First prepare the tools you want to use.
Cropped the section and found that there was a top surface missing.
a pair of speakers
The front part is the hole for adjusting the sound, the bottom is the hole of the switch
A pair of speakers are installed~~
Cooling holes on the back (preferably more holes)
Connected power amplifier board
Visceral structure (install the power jack in the lower right corner of the back, suggesting that the power jack is for the speaker and fan, the tablet power supply is charged on the left side of the hole). The left side is inserted into the audio and data lines, front Inside the mounting bracket to prevent the tablet from falling backwards
Front, right in the upper corner, install the rotary switch to prevent the tablet from leaning forward. The right side of the large circle is for sound adjustment. 5 small is the decoration, and the bottom right is the switch.
The side horn must be firm
Overall picture
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