Micromax X081 Manuale utente

X081 L2 Service Manual

1. Technical Specifications :

Particular

Remarks

Key Matrix For Flashing

0-9 NUM ,* ,#,Function key

Chipset

SC6531DA

Android Version

Frequency

900MHZ/1800MHZ

Network Mode

GSM

ROM

32MB

RAM

32MB

Internal SD Card memory

32MB

Expandable Memory

MB can support up 16 GB T card

Factory mode code

*#2020#

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

X081 L2 Service Manual

Main components

1、CAN NOT SWITCH ON

Re-insert battery then try to power on

Upgrade the SW again

Cleaning the battery connector

Replace battery

Vibrator, speaker,

receiver, all in one

Flashli

ght

Earphone

connection

Sim slot

T card slot

USB

connection

Mic

camera

BT antenna

Battery

connector

X081 L2 Service Manual

Phone Hang

Re-insert battery then power on

Upgrade the SW

Replace PCBA

Battery

connector

Battery

PCBA

X081 L2 Service Manual

Display issue

Re-insert battery then power on

Upgrade the software

Re-solder the LCD FPC

Replace the LCD

Replace the PCBA

SIM ISSUE

Re-insert battery then power on

Upgrade the software

Replace SIM card

Clean SIM slot pins

Replace or re-solder SIM slot

Replace PCBA

LCD

FPC

LCD

PCBA

X081 L2 Service Manual

N0/WEAK SIGNAL TROUBLE SHOOING

Re-insert battery then power on

Upgrade the SW

Check & clean the antenna connector

Replace the PCBA

SIM

SIM slot

Antenna

Connector

PCBA

X081 L2 Service Manual

NO/LOW SOUND FROM SPEAKER

Re-insert battery then power on

Upgrade the SW

Re-solder the connector

Replace the speaker

Replace the PCBA

Antenna

Connector

Speaker

connector

PCBA

X081 L2 Service Manual

RECEIVER LOW VOICE OR NO VOICE

Re-insert battery then power on

Upgrade the SW

Re-solder the connector

Replace the receiver

Replace the PCBA

Receiver

connector

PCBA

X081 L2 Service Manual

MIC ISSUE

Re-insert battery then power on

Upgrade the SW

Replace MIC cover

Re-solder MIC connector

Replace MIC

Replace PCBA

MIC

cover

MIC

connect

PCBA

X081 L2 Service Manual

Cannot charge or connect to PC

Power off and check if handset can be charge

Upgrade the SW

Replace charger

Replace USB cable

Re-solder USB connector

Replace PCBA

USB

connector

X081 L2 Service Manual

Can’t detect T card

Re-insert the T card and try

Upgrade the SW

Replace T card

Replace T card slot

Replace PCBA

T card slot

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