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Thread: Making the RGB signal stronger?

  1. #111
    Variable Bitrate danon's Avatar
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    Quote Originally Posted by davesaudio2
    looks like:
    h sync pin1, vsync pin2, red pin10, green pin12, blue pin 14

    std disclaimer inserted here

    ...judging by the color coding, yes... but PSOne only uses 12 pinouts.
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  2. #112
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    your lcd has 24 pins like the diagram oui?
    is there a board behind the lcd-part nums?
    I guess thats the first pass, if NG then look further down the japanese page
    he appears to invert and stretch the v or h sync
    would be nice to have the panel spec (or similar) ....

  3. #113
    Variable Bitrate danon's Avatar
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    my PSOne lcd has 5 separate boards, the lcd's, 5v's, game/av/on/off, main controller, and the output's (pal/ntsc, 7.5v, av/audio, etc.)

    actually, since all PSOne lcd regardless of the manufacturer should have the same PSOne input in order to connect to the PSOne, therefore all PSOne LCD share the same standard. in this case it's much easier to just follow the AV pinouts located at the "http://www.gamesx.com/avpinouts/psxav.htm" and this is what I'm doing right now, i just need to get the LM1881 to separate the NTSC and the sync, i'll then see how it goes...
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  4. #114
    Variable Bitrate danon's Avatar
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    issue on PSOne RGB vs. AV-in

    Those who are doing this mod and were getting no signal at all, this might be the reason why...

    Some PSOne lcd regardless of the tft brand has the console input as well as an AV-in. This AV-in is a 3.5mm socket so you'll need a "3.5mm mono plug to rca socket" to accept a standard RCA cable. You can connect your video player (ex. dvd, vhs..) through this AV-in as PAL/NTSC. This type of PSOne lcd does not have an RGB_sync out.

    Even without dismantling the lcd casing the difference is obvious. If you look at the back, on the output side, the one that has an AV-in will have "TV Out" whereas the one that has an RGB_sync will have "Multi-AV Out".

    Surprisingly, the one who doesn't have an AV-in actually has more advantage for having a crispier screen (if you want to do the mod).

    I think the better option I guess would be to built an "RGB_sync decoder". I'm not sure how far I could go with this, but I would give it a try...
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  5. #115
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    this is the way I hook it up if anyone cares. http://users.adelphia.net/~mowry/new_page_4.htm
    I used a old diamond viper card I had laying around. and I did not use any resisters. and it works great. very easy to do.







    Quote Originally Posted by danon
    Those who are doing this mod and were getting no signal at all, this might be the reason why...

    Some PSOne lcd regardless of the tft brand has the console input as well as an AV-in. This AV-in is a 3.5mm socket so you'll need a "3.5mm mono plug to rca socket" to accept a standard RCA cable. You can connect your video player (ex. dvd, vhs..) through this AV-in as PAL/NTSC. This type of PSOne lcd does not have an RGB_sync out.

    Even without dismantling the lcd casing the difference is obvious. If you look at the back, on the output side, the one that has an AV-in will have "TV Out" whereas the one that has an RGB_sync will have "Multi-AV Out".

    Surprisingly, the one who doesn't have an AV-in actually has more advantage for having a crispier screen (if you want to do the mod).

    I think the better option I guess would be to built an "RGB_sync decoder". I'm not sure how far I could go with this, but I would give it a try...

  6. #116
    Raw Wave kickercivic1's Avatar
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    HI would this card with with powerstrip? http://cgi.ebay.com/ws/eBayISAPI.dll...&category=3762

  7. #117
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    Ok I just picked up some of these at a local Target for $32.25 new, and have been playing with them. It seems that you can use a standard 1/8" av cable to input any stereo/mono + composite video source, and it will display very bright and crisp. I haven't tried the rgb mod yet, but I am going to try it tommorow.

  8. #118
    Variable Bitrate danon's Avatar
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    Quote Originally Posted by Phire
    Ok I just picked up some of these at a local Target for $32.25 new, and have been playing with them. It seems that you can use a standard 1/8" av cable to input any stereo/mono + composite video source, and it will display very bright and crisp. I haven't tried the rgb mod yet, but I am going to try it tommorow.
    Are you talking about a type of PSOne LCD?(that sounds really cheap) If that's for PSOne console then as I have explained that type of PSOne LCD only runs on composite AV, the rest of the 12 pins are for audio left in/out/gnd, audio right in/out/gnd, video in/gnd, 12v/gnd, and pal/ntsc switch. The one that runs on rgb_sync doesn't have the 1/8" (3.5mm) input.
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  9. #119
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    Anyone know if this works with the pioneer screens?

  10. #120
    Variable Bitrate danon's Avatar
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    Quote Originally Posted by justin_d12
    Anyone know if this works with the pioneer screens?
    the answer to your question is in post #114 and #118 of this thread

    .
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