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Acer SERVICE GUIDE Page : 1/52 Language :English Date : 2012-08-24
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E350 Service guide
Category of technical document: Instruction book
version:A
Date:2012-08-24
Document No:E350_SM02-1_A
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Table of Contents
目录
OVERVIEW ........................................................................................................................................ 3
INTRODUCTION TO MAIN FUNCTIONS ............................................................................................... 3
TECHNICAL INDICATORS ................................................................................................................... 3
Performance Indicators ............................................................................................................... 3
Power Consumption Indicators ................................................................................................... 4
BLOCK DIAGRAM OF OPERATING PRINCIPLE .................................................................................... 6
1. ID ............................................................................................................................................. 8
1.1 PC upgrade tool ............................................................................................................... 9
1.2 SD card download guide ................................................................................................ 13
7.4 SD card download guide ................................................................................................ 18
8 PROCESS OF ASSEMBLE AND DISASSEMBLE ............................................................................ 21
9 FUNCTION TEST ...................................................................................................................... 35
11 LABEL DESCRIPTOR ................................................................................................................. 45
12 FRU LIST ................................................................................................................................ 47
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Overview
E350 support GSM/WCDMA/HSDPA,which equipped with Android 4.0 OS. AK330 Main
board has rich multimedia functions including TFT display, CTP, MMS,64 polyphonies,
multimedia playback, FM, stereo earphone , Bluetooth,Wifi,GPS, and USB connection, support
motion sensor, ALS/PS sensor, dual camera,micro SD ,dual SIM card, 24bit RGB LCD, Capacitive
Touch Panel,etc. In addition, Chinese characters input, business card-shaped phone manager,
clock/alarm clock, calculator ,senor games and other practical Applications.
This document Involved key components description, electrical characteristics and
Troubleshooting.
Introduction to Main Functions
System functional characteristics:
Compatible with,GSM900/1800/1900,WCDMA 2100/900(optional);
4.3"/ 16Mcolor TF TLCD;
Multipoint Capacitive Touch Panel;
8Gb DDR2 +4GB eMMC;
3.5’’ Audio Jack and Loud speaker;
Support Flash LED and Torch ;
5M pixel Camera with AF; support sub camera and video call;
Support motion sensor;
Support GPS、BT、FM、WIFI;
Support ALS/PS;
Support Fuel gauge;
Android 4.0 OS,Support third-party software extensions.
Technical Indicators
Performance Indicators
Normal operating condition:-10℃~55℃;
Storage temperature:-10℃~60℃;
Relative humidity:10%~95%;
Receiving sensitivity:≤-105dBm;
Standby time:200~300hr ;
Battery capacity:1500mAh;
Transmitting power:2W/1W;
Power supply voltage:3.4-4.2V;
MP3 playing duration:10~15hr;
Video playing duration:about 3~4hr;
Conversation duration:3~4hr.
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Power Consumption Indicators
Standby current of motherboard: < 5mA;
Conversation current: 2G<250mA;3G<500mA;
Full bright in a poor light(keyboard light on): <s400mA;
Semi-bright in a poor light (keyboard light off): <300mA;
Shutdown current:<100uA;
Dial-in vibration:<400mA;
Dial-in ring tone:<430mA;
Dial-in vibration + ring tone:<450mA;
Short message service:<150mA;
Camera Preview: <350mA;
MP3 playing: maximum volume < 40mA(with Audio Jack);
Video Playback:<400mA.
