Blu Studio XL2 User manual

No.20160406
Studio XL2 Service Manual

Contents
Chart 1 Product introduction · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·3--4
1.1 Product view
1.2 Product Feature
Chart 2 Software update procedure · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5-9
2.1 Preparation
2.2 Upgrade procedure
Chart 3 Explode view and Part list · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 10-11
3.1 Explode view
3.2 Part list
Chart 4 Repair tool · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 12
Chart 5 Disassembling procedure and Assembling procedure · · · · · · · · · · · · · · · · ·13-28
5.1 Disassembling procedure
5.2 Disassemble loss material
5.3 Assembling procedure
Chart 6 Soldering components for L2 repair · · · · · · · · · · · · · · · · · · · ·· · · · ·· · ·29-31
6.1 Component layout
6.2 Part list
Chart 7 Mobile fault analysis for L2 · · · · · · · · · · · · · · · · · · · · · ·· · · · · ·· · · ·· 32-37
Chart 8 Main board · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 38-40
Chart 9 Mobile working principle and Fault analysis · · · · · · · · · · · · · · · · · ·· · · 41-54
9.1 Mobile work principle
9.2 Mobile fault analysis
L1
L2
L3
&
L4

Chart 1.Product introduction
This manual provides the technical information to support the service activity of this products
This document contains highly confidential information, so any or all of this document should not be revealed to
any third party.
1.1 Product view

1.2 Product Feature
Phone size 165.7*83.6*9.1mm
CPU MT6737V/WAZA
Main CPU frequency 1.25Ghz Quad core
Memory type eMMC+LPDDR3
ROM 16GB
RAM 16Gb
OS Android 6.0
Display
size 6.0
Material G+F
resolution HD
Front Camera 5.0M
Primary Camera 13.0M
SIM Card 1/2 System FDD-LTE/WCDMA/GSM/GPRS/EDGE
GPS Yes
Blue tooth Yes
Wifi Ye s
FM Yes
Battery 4900mAh
USB 5pin micro USB, USB 2.0

Chart 3 Explode view and Part list
3.1 Explode view

3.2 Part list
NO.
Name
QTY
1 A Cover ASSY M5690000014LA
M5690000015LA
1
2 B-Cover ASSY / 1
3 C-Cover ASSY / 1
4Front camera M4620000138LA 1
5Receiver M5010000100LA 1
6Battery M2330000544LA 1
7Motor M4810000060LA 1
8Main PCBA M6810501561LA 1
9Sub PCBA M6830000546LA 1
10 5M_Camera M4620000207LA 1
11 Speaker M4910000180LA 1
12
13
14
15
16

Chart 4 Repair tool
Picture
Name Hot Air Gun Hot Air Gun Soldering Iron Tin Solder Wire ESD Glove
Picture
Name ESD Wrist Strap Plastic Opening
Card
Cotton Swabs Alcohol Card inject tool
Picture
Name Multi-meter DC Power supply Soldering station Tweezers Screw driver

Chart 5 Disassembling procedure and Assembling procedure
NO.
Operation
name
Picture
Operation
and note
1Remove C cover
1.Using your fingernail insert into gap
between phone and C cover ,and
sliding along the around of phone to
release hook, then C-cover will be
removed.
2
Remove battery and
Remove 16pcs
screws
1.Remove 16pcs screws with screw
drivers, there are two kinds of screws
that have been marked with red and
blue circle separately.
3Remove B cover
1.Using your fingernail insert into gap
between A cover and B cover ,and
sliding along the around of A cover to
release hook, then B-cover will be
removed.
5.1 Disassembling procedure

NO.
Operation
name
Picture
Operation
and note
4Remove Main PCBA
1:Remove 1 PCS screws
2:Remove side key reinforcement
plate
3:Disconnect the TP connector
4:Remove moto with tweezers
5:Disconnect the PCBA connector
6:Remove 2PCS Support Foam
5Remove SUB PCBA
1.Disconnect coaxial cable connector
with tweezers
2:Disconnect SUB FPC connector
with tweezers;
3:Remove speaker with tweezers
4:Remove Mic with tweezers
5:Remove speaker foam with tweezers
6Remove Battery
1:Remove battery with tweezers

NO.
Operation
name
Picture
Operation
and note
7Remove front
camera
1:Remove front camera with
tweezers
8
Remove main
camera
1:Remove main camera with tweezers
9
Remove Earth
Conductive Sponge,
Support Foam ,
Insulation Mylar
1:Remove Earth Conductive Sponge
with tweezers
2:Remove Support Foam with tweezers
3:Remove Insulation Mylar with
tweezers
4:Remove Shield Conductive Fabric with
tweezers