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For Samsung mobile phones, the most spit is probably its consolidated plastic fuselage, which may also have a mediocre look, innovation is not enough. In fact, the Samsung, which takes the machine-sea tactics, also innovates some of the more alternative hardware, such as Galaxy Camera, with a small optical zoom lens, and the second generation of this is about to be dismantled by EwiseTech Projection mobile Galaxy BEAM 2, the top of the phone has a small mini projection device.
Disassemble Samsung mobile phone, because of its consistent remarkable rear shell design, the first step has not been thought - the back shell is opened. The rear shell hand of Galaxy BEAM2 is designed to the right side of the fuselage, next to the projector shortcut button. After trying, the ewisetech engineer has been trying to take advantage of this inconspicuous buckle, and the nail is slightly rejected into the button in the buckle slot.
Remove the rear shell, see the box in the battery and plastic. The brushed ribbed road on this rear shell is very easy to mistaken before it is not removed. It is a metal texture. After the removal of the shell, "plastic nature" is immediately exposed, and it is also printing in the shell. Look.
It is easy to remove the battery. The battery compartment is composed of the back and medium frame frame of the circuit motherboard. The battery is manufactured by Tianjin Samsung Vision, the battery top (one side of the feed point) has two reserved deduction positions, fixed battery position, prevent leakage (the general battery has this design); three under the base design The public buckle, combined with the three female deductions on the box, is still a fixed battery position, prevent leakage, the deduction design is not common on the mobile phone battery.
Next, it is still a simple dismantling process - taking the screw. 9 three specifications are common cross screws.
After the screws are removed, remove the plastic cover on the block, and this cover is integrated on the lid on the right side, and the cover below the right side can be seen below, the following is the cable connector of the display, Ewistech Engineer speculates this The plastic cover of the place may be used for mobile phone assembly.
The WiFi antenna has a layer of plastic stickers to speculate on the fixed antenna.
Open two connectors.
Then I separate it down, according to most of the experience, it is naturally to remove the box and remove the motherboard. This phone is difficult to do so, dismantled this step, uniform in the box without any "flaws", Ewistech engineers have to transfer to the screen. Heat front panels, push forward from the back until the gap between the intermetration box, this gap is the breakthrough point, continues to separate. The screen with the body is generally used to use more glue, it is more difficult to remove, this phone is more glue, good in touch screen, the display module is relatively thick, patient uses crowbar, finally remove the front panel .
The front panel assembly and fuselage after separation. The traces of the double-sided adhesive in the front box can be seen.
Through the official introduction, it has been learned that the screen of the Galaxy BEAM 2 uses TFT materials and can judge the screen's stickers and non-full fit. So the touch screen and the display screen are separated by heating means.
Finally, the whole machine framework and circuit motherboard are left. After removing the front panel, the circuit motherboard will soon separated. The main board is not small, but only two small places cover the shield. The reason is that the front shielding cover, metal texture, the position of the shield is reserved. After assembly, the reserved position is exactly over each IC. Such design can be shielded in electromagnetic interference, and there is also a good fixed role and control body thickness, and the texture of the metal has better heat transfer, and can heat up the projection module on the top of the fuselage.
Remove the widgets, sensor modules, MIC fixing enclosed plastic cover, sensor fixing cover, home button.
Unscrew the three screws, disconnect the connector to remove the projection module. It can be seen that the position of the block projector has a hot sticker, and the entire projection module has a hot paste. It can also be learned from Galaxy BEAM2 to Galaxy Beam2, and the processing of heat dissipation is important for projected equipment, not to mention smartphones that will also be heated in other modules.
The projector lens module is close photograph, and there are heat-dissipating stickers outside the entire module soft board. It can be seen that the heat dissipation of projected mobile phones is heavy.
Separate the motherboard and middle box, there is also some snaps between the two, especially in the Usb interface on the middle frame, there are two more antichel-fused buckles cards, and the front and rear components have been removed, change the angle, Can be separated.
Remove the front and rear cameras on the motherboard.
Remove the main antenna module, the module is fixed to the motherboard by the snap; then separating the speakers on the module, the fixtures are very familiar, and the adhesive is fixed.
Motherboard main IC, Galaxy BEAM 2, a MARVEL, PXA1088 platform, four-core CPU, supplemented by PM820EAD power management, 88W8777 WiFi / Bluetooth / FM and 88EM8183 LED tunable LED drive chips.
Finally, remove the vibrators and WiFi antennas on the block, and the entire mobile phone is disassembled.
Finally, all parts.
EwiseTech Summary:
This Samsung Galaxy BEAM 2 is characterized by obvious, with projection functions, and isocreyurous. There is no big expectation on its internal structure before unsolving.
With the step by step by dismantling, we see that the manufacturer's intention is still seen in this mobile phone of about 2,000. In addition to the screen, the dismantling is relatively easy, so the back maintenance is also simpler.
EwiseTech is a high-tech Internet company dedicated to electronic product analysis, providing a global customer with a deep hardware analysis of electronic mobile terminals and emerging technologies, including mobile phones, tablets, and wearable devices, and full-hardware and software test services. For more information and dismantling analysis, please visit www.ewistech.com.
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