Q4202 L2 Service Manual
Engineering Code
NA
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
D) SYMPTOMS :
1.
Does not power on
LCD+TP
Earphone
connector
Vibrate
I/O
Front
camera
Main
camera
SIM
connector
RF
Antenna
Batt
ery
conn
ector
GSM
Antenna
BWG
ANT
FJ ANT
