[Coladam] RCA v. coax v. ADAM

SacNews - Joe Blenkle jblenkle at sacnews.net
Fri Aug 3 09:40:14 CEST 2012


Bored? We need more bored people like you!!!

----- Original Message ----- 
From: "John Turner" <gimechip at live.com>
To: <oltmansg at gmail.com>; <jnoti2 at comcast.net>
Cc: <kjpmail at gmail.com>; <coladam at adamcon.org>
Sent: Friday, August 03, 2012 12:00 AM
Subject: Re: [Coladam] RCA v. coax v. ADAM


>
> During this discussion I decided to lay out a small 1.9" x 1.9" PCB. It 
> has a 5 pin DIN socket, 3 RCA jacks, a 10 ohm trim pot and .005uF 
> capacitor. The capacitor is connected across the video as this seems to 
> smooth out interference a bit. The audio signal goes into the center of 
> the trim pot and the left and right are taken off the legs of the pot. 
> This provides the same signal to both RCA audio jacks but gives a small 
> "balance" control. If anyone wants to see the schematic & layout, I can 
> email it to you. To use this you would plug an AT keyboard extension (male 
> to male, 5 pin DIN) into the adam and into this board. Then a standard A/V 
> cable would plug into the 3 rca jacks to connect to the TV/Monitor. Don't 
> know how well this would work - I was just bored :-) -John
>
>> Subject: Re: [Coladam] RCA v. coax v. ADAM
>> From: oltmansg at gmail.com
>> Date: Thu, 2 Aug 2012 21:57:06 -0500
>> CC: gimechip at live.com; kjpmail at gmail.com; coladam at adamcon.org
>> To: jnoti2 at comcast.net
>>
>> If memory serves, you can use a C-64 compatible cable as you said, but I 
>> think that perhaps the audio and video outputs are swapped around. If it 
>> worked on the C-64 or TI and not on the ADAM, try swapping the 
>> audio/video and see if it works.
>>
>>
>> On Aug 2, 2012, at 8:30 PM, Jim Notini wrote:
>>
>> > BITD I had a C=64 and ADAM that shared the same Composite Monitor thru 
>> > the use of a 5-Pin Commodore Monitor Cable. I saw the Coleco version in 
>> > stores, but never bought it seeing as I had a working cable already... 
>> > now being a collector, I wish I had the Coleco cable in it's original 
>> > Blister package and not the plastic bag version that I think was 
>> > packaged by American Design Components from all the surplus stock they 
>> > bought from Coleco.
>> >
>> > Thanks for the info. re the TI-99/4A cable compatibility as I was 
>> > planning to pick up a spare cable just in case and I can check/compare 
>> > prices for one of those as well.
>> >
>> > Thankfully most companies didn't try to reinvent the wheel, too much, 
>> > back in the day so instances of cross compatibility do exist... it's 
>> > just a matter of trying things out.
>> >
>> >  ----- Original Message ----- 
>> >  From: John Turner
>> >  To: jnoti2 at comcast.net ; kjpmail at gmail.com ; coladam at adamcon.org
>> >  Sent: Thursday, August 02, 2012 6:01 PM
>> >  Subject: RE: [Coladam] RCA v. coax v. ADAM
>> >
>> >
>> >  I was wondering if the commodore cable could be used, but my coleco 
>> > manual said "if it doesn't say it was made for the Adam it probably 
>> > won't work", but since you've tried it then I guess it will. The 5 pin 
>> > DIN was sort of a pseudo standard that started, as far as I can 
>> > remember, with the Vic-20. The same 5-pin cable that works with Vic-20, 
>> > C-64, etc. will also work with the NTSC version of the TI-99/4A (the 
>> > PAL TI-99/4A uses a different cable). So basically then, a commodore 
>> > 5-pin DIN or a TI-99/4A NTSC 5-pin DIN a/v cable should all work.
>> >
>> >
>> >> From: jnoti2 at comcast.net
>> >> To: kjpmail at gmail.com; coladam at adamcon.org
>> >> Date: Thu, 2 Aug 2012 17:43:45 -0500
>> >> Subject: Re: [Coladam] RCA v. coax v. ADAM
>> >>
>> >> If you have the Stand-Alone ADAM (with the ColecoVision built-in) all 
>> >> you
>> >> need to do to use this version of the ADAM with a Composite TV or 
>> >> Monitor is
>> >> buy a Commodore 1802 Monitor compatible monitor cable... they can be 
>> >> had on
>> >> eBay for around $7-$10. This particular cable has a 5-pin DIN 
>> >> connector that
>> >> plugs into the "AUX VIDEO" connector on the back of the ADAM and 
>> >> either a
>> >> black or yellow RCA Plug that connects to the composite video input of 
>> >> the
>> >> TV/Monitor. This Commodore cable usually only provides one RCA Audio 
>> >> Jack
>> >> that you would plug into the White Audio RCA Input of the TV/Monitor. 
>> >> You
>> >> may get lucky and find a cable that provides 2 Audio RCA lines, but I
>> >> haven't seen one in a while. BTW, Coleco states you need a 7-Pin DIN 
>> >> type
>> >> connector, but the 5-Pin DIN works perfectly.
>> >>
>> >> JUST MAKE SURE NOT TO BUY A COMMODORE MONITOR CABLE THAT SAYS IT'S
>> >> CHROMA/LUMA COMPATIBLE! It won't work.
>> >>
>> >> You can also plus a Composite Video cable into the MONITOR connector 
>> >> on the
>> >> back of the ADAM and then plug the other end into the Composire Video 
>> >> Input
>> >> of the TV/Monitor. This will only provide VIDEO and you would have to 
>> >> find a
>> >> 5-Pin or 7-Pin DIN to 1 or 2 RCA AUDIO ONLY Cable. This is the method 
>> >> that
>> >> Coleco details in their instructions, but is a waste seeing as the 
>> >> first
>> >> method I detailed workd great.
>> >>
>> >>
>> >> Jim/NIAD
>> >>
>> >> ----- Original Message ----- 
>> >> From: "Kevin Powers" <kjpmail at gmail.com>
>> >> To: <coladam at adamcon.org>
>> >> Sent: Thursday, August 02, 2012 10:13 AM
>> >> Subject: [Coladam] RCA v. coax v. ADAM
>> >>
>> >>
>> >>> What are the connections from the ADAM to the TV/monitor? When I get 
>> >>> my
>> >>> ADAM, I would like to connect via RCA cables, i.e., 1 composite RCA
>> >>> connection for the video & 1 or 2 composite connections for the mono
>> >>> audio. But my understanding is that in order to do this, I would need 
>> >>> to
>> >>> have a special cable that plugs into a 5-pin port in the back of the 
>> >>> ADAM.
>> >>>
>> >>> Is it possible to plug two RCA cables into the ADAM, plug them into 
>> >>> the
>> >>> TV,
>> >>> and be done? Or am I going to be stuck using the same coaxial jack 
>> >>> that I
>> >>> use to plug a cable box or most video game systems without
>> >>> composite-out into my TV?
>> >>> _______________________________________________
>> >>> Coladam mailing list
>> >>> Coladam at adamcon.org
>> >>> http://adamcon.org/cgi-bin/mailman/listinfo/coladam
>> >>>
>> >>
>> >>
>> >> _______________________________________________
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>> > http://adamcon.org/cgi-bin/mailman/listinfo/coladam
>>
>
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