Micromax A064 Manuale utente

A064 L2 Service Manual

1. Technical Specifications

Particular

Remarks

Key Matrix For Flashing

Chipset

MT6571A/E

Android Version

Android 4.4.2

Frequency

1.3Ghz

Network Mode

GSM900/1800

ROM

RAM

512M

Internal SD Card memory

10.95G

Expandable Memory

up to 32G

Factory mode code

*#*#3646633#*#*

A064 L2 Service Manual

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

Reason

Solution

Doesn’t Power On

Soldering issue of side key FPC.

Re-soldering side key FPC.

Side key broken

Change a new sidekey

Mainboard issue

Refer to the L3 Repair

Check if the sidekey is

broken and solder issue.

A064 L2 Service Manual

(2) LCD

NO.

Description

Reason

Solution

LCD segments missing, Fading, Contrast

issue, Black lines, Color issue, Backlight

issue, Blank display, Bad pixel,

Flickering.

LCD FPC assemble issue

Reassemble LCD FPC

LCD FPC broken

Change the LCD

Mainboard issue

Refer to the L3 Repair

RE-FLASH THE SW

LCD

Mechanically broken

LCD issue

Change the LCD

LCD broken

Change the LCD

A064 L2 Service Manual

(3) Touchpad

NO.

Description

Reason

Solution

TP not working and the light

perception issue.

FPC assembly

Reassemble the FPC

FPC broken

Change the TP

Mainboard

Refer to the L3 Repair

The light perception issue.

Change the TP

TP Mechanically broken

TP issue

Change the TP

TP broken

Change the TP

Take off the TP, and then check and test if it is working normally use the jig and fixture .

Test the mainboard if it is OK by the PCBA jig and fixture.

A064 L2 Service Manual

(4) Charging

NO.

Description

Reason

Solution

No charging

Data cable issue

Change the data cable

I/O connector

Change the I/O connector

Charger issue

Change the charger

CPU

Refer to the service guide L3

Charging slow

Data cable issue

Change the data cable

I/O connector

Change the I/O connector

CPU

Refer to the service guide L3

A064 L2 Service Manual

(5) USB

NO.

Description

Reason

Solution

No charging

Data cable issue

Change the data cable

I/O connector

Change the I/O connector

Charger issue

Change the charger

CPU

Refer to the service guide L3

Cannot use DATA

D+ or D- is broken

Change the data cable

A064 L2 Service Manual

(6) Main Camera/Front Camera

NO.

Description

Reason

Solution

Camera not ready/not

working/no function

Connection issue

Re-connecting

Camera issue

Change the camera

CPU

Refer to the service guide L3

Front camera can’t

open

Camera issue

Change the front camera

Rear camera can’t open

Camera issue

Change the front camera

Bad image

Assemble issue

Reassemble the camera

Camera issue

Change the camera

CPU

Refer to the service guide L3

Rear camera

Front camera

A064 L2 Service Manual

(7) Vibrator

NO.

Description

Reason

Solution

No vibrating

Soldering issue

Re-soldering the vibrator

Vibrator issue

Change the Vibrator

CPU

Refer to the service guide L3

Assemble issue

Reassemble the vibrator

Vibrator

A064 L2 Service Manual

(8) Network and 3G –LTE not working

NO.

Description

Reason

Solution

No signal

The coaxial cable assembly issue

Reassemble

GSM antenna assembly issue

Reassemble

SIM card broken

Change a new SIM card

RF IC issue

Refer to the service guide L3

Have not calibration

Re-calibrate

CPU

Refer to the service guide L3

GSM antenna

A064 L2 Service Manual

(9) WI-FI & Bluetooth

NO.

Description

Reason

Solution

No signal

Wifi/BT antenna stand assembly

issue

Reassemble

Mainboard

Refer to the service guide L3

(10) FM / Radio

NO.

Description

Reason

Solution

No signal

Earphone issue

Change a new earphone

Earphone Jack of mainboard issue

Refer to the service guide L3

WIFI/BT

antenna

GPS antenna

Earphone Jack

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