RF Performance Indicators
Project Name E350
OS Android 4.0
Dimension 129 x 65.9 x 9.9 mm
Weight 145g (with battery)
Chipset / CPU MT6577 (1GHz Cortex-A9 Dual-core CUP )
Memory (RAM) 1GB
Storage (ROM) 4GB
LCD Panel
Screen Size 4.3” qHD LCM, TFT-LCD
Touch Panel Capacitive
Multi Touch True 4 points
Smudge Proof N
Waterproof N
Resolution 960x 540 24bit 300nits
Screen Technology QHD
Surface hardness 7H
Color 16.7M
Video Decode
MPEG4
H.264 720p
H.263 720p
Encode MPEG4/H.263
Audio
Earphone Jack 3.5mm Headphone-out (Stereo) jack (combined with MIC)
Internal Microphone Y
Speakers 0.75W
Decode AMR / WB-AMR/AAC / AAC+ / eAAC+ / MIDI / MP3 / Ogg
Vorbis / PCM
Encode AMR-NB
Photo JPEG / BMP / GIF / PNG
Communication WiFi 802.11b/g/n
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BT Class 3.0+EDR
FM FM radio with RDS
NFC Option(need Single SIM)
Band HSDPA/WCDMA:EU VIII_900/I_2100
GSM/EDGE/GPRS: 850/900/1800/1900
HSDPA / HSUPA 7.2M / 5.6M
Standalone GPS No, imbeded in MTK6620
GPS / A-GPS Y
Antenna one WWAN antenna, one BT/WLAN/GPS antenna
Camera 5 Mega pixels autofocus CMOS with LED Flash
Keyboard Software Keyboard
I/O
Micro USB USB 2.0
Mini USB N
HDMI N
SD Slot N
Micro SD slot SDHC up to 32GB
SIM card slot Dual SIM
Earphone Jack 3.5 mm
Sensor
Vibrator Y
Ambient Light sensor Y
Accelerometer (G-
Sensor) Y
Gyroscope N
Proximity sensor Y
E-Compass Y
LED 1 (Red/Green/Blue)
Button
Power On-off/Sleep Hard key
Home Soft key
Menu Soft key
Back Soft key
Search Soft key
Vol +/- Hard key
Camera N
Other N
A/D 1. DC Output: 5V and 1A
2. Voltage range/Frequency Input: 100~240V AC, 50/60 Hz
Battery Li-ion battery (4.81Wh, 3.7V, 1500mAh)
Battery life (hrs)
2G Stand by > 2G Lab Stand-by up to 250 hours
2G Talk Time > 2G Lab Talk Time up to 6 hours
3G Stand by > 3G Lab Stand-by up to 250 hours
3G Talk Time > 3G Lab Talk Time up to 4 hours
Quick Charge (hrs) 60% in 1 hr
Docking No
Messaging SMS / MMS / E-mail
Aplication UI Shell Acer Shell
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Web Browser Android Browser
Adobe Flash Support Google market V10.3
E-mail Gmail
Block Diagram of Operating Principle
System architecture of E350
Based on MTK platform design,E350 is mainly composed of Baseband ,RF ,PMU, IO, and other
modules.
Featuring an ARM11-based kernel, MT6577, baseband module features across-the-aboard
peripheral interfaces and achieves seamless integration of audio frequency, SIM card, T Flash card,
Keyboard and other peripheral equipments. The storage structure of AK330 is composed of
DDR2,eMMC flash and T-Flash.
RF module adopt MT6162 as transceiver (2G and 3G) , improved the performance of RF
feature and saved much more place of motherboard. and adopt RF3233 as 2G PA with antenna
switch, ACPM-5401-TR1、ACPM-5408-TR1B as 3G PA.
Vibrator
Transceiver (MT6162)
BaseBand (MT6577)
Memory
MAIN BATERY
WCDMA PA
Camera
I/O CON.
SIM1/2 TF-Card
Receiver /MIC
LCM
Capacitive touch screen
BT/FM/WIFI/GPS 4 IN 1 Module Audio
PA
ASM & GSM RF PA
BJT
Motion sensor
PMIC (MT6329)
FlashLED
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LCM adopts , 4.3" 540*960,16Mcolor LTPS TFT LCD module with Independent series
backlight driver IC.
Human-Interface composed of Multipoint Capacitive Touch Panel with 3 touch key,
Sidekey(Powerkey and Volume key).
AK330 Main board has rich function modules including FM,Bluetooth,WIFI,GPS,motion sensor,
proximity sensor,
Ambient light sensor,dual camera with flash Led.
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1. ID
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1.1 PC upgrade tool
1) Installation upgrade tool driver
Double-click “Install.bat” file,follow the picture
2) Double-click “Flash_tool.exe” icon, follow the picture:
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3) Click button, choose MTK_AllInOne_DA.bin file under the
SP_Flash_Tool_v3.1216.02 root directory.
