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Thread: Making the RGB signal stronger?

  1. #151
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    Help needed...

    Greatings, guys,
    I'm new to this forum postings, and I donít really know its rules, but I would really be grateful if someone out there could help me. Sorry for my linguistic errors, I'm Italian and my English is quite rusty. I currently live in Beirut - Lebanon (yes, Middle East) for work.
    Down to business. I've managed to buy a 4 inch LCD that was passed as an original boxed Sony. So imagine my surprise when I found, reading a post by Oracle, that it was an Interact model (Lebanon IS paradise for brandsí piracy).
    I've tried the same things every one on this forum went through, and still no image. So I was wondering if some one was able to obtain something out of it, or if it's a cheap LCD with no RGB feeding, only S-video (Oracle, if you read this, please reply, you have my same exact LCD). Cause tracing the circuit on the connection's PCB, it seems that only the S-Video pin is actually conveyed to the screenís controller, the RGB signal is just passed through to the MultiAV Out.
    I would really be grateful for any suggestion. Thank you.
    Beltfed

  2. #152
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    Sep 2004
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    Ok, I got this thing working using the hsync / vsync to csync circuit with my 5900xt.
    Only problem I'm having is to to get Winxp to detect it when it's connected as a second monitor.
    I'm using a video cable with pin 9 in it (without it the screen wouldn't kick on).
    Is there something I'm missing? I really don't want to install a second video card.
    It does work when connected to my system as the only screen (as in on boot).
    But when I'm in XP and try to get both monitors working I don't have any luck.
    I even tried conneting another monitor and removing it after it was detected.
    But when I connect the Psone, it's just ignored.
    Hope someone has the trick.

  3. #153
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    Aug 2004
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    I have a Kenwood Unit which has RGB input in the form of a round 13pin din, could this mod be used for that as well? I've love to get VGA into the RGB, so much better than RCA

  4. #154
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    need some help

    hey everyone... I know this is an old thread but im been trying to find info on this forever. After finally finding it I am still a little confused about a something.

    Well first off i got one of these psone screens from a friend. He had lent it to me and it was pretty trashed already so he didnt really want it back. The screen seemed to be fine (and it was/is) but the problem look to be something on the board with the switches and signal converters. I was able to rig it to test if it still worked then tryed to duplicate the board with failed results. So now i have the lcd without the inbetween board and dont know what wire is what signal.

    So if anyone can help i would be so grateful!!!

    this is a view of the back of the lcd with the 'ntsc' (labled so on the other side of it) attached:

    :::Click to enlarge:::

    the question is, does anyone know what the input would be from here and/or what each wire is

    :::Click to enlarge:::

    it appaers to be pin4, 6, 7, 8, 10, 11, and 12.

    at first i thought it was the matched directly to the playstation av out but it doesnt seem to match up. anyone know?

    thanks...

  5. #155
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    holy crap franki, ive been looking for help with the EXACT same lcd for a very long time now. if you happened to have found any info, a relay would be greatly appreciated.

    btw, sorry about bumping a super old thread, but i need all the help i can get.

  6. #156
    FLAC mbkowns's Avatar
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    uber OLD
    2005 Ford Mustang GT <- - - UPDATED PICTURES

    2003 KAWASAKI Z1000 - CUSTOM MODZ

    MBK (AIM = IllMBKllI)

  7. #157
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    hey guys i read through the first 3 or 4 pages but now my eyes are starting to go a bit weird cause it is midnight and i am dead tired. i am well impressed with ur project M PRO i think it was brilliant i want to do the same thing but i want to mount the ps1 screen in my media pc's case now i have a 6600gt gfx card and i want the ps1 screen to b the only monitor and then have a tv running off the conposite out. will it b ok doin it like that? i have installed powerstrip on it and it has the 640X480i (arcade) res in the list am i all go to purchasing the ps1 monitor???

  8. #158
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    Quote Originally Posted by Franki
    this is a view of the back of the lcd with the 'ntsc' (labled so on the other side of it) attached:
    what is the number of that square IC used in this circuit?....i cant see the number from the resolution of this picture....
    if you can give the number or a high-resolution picture, then its possible to get the datasheet of that semiconductor used and find the video input.

  9. #159
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    Apr 2007
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    Ka-BUMP

    Yeah Yeah Yeah....I Know it's an old thread and I know that some of you Hate bumps, especially when they are trying to resurrect the dead.

    BUT....

    I have been cruising MP3Car forums for a little while now and after coming across this little mod, I went and dug out my PSOne screen along with my PSOne and thought to myself that this mod would be Juicy.

    The only thing is, I'm smart enough to know that I'm Not smart enough. I don't need to be Spoon-fed, I just need a little more direction.

    The reason I'm bumping this thread is that after reading through all this fluff, as informative as it is it only offered more confusion, I have FINALLY come across what I was looking for.

    FRANKI has an InterAct Mobile Monitor. I know this because I'm staring at the exact same thing. The difference is that I have one that is intact and works like the day I got it.

    I need to know the pinouts of pretty much everything, simply because I can not seem to find it anywhere else online. (Oh My, how I have tried.)
    The LCD is a NTSC TFD50W32-B2 from Toshiba.
    There are a total of 6 actual PCB's of various sizes. (Although one is the actual back of the lcd.)
    The AV Multi output(female) from the back of the PSOne goes to an AV Multi input(male) on the front of the base that attaches to the back of the PSOne.
    On the back of the base there is another AV Multi output and the RCA's plus the 7.5V DC plug.







    Hopefully, this may prove fruitfull in allowing you to better understand exactly what I am looking at and perhaps better help me out.

    Sorry bout the large pics.

  10. #160
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    Hey Snuff. I have that interact screen also. I had it in my car from 2002 to 2006 until I changed cars. I had always used the crappy composite input. Quick & dirty won out.

    Hey it survived four winters and is still kicking. I'm finally getting around to setting up my new car and came back to see if anyone had found a vga solution. My understanding from this thread is that there isn't any.

    This datasheet suggests its main chip is RBG capable but since the interact was never wired to use RGB I don't know what would need to be modified on the circuit board.

    http://www.alldatasheet.com/datashee...RB5P0090M.html

    Here's the datasheet for the chip:

    http://www.alldatasheet.com/datashee.../IR3Y29AM.html

    I have some photos of the screen from way back:

    http://www.seanster.com/gallery/psone_lcd

    I have a pocket underneath the stereo that would be perfect for a foldout lcd and this baby fits right in there. But I probably shouldn't go to all the trouble just to be stuck with crap ntsc again.

    I'll keep looking around for a while. I have more time than money this time around... If I can't find any solutions I may just shove the lcd in a small box and make some sort of ghetto velcro mount.

    CN3 is the connector that interact uses and definitely does not have any RGB capability.

    CN4 is to the immediate left of CN3 and I had suspected it would contain the RGB inputs.

    Sure enough, the RGB signals are on pads B-8,R-9,G-10. The resistors and capacitors for ac coupling are populated on the board so it looks ready to go.

    I'll look into the sync sistuation and report back.
    -Seanster

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