cromax GC318 Manual
GC318 Disassembly Procedure
1. Technical Specifications
Particular
Remarks
Key Matrix For Flashing
N/A
Chipset
MTK6260A QSC1110
Android Version
N/A
Frequency
360Mhz
Network Mode
GSM 900/1800
CDMA 800
GSM
128 0Mb
CDMA
128 32Mb
Internal SD Card memory
NO
Expandable Memory
8GB
Factory mode code
*#629#
Good Earpiece value in ohms
32Ω±15%
Good Loudspeaker value in ohms
8Ω ±15%
Good Mic value in ohms
1.0KΩ-2.2KΩ（test condition f=1KHZ，Pin=1Pa）
Good Vibrator value in ohms
59Ω±15% ohms
At 25℃
GC318 Disassembly Procedure
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. Disassembly Procedure
1) Remove the battery cover
Remove the battery cover from the disassembly gap as shown.
The disassembly gap
GC318 Disassembly Procedure
2) Remove screws
After removed the battery cover, remove the 6pcs screws circled in red by using screwdriver as shown.
Battery cover
3) Remove A cover
Remove A cover by using the disassembly piece along the bottom joint gap around the cover angles as shown.
B cover modu le
Acover and keyboard
GC318 Disassembly Procedure
4) Remove the keyboard and receiver
Loosening the buckle of A cover, and take out the keyboard as shown.
Keyboard
Remove the receiver from the disassembly gap of side edge use the tweezers as shown.
Receiver
Main
keypad
GC318 Disassembly Procedure
5) Remove the mainboard
Loosen the buckle of the B cover, and then remove the mainboard.
6) Remove the LCD
Gently take off LCD from both sides by the plastic tweezers, and then weld down LCD from mainboard
by Soldering iron.
LCD
GC318 Disassembly Procedure
7) Remove SPK BOX and Vibrator
First remove the screw of the speaker bracket using screw driver, and then weld down the speaker BOX and
Vibrator from mainboard using soldering iron as shown.
SPK BOX
GC318 Disassembly Procedure
9) Remove the MIC
Weld down the MIC as shown.
MIC
10) Remove the LCD lens
Remove the LCD lens using the jig and fixture.
LCD lens
Otros manuales para GC318
1
Tabla de contenidos
Otros manuales de Teléfono móvil de cromax
cromax
cromax x249 Manual de usuario
cromax
cromax X458 Manual de usuario
cromax
cromax X458 Manual de usuario
cromax
cromax X245 Manual de usuario
cromax
cromax P310 Manual de usuario
cromax
cromax X458 L3 Manual de usuario
cromax
cromax Q348 Manual de usuario
cromax
cromax C2A Manual de usuario
cromax
cromax A121 Manual de usuario
cromax
cromax C2A Manual
