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Old 12-04-2009, 07:58 PM   #1
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Default Anything salvageable from HP dvd1035 drive?

(I'm not sure where to put this thread, so if it belongs under another forum, please feel free to move it).

I have an HP dvd1035 drive that was replaced in my work computer. It does work, at least to the point of reading and writing CDs and DVDs. But it was causing my computer to hang after a while, so something went freaky inside it. It does still at least read CDs, and can burn CDs and DVDs....

The IT guy at work said to just toss it, but I was curious if there's anything salvageable inside it? Maybe not for a newbie like me to learn anything on, but maybe for someone else to use?

It's a DVD Multi Recorder (DVD RW + R DL) and CD-RW

Specifically, it's a model dvd1035i-4H10, made in May 2008. More details can be found here.

The warning label does state it's a Class 3B (visible and invisible) laser radiation device.

Can anyone use anything from this drive? Is this something I should hold on to? Would it be good to "practice" my disassembly skills on at least, to try to get the diode(s) out (strictly as a learning tool)? Or just trash it?

Thanks.

Edited to add: I found a thread here that talks about this exact drive. So maybe I can salvage something worthwhile!
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
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Last edited by daveindelaware; 12-04-2009 at 08:20 PM. Reason: found a similar thread
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Old 12-07-2009, 05:33 AM   #2
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Default Re: Anything salvageable from HP dvd1035 drive?

Dave;

That drive will have a nice Red diode in it.

It should be the one that reflects off the cube.

It will make a nice burner with an Aixiz module and glass lens.

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Old 12-07-2009, 03:53 PM   #3
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Default Re: Anything salvageable from HP dvd1035 drive?

LarryDFW,

Thanks for the reply. I haven't gotten "into" the drive yet to extract anything, but I plan on doing so soon. I'm both excited about this project and a little nervous/scared. This will not only be my first DIY laser project, but also my first electronics project. Ever. Meaning I have no experience in soldering, or handling something so "fragile" like LD's, electronics circuits, etc.

Everyone:

A few (OK, many) questions:

What should I salvage out of this thing? I mean, other than the laser diodes? Should I keep the IR diode for anything, too? Or toss the IR diode? Are there mirrors or lenses in there that will come in handy? Should I keep the sled, or housing, or other circuit boards?

As for constructing my laser:

Is the aixiz housing the only "option" I have for mounting the diode? Do I also need a heatsink? What sort of driver should I use? Is it easy to solder the driver to the diode? Is there a tutorial on these "basics" somewhere?

sorry for so many noob questions, but when it comes to electronics and lasers, well, I am a noob!

Thanks for any input.
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Old 12-07-2009, 05:00 PM   #4
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Default Re: Anything salvageable from HP dvd1035 drive?

When I disassemble an old dvd drive, very little gets in the garbage...

top and bottom case: Can be used for the steel, if you need a piece of steel of an odd shape, you can cut it out from the cover.

PCB: Some fine quality SMCs on this, just quickly blowtorch the PCB on the parts-free side and the components just drop off! Salvage caps, resistors, diodes, tiny electrolytics and other goodies.

motors (very small motors with high torque), gears, bearings and hardware like screws, washers and c-clips.

The sled itself contains a lot of very useful optics, dichros and splitter cubes, as well as the valuable red diode. Keep the infra diode, it might be useful just to practice on soldering and desoldering the tiny pins on it...

So I'm left throwing away a nearly depopulated PCB and the plastic case that holds the drive's innards.

Robert
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Old 12-07-2009, 05:03 PM   #5
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Default Re: Anything salvageable from HP dvd1035 drive?

Toss the IR diode....Keep the 20X red diode.

What kind of processor is in it....It might be worth it to sell it on ebay.

As for your other questions. Start by reading this.
Pro Tips w/ Spyderz20x6: Building your first DIY Laser!
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Old 12-07-2009, 05:21 PM   #6
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Default Re: Anything salvageable from HP dvd1035 drive?

roddenberry,

Wow. Sounds like 90% of the drive is of use somewhere/somehow. That's nice to know! Now, to convince my wife that I need to keep all this stuff laying around "in case" LOL....

