, B, Sync + their individual grounds should "use a twisted-pair lead", so that means I should just give those pairs of wires a couple twists (like 4 or 5?) before soldering them in place, right?
Can somebody more well-versed in this check if it's right? Couple of the DIY posts mention about the pin numbers being switched on floppy disk cables, but I'm literally going to ignore how the floppy cable is labeled, and simply look at the back of the TV like the manual says and use those pins (so looking at the back of the TV, top-left is pin 34, bottom right is 1 –– exactly like the diagram says), then just trace back which wire that is on the floppy disk cable itself and I should be good.
To turn Audio on, I just have to twist together (and solder) 34 and 1, right?
What about pin 33 which says "RGB/NORMAL mode select" that wasn't mentioned in the tutorial so I assume I don't have to worry about that?
The manual also says that the R, G, B, Sync + their individual grounds should "use a twisted-pair lead", so that means I should just give those pairs of wires a couple twists (like 4 or 5?) before soldering them in place, right?
Re: Fudoh's ode to old display technology
You are correct, it was all images of the XBR monitor. I found images in the XBR instructions, and then I found some other material after searching for the cable smk-0001, but not without following links from that and finding people who did projects.Dochartaigh wrote: Vol.2, where have you seen all these pics from? I've been struggling to find anything meaningful online about these (but maybe because I was searching for the DXR not the XBR).
There was actually a special add-on box for these for computer use - Sony PC-701 RGB interface adapter - that might have what you all are ~2000 Win98 machine
I'm going to make a regular RGBS adapter following these directions: http://wavebeam.blogspot.com/2017/08/ma ... 4-pin.html
Page 14 you can see what is clearly a Hit-Bit system: https://docs.sony.com/release/KV20XBR.PDF they were all analog RGB (until the 90s when some had add-on boards with a DE15 connector)
I found others who were hooking up amigas and I followed some of them to pictures, but here's where I started... https://www.inwap.com/inwap/chez/kv25xbr.txt
I found two documents which described the "digital" features of the DXR manual as being a keyboard (that it came with) that you can program the monitor to remind you of appointments. good luck finding a new keyboard though. lol. In any case, I would be willing to bet that it's the only difference. Both articles were from 1985 and reviewed multiple new devices with "digital" features, the premise being that some deserve to called "digital" more than others. I remember when that buzzword was a marketing thing, and I think it's all the evidence necessary to say they are otherwise identical, but you be the judge.
Here's the Chicago Tribune with a snippet in 1985: https://www.chicagotribune.com/news/ct- ... story.html
Wondering about the PC-701. Is that possibly the connector specifically for the HB-701 HitBit computer? Like this: https://www.ebay.com/itm/SONY-HITBIT-HB ... 2834961028
I wonder because, years ago, I stumbled upon a Sony brochure for a PC interface box intended to hook up to the PVM-2030, but I haven't been able to find it again. If you have any idea what I'm talking about, or a link to a brochure or picture of the PC-701, it might help.
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FinalBaton
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Re: Fudoh's ode to old display technology
The Sony PC-701 adapter is intriguing indeed. I see lots of mentions of CGA and EGA around it.
Btw here's a dope tv commercial for the KV-20XBR/25BR : https://www.youtube.com/watch?v=UdlSUsEmBbM
So '80s it hurts! And it features the stand in action too!
Btw here's a dope tv commercial for the KV-20XBR/25BR : https://www.youtube.com/watch?v=UdlSUsEmBbM
So '80s it hurts! And it features the stand in action too!
-FM Synth & Black Metal-
Re: Fudoh's ode to old display technology
This is what floppy IDEs look like, that's all they mean. Just make sure your using a regular flat cable with no twist or you'll f-up the cable.Dochartaigh wrote: pin numbers being switched on floppy disk cables
Or get 5V from whatever you have attached.To turn Audio on, I just have to twist together (and solder) 34 and 1, right?
I think it's safe to assume that if it worked for all of them, it will work for you. It's probably related to superimposing RGB material on a video signal. There is a section in the manual about how to do it, but it doesn't specifically refer to the connector, just that you should set it up as per the connected equipment states.What about pin 33 which says "RGB/NORMAL mode select" that wasn't mentioned in the tutorial so I assume I don't have to worry about that?
