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Author Topic: PCEGT replace with 3.5inch TFT LCD  (Read 6520 times)

grahf

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #45 on: October 21, 2011, 04:16:04 AM »
Looks pretty good. Your LCD is a lot nicer looking than the one I had. Probably much higher resolution.
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thesteve

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #46 on: October 21, 2011, 01:32:57 PM »
working
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thesteve

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #47 on: October 22, 2011, 11:10:08 PM »
perfect

added RGB select

tested and tuned (added sync on green)
« Last Edit: November 11, 2011, 11:55:26 PM by thesteve »
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phipscube

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #48 on: October 29, 2011, 11:47:47 PM »
Fantastic work thesteve :) I'm still in two minds about trying this on my own GT, but that big screen does look great, and kind of how you'd expect it should have been if today's tech was available back in 1990. Will you be producing a thin SMD board like you did for the region mod (and switchless board)? I will be at least interested in one of those as I am still looking at sourcing a drop in replacement LCD screen (in size, so I don't have to cut) that I can combine with your board.
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BlueBMW

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #49 on: October 30, 2011, 01:53:09 AM »
We are working on some small video encoder boards :P
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c0ldb33r

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #50 on: October 30, 2011, 02:48:38 AM »
is the final goal to offer this as a modding service? if so you guys could make a mint!
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BlueBMW

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #51 on: October 30, 2011, 03:05:52 AM »
Quote from: c0ldb33r on October 30, 2011, 02:48:38 AM
is the final goal to offer this as a modding service? if so you guys could make a mint!

EDIT
Thats a possible goal.  And its a long ways off yet... as far as making a mint though, if and when it happens, it probably wont be that lucrative.  It never really is with these sort of things.

The goal is to make these video encoder boards that can be used both for this screen swap mod, and to mod other consoles for s video and component, and also to function as an RGB amp.
« Last Edit: October 30, 2011, 09:09:18 AM by BlueBMW »
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phipscube

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #52 on: October 30, 2011, 05:39:16 AM »
Your combining the RGB amp with this!? How completely awesome! :D Great idea, thanks for your great work guys. I'll be up for 2 of these when the are done then!  :wink:
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BlueBMW

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #53 on: October 30, 2011, 06:13:59 AM »
Quote from: phipscube on October 30, 2011, 05:39:16 AM
Your combining the RGB amp with this!? How completely awesome! :D Great idea, thanks for your great work guys. I'll be up for 2 of these when the are done then!  :wink:


The chip does some amplification and so to use it as an amp you just need to add a cap and resistor to each line after the chip.  This can be done on the wires leading from the chip.

Alternately, I drew up some standalone RGB amps that I may make separate:

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Bernie

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #54 on: October 30, 2011, 11:07:27 AM »
Too bad I never bothered with the handheld systems for the turbo, this looks cool!
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grahf

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #55 on: October 30, 2011, 10:04:36 PM »
If you go with the CXA-1645 encoder, they are known to produce a nice stable RGB signal. That way you can get both S-Video and RGB out, if you're using it on a console. I don't really know if those chips are still available though.


Just for fun, here is a picture of the S-Video boards I made when I was modding systems a few years ago (minus the IC and a few caps). I actually used the CXA2075 (see this page for info: http://www.videoi.com/~pietro/cxa2075/ ), so there were a few less external components on my board. Anyways, anyone who has a system I modded should be able to easily get RGB by adding the three caps and three resistors on the top left.

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thesteve

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #56 on: October 31, 2011, 05:18:46 AM »
the chip we are designing around is pin for pin interchangable for the cxa
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thesteve

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #57 on: November 06, 2011, 05:02:30 PM »
component video proof of concept
wired on a genny2
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thesteve

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #58 on: February 07, 2012, 05:22:01 PM »
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Duo_R

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Re: PCEGT replace with 3.5inch TFT LCD
« Reply #59 on: February 07, 2012, 05:35:19 PM »
Ok please elaborate how u did that?
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