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New Coleco RGB board?

ColecoVision RGB Coleco

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#26 citrus3000psi OFFLINE  

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Posted Mon Jan 22, 2018 12:32 PM

 

 

Sounds like a plan. I’ve never had confidence in any cable I’ve made (for any application).

 

 

For the cost of the cables and quality, its not worth the time to even try and make one.   I only make a cable if I absolutely have to.



#27 mobiusstriptech OFFLINE  

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Posted Mon Jan 22, 2018 12:37 PM

Especially if you want any of the coax shielded cables. The cost for the cable alone is far too high in small quantities.

#28 grips03 ONLINE  

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Posted Mon Jan 22, 2018 1:03 PM

for that person looking for component.

 

https://hackaday.io/...mponent-adapter



#29 citrus3000psi OFFLINE  

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Posted Mon Jan 22, 2018 1:06 PM

for that person looking for component.

 

https://hackaday.io/...mponent-adapter

 

That project only works on Pal consoles.  It removes the color bursts only found in the PAL 9929a.



#30 grips03 ONLINE  

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Posted Tue Jan 23, 2018 3:35 PM

ah, good to know.
 
I second what 511 said, fitting the PCB in the IC area is a great idea. Can I ask if that is why SMT parts where used?  i.e. the bottom side is solder mask only, no traces?
 
I'm saving my second CV for this mod.  Keep one with F18a and backup console with RGB.  Thanks again for making this.

#31 citrus3000psi OFFLINE  

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Posted Tue Jan 23, 2018 3:38 PM

ah, good to know.

 

I second what 511 said, fitting the PCB in the IC area is a great idea. Can I ask if that id why SMT parts where used?  i.e. the bottom side is solder mask only, no traces?

 

I'm saving my second CV for this mod.  Keep one with F18a and backup console with RGB.  Thanks again for making this.

 

 

There are traces on the the bottom. They have silkscreen over them, but I would I recommend putting a piece of vinyl tape on the bottom just to play it safe.  That very first pic of that install has vinyl tape on it.

 

SMD parts where used to keep things small, and to be able to mount it where its currently located.  I don't mess with through hole much anymore.


Edited by citrus3000psi, Tue Jan 23, 2018 3:39 PM.


#32 grips03 ONLINE  

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Posted Tue Jan 23, 2018 3:45 PM

What is so cool is that I recently started to use RGB more (again) due to OSSC and I knew Joe Z had the document and I was about to draw it up in Eagle and you already did, and a much better job than what I would have done.  So timing is perfect.  I spent 8+ hours in eagle this past weekend and that is enough.  Eagle work was for another project :)



#33 ApolloBoy OFFLINE  

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Posted Sun Jan 28, 2018 5:48 PM

Looks like someone copied my RGB board using SMD instead of DIP components, not cool.

LOL bet you're regretting not putting out DIY kits now



#34 mobiusstriptech OFFLINE  

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Posted Mon Jan 29, 2018 1:12 PM

I have some of these on order which I will be installing or selling as DIY. Assuming everything goes well, if the demand is high enough, I will do a bigger batch to sell or do installs with.



#35 cdn2a OFFLINE  

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Posted Mon Jan 29, 2018 4:09 PM

Man, that and an internal RGB to HDMI adapter, and we're off to the races!..



#36 grips03 ONLINE  

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Posted Mon Jan 29, 2018 6:39 PM

citrus3000psi, is v1.1 the final pcb design?

 

Are the resistors 1206 size?

 

I see v1.1 posted here:

https://oshpark.com/...ojects/bvflkA1B

 

For $7.90 for 3 is super cheap.  Send me a PM and I'll mail out 1 of the 3 for $3 shipped in the US (pcb only, no electronics).



#37 citrus3000psi OFFLINE  

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Posted Tue Jan 30, 2018 9:06 AM

citrus3000psi, is v1.1 the final pcb design?

