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[title|Testing Parts] | |
- | [toc] |
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[summary]How to test repair parts.[/summary] | |
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+ | [summary_image|373124] |
'''[[tldr|tl;dr]]''' Always test a device before you return it to your customer. It's a good idea to test parts separately (if possible) before installing them. Never apply adhesive before testing a repaired device. | |
* '''Part Quality:''' Are you willing to have your business' quality judged by the quality of this part? | |
- | ** For external parts, make sure there are no scuffs, scratches, discolorations, irregularities or other visual defects. The device is precious to your customer, make sure your inventory is perfect. |
- | ** For internal parts, you may be less strict. Some parts (like batteries) may have irregular markings but work perfectly. |
+ | ** For external parts, make sure there are no scuffs, scratches, discolorations, irregularities or other visual defects. The device is precious to your customer, make sure your inventory is perfect. |
+ | ** For internal parts, you may be less strict. Some parts (like batteries) may have irregular markings but work perfectly. |
* '''Part Integrity:''' Is the part complete? | |
** Check all clips, connectors, and fasteners. | |
The only way to test the function of a replacement part is to install it and turn the device on. This poses difficulties: | |
- | * If the device's malfunction isn't known, troubleshooting with unverified replacement parts could be a time consuming trial-and-error process. |
+ | * If the device's malfunction isn't known, troubleshooting with unverified replacement parts could be a time consuming trial-and-error process. |
Make this process easier by testing replacement parts with a device that is known to function properly. | |
=== Test Stations === | |
- | For certain models of |
+ | For certain models of smartphones, test cables are available. We suggest that you use a test cable with a dedicated test device if testing a high volume of display assemblies. The internal connectors are fragile and will break with extended use. Similarly, a test cable has fragile connectors that will break with extended use. However, a test cable is much more inexpensive to replace than a working device. |
- | [image|251022 |
+ | [image|251022|caption=This test cable is secured to the device with the existing cable bracket.] |
[image|251024|caption=A display assembly test station with test cable extension.] | |
* It is easier to test replacement parts by leaving the device "open." This is ok, just be extra careful with '''[[ESD|ESD]]'''. | |
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* If your display assembly doesn't work, how will you know if the device is off? Leave the battery exposed and use a '''[product|IF145-002|spudger]''' to disconnect the power supply before handling the internal components. |
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