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terrybogard
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FM Towns Car Marty - Power/Video Help

by terrybogard Mon Dec 13, 2010 2:35 pm

Hi Guys. I need help finding a power adapter that will work with this setup. It needs to be 12V atleast 3 Amps and center tip negative. Also it didnt come iwht any video cables so im guessing i will need to wire up some rca and a svideo plug. But dont know where to tap into the signals.... Can anyone help me with any of this information. Thanks in advance.

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Last edited by terrybogard on Mon Dec 13, 2010 4:00 pm, edited 1 time in total.
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s1mplehumar
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Re: FM Towns Car Marty - Power/Video Help

by s1mplehumar Mon Dec 13, 2010 2:48 pm

:shock:
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Mod_Man_Extreme
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Re: FM Towns Car Marty - Power/Video Help

by Mod_Man_Extreme Mon Dec 13, 2010 2:51 pm

Have you tried goodwill for AC's? I've honestly never had anything but good luck at mine for AC Adapters and general RCA Audio/Video cables.

From what I read on the specs it should just have a standard S-Video port on it. Also, nice find on one of these they're damn hard to come by.
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terrybogard
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Re: FM Towns Car Marty - Power/Video Help

by terrybogard Mon Dec 13, 2010 2:54 pm

Mod_Man_Extreme wrote:Have you tried goodwill for AC's? I've honestly never had anything but good luck at mine for AC Adapters and general RCA Audio/Video cables.

From what I read on the specs it should just have a standard S-Video port on it. Also, nice find on one of these they're damn hard to come by.


well the fm towns marty which i also own has standard svideo plugs. but since this was made for a car its very untraditional and next to impossible to find the video cables for this. i will need to make them from scratch and solder the connectors to the board. i jsut odnt know where to tap the signals from. heres a pic of the back. the top left large square connector is the one video and sound comes from as u can see its not traditional by any means.

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and the power uses a 12Volt 3+Amp Center Negative plug which is hard to find since most are center positive. i may have to reverse the polarity to get it to work.
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Hobie-wan
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Re: FM Towns Car Marty - Power/Video Help

by Hobie-wan Mon Dec 13, 2010 4:38 pm

You're probably going to need to find and hack up a laptop brick in order to get 12 volts and 3 or more amps. Remember that the amps can be higher. I've rarely seen off the shelf generic bricks be more than 300 mA, much less anything like 3 A.
terrybogard
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Re: FM Towns Car Marty - Power/Video Help

by terrybogard Mon Dec 13, 2010 4:49 pm

Hobie-wan wrote:You're probably going to need to find and hack up a laptop brick in order to get 12 volts and 3 or more amps. Remember that the amps can be higher. I've rarely seen off the shelf generic bricks be more than 300 mA, much less anything like 3 A.


yea i know it man... i just dont feel confortable switching the polarity and plugging it in since its really rare... ill never find the video cables either i dont think anyway.... i think this will be a paperweight for a very long time sadly.
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Hobie-wan
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Re: FM Towns Car Marty - Power/Video Help

by Hobie-wan Mon Dec 13, 2010 4:57 pm

terrybogard wrote:i just dont feel confortable switching the polarity and plugging it in since its really rare.


Double check with a voltmeter so you can be certain after hacking on the plug.
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Re: FM Towns Car Marty - Power/Video Help

by terrybogard Mon Dec 13, 2010 5:03 pm

Hobie-wan wrote:
terrybogard wrote:i just dont feel confortable switching the polarity and plugging it in since its really rare.


Double check with a voltmeter so you can be certain after hacking on the plug.


yea i guess.... i still haev no way to pinout the video. if you look at the pic i posted its the top left square input that outputs svideo and composite. so im looking for ground, stereo left and right, luma, chroma... how would i do that. im afraid theres a power line in there and ill short something if i touch it with a ground connection.
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Hobie-wan
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Re: FM Towns Car Marty - Power/Video Help

by Hobie-wan Mon Dec 13, 2010 6:54 pm

I have no idea on the video plug. :(
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Re: FM Towns Car Marty - Power/Video Help

by d123456 Tue Dec 14, 2010 5:36 am

car marty, wtf? i was not aware of this!
http://ultimateconsoledatabase.com/gold ... _marty.htm
good luck with the system. it might be worth lots, why not sell it to some fool with aladdabucks?
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