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
Summary of Contents for X377
Page 3: ...X377 L2 Service Manual SYMPTOMS 1 Does not power on LCD...
Page 5: ...X377 L2 Service Manual 7 Charging issue Keypad Usb Port...
Page 7: ...X377 L2 Service Manual 13 FM not working 14 Receiver not working CPU Earphone 2 in 1...
Page 8: ...X377 L2 Service Manual 15 Earphone not working 16 MIC not working Earphone...
