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Just got a Colecovision off eBay and it doesn't work (surprise I know)


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#1 marc.teeters OFFLINE  

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Posted Sat Sep 1, 2018 3:58 PM

So I just got this in the box but without an rf connector. I plugged it in using my 7800 rf cable and got this wierd static almost like I was in the wrong channel. I recorded about 10 seconds of it and put it on YouTube. https://youtu.be/zL46BjEgMHc


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#2 marc.teeters OFFLINE  

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Posted Sat Sep 1, 2018 4:11 PM

I just cleaned the one cartridge and the port with alcohol, nothing. I also tried fidgeting with the connections to make sure they were in properly and power cord seemed to have more effect than the rf. Hopefully the adaptor isn't toast.

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#3 NIAD OFFLINE  

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Posted Sat Sep 1, 2018 6:44 PM

Not sure if a 7800 RF Cable is compatible. Hopefully someone that knows will chime in otherwise look for a CV RF Cable... amazingly it does matter and even new/newer RF cables don't cut the mustard.

#4 mobiusstriptech OFFLINE  

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Posted Sat Sep 1, 2018 9:04 PM

I normally use a Nintendo RF switch for testing them. It works fine to verify if a picture is coming up at least.

#5 marc.teeters OFFLINE  

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Posted Sun Sep 2, 2018 12:04 AM

I normally use a Nintendo RF switch for testing them. It works fine to verify if a picture is coming up at least.

I don't have one but that seems much easier to find then a Colecovision one. I'll dig around local and see if I can get one.

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#6 digress OFFLINE  

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Posted Sun Sep 2, 2018 6:03 AM

did you try turning it on without a cartridge. you should get the colecovision logo screen. enough to test so you could rule out a bad game cart. The 7800 rf cable works fine. I've switched back and forth 7800 & colecovision. It has to be going into the coax port of your tv ultimately though. Not rca video in.

 

It's probably your power supply is no good anymore. if you have another try that.

 

I don't have one but that seems much easier to find then a Colecovision one. I'll dig around local and see if I can get one.

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Edited by digress, Sun Sep 2, 2018 6:04 AM.


#7 marc.teeters OFFLINE  

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Posted Sun Sep 2, 2018 12:33 PM

Are the Canadian power supplies worth the extra money off eBay. I remember reading years back that they lasted longer but at this point I'd imagine everything will begin to fail soon

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#8 nick3092 ONLINE  

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Posted Sun Sep 2, 2018 3:35 PM

I normally use a Nintendo RF switch for testing them. It works fine to verify if a picture is coming up at least.

Using an NES RF switch (or any other "autoswitch") is asking for trouble with an old console like this. Those switches are expecting to see a 5v signal on the RF line to trigger the switch over. Older consoles like Coleco, Intellivision, and 2600/7800 don't have that signal will get mixed results at best.

Your best bet is to get a rca to type f adaptor and send the signal straight into the coax input in the TV

Edited by nick3092, Sun Sep 2, 2018 3:35 PM.


#9 mobiusstriptech OFFLINE  

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Posted Sun Sep 2, 2018 4:08 PM

That's why I said for testing. I didn't say I use it all the time. I have a proper manual switch as well if I want to do something beyond see if the Colecovision will display an image.

Although honestly why even use the RF? The video output was never good and even a simple composite mod is exponentially better.

#10 nick3092 ONLINE  

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Posted Sun Sep 2, 2018 4:22 PM

That's why I said for testing. I didn't say I use it all the time. I have a proper manual switch as well if I want to do something beyond see if the Colecovision will display an image.

Although honestly why even use the RF? The video output was never good and even a simple composite mod is exponentially better.

To keep the equipment stock? The same reason you don't always need to rip the engine out of a classic car and upgrade it, or modify the body or lower the suspension.

Growing up as a kid, I was all about modifying cars and classic video games. But the older I get, the more I appreciate a stock classic car/video game system. Obviously if a part goes bad and is no longer replaceable (in cars or video games), I get it. But to me, something is only original once.

Edited by nick3092, Sun Sep 2, 2018 4:23 PM.


#11 mobiusstriptech OFFLINE  

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Posted Sun Sep 2, 2018 4:29 PM

While I am all for preservation, it is possible to composite mod the console without damaging the casing. My own personal RGB modded console has no holes cut in it.

You also have to watch because some modern TV's won't even pick up the RF signal.

#12 Osgeld OFFLINE  

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Posted Sun Sep 2, 2018 4:38 PM

there's probably a place to snake a cable out of it like though one of the lower vents 



#13 nick3092 ONLINE  

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Posted Sun Sep 2, 2018 4:48 PM

While I am all for preservation, it is possible to composite mod the console without damaging the casing. My own personal RGB modded console has no holes cut in it.

You also have to watch because some modern TV's won't even pick up the RF signal.


True but 99% of moders wind up wrecking the case by adding jacks. I've done my fair share. But going forward, no more.

#14 marc.teeters OFFLINE  

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Posted Sun Sep 2, 2018 6:50 PM

Is there currently anyone in the US working on these? I am in the Ohio/Ky/WV tri state area.

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#15 Swami ONLINE  

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Posted Sun Sep 2, 2018 10:43 PM

Any used power supply is a gamble. When I bought my first two used ColecoVision systems, the power supply only worked on one of them. I bought two NOS ones about a year ago. I don't see any new ones on eBay now. You could try sending in the power supply to someone who could test it and, if need be, cut it open and fix it.  I've heard of people doing that but don't remember who. There are two new improved ones coming out soon, but how soon is anybody's guess.



#16 NIAD OFFLINE  

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Posted Mon Sep 3, 2018 8:40 PM

Are the Canadian power supplies worth the extra money off eBay.

Yes, the Canadian CV Power Supply is considerably more reliable than the U.S. counter part. Regulations were and probably still are much more stringent in Canada so you end up with a much more reliable CV power supply.

#17 marc.teeters OFFLINE  

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Posted Mon Sep 3, 2018 9:27 PM

I may try to hold out for the USB power supply that is supposed to be out soon. If I quit buying games today and spent 10 hours a week trying to beat the main stories only of my games it would probably take me 3 or 4 years to play everything I already own.

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#18 TheCurlyBard OFFLINE  

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Posted Tue Sep 4, 2018 3:34 PM

Lol yeah there is no particular rush to add more games to the stack other than that consumers itch we all suffer from.

I'm hoping the usb thing isn't far away, I want to buy some and sell them with my orphaned consoles, so I can make space and money for more games ;p




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