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4) Unzip software upgrade package, then click button, choose the
MT6577_Android_scatter_emmc.txt file in the upgrade package。
5) Choose USB Mode in the Option button,follow the picture:
6) All setting is completed as the follow the picture:
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7) First, click the button,then turn off the mobile phone connect to PC, It
will start automatically download. Download completed as the follow the picture.
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1.2 SD card download guide
1) Copy the” ZIP” files to the root directory of SD card, then put SD card into its slot.
Be sure have space enough in SD which is twice of space of “ZIP” files at least, or
maybe download failure.
2) Under the status of power-off, press down the volume-up and power-on key at the
same time till going into “recovery mode, as you see the interface like picture below
means into “recovery mode”
3) At the time of picture above, press volume-up key, go on the next interface like the
picture below.
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4) Press the volume-down key till the fourth row show the blue background---“apply
update from sdcard”
5) Press the power-on key and go into the interface like the picture below, the files’s
suffix must be the “zip” , it’s none of the name’s business.
6) via pressing the volume-down key to choose the software files。
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7) When find it , press the power-on key, the process like belows, when the progress
bar is over means download finished.
8) After downloading success, the screen will show “Install from sdcard complete”, if
not, means failed. Please record the language tips, had better take pictures for
engineer to debug. When succeed, choose “reboot system now” to restart.
Rebooting completed is OK.
Common causes of failure to upgrade:
A. Use wrong files to upgrade, for example, use others models software. Measures:
use correct files.
B. When copy original files from computer to SD card, anti-virus software maybe
break some internal files or SD card is defective, lead to upgrade package
copied be different from the original package(use tool for contrasting or contrast
md5 can recognise , verifying files failure in the process of upgrading lead to
upgrade failure.
Measures: delete the software package in the SD card, recopy again to try or
change another SD card , copy original package again to retry.
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7.3 Writing SN NO.
(1.)Run “write barcode 22.exe”, like the interface below
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(2.)Input 22 pieces SN .NO in the blank , as picture below.
(3.)Inputting ok, press “enter”, then green “pass” will be displayed on the interface after seconds,
means success!
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7.4 SD card download guide
9) Copy the” ZIP” files to the root directory of SD card, then put SD card into its slot.
Be sure have space enough in SD which is twice of space of “ZIP” files at least, or
maybe download failure.
10) Under the status of power-off, press down the volume-up and power-on key at the
same time till going into “recovery mode, as you see the interface like picture below
means into “recovery mode”
11) At the time of picture above, press volume-up key, go on the next interface like the
picture below.
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12) Press the volume-down key till the fourth row show the blue background---“apply
update from sdcard”
13) Press the power-on key and go into the interface like the picture below, the files’s
suffix must be the “zip” , it’s none of the name’s business.
14) via pressing the volume-down key to choose the software files。
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15) When find it , press the power-on key, the process like belows, when the progress
bar is over means download finished.
16) After downloading success, the screen will show “Install from sdcard complete”, if
not, means failed. Please record the language tips, had better take pictures for
engineer to debug. When succeed, choose “reboot system now” to restart.
Rebooting completed is OK.
Common causes of failure to upgrade:
C. Use wrong files to upgrade, for example, use others models software. Measures:
use correct files.
D. When copy original files from computer to SD card, anti-virus software maybe
break some internal files or SD card is defective, lead to upgrade package
copied be different from the original package(use tool for contrasting or contrast
md5 can recognise , verifying files failure in the process of upgrading lead to
upgrade failure.
Measures: delete the software package in the SD card, recopy again to try or
change another SD card , copy original package again to retry.
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8 Process of Assemble and Disassemble
Tools
a. Tweezer
b. Cross Screwdriver
c. Plastic Bar
Process of Assemble
一、 Take battery cover away
According to the pictures below,rasie up from the gap,open this side first, then another.
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二、 Disassemble the battery
According to the pictures below,raise up from the slot sign,then take it out。
三、 Disassemble the bottom cover
(1.) Using the cross screwdriver,disassemble the seven screws of picture marked,
using plastic bar to insert the gap between top cover and bottom cover down the four sides,
and take it。
(2.)like the picture below after taking bottom cover away。
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(3.)taking the power key from the bottom cover away.
