Micromax L2 Manuel utilisateur

A069 L2 Service Manual

CAUTIONS

Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include

important safety information.

Servicing and alignment must be undertaken by qualified personnel only.

Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

Use only approved components as specified in the parts list.

Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment

Ensure all cables and wires are repositioned correctly

Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, every service

supplier must observe the precautions which mentioned above.

All manuals and user guides at all-guides.com

all-guides.com

A069 L2 Service Manual

SPEC：

Network：2G: 850MHz/900MHz/1800MHz/1900MHz

Size：145*73*9.7

Camera: Back camera 5 FF Mega, Front camera 0.3 Mega

Battery: 1850 MAH

BT:4.0

USB:Micro USB 2.0

Main Function

Dual Card Full Touch Smartphone

Android 4.2

CPU MT 6572 (1.3GHz Dual core)

5 " FWVGA480*854

Camera：Back camera 5 FF Mega, Front camera

0.3 Mega

WIFI: 802.11n, 802.11g, 802.11b

4GB+512MB

Dual SIM

All manuals and user guides at all-guides.com

A069 L2 Service Manual

SERVICE TOOLS

Voltage regulator

Multimeter

Iron

Hot air gun

Solder wire, soldering paste

Computer and software download cable

Metal tweezers, Screw driver etc

Pick

Driver

Tweezers

Wrist

groun

ding

strap

Antistatic

gloves

upDownlo

ad cable

All manuals and user guides at all-guides.com

A069 L2 Service Manual

CHAPTER 4.SYSTEM BLOCK DIAGRAM

4.1、PCBA A-Side

J1003 Earphone

connector. bug by

damaged.

Earphone no sound

J1203 I/O Connector

bug by damaged No charge

in, Cannot upgrade Software

U301 Flash Bug by

damaged

Cannot power on, cannot

upgrade software.

U101 CPU Bug by

damaged

Cannot power on. No RF

signal. No display or

display abnormality

U401 Power IC Buy by

damaged,Cannot power

on.

No charge in.

Speaker no sound.

U701

BT/WIFI/FM/GPS IC.

Buy by damaged.

BT/WIFI/FM/GPS Not

work

J1205 Battery connector

Bug by damaged.

Not power on.

Not charge in

U501 RF IC

Bug by damaged.

No signal

Can’t power on.

U605 GSM PA

Bug by damaged.

No signal. Large

current

All manuals and user guides at all-guides.com

A069 L2 Service Manual

PCBA-B-Side

J1204 T-Flash

connector

Bug by damaged.

Can't Access T-Flash

Card.

J901 Camera

connector

Bug by damaged.

Can’t take photos.

J1201 J1202 SIM

connector

Bug by damaged.

Cannot the SIM card.

J802 TP Connector

Bug by damaged.

TP not work.

J801 LCD Connector

Bug by damaged.

LCD No display or

display abnormality

All manuals and user guides at all-guides.com

A069 L2 Service Manual

4.2:Side A layout

All manuals and user guides at all-guides.com

all-guides.com

A069 L2 Service Manual

Side B layout

All manuals and user guides at all-guides.com

A069 L2 Service Manual

CHAPTER 6 TROUBLESHOOTING

CANNOT POWER ON-CURRENT SWING INSTABILITY

Upgrade the

software is normal?

Cannot power on

Replace the

structural member.

Check the battery is

normal?

Check the battery

connector in normal?

Replace the PCBA is

normal?.

Replace the battery.

yes

Replace the battery

connector.

yes

Replace the PCBA.

All manuals and user guides at all-guides.com

A069 L2 Service Manual

REPAIR FLOW FOR PHONE DEAD

Phone dead

Upgrade the software can

settle the defect issue?

Clean and reinstall

the keypad or replace

the touch panel.

Check battery connector

and battery touch point if

is dropped or dirty?

Check the keypad if stuck

or touch panel do not work

to make the phone “dead”?

Replace the PCBA

Clean or replace

the battery or

battery connector.

YES

All manuals and user guides at all-guides.com

A069 L2 Service Manual

NO DISPLAY OR DISPLAY ABNORMALITY

No display or display

abnormality after power on

Check LCD connector

is OK or not

Resolder the LCD

connector can settle

the defect issue?

Replace the PCBA.

Check LCD if damage or

liquid flow out

Change LCD

Yes

Clean or reweld

the LCD connector

Yes

Change the LCD can

settle the defect

issue?

Upgrade software

All manuals and user guides at all-guides.com

Autres manuels pour L2

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Micromax Téléphone portable

Micromax

Micromax A310 Manuel utilisateur

Micromax

Micromax A117 Manuel utilisateur

Micromax

Micromax Canvas Engage A091 Manuel utilisateur

Micromax

Micromax X081 Manuel utilisateur

Micromax

Micromax A27 Manuel utilisateur

Micromax

Micromax Q7 Manuel utilisateur

Micromax

Micromax X415 Manuel utilisateur

Micromax

Micromax X275 Manuel utilisateur

Micromax

Micromax A47 Manuel utilisateur

Micromax

Micromax A290 Manuel utilisateur

Micromax

Micromax X281 Manuel utilisateur

Micromax

Micromax X294 Manuel utilisateur

Micromax

Micromax S120 Manuel utilisateur

Micromax

Micromax Q392 Manuel utilisateur

Micromax

Micromax X328 Manuel utilisateur

Micromax

Micromax Canvas Hue 2 A316 Manuel utilisateur

Micromax

Micromax A068 Manuel utilisateur

Micromax

Micromax A37B Manuel utilisateur

Micromax

Micromax A064 Manuel utilisateur

Micromax

Micromax A62 Manuel utilisateur

Micromax

Micromax X920 Manuel utilisateur

Micromax

Micromax q36 Manuel utilisateur

Micromax

Micromax X550-Qube Manuel utilisateur

Micromax

Micromax A94 Manuel utilisateur

Manuels Téléphone portable populaires d'autres marques

Zte

Zte BLADE A520 Manuel utilisateur

Nokia

Nokia Lumia 620 Manuel utilisateur

Blackbe;rry

Blackbe;rry KEYone Manuel utilisateur

Bea-fon

Bea-fon X5 Premium Manuel utilisateur

Blackbe;rry

Blackbe;rry 8707 Series Manuel utilisateur

Blackbe;rry

Blackbe;rry Storm Mode d'emploi

LG LM-X420QN Manuel utilisateur

LifeWatch

LifeWatch V Manuel utilisateur

Bea-fon

Bea-fon SILVER LINE SL860 Manuel utilisateur

IKI Mobile

IKI Mobile KF4.5i Manuel utilisateur

Hitech

Hitech HT-850 Manuel utilisateur

Yezz

Yezz Fashion F10 Manuel utilisateur

Point Mobile

Point Mobile PM60 Manuel utilisateur

Blackbe;rry

Blackbe;rry Q10 Manuel utilisateur

Blackbe;rry

Blackbe;rry Bold 9900 Manuel utilisateur

Blackbe;rry

Blackbe;rry STORM 9500 - VERSION 5.0 Manuel utilisateur

LG LM-K420EMW Manuel utilisateur

ISAFE MOBILE

ISAFE MOBILE IS655.2 Manuel utilisateur