RGB Scart to Commodore 1084s Monitor?

o1s1n · 18-08-2013 10:30pm #1

I've had an absolutely lovely Commodore 1084s upstairs gathering dust for ages. Originally the plan was to use it for consoles - however I came across a bit of a stumbling block. RGB in is via DIN connections.

One is an 8 pin TTL DIN and the other is a 6 DIN.

Anyone know if a female scart to DIN cable exists?

I came close by buying one of these, but it turned out to be a mini DIN connection

http://www.ebay.co.uk/itm/Micromark-MM23290-CCTV-6-Pin-Mini-din-To-Scart-Expansion-Adaptor-For-MM23190-/300941118460?pt=UK_CCTV&hash=item46117d0bfc

Really would love to get it going as the picture quality is amazing.

https://www.youtube.com/watch?v=h0ZXMo0WPFc

Managed to get both the pinouts, but as you can imagine, buying a cable would be a lot easier than trying to make one up!

8 Pin TTL

1 Status computer
2 Red
3 Green
4 Blue
5 Intensity
6 Earth (ground)
7 H.syncronization or composite syncronization
8 V.syncronization

6 Pin

1 Green
2 H.Syncronization
3 Ground (Earth)
4 Red
5 Blue
6 V.Syncronization

The Last Bandit · 19-08-2013 1:06pm

The TTL RGB is a digital input so no use to you.

You'll need a cable to connect to the 6 pin DIN, not sure if a sync separator is need or not though, probably just get away with lashing the composite sync into the H.Sync.

Seen some cables online alright for another type of 1084, one with a DB-9 input. But nothing for your type.
Apparently the monitor is a rebranded Philips and the SCART socket can be retrofitted as its just the connector is omitted - probably best to start by making a cable though

o1s1n · 19-08-2013 1:25pm

After I wrote that post, I took the two cables I'd previously bought and decided to do just that.

Stripped the head off the mini din > scart adaper and went to replace it with a standard din instead.

Wires didn't add up though. Mini din had 5 wires and the standard DIN only 4.

So I decided to disassemble the scart connector and try to go straight from there. That's when it got even more annoying, the mini 6 din > scart adapter was only wired for composite, no RGB pins!

So decided to scrap that idea and bought one of these.

http://www.ebay.co.uk/itm/1M-Monitor-Lead-Cable-for-Acorn-BBC-B-Micro-6Pin-DIN-to-TV-Monitor-RGB-Scart/171099243680?_trksid=p3984.m2045&_trkparms=aid%3D333005%26algo%3DRIC.FIT%26ao%3D1%26asc%3D128%26meid%3D677916081182075282%26pid%3D100018%26prg%3D1108%26rk%3D1%26rkt%3D10%26sd%3D171099243680%26

I have a male to female scart adapter, so hopefully it'll just be a matter of attaching that to the above cable to turn it into a female jack.

Fingers crossed! If that doesn't work it'll have to be a cable made from scratch.

The Last Bandit · 19-08-2013 1:27pm

That one looks like it should do the trick alright.

KeRbDoG · 19-08-2013 2:13pm

From this page, it looks like you will have to rewire the 6-pin DIN end of that cable

o1s1n · 19-08-2013 2:19pm

Thanks for the link!

Nothing is ever simple, is it?

KeRbDoG · 19-08-2013 2:35pm

Looks like your best just to buy the components (or get one of these and a DIN) and build the cable yourself. Its fairly straight forward

o1s1n · 19-08-2013 2:49pm

KeRbDoG wrote: »

Looks like your best just to buy the components (or get one of these and a DIN) and build the cable yourself. Its fairly straight forward

Actually yeah, that one in the link is a good idea as I needed to figure out a way of running audio out of it anyway.

Maybe those guys would be able to fit a 6 din connection on it if I asked.

KeRbDoG · 19-08-2013 3:09pm

Most likely if you give them the pinout your after - bought from them before, nice lads

Dr Bob · 19-08-2013 3:24pm

KeRbDoG wrote: »

Most likely if you give them the pinout your after - bought from them before, nice lads

Just to hijack this slightly..ive a phillips 883 monitor which is almost identical to this ( it has an rgb scart socket though) and I want to hook it up to an atari st ..any idea what cable to use?

o1s1n · 19-08-2013 4:21pm

KeRbDoG wrote: »

Most likely if you give them the pinout your after - bought from them before, nice lads

Great to hear, will give that a try

Dr Bob wrote: »

Just to hijack this slightly..ive a phillips 883 monitor which is almost identical to this ( it has an rgb scart socket though)

Swap?

KeRbDoG · 19-08-2013 4:24pm

Dr Bob wrote: »

Just to hijack this slightly..ive a phillips 883 monitor which is almost identical to this ( it has an rgb scart socket though) and I want to hook it up to an atari st ..any idea what cable to use?

If it has a SCART input, then to eBay and search for "atari st scart". Lots of cables pop up that will do the job. Some have photo cables, those are so you can take the audio output from the Atari ST and plug it directly into say a separate amp or whatever you like

o1s1n · 19-08-2013 4:28pm

On a side point, they really are beautiful monitors and at 13 inches, really fit the bill for folks with no space for a CRT.

o1s1n · 08-09-2013 2:38am

o1s1n wrote: »

So decided to scrap that idea and bought one of these.

http://www.ebay.co.uk/itm/1M-Monitor-Lead-Cable-for-Acorn-BBC-B-Micro-6Pin-DIN-to-TV-Monitor-RGB-Scart/171099243680?_trksid=p3984.m2045&_trkparms=aid%3D333005%26algo%3DRIC.FIT%26ao%3D1%26asc%3D128%26meid%3D677916081182075282%26pid%3D100018%26prg%3D1108%26rk%3D1%26rkt%3D10%26sd%3D171099243680%26

I have a male to female scart adapter, so hopefully it'll just be a matter of attaching that to the above cable to turn it into a female jack..

Balls! Tried this scart cable but no joy. The picture roles (sync issues).

KeRbDoG · 08-09-2013 10:12am

I think the pin outs are completely different from the Acorn cable you got and the input to the monitor.

At Monitor DIN
1 - Green
2 - Horizontal Sync
3 - Ground
4 - Red
5 - Blue
6 - Vertical Sync

Your Acorn Cable DIN
1 - Red
2 - Green
3 - Blue
4 - Sync
5 - Earth
6 - RGB Switch

To prove it can you check while the picture roles, are the colours also funky? think you might also need some way to breaking up the RGB sync signal into a Horizontal and Vertical sync OR for sh*ts and giggles connect sync to either one

Note, this prob won't work, but yea never know!

o1s1n · 08-09-2013 1:35pm

Yep, colours are funky. If there was some way of accessing vertical hold, you could actually get a steady picture. Doesn't seem to be a pot for it on this monitor though.

Contacted those lads on that website linked above to see if they can make up a cable.

I found a composite Snes cable last night so though I'd do some testing. The PC Engine was only giving black and white over composite - (fairly straight forward, the monitor only supports 50hz in non RGB modes and the console is outputting 60hz)

Something odd happened though. To test this, I thought if I ran my Snes over composite with the switch set to 50hz, it would give me colour - still in black and white though. You can see the signal changes (image compresses down in 50hz). But still no colour. Strange.

There was definitely colour via RGB though (so at least we know it's not a black and white monitor

)

RGB Scart to Commodore 1084s Monitor?

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