四、 Disassembling the Mainboard
(1.) Using the cross screwdriver,disassemble the two screws of picture marked:
(2.) Taking the myra away from the connector of TP by tweezer,as the left picture;
and opening the connector,take out the FPC of TP,Watch out breaking the FPC by
the tip of tweezer。
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(3.) Take myra on the connector of LCM,as the left picture,and open the ZIF
connector,take FPC out by tweezer like the right picture. Watch out breaking the FPC
by the tip of tweezer。
(4.)
(5.) Take away sidekey’s FPC from the top cover, take care of having the double-sided
tape between FPC and the cover. As picture below.
(6.) Take away camera’s B-B connector , as picture below。
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(7.) Raise up the mainboard from the top of the phone till about 180 degrees , the top
means approaching the receiver.
(8.) Taking out the FPC of the sub board like the left picture by tweezer , and taking
away connector of the antenna on the mainboard as the right picture below。
五、 Disassemble the camera
Disassemble the camera by tweezer like the picture below。
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六、 Disassemble the bracket of the antenna
disassemble the two screws of picture marked,then take away the bracket and
speaker. as pictures below.
七、 Disassemble the receiver
Use the power up on the side of receiver, as the picture below
八、 Disassemble the P-senser
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九、 Take away the screw upon the left picture below,then open the cover of the
connector by tweezer and pull it out.。
Unless necessary,please do not disassemble sub-board、TP、LCM。It is very easy to
break them. All disassembled parts as picture below.
Process of assemble
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一、Assemble the bracket of the antenna
(1.) set the coaxial cable,take care of the fixed position on the right side 。
(2.)set a speaker into fixed position in the bracket,take care of the two pin of speaker
to the pads on the sub-board,then put the bracket of the antenna, and assemble the two
Screws as pictures.
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二、Set up the P-sensor foam as picture below.
三、install the receiver
Put receiver into the fixed slot , according to the direction of the receiver in the
picture。
四、Install sensors
(1.)take the paper on the FPC of sensors away,glue the FPC on the black bar,
take care of the fixed hole,as the picture below:
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(2.)insert the FPC into the connector, then assemble the screw on the back。
五、assemble the mainboard
(1.)firstly insert sub board FPC into the zif , close the brown cover of the zif , put a
myra on the zif ,and set the tip of coaxial cable on the interface。
(2.)put the mainboard well ,assemble the two screws as picture below。
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(3.) insert the FPC of LCM into the zif as the left picture below, then close the cover
and put a myra on 。
(4.) insert FPC of TP into the corresponding zif , then close the cover and put a anti
ESD myra on. As pictures below.
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(5.)put the side key FPC well ,take care of fixed holes。
六、assemble the camera
Put Camera into its slot, push B-B connector well 。
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七、assemble the bottom cover
(1.)take away the paper of double-sided tape and stick the lense on。
(2.)take away the paper on the decorate-camera and put into the slot on the bottom
cover,a hole with light circle approach the left , as the right picture below。
(3.)assemble Wi-Fi GPS antena
a. take away GPS paper firstly,attention to the four fixed hole position as the right
picture below.
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b.glue the antenna onto the bottom cover as pictures below:
c. put the pwer key into its slot on the bottom cover。
(2.) assemble the bottom cover into the top cover
Firstly put well top side (approach micro-usb),then push other side well
(3.)assemble the seven screws.
八、assemble the battery and the battery cover
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Insert the battery and cover the battery cover。
The process of assemble is over。
9 Function Test
Ways &Steps:
(一) Insert card
1. Check the appearance and 7screws;
2. Insert TF 、SIM1 and SIM2 into their corresponding slot corrcetly;
(二) Power on、test dailing
Press the power key,the mobile will vibrate、have flash and clear music for power-on.
1. After power up ,the LCM show this picture below. Check the mobil to recognize the
two sim card.
Normal shows
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2. Dail10086, should hear the clear sound from the receiver, then active the speaker ,hear
the clear and loud sound from speaker at the same time.
