Micromax Q346 Service Manual

Q346
1. Technical Specifications :
Particular
Key Matrix For Flashing
Chipset
Android Version
Frequency
Network Mode
ROM
RAM
Internal SD Card memory
Expandable Memory
Factory mode code
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. L2 Level trouble shooting
1. Doesn't power on
NO Description
1 Doesn't power on
Remarks
NA
SC7731
Android5.1
GSM：900/1800MHzUMTS：900/2100MHz
Dual SIM: WCDMA+GSM
8Gb
1Gb
NA
MB can support up 32 Gb T card
*#1923#
Reason
Battery connector dirty
Power key FPC badly solder
L2 Service Manual
Solution
Cleaning the battery connector
Re-solder power key FPC