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Old 07-22-2013, 03:20 AM   #1
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Default Sdlaser 303 host issue

Anyone know how remove the internal components from this type of host safely

https://www.google.com/search?q=sdla...RYs1H6gXJGM%3A

I bought a 50mw 532nm from ledshoppe and it worked the first day but now it's not doing anything and wanted to check and see if the wiring need to be re-soldering but it seems to be imbedded in a type of "washer" approximately 3mm thick, I can't figure a single way to get it out without destroying the host
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Old 07-22-2013, 03:35 AM   #2
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Default Re: Sdlaser 303 host issue



This was in the search you provided. Every part laid out. Pretty straight forward.
To what "washer" are you referring?
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Last edited by Speedy78; 07-22-2013 at 03:36 AM.
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Old 07-22-2013, 03:40 AM   #3
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Default Re: Sdlaser 303 host issue

Yes exactly, but i can't seem to unscrew the top part of the laser closest to the diode it's self it just won't budge, doesn't even look like it should unscrew
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Old 07-22-2013, 03:42 AM   #4
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Default Re: Sdlaser 303 host issue

What top part? There is the focusing part and below that the threaded part that unscrews. It may be on tight and or manufactured with some sort of glue. It may require a heat gun and some strap wrenches to loosen.
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Old 07-22-2013, 03:56 AM   #5
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Default Re: Sdlaser 303 host issue

The part that is threaded on not the focusing part
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Old 07-22-2013, 03:58 AM   #6
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Default Re: Sdlaser 303 host issue

heat it up, wear gloves, and twist hard. Like I said, you may need a heat gun. Maybe a hair dryer will work. Don't grip it with pliers. That will for sure scratch it or damage it.
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Old 07-22-2013, 04:04 AM   #7
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Default Re: Sdlaser 303 host issue

Okay so I go that down now how do I extract the internal components? I'm thinking the solder is melted where the circuit board it soldered to the diode I want to get to that part
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Old 07-22-2013, 04:10 AM   #8
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Default Re: Sdlaser 303 host issue

That aluminum part is your heatsink and is wrapped around the green module. It should pull out once the front is removed. As you can see from the picture the driver is soldered directly to the pump diode. There will be two of the pins soldered to the same pad on one side and the third pin soldered to the opposite side of the driver by itself.
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Last edited by Speedy78; 07-22-2013 at 04:11 AM.
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Old 07-22-2013, 04:11 AM   #9
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Default Re: Sdlaser 303 host issue

Just what I thought two wires have come UNsoldered... Disappointment cause I don't with to solder back to which...
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Old 07-22-2013, 04:12 AM   #10
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Default Re: Sdlaser 303 host issue

Are you able to post pictures of your issue?
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Old 07-22-2013, 04:19 AM   #11
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Default Re: Sdlaser 303 host issue

I could try let's see if they are of good enough quality
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Old 07-22-2013, 04:20 AM   #12
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Default Re: Sdlaser 303 host issue

Use a macro setting if your on your phone and adequate lighting. Make sure its in focus.
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Old 07-22-2013, 04:30 AM   #13
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Default Re: Sdlaser 303 host issue

This is the best I could take without it being super blurry bad ipad 2 camera lol but yeah I don't really know much about soldering, I'm only 17 I would gladly send it to some one on here to fix it for me I'll pay shipping both ways plus the cost of supplies to fix it if its even worth fixing it was only 34$ the circuit board broke off bout 5 mins ago so yeah

http://i44.tinypic.com/2cnxt0m.jpg

http://i40.tinypic.com/xle3wy.jpg
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Old 07-22-2013, 04:43 AM   #14
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Default Re: Sdlaser 303 host issue

Its a little blurry. I see one collapsed pin and the others appear to be missing?

both the pins that have the little black circles around them are your negative. (well one is the other is just hanging out for fun) These are the ones that are soldered together on one side of the driver.

The pin that doesnt have the black circle and looks like its touching the case of the diode is your positive and soldered to the opposite side of the driver.

Sadly if your pins are bent, straightening them will most likely result in them snapping off. If they are missing then there really isn't anything you can do.

Maybe contact the person you purchased it from. There is also a possibility you can find a green module the same or similar to the one in there and just replay it. I cant say I have seen any around that short but you may get lucky.
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Old 07-22-2013, 04:47 AM   #15
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Default Re: Sdlaser 303 host issue

Meh it was only 34$ I know I'll never order from ledshoppe anymore horrible solder contacts, I ordered a 100mw from lazerer I heard max is great about helping customers if they have issues
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Old 07-22-2013, 04:49 AM   #16
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Default Re: Sdlaser 303 host issue

Thanks for all your help man, I was a lost cause before you came to the rescue.

I can now say I'm officially addicted to lasers.
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Old 07-22-2013, 04:50 AM   #17
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Default Re: Sdlaser 303 host issue

If your up for building your fist laser you could mail one of our machinists that host and they could turn you a heatsink for a 12mm module. Would be a good learning experience and help you get back on your feet LPF wise.

Max has been hit or miss lately. There were a few negative threads out there but today I saw a positive one. Who knows. I hope all goes well for you.

Speedy
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Old 07-22-2013, 04:52 AM   #18
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Default Re: Sdlaser 303 host issue

What would be the cost? For per say a 50mw 405nm
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Old 07-22-2013, 05:08 AM   #19
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Default Re: Sdlaser 303 host issue

PHR-805

Shipped from china but I think that's you're only shot at the moment with cliff out. If you want an S06J 405 you can contact DTR. But it will be around 50$USD. Not sure how low you can run it but people run them hot at 400-500mA for 500-800mW. But they can always be under driven.

As for the heatsink, it would cost shipping of the host there and back plus whatever is charged for the heatsink. Probably in the 30$USD range. Could be more or less. If you do the 805 you can probably get a nice build for a total of around 70USD spent seeing as your already down 34 for the host then shipping both ways + heatsink, driver, and diode.

Read the stickies and familiarize yourself with different parts and build processes.
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488nm Uniphase Multi-Line Argon 48mW/73mW in current control;
496.5nm ML Argon
501.7nm ML Argon
514.5nm ML Argon
532nm SkyRay King Gre3n 35mW/60mW/70mW~Phobos Fasttech 70mW~Optotronics RPL-500 450mW~JetLasers Ti B 170mW
543.5nm Bare tube HeNe ~3mW (Nightstand lamp)
632.8nm Bare tube HeNe ~3mW~Bare tube HeNe Multimode 12mW (Desk Lamp)
638nm Mrcrouse Custom 650mW
658nm wannaburnstuff baby shower gift? 127mW
808nm Coherent CCP 10W

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"The right man in the wrong place can make all the difference in the world."
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Old 07-23-2013, 07:15 AM   #20
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Default Re: Sdlaser 303 host issue

I'm just going to go with lesson learned about cheaper lasers
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