X249 L3 Service Manual
1
1.
Technical Specifications :
Please fill below information in Remarks, Below given remarks are for
reference only
Particular
Remarks
Key Matrix For Flashing
N/A
Chipset
MT6260M
Android Version
N/A
Frequency
360Mhz
Network Mode
GSM 900/1800
ROM
24Mb
RAM
32Mb
Internal SD Card memory
NO
Expandable Memory
32GB
Factory mode code
*#510838#
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.
Содержание X249
Страница 10: ...X249 L3 Service Manual 2 1 1 BBIC Diagrams Application Diagram of MT6260 ...
Страница 11: ...X249 L3 Service Manual 2 2 Power Management Diagrams ...
Страница 16: ...X249 L3 Service Manual SIM CIRCUIT T Flash circuit m BBIC SIM1 rom BBIC T card From BBIC SIM2 ...
Страница 18: ...X249 L3 Service Manual MIC circuit To BBIC From MIC ...
Страница 19: ...X249 L3 Service Manual 3 1 5 Speaker troubleshooting Speaker circuit FROM BBIC To Speaker ...
Страница 20: ...X249 L3 Service Manual Troubleshooting flow chart Main related component BBIC U201 SPEAKER ...
Страница 22: ...X249 L3 Service Manual Earpiece circuit To earpiece FROM BBIC ...
Страница 24: ...X249 L3 Service Manual Vibra circuit To VIB ...
Страница 26: ...X249 L3 Service Manual Camera circuit From BBIC ...
Страница 28: ...X249 L3 Service Manual FM Circuit From earphone HEADGND ANT IN ...
Страница 30: ...X249 L3 Service Manual Display Circuit ...
Страница 32: ...X249 L3 Service Manual 3 1 12 Side health Troubleshooting Keyboard circuit ...
Страница 33: ...X249 L3 Service Manual Troubleshooting flow chart Main related component BBIC U201 and keypad FPC ...
Страница 35: ...X249 L3 Service Manual Battery charge circuit Charge control Charge 5V in ...
Страница 38: ...X249 L3 Service Manual RF Circuit RF PA circuit TX RX ...
Страница 39: ...X249 L3 Service Manual 4 Main Element Specifications 4 1 Baseband part 4 1 1 BBIC U201 ...
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Страница 47: ...X249 L3 Service Manual 4 2 RF part 4 2 1 RF PA U102 ...
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Страница 50: ...X249 L3 Service Manual 6 Glossary ...
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