Great tidbit on blowtorching the PCB so everything falls off. I never would have thought torching something like that would be a good thing. Great point to keep the IR diode for practice!

Thank you!


iskor12,

I think I'll keep the IR diode and use it as practice. I'll definitely be keeping the red one though! What sort of output can a 20x CD-R diode get?

I have no idea what sort of processor the drive has. I didn't even know those little chips inside were worth anything. I guess they can be used for other devices? Or do you mean the computer's processor? That still works, just this drive was crap.

And I've already saved that tutorial as a Word document, and I'm expanding on it by adding pictures and descriptions from each link, and my own notes. It will become my "Intro to DIY Lasers" notebook (with proper credit given of course) that I'll use to help me understand everything about this hobby a little better.

Thanks!
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Old 12-08-2009, 02:53 AM   #7
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Default Re: Anything salvageable from HP dvd1035 drive?

Quote:
Originally Posted by daveindelaware View Post
iskor12,

I think I'll keep the IR diode and use it as practice. I'll definitely be keeping the red one though! What sort of output can a 20x CD-R diode get?

I have no idea what sort of processor the drive has. I didn't even know those little chips inside were worth anything. I guess they can be used for other devices? Or do you mean the computer's processor? That still works, just this drive was crap.

And I've already saved that tutorial as a Word document, and I'm expanding on it by adding pictures and descriptions from each link, and my own notes. It will become my "Intro to DIY Lasers" notebook (with proper credit given of course) that I'll use to help me understand everything about this hobby a little better.

Thanks!
I feel dumb...I thought that you where talking about a laptop...not just a cd-rom drive.
Yes, I meant the computer's processor.

That 20X red diode should be able to put out about 250mW @ 400-420mA and a glass lense + a good heat sink. ( I usually stick with 380mA...to lengthen the life of the diode)
A 20X diode is most likely a Long Open Can diode.


If you have any other questions, feel free to ask or even PM me.

Last edited by iskor12; 12-08-2009 at 02:57 AM.
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Old 12-08-2009, 04:28 AM   #8
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Default Re: Anything salvageable from HP dvd1035 drive?

iskor12, Don't feel dumb! I guess I just got confused with what you meant. Thanks for the info and chart! It sounds like this is quite the decent diode, huh? I never expected it to be that high of an output, but I guess it would have to be a burning diode since it came from a burner. LOL.



Well, I suppose I'll continue with this thread as my "progress report" thread.

Tonight, I decided to go as far as I could with a "regular" screwdriver, just to see how close I could get to the diode center of a DVD drive. I actually got farther along than I expected. I've never dissected a drive like this before, so I may have done it "wrong" here and there, but I'm guessing it's the end result that counts, right? I took progress photos as I went along, too. I'll upload and link those later.

Here are the photos and related steps I took. I'm not posting EVERY photo here. I'm sure you've all seen DVD drives opened up before for some reason.

01: Overall drive
This is just an overall view of the drive. Nothing great.

02: Label close-up
Close-up view of the label on the bottom of the drive. It's a relatively new drive.


03: Took outer cover off
Here's where the fun begins! I simply started taking what I could off/out.


04: Unplug cables
I simply pulled on the thin cable on the left, and it came right out. The wider cable has little clasps on each end that you have to pull out so the cable is released.

05: Took faceplate off
I'm sure I went about this all wrong. I just took a flathead screwdriver, pushed each tab in, and then pried at each side until it popped out. After getting it off, I figured there was probably an easier way of doing that. Oh, well. LOL.

06: Took tray board out
There are small tabs holding the board in. I started at the left side, and released the board from under the tab. Next I released the tabs in the middle (tray). Then I pulled it past the right-most tab. It came out very easily.

07: Took main board out
Same idea as the previous board: pull the tabs out so the board can move past it. I started on the right tab, and it pretty much just fell out after that.

