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Thread: NEWBIE, would like some advice on getting this laser to fire up.

  1. #1
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    Default NEWBIE, would like some advice on getting this laser to fire up.

    Hey guys im new to everything here.

    I tore this out of a RGY model i ordered online. The glavo's on this unit didnt work, so i tore out all the parts i though i could salvage. What i would like to do is get this to fire up as a single beam. my later intentions will be to add it to my color projector .

    My question is, how do i figure out how much power it needs to start up and how would one add another modual to an existing unit as far as controlling the beam to fire when the other green one does.

    If im not asking this in the right way, please help me clarify my question. I have attached a pic of the green mod i have that is in question.

    Thanks guys.
    Attached Thumbnails Attached Thumbnails 163212_1503521273451_1396806805_31067302_3184525_n.jpg  

    Weiland Kirkwood
    Columbia SC
    Elemental Entertainment
    weiland@elementalsc.com

  2. #2
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    i see a blue and brown wire, so this implies mains power (110 or 220 VAC). but are you willing to take the chances?

    can you remember how exactly it was connected in the projector?
    "its called character briggs..."

  3. #3
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    Quote Originally Posted by Weiland View Post
    Hey guys im new to everything here.

    I tore this out of a RGY model i ordered online. The glavo's on this unit didnt work, so i tore out all the parts i though i could salvage. What i would like to do is get this to fire up as a single beam. my later intentions will be to add it to my color projector .

    My question is, how do i figure out how much power it needs to start up and how would one add another modual to an existing unit as far as controlling the beam to fire when the other green one does.

    If im not asking this in the right way, please help me clarify my question. I have attached a pic of the green mod i have that is in question.

    Thanks guys.
    Weren't you able to measure it first when firing up the projector?
    even when the galvo's were broken

  4. #4
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    it also appears to have a modulation input near the pots at the far right of the driver - i'm betting finding the plug that was originally in the projector, and feeding the red and black wires on that plug, 5VDC, would fire it up, but yes we need to know first wether it is a mains or DC powered module.

  5. #5
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    Quote Originally Posted by Weiland View Post
    I tore this out of a RGY model i ordered online. The glavo's on this unit didnt work, so i tore out all the parts i though i could salvage. What i would like to do is get this to fire up as a single beam.
    Do you still have the parts of the original projector? If so, that will make it easier to tell what voltage this laser needs. There are two likely possibilities:

    1) It has a built-in AC/DC converter inside the driver module, and the blue and brown wires are designed to be hooked up to the incoming 110V AC power. (This is my guess, but I'd do some further checking before I hooked it up if I were you.)

    2) The projector had a master AC/DC power supply someplace, and this laser was fed +5 volts DC from that other power supply. If this is the case, then the existence of that main power supply should be obvious.

    Is this a picture of the projector it came out of?

    how would one add another modual to an existing unit as far as controlling the beam to fire when the other green one does.
    That depends on what you're trying to do. If you want to build a full color projector, then you'll need optics (dichros) and mounts to mix the various colors (red, green, and blue) together. Then you need a controller that will modulate those lasers in sync with the scanners as they're drawing the image. The result is full-color vector artwork being drawn on the wall.

    You are only about an hour and a half away from me. If you've got some free time after the holidays, I'd be happy to get together with you in person and have a look at that unit.

    Adam
    Last edited by buffo; 12-20-2010 at 11:12.

  6. #6
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    Quote Originally Posted by dash8brj View Post
    it also appears to have a modulation input near the pots at the far right of the driver - i'm betting finding the plug that was originally in the projector, and feeding the red and black wires on that plug, 5VDC, would fire it up, but yes we need to know first wether it is a mains or DC powered module.

    me thinks that's no modulation input, just the fan's power lines
    "its called character briggs..."

  7. #7
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    Quote Originally Posted by LaNeK779 View Post
    me thinks that's no modulation input, just the fan's power lines
    I think you're right. But I did spot a 2-pin plug at the right-hand side of the driver, near the connector that goes to the laser head.

    I have a suspicion that is a TTL modulation input. I need a closer look at the PCB to be sure.

  8. #8
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    oh yes, there is an empty socket there! good eyes lad

    the fan socket i refer to is actually on the left side
    "its called character briggs..."

  9. #9
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    FIRST OFF ! I want to say "THANKS" for the replies, YES i know i know, i have been MIA . . . as life does to us and now a 3rd kid on the way WHOOOOO hOOOO Diapers AGAIN... fun times ... LOL !

    Ok . . (The pic in this post that ''Buffo'' posted is RGBv version of the laser, I compared the 2 projectors and the way they have them set up is the same . . . from what i could tell all the did when you order a projector is add the colors you desire and at what Mw you order.) so with that being said,

    LaNeK779 - yes i know how it was hooked up, it was attached to the power supply splitter. The "CHEESE" grater looking thing

    MaserPJ - As i said, im just a newbie learning . . . didnt think about it when i took all the parts. BUT will make sure on the next one ...

    Dash8brj - umm . . . it used a regular 3 prong plug, like the one used for a computer. 110 as far as i know.

    Buffo - yes that pic is the color one i bought back a year ago for fun to learn. The main power comes in at the left top.

    Then gos to the "CHEESE" grater looking thing below it. a (power splitter i think)

    All the laser modules connect to the Splitter on the back for their own power.
    The Blue and Brown WERE connected to the power splitter.

    The empty slot you see is the wire that went to what i would call the " Main Brain board " Controller Board
    The fans are on the backs of the Laser mod and the driver , i believe they are powers off of the board they are attached to. with a MAIN power coming in from one place. IE. Blue and Brown wires.

    I hope i answered everything.
    THANKS AGAIN GUYS FOR THE HELP !
    Weiland Kirkwood
    Columbia SC
    Elemental Entertainment
    weiland@elementalsc.com

  10. #10
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    The device you are calling a "splitter" is almost certainly an AC-powered DC power supply. If you check the output voltage of that supply, you'll know what the laser module needs. And my guess is that it's 5 volts DC...

    I know you're going to be busy for the next couple weeks. Sorry for your loss. When you get things taken care of with your family, give me a call. You are close enough that we could get together in person and settle this fairly easily. Give me a call at your convenience at (843) 324-0735 and we'll chat.

    Adam

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