Level 2 Repair - Alcatel ONE TOUCH 7053 Repair Document

L2 Repair Document
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6 Level 2 repair

This chapter describes the Level 2 repair that can be done without any diagnostic equipment.
Charging
Switch on with
battery power
Main display
Vibrator
Rev.
1.1
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decoration
tape
Dust gauze L2
1 SPK
Dust gauze L2
2 SPK
Rear L2
camera
conductive
fabric
Conductive L2
fabric
Conductive L2
fabric of
SUB PCBA
Problem description
Bad
or
No Charge
Can „t Switch on
Missing line or column; no
display; bad or no LCD
backlight
The vibrator does not work
ALCATEL ONE TOUCH 7053 Level 2 Repair Document
TCT
tape,
FJ6210 ，17*3.5**0.1mm
喇叭防尘网 1,Dust gauze 1 SPK,
FJ6205,13.5*4.05*0.1mm
喇叭防尘网 2,Dust gauze 2 SPK,
FJ6205,13.5*4.05*0.1mm
后摄像头钢片接地导电布,
Rear camera conductive fabric,TCH-
050，10.14*7.75*0.05mm
铝钛合金接地导电布 2,Conductive fabric,
WDF-010L，18.95*5.53*0.1
小板接地导电布,Conductive fabric of
SUB PCBA,WDF-005，23.2*9.9*0.05mm
Action And Solution
1.Check voltage of the battery: if 0V,
charge some minutes and check the
charge indicator;
2.Check the battery contact, change the
battery connector if broken;
3.Check the charge plug on B cover,
change it if necessary;
1.Check voltage of the battery;
2.Check the battery contact, change the
battery connector if broken;
3.Check the power on key;
4.Check BTB connector socket pin
Check Connection flex (FPC
cable),change it if necessary;
Replace display module if necessary;
Check the contact on the PCBA (dirty or
oxidized), replace the vibrator if
necessary;
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