Twisted pairs are specific. I doubt it actually needs it, but the idea is reduce interference. It's supposed to cancel out added noise by alternating the magnetic fields created by the wires. It's necessary in LVDS, but probably not crucial here. https://en.wikipedia.org/wiki/Twisted_pairThe manual also says that the R, G, B, Sync + their individual grounds should "use a twisted-pair lead", so that means I should just give those pairs of wires a couple twists (like 4 or 5?) before soldering them in place, right?
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Re: Fudoh's ode to old display technology
I'll respond to the couple above posts when I get a sec, but looking for an answer on the below if anybody knows (going to test these after work so looking for any troubleshooting tips):
Does the Behar Bros Toro AND Garo output proper TTL 5vp-p sync when it's outputting RGBHV/VGA?
Have some video wall 480p CRT monitors which require TTL sync, and they won't show any kind of image through Wii>Garo VGA>CRT, or Dreamcast>Toro VGA>CRT.
BUT hook up a regular PC via VGA to them and they work, or using Wii through the Mayflash YPbPr to VGA converter (with cap swapped) works, Dreamcast with a plain Retrobit VGA cable works as well....so I'm guessing the Garo and Toro aren't outputting proper TTL level VGA like it should be (and with the track record of Behar Bros products I really wouldn't be surprised), so the CRT monitor doesn't think it's getting a signal and thus doesn't display any signal.
I will be trying to run both the Toro and Garo through an Extron RGB 203 Rxi which should raise the sync to TTL level i believe.
Does the Behar Bros Toro AND Garo output proper TTL 5vp-p sync when it's outputting RGBHV/VGA?
Have some video wall 480p CRT monitors which require TTL sync, and they won't show any kind of image through Wii>Garo VGA>CRT, or Dreamcast>Toro VGA>CRT.
BUT hook up a regular PC via VGA to them and they work, or using Wii through the Mayflash YPbPr to VGA converter (with cap swapped) works, Dreamcast with a plain Retrobit VGA cable works as well....so I'm guessing the Garo and Toro aren't outputting proper TTL level VGA like it should be (and with the track record of Behar Bros products I really wouldn't be surprised), so the CRT monitor doesn't think it's getting a signal and thus doesn't display any signal.
I will be trying to run both the Toro and Garo through an Extron RGB 203 Rxi which should raise the sync to TTL level i believe.
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Re: Fudoh's ode to old display technology
just a heads upDochartaigh wrote:I'll respond to the couple above posts when I get a sec, but looking for an answer on the below if anybody knows (going to test these after work so looking for any troubleshooting tips):
Does the Behar Bros Toro AND Garo output proper TTL 5vp-p sync when it's outputting RGBHV/VGA?
Have some video wall 480p CRT monitors which require TTL sync, and they won't show any kind of image through Wii>Garo VGA>CRT, or Dreamcast>Toro VGA>CRT.
BUT hook up a regular PC via VGA to them and they work, or using Wii through the Mayflash YPbPr to VGA converter (with cap swapped) works, Dreamcast with a plain Retrobit VGA cable works as well....so I'm guessing the Garo and Toro aren't outputting proper TTL level VGA like it should be (and with the track record of Behar Bros products I really wouldn't be surprised), so the CRT monitor doesn't think it's getting a signal and thus doesn't display any signal.
I will be trying to run both the Toro and Garo through an Extron RGB 203 Rxi which should raise the sync to TTL level i believe.
using the box the way it's supposed too, converting component to scart to a pvm 20m4u: there's image issues with the wii, pspgo.
i posted my impressions and issues with the new Garo a few posts back.
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Re: Fudoh's ode to old display technology
I thought they took the SCART plug out of the newest version of the Garo and it only has VGA? You're using a VGA to SCART adapter cable I assume? I'm using a VGA to RGBHV BNC cable on my PVM/BVM's (but for this test just a straight VGA-to-VGA cable from the Garo to the CRT 480p monitor).davidwhangchoi wrote: just a heads up
using the box the way it's supposed too, converting component to scart to a pvm 20m4u: there's image issues with the wii, pspgo.
i posted my impressions and issues with the new Garo a few posts back.