Time for the next "layer"!


08: Took spindle motor out
Three screws hold this motor in place.

09: Took auger motor out
Two screws hold this little motor in place. I also unplugged the little cable.

10: Took outer case off
With a little bit of wiggling, the plastic "frame" came out of the metal case

11: Pushed rubber absorbers out
I'm not sure if this was necessary at this point, but I did it anyway. I just used my screwdriver to push the rubber shock absorbers through their housing.

12: tray view
There's a tab that prevents the tray from sliding out. So I just slid the tray as far as it would go, pulled the tab back, and wiggled the tray all the way out.


13: tray removed
now with the tray removed, it's time to "attack" the sled assembly. After unscrewing the larger screws holding the upper rubber shock absorbers to the frame, the whole thing came loose.


14: sled and frame
The other side of the sled

15: sled and frame - lens side
With the removal of two more screws (a), and a slight "shifting" of the thin meandering spring (b), the module will be free to come right off the rails. Don't drop it! LOL.


16: all apart!
All the sled assembly pieces. Not much to show.

17: finally off the rails
All that's left is the cable. The cable is held in by a "latch" on the top side. Just open the latch and the cable falls out


18: labels
The two labels near the diodes

19: labels
Another photo of the labels.

20: diode end
I can see where that larger cable came into this module. Then it split off into two copper "cables" which seemed to go to each diode.


21: lens
View of the lens side.

22: different angle
another photo of the power cable and heat sink



This is as far as I can go for tonight. I don't have any really tiny screwdrivers! Plus, there's some kind of blueish-green stuff around the screws. I assume this is a lock-tite kind of product.

This final "assembly" seems to be a circuit board on one side where the lens is, then a copper-colored cover on the other side. I don't think I can see any of the laser diodes directly at this point.

If I follow the ribbon cable (now removed) onto the diode/optics board, there are three distinct pins. Then there is a copper colored "ribbon" going to each diode. The one diode's pins are almost lined up in a line, and the heat sink is "exposed" on the edge of the plastic assembly. I think this is the IR diode.... The other diode's pins are more radial, but a copper "cover" hides the actual heat sink and diode from view. I'm guessing this is the red laser diode. But I could be wrong.

On that copper cover are two small labels. I'm guessing they're indicating information for each diode inside? I have no idea what the "gibberish" image part of the labels says, but the text is easy to read.

One label is blue and simply has:

10G

The other label is black and has three rows of characters:

8110K1--B
DS17LV1 I
DJ3ROI3FH

What does all this mean?

So, what's my next step? Do I unscrew all the screws on this assembly now (after getting past the lock-tite)? It seems like the copper cover thing is around the one diode. I just don't want to tear into it and break anything trying to disassemble it to get to the diodes.

Hopefully the photos can help you see what i'm talking about. If you need a different photo/view, please let me know.

Thanks for reading along everyone.
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
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- Researching: Sources for unique hosts
- Work-in-Progress: red diode extraction from HP dvd1035 drive
- Work-in-Progress: Computer PSU mod
- Future Orders: components for DDL Driver, LEDshoppe 50mW Green
- 1st Laser: red keychain pointer (was FREE)

Last edited by daveindelaware; 12-08-2009 at 03:27 PM. Reason: Uploaded and annotated photos
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Old 12-08-2009, 03:35 PM   #9
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Default Re: Anything salvageable from HP dvd1035 drive?

Good going Dave, Your next step will be to go to the dollar store and get a set of mini jeweler's screwdrivers... or buy higher quality stuff at the hardware store like: DealExtreme: $10.17 Precision Screwdrivers for Electronics DIY (34-Piece Set)
I have a kit similar to that and the scrtewdriver tips are very sturdy. You might have to apply a bit of pressure while turning very slowly to loosen the screws without stripping them.

