Micromax A065 Manual de usuario

A065 L2 Service Manual

1. Technical Specifications

Particular

Remarks

Key Matrix For Flashing

N/A

Chipset

MT6571

Android Version

KITKAT 4.4.2

Frequency

1.3GHz

Network Mode

GSM：900/1800

ROM

4GB

RAM

512Mb

Internal SD Card memory

Expandable Memory

32GB

Factory mode code

*#*#3646633#*#*

A065 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 sidekey

Re-soldering

Sidekey broken

Change the sidekey FPC

Mainboard issue

Refer to the L3 Repair

Check if the sidekey is

broken and then solder

issue.

A065 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

A065 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.

A065 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

A065 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

A065 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

A065 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

A065 L2 Service Manual

8) WI-FI/Bluetooth

NO.

Description

Reason

Solution

No signal

Wifi/BT antenna stand assembly

issue

Reassemble

Mainboard

Refer to the service guide L3

9) 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

Antena stand

Earphone Jack

A065 L2 Service Manual

10) Ear Phone

NO.

Description

Reason

Solution

ONE SIDE IS NOT

WORKING

earphone issue

Change a new earphone

Cable broken

open the housing of MIC, check

and solder the cable

CPU or charging IC with issue

Refer to the service guide L3

Noise

Cable broken

open the housing of MIC, check

and solder the cable

Cable broken

open the housing of MIC, check

and solder the cable

MIC is not working

MIC issue

Change the earphone

Cable broken

open the housing of MIC, check

and solder the cable

Can’t end the call by

earphone

Assembly issue

Open the MIC housing ,check

and assembly again

Earphone

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