And I'm familiar with the issues. Some are fine, some jacked-up. I have the new version of the Garo with VGA which was jacked up for many people but mine for instance works fine on Wii on a multitude of consumer, PVM, and BVM CRT's so I guess I got lucky. Just trying to see if it outputs proper levels of sync for VGA. I guess I could multimeter it if somebody told me how... (kinda know....just stick the + probe to the inside of one of the sync BNC's, the negative to the outside negative? jacket)
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Re: Fudoh's ode to old display technology
Got RGBS + Audio working on the KV-25DXR. Really wasn't bad to make the cable at all. Fyi connected 34 to 1 after this pic to enable sound.
Haven't touched a setting on it yet. Need to turn down red a touch, and work on convergence a little etc etc etc but not bad at all.
Full album: https://imgur.com/a/WBcJmRp
Haven't touched a setting on it yet. Need to turn down red a touch, and work on convergence a little etc etc etc but not bad at all.
Full album: https://imgur.com/a/WBcJmRp
Last edited by Dochartaigh on Sat Aug 31, 2019 3:30 am, edited 1 time in total.
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Re: Fudoh's ode to old display technology
I nearly bought a 25XBR a while ago when it was listed for $25 on my local Craigslist. I hesitated (and missed out) due to the unusual RGB input.
I found two things that might be usual to you though:
- you can buy a breakout board for that plug type on ebay fairly cheap. the breakout board will let you hook up the relevant pins using labeled screw terminals in a few seconds. Much easier than soldering a custom cable. Just wire the pins to a standard DB15 (VGA-style) female breakout board or a female scart port. You won't want to make a custom cable for every console...
- There is some guy who makes (and sells) ready made cables for Sony XBR rgb sets (and others that use that idc style ribbon). This might save you a lot of time and / or hassle:
https://retro-access.com/products/34-pi ... b65b&_ss=r
According to him, standard IDC plugs are too shallow for the Sony 34 pin multi input ports.
I found two things that might be usual to you though:
- you can buy a breakout board for that plug type on ebay fairly cheap. the breakout board will let you hook up the relevant pins using labeled screw terminals in a few seconds. Much easier than soldering a custom cable. Just wire the pins to a standard DB15 (VGA-style) female breakout board or a female scart port. You won't want to make a custom cable for every console...
- There is some guy who makes (and sells) ready made cables for Sony XBR rgb sets (and others that use that idc style ribbon). This might save you a lot of time and / or hassle:
https://retro-access.com/products/34-pi ... b65b&_ss=r
According to him, standard IDC plugs are too shallow for the Sony 34 pin multi input ports.
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Re: Fudoh's ode to old display technology
Classicgamer wrote:I found two things that might be usual to you though:
- you can buy a breakout board for that plug type on ebay fairly cheap. the breakout board will let you hook up the relevant pins using labeled screw terminals in a few seconds. Much easier than soldering a custom cable. Just wire the pins to a standard DB15 (VGA-style) female breakout board or a female scart port. You won't want to make a custom cable for every console...
- There is some guy who makes (and sells) ready made cables for Sony XBR rgb sets (and others that use that idc style ribbon). This might save you a lot of time and / or hassle:
https://retro-access.com/products/34-pi ... b65b&_ss=r
According to him, standard IDC plugs are too shallow for the Sony 34 pin multi input ports.
I chose to do it this way on purpose actually. I wanted this to be setup exactly like my PVM's with female BNC and audio plugs so I could hook it up to my Extron Crosspoint switcher then run any of my 14 consoles to it the same exact way.
Using a break-out screw-type boards has never worked well for me when these wires are so crazy thin. The audio cables (which I used a thicker type this time even) is literally like 7, maybe 8 strands of copper; the positive of the RGBS wires (super-high-end Extron cables fyi) wasn't much thicker. This way lets me solder everything, then wrap each +/- wire pair in 2x layers of shrinkwrap, and along with the excess wires I didn't use gives a decent grip when I have to unplug it. Otherwise I would fear ripping out wires on a screw-type board (like used to happen on my Extron Phoenix connectors all the time before I started using hot glue on those for a little handle.
The standard 34-pin floppy cable seems to fit nice and snug and deep enough from what I can tell. Best part is I already had the floppy cable, and the Extron BNC cable I cannibalized was $4 shipped (and have a good dozen extras of those anyway).