Teardowns I've Worked On
Answers
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Answer to: Why my lighter and stereo wont work thwy dont have power
There is definitely a fuse. Check this: http://hondaaccordforum.com/forum/archiv...-1759.html -
Answer to: EEE Slate EP 12.1 Upgradeable
Yes, they can. Please refer to this partial teardown: http://forum.tabletpcreview.com/ep121-slate/38468-look-inside-ep121.html -
Answer to: new battery, dies everytime mower is stopped.
From the ignition switch, follow one of the red wires to a fuse holder. Check that fuse and replace it if necessary. Check the other red wire and follow it to a 3-pin connector. Make sure that connector is fine, and then keep following the wire to a diode. If everything else is good, then you might try replacing that diode. It might be internal to the motor, though. I found the parts diagrams for your mower by searching for murray + the model number. They showed the wiring diagram. You can also get replacement parts there. -
Answer to: What can I do to release the sim tray?
Edit: Victor's idea of using a 0.1mm metal feeler gauge looks like the best solution. It needs to be inserted into the side closer to the screen. If there's any room to slide a piece of paper or mylar plastic between the top of the tray and the slot, then that piece of paper or plastic may help prevent the card from hitting the side of the case. You might try shoving the plastic in deeply, the pulling on it a little as you try to release the card. Also, have you tried holding the iPad with the screen facing up while trying to release the tray? If you look at the first picture in the iPad 2 3G/CDMA teardown, you'll see what the problem can be. If you made the card a millimeter too short, the SIM spring contacts will push the SIM up against the chassis and prevent it from ejecting. You'll need to find some way to shove something, whether flat like paper or perhaps something like a stiff thin wire, into the space between the tray and the slot and use it to keep the card's front edge down as it is ejected. If the... -
Answer to: Where is the GPS in CDMA iPad?
Apparently, the Qualcomm MDM6600 performs that function. At least, that is what everything thinks (as shown by a web search). -
Answer to: Need to get into DFU mode - broken home button
First, I'd try to diagnose the home button a little. If you hold multimeter probes to the button contacts, does the meter register any continuity when you press the home button? If so, then the switch itself works, and you need to try and clean the contacts. Otherwise, you can get a replacement front panel pretty cheaply (not including the LCD). Short of that, though, you might try just lifting the front panel up just enough to touch the mating contact points with a metal object to short them together (ie, this should electrically be the same as pushing the button). If you look at step 3 of any of the guides, you should see the two gold squares between the fingers of the left hand; those are the button's mating contact points. -
Answer to: How to open case & remove drive
I had a case like that; I believe I was able to remove the screws using a small flat screwdriver that was able to fit tightly enough into the screw head. Once I removed the screws, I replaced them with regular phillips head. -
Answer to: How can I fix a garbled e-ink screen?
Screen problems like you describe could be due to the flex cable not making proper contact with the circuitry on the glass layers. This may or may not be easily fixed, depending upon how the cable is attached. Sometimes there's just a clamp that requires more pressure. But usually it's bonded with adhesive, and this may be impossible to deal with without specialized equipment. But if you are able to open up the device and still have it operable, sometimes you can just try squeezing on different parts and see how that affects it. -
Answer to: Problem with the Canon PowerShot A80 Digital Camera
If the new pictures you take don't look right, then this sounds like a CCD imager failure. Canon has an on-going free repair program for this. See this link: http://www.usa.canon.com/cusa/support/co... However, if the new pictures you take look okay, then you've got another problem.
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Notes
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iPad 3 4G Teardown
The headphone jack assembly is also a hub of sorts that brings together many smaller connectors into a single large connector for the motherboard.
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iPad 3 4G Teardown
The new display may also require more power than the old. 4X as many transistors, after all.
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iPad 3 4G Teardown
Looks like there's a proximity sensor underneath the camera.
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Nook Tablet Teardown
Assuming it's like the Nook Color, those are just plastic stickers over regular Torx T5 screws. Not quite as "insidious" as some have suggested.
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Nook Tablet Teardown
The similarities with the original Nook Color are remarkable. Aside from the general physical layout of everything, note the unpopulated WAN radio area, the unpopulated 6x6 BGA area next to the flash chip, as well as the white/pink wetness sensor pads. New on this model is what looks like a mini or micro USB connector that could go to the WAN radio. There's also a mystery J802 near the power switch connector.
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Motorola Droid RAZR Teardown
Note that the earpiece speaker is never used for the ringer, speakerphone, or music playing functions. If it were, lawsuits would result. The speaker for those purposes is on the back of this phone, shown in step 11, 3rd photo.
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Motorola Droid RAZR Teardown
I think it's there to make the cable more flexible where it needs to be.
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Motorola Droid RAZR Teardown
4Gb (4 gigabits) = 0.5 GigaBytes. I don't know where the other 0.5 GB is.
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Motorola Droid RAZR Teardown
The metal circle on the frame is probably the external speaker for the ringer & speakerphone.
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Motorola Droid RAZR Teardown
You forgot to add the purple square for the accelerometer (to the right of the red square).
A couple of other interesting features: the vibrator motor soldered directly to the board, and the sound cavity for the speaker, with the hole for the sound to go out through the front.
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Answer to: How do I un-disable my iPod