When you get to the optics... a screwdriver is a lens' worst enemy... use either a small wood dowel or a plastic wedge to pry off the various lenses and prisms, drop them on a piece of lint free tissue and save them for further experimentations. The diodes will be encased in small metallic blocks (the heat sinks) that you can just pry off the sled with a tool. be careful not to send the poor diode flying off!

Then check out some of our member's youtube videos on how to "harvest" a diode from a heat sink without utterly destroying it. As I mentioned, practice on the IR diode before attempting to free the red diode. If you f**k up with the IR, you will have learned how not to repeat the same on the valuable red diode.

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Old 12-08-2009, 04:05 PM   #10
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Default Re: Anything salvageable from HP dvd1035 drive?

Thanks, roddenberry. I'm now in unknown territory for myself and my skills, so any tidbit of advice will be greatly appreciated! I'll definitely work with the IR diode first, once I figure out which is which. I'll re-read the tutorial about using a small file to get through the heat sink material.... I'm more of a "short fuse lose my patience and beat something with a rock" kind of a person, so this intricate fragile electronics stuff will be a test of my willpower and patience.... LOL.

I'm a little worried about Dollar Store tools. The quality is obviously sub-par, and I can foresee stripping the crap out of tiny screwdrivers.

I guess in addition to the jeweler's screwdrivers, I should also pick up a soldering iron and some solder.

Anyone know of a store (East Coast, USA) where I can find a good deal on quality supplies? I have a Harbor Freight, Wal-Mart, Radio shack, Sears, Target, Pep Boys, Auto Zone, Tools and More, and various hardware stores really close to my apartment. Where would you go to shop? Also, keep in mind that I'm on a budget, so I want to find a good balance between affordability and quality.

I suppose I may as well order the laser-related items now, too....

I'll get a few Aixiz housing assemblies (I'm sure this won't be the only laser I try to make myself). I've seen sites that sell them without diodes, and some sites that do. Where's the best place to get them in your opinion?

One thing I'm unsure about is the driver. Yes, I know there are a few great drivers out there... but which one do I want? And not only for this project, but for future projects, too? Should I buy a few of the same one, or buy one at a time based on my needs for the specific peoject?

Does this need a heat sink, or does the Aixiz housing act as a heat sink?

As for a host, I'm leaning towards an MXDL type of flashlight housing. Although I wonder: can the "components" simply be attached to a block of wood, like a simple home lab laser?

Again, thanks for everyone's help!
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
- Researching: DDL Driver Construction, computer PSU mods
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- Work-in-Progress: red diode extraction from HP dvd1035 drive
- Work-in-Progress: Computer PSU mod
- Future Orders: components for DDL Driver, LEDshoppe 50mW Green
- 1st Laser: red keychain pointer (was FREE)

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Old 12-08-2009, 05:36 PM   #11
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Default Re: Anything salvageable from HP dvd1035 drive?

I have found that for your basic stuff, Harbor Freight is actually a pretty good bang for your buck. Best part is, if any of the tools break, they will usually replace them for free.

You are also going to need the following(especially if you plan on building a laser)....sorry if I am repeating anything that some one else already said.

1.) Helping hands (They help make things easier when it comes to soldering small parts)
2.) Jewlers tool kit (small screwdrivers)
3.) Small Vice (for putting the diode in the Aixiz? Module)
4.) Soldering Iron (Low wattage)
5.) Soder Wick
6.) Plenty of work light (You got to be able to see what you are doing.)
7.) Laser Driver (Because connecting the diode strait to a battery will likely kill it)

The list does go on........especially when you start building the laser.

Last edited by iskor12; 12-08-2009 at 05:47 PM.
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Old 12-11-2009, 06:00 PM   #12
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Default Re: Anything salvageable from HP dvd1035 drive?

Quote:
Originally Posted by iskor12 View Post
I have found that for your basic stuff, Harbor Freight is actually a pretty good bang for your buck....
Since I drive right past a Harbor Freight on my way home every day, I think I'll just use them as my equipment supplier, especially based on their prices and my "noobness" in this hobby. I can always upgrade to better equipment in the future.

