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Author Topic: So I added a new port on the Turbo Express  (Read 2610 times)

thesteve

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Re: So I added a new port on the Turbo Express
« Reply #90 on: August 14, 2012, 11:45:20 AM »
are the built in controls or remote having  issues
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #91 on: August 14, 2012, 12:56:08 PM »
Quote from: Duo_R on August 14, 2012, 11:00:52 AM
ok I switched the "switch" line to run and still behaves the same, I am wondering if a dodgy ribbon cable is to blame for this. hmmmmm

This is what I'm thinking.  Will test this tonight.
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #92 on: August 18, 2012, 05:38:41 AM »
Couldn't get one TE to work with the external controller mod. Just finished the external controller port on another TE and it's working fine. So I've done three TE's but can't get one to work. All are the same with caps swapped, LCD, switchless region mod and composite vid out. So this leads me to believe that it has something to with bad or damage traces.
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #93 on: August 21, 2012, 03:56:20 AM »
Another thing to note, my TE with the working controller mod works at 5.10V. The other TE I just sent back with the working controller mods didn't work at 5.10v but worked at 4.95v. Hopefully thesteve will be able to chime in as to the rhyme and reason why the external controller would works at different voltage level for different TE's.
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thesteve

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Re: So I added a new port on the Turbo Express
« Reply #94 on: August 21, 2012, 05:04:58 AM »
that doesnt make much sense to me either
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Duo_R

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Re: So I added a new port on the Turbo Express
« Reply #95 on: August 21, 2012, 03:43:10 PM »
Turbo did you try replacing the capacitor on the controller board?
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #96 on: August 21, 2012, 05:31:17 PM »
Yeah, all had all their caps replaced including the one on the controller board.
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Duo_R

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Re: So I added a new port on the Turbo Express
« Reply #97 on: August 21, 2012, 05:48:30 PM »
And swap controller boards?
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #98 on: August 22, 2012, 02:26:21 AM »
Yeah I did and it still didn't work.
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #99 on: October 09, 2012, 03:46:43 AM »
So I have successfully added an external controller port to three turboexpress system. It's seems to work best under 5v. Also I noticed that on the home consoles, the controller ports doesn't connect directly to the hu6280. Each pins of the controller port connects to a blue components and from there it goes to the CPU. They start with "FL". Any ideas what these are and their purpose?
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Necromancer

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Re: So I added a new port on the Turbo Express
« Reply #100 on: October 09, 2012, 04:03:25 AM »
'FL' is for filter.... or Florida.
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thesteve

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Re: So I added a new port on the Turbo Express
« Reply #101 on: October 09, 2012, 04:06:09 AM »
its filter
they are a wire with ferrite beads on them
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #102 on: October 09, 2012, 04:19:51 AM »
What are they used to filter out?

Necro, I didn't FL stood for Florida too:)
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thesteve

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Re: So I added a new port on the Turbo Express
« Reply #103 on: October 09, 2012, 05:38:25 AM »
RF
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turbokon

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Re: So I added a new port on the Turbo Express
« Reply #104 on: October 30, 2012, 03:59:50 AM »
So do you think these filters are needed? Could this be a reason why the controller mods works on some expresses but not others?
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