Micromax X377 User manual
X377 L2 Service Manual
Paste handset image here
A) Technical Specifications:
Particular
Remarks
Key Matrix For Flashing
N/A
Chipset
SC6531E
Android Version
NA
Frequency
900/1800mHz
Network Mode
GSM
Rom
32Mbit
RAM
32Mbit
Internal SD Card memory
NA
Expandable Memory
Support up 16 GB T card
Factory mode code
*#2020#
Good Earpiece volume
97Hz
Good Loudspeaker volume
89.5dB
Good MIC volume
-42db
Good Vibrator volume
170Hz
Engineering Code
*#346#
X377 L2 Service Manual
B) 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.
C) SERVICE DETAILS
Bluetooth plot
MIC
USB
CPU
PA
SD
SIM1
SIM2
Earphone
connector
Speaker
Torch
MIC
BT
Antenna
X377 L2 Service Manual
SYMPTOMS :
1. Does not power on
LCD
X377 L2 Service Manual
2：Display issue/No display
3：Touch panel not working
Feature phone, not support Touch function
4：Proximity Sensor not working
Feature phone, not support this function
5：G-sensor not working
Feature phone, not support this function
6：Keys not working
LCD FPC
X377 L2 Service Manual
7：Charging issue
Keypad
Usb Port
X377 L2 Service Manual
8：Front Camera not working
Not support this function
9：Rear Camera not working
Not support this function
10：Vibrator not working
Not support this function
11：WiFi/BT not working
Not support this function
12：RF (SIM) Network issue
SIM1
SIM2
X377 L2 Service Manual
13：FM not working
14: Receiver not working
CPU
Earphone
2 in 1
X377 L2 Service Manual
15：Earphone not working
16：MIC not working
Earphone
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