Here's my wish list. Please tell me if I'm missing anything important:

- Jumbo Helping Hands
- 32-piece or 33-piece precision screwdriver set
- 30W soldering iron
- Solder (rosin core, lead-free)

These items will run me a whopping $24. LOL. I also belong to their "email list" so I often get a 15%-25% off one item coupon, so that'll save me a little more.

I already have an "adjustable" wire stripper (was my Grandfather's) and a small vise.

Thanks for everyone's continued support and input!
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
- Researching: DDL Driver Construction, computer PSU mods
- Researching: Sources for unique hosts
- Work-in-Progress: red diode extraction from HP dvd1035 drive
- Work-in-Progress: Computer PSU mod
- Future Orders: components for DDL Driver, LEDshoppe 50mW Green
- 1st Laser: red keychain pointer (was FREE)

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Old 12-11-2009, 07:19 PM   #13
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Default Re: Anything salvageable from HP dvd1035 drive?

Good start Dave... the helping hand is nice but don't use it for anything more than holding wires to a component while soldering... anthing heavier and the part may slip from the alligator clips.

The 33-piece kit' driver looks smaller, go for that on, since it may be quite useful in hard to reach holes where a regular driver might not fit.

the iron is a good bargain. I'd go for a 3-prong grounded unit but this one is gonna be fine.

Careful with the solder though... I'm not too keen on leadless solder, it has a higher melting temp than eutectic 63/37 solder and be especially sure you're getting the "organic rosin" core solder and not the acid core solder used in plumming (real bad for electronics)

A good vise with a rotating head is a good thing, but a plain old little vise like the one below will be quite useful to securely hold heavy stuff for grinding, bending, twisting or soldering on a PCB.


Now go on the DX site, in the Electronics/Professionnal Tools section and go apeshit! Lots of great goodies from inexpensive meters to solder paste and ultrafine tweezers for "reeeal cheeeeep".

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Old 12-11-2009, 07:50 PM   #14
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Default Re: Anything salvageable from HP dvd1035 drive?

Thanks roddenberry!

Yeah, I figured those alligator clips wouldn't hold up a car or anything. LOL. I do like that Helping Hands, since it also has a coiled iron holder, sponge holder, and a light and magnifying glass.

I'll go for the 33-piece set. Good point on getting into tighter spaces with that set vs other ones.

I remember reading about plumbing solder being BAD for electronics. While I'm at HF I'll look at the other solder they have and get something more appropriate (63/37).

I also have an analog (moving needle) multimeter. I'm guessing that'll come in handy one of these days, too.
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
- Researching: DDL Driver Construction, computer PSU mods
- Researching: Sources for unique hosts
- Work-in-Progress: red diode extraction from HP dvd1035 drive
- Work-in-Progress: Computer PSU mod
- Future Orders: components for DDL Driver, LEDshoppe 50mW Green
- 1st Laser: red keychain pointer (was FREE)
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Old 12-12-2009, 02:18 AM   #15
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Default Re: Anything salvageable from HP dvd1035 drive?

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Originally Posted by daveindelaware View Post
I remember reading about plumbing solder being BAD for electronics. While I'm at HF I'll look at the other solder they have and get something more appropriate (63/37).
If they don't have it, stop by your local Radio Shack. They will have it
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Old 12-12-2009, 03:35 PM   #16
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Default Re: Anything salvageable from HP dvd1035 drive?

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Originally Posted by iskor12 View Post
If they don't have it, stop by your local Radio Shack. They will have it
They're close, too. Will do. Thanks!
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- Researching: Red and Green lasers for firearms sight applications (handgun and AR-15 platforms)
- Researching: DDL Driver Construction, computer PSU mods
- Researching: Sources for unique hosts
- Work-in-Progress: red diode extraction from HP dvd1035 drive
- Work-in-Progress: Computer PSU mod
- Future Orders: components for DDL Driver, LEDshoppe 50mW Green
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