 

Are the resistors 1206 size?

 

I see v1.1 posted here:

https://oshpark.com/...ojects/bvflkA1B

 

For $7.90 for 3 is super cheap.  Send me a PM and I'll mail out 1 of the 3 for $3 shipped in the US (pcb only, no electronics).

 

 

It should be, but I have not tested this revision yet. But I'm confident,  I do have some order.

1.0 and 1.1 differences are it can be setup to use pots or no pots (The reason for the jumpers) and has spots for caps on the RGB lines.  All components are 0603.  Make sure to order .8mm  And isolate the bottom of the board before installation. 

 

I have another board that will help with mating the RGB wires to a mini din (This is untested, but I should have the board in a few days to verify):  https://oshpark.com/...ojects/0hrYbjDu

 

And then using that mini din you would need this off the shelf cable: https://retro-access...-male-rgb-scart

 

 

I have a few more consoles on the way to me, so I should be able to verify pot values etc.


Edited by citrus3000psi, Tue Jan 30, 2018 9:08 AM.


#38 citrus3000psi OFFLINE  

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Posted Tue Jan 30, 2018 9:10 AM

Man, that and an internal RGB to HDMI adapter, and we're off to the races!..

 

I'd recommend an OSSC before dropping in some type of internal solution. 



#39 grips03 ONLINE  

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Posted Tue Jan 30, 2018 9:19 AM

0603 imperial (1608 Metric)



#40 citrus3000psi OFFLINE  

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Posted Tue Jan 30, 2018 9:24 AM

0603 imperial (1608 Metric)

 

Yes thats the size. 



#41 grips03 ONLINE  

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Posted Sat Feb 10, 2018 7:38 AM

 

Yes thats the size. 

 

any thoughts of selling complete PCBs? 



#42 mobiusstriptech OFFLINE  

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Posted Sat Feb 10, 2018 8:25 AM

I don't know if citrus3000psi is going to but I will be. I'm waiting on a set of test boards so I can try them and also figure out assembled unit pricing.

#43 grips03 ONLINE  

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Posted Sat Feb 10, 2018 12:17 PM

I don't know if citrus3000psi is going to but I will be. I'm waiting on a set of test boards so I can try them and also figure out assembled unit pricing.

 

Sounds good.  Digikey was out on one of the parts.  Perhaps Newark or Mouser might have all of them in stock.  I didn't want to start buying from multiple places as then price starts to go up and would just be better to buy assembled pcb.



#44 citrus3000psi OFFLINE  

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Posted Mon Feb 12, 2018 7:43 AM

I have no immediate plans to sell.  But I may sell in the future, if the market has demand.



#45 grips03 ONLINE  

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Posted Mon Feb 12, 2018 7:46 AM

I have no immediate plans to sell.  But I may sell in the future, if the market has demand.

I know I would buy one. 



#46 citrus3000psi OFFLINE  

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Posted Mon Feb 12, 2018 7:48 AM

I know I would buy one. 

 

Good to know.  Right now, I'm in waist deep of my Gamecube kits.  So once that wraps up, I may side step to this.  Also what part was out of stock at digi?



#47 H454 OFFLINE  

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Posted Mon Feb 12, 2018 4:59 PM

The 500ohm pot:

TC33X-2-501ECT-ND

But, Mouser lists 6990 in stock, at least at this time.



#48 mobiusstriptech OFFLINE  

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Posted Mon Feb 12, 2018 6:01 PM

I was able to buy everything from mouser

#49 citrus3000psi OFFLINE  

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Posted Fri Feb 16, 2018 1:27 PM

This part should work from digikey as a replacement for now:  P3V501CT-ND



#50 aldrs666 OFFLINE  

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Posted Sun Mar 4, 2018 1:09 PM

Halleluja!

 

Some of you may remember Yurkie trying to scam me... I had to go for an F18A in the end, still dying for a 'standard' RGB console though so this is great news!







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