cromax Q348 Manuale utente
Q348 Assembly guide
1：Technical Specifications
Particular
Remarks
Key Matrix For Flashing
NA
Chipset
MT6582M
Android Version
Android5.0
Frequency
1.3GHz Quad core
Network Mode
850MHz/900MHz/1800MHz/1900MHz B1, B8
Rom
8G
RAM
1G
Internal SD Card memory
5G
Expandable Memory
32G
Factory mode code
Press vol+/ Vol-/ power key at the same time
Good Earpiece volume
32Ω± 15%
Good Loudspeaker volume
8Ω± 5%
Good MIC volume
2.2kΩ± 5%
Good Vibrator volume
30Ω± 5%
Q348 Assembly guide
2：CAUTIONS
I. Flashing & Servicing must be undertaken by qualified personnel only.
II. Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.
III. Use only approved Tools & components as specified in the parts list.
IV. Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment
V. Ensure all cables and wires are repositioned correctly if Handset disassembled
VI. Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, Service Centre
must adhere the precautions which mentioned above.
3：Assembly procedure
1、Install the LCD by hand.
Q348 Assembly guide
2、Button the LCD by hand.
3、Install the Silicon gel cover for distance sensor by tweezers.
Q348 Assembly guide
4、Install the receiver by tweezers.
5、Install the Silicon gel cover for LED.
Q348 Assembly guide
6、Install the RF coaxial line by tweezers.
7、Install the PCB by tweezers.
Q348 Assembly guide
8、Fasten the screws by screw driver.
9、Install the LCD FPC by tweezers.
Q348 Assembly guide
10、Install the volume key FPC by tweezers．
11、Install the front camera by tweezers.
Q348 Assembly guide
12、Install the main camera by tweeaers.
13、Install the power key FPC by tweezers.
Q348 Assembly guide
14、Install the main FPC by hand.
15、Button the main FPC by hand.
Q348 Assembly guide
16、Install the Silicon gel cover for earphone by tweezers.
17、Install the RF coaxial line by tweezers
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