(三) input orders
take the mobile from the former station, press the “dial key” , input *#889#, active “CIT
test”, go into “PCBA test(the second item)”,go on the “PCBA auto test”
(四) SW version、SN number、memory and sim card and so on test.
1. Take the mobile from the former station, press the “dial key, input *#889#, active “CIT
test”, go into “PCBA test”, go on the “PCBA test”。
2. Test version:
go into the “PCBA auto test, firstly check if the SN NO is the same with the SN lable on the
PCBA and if SW version is the same with the Plan Book’s;
Be sure is the same ,press “OK” and go into phone memory test;
Check the two memory of sd1 and sd2, there is number proves that’s pass, if no
number,firstly test TF card,if ok, as defective product.
Sim1、Sim2 display like the right picture below, means “Pass”:
The phone vibrated normally, no abnormal is “OK”。
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(五) Test camera
Take the phone from the former station ,press “success”,go into the camera test。
1. Take video with 15cm Macro-focusing and 60cm distance,看摄像色卡、白卡是否清
楚,无黑点,黑团,模糊,花屏等不良, if no faults, then press “success” and go into
flash light test 。
2. the light is on, pass,go next the workshop。
(六)
(七) LED/MIC/REC TEST
Take the phone from the former station,press “success” and go into “LED TEST:
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1. Red and green light flash by turns, and no light is out from USB as pass , press
“success” and go into “charging test”;
2. Insert charger,the red light is on as pass,press “success” go into audio loop test;
3. Speak 12345 approach MIC , the hand will wiggle,hear clearly 12345 from the
receiver;
4. Go on the next。
(八) Test earphone, key, and sleep/wake modee
Take the phone from the former station,press “success” and active earphone test:
1. Earphone test:
Insert earphone,speak 12345 to the MIC on the earphone line,will hear clear sound
from the two earphone, without abnormal sound as good product,press “success”
and go on “KEY TEST”。
2. Key test:
press “volume up” key,’volume up’ turn green,按 press “volume down” key,‘ volume
down‘ turn green, press the “call end key” on the phone ,” earphone” turn green as
piture 2, press “success” ,go into the next test as picture 3。
3. sleep/wake test:
press the power-key,the phone slee-on,press again,the phone is awake, as good
product。
4. go next the station。
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(九) TEST LCD and LCD brightness
1. TEST LCD:go into the interface,click the screen to exchange the colour ,without
color dot、black dot、 defective line、deep or slight in colour and so on, as good
product,click “success” into “LCD brightness test”。
2. move the button of brightness adjustment,untouch it,the brightness will change
(moving left turn dark, moving right turn bright),as good product。
3. go the next station。
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(十) FM test
take the phone from the former station,点 click “success” into ‘FM TEST’ :
1. FM test:insert earphone,tune the frequence 98.5,may hear clear sound, click
“success into ‘TP TEST’;
2. TP test:according the show write like the picture below one by one.,all areas turn
green, after that , go into TP double-dot touch test.;
3. press the two left white dots to move to the right,then untouch it,if OK,auto exit
from “PCBA auto test” , means all passed 。
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(十一) play music、key test
take the phone from the former station,insert earphone,if locked,slide to right to
unlock,clicl MENU,slide the screen to the left:
1. click music,play music,listen if it is clear, with or without abnormal sound;
2. click the ‘window key’,if the key turns light blue , if the screen will exist and show
the current status like the first picture the second line;
3. click the “return key”,if the interface can go back the upper interface;
4. click “home page”,if the interface will came back the standby interface;
5. NO defective,go on the next station。
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(十二) Sensor test
1. G-sensor test:after going into the test interface,竖 turn around the phone with
clockwise, take care of the screen face you all the time, check the direction of the
head of arrow, all is down as good porduct;
2. E-compass test
Hold the phone like writing the “8” number,IF Quality≥2(as picture below),as pass,
click “success” return “ PCBA single item test”;
3. Proximity sensor test:look the initial,the black phone’s<3,the white phone’s<8,
go on the next,others as defective products;put the into the tool of testing P-
sensor,push the tool of sensor,when 2cm between the phone and the tool, the LCM
turn green&red , when 3cm the LCM turn blue&green , as pictures below.click
“success” into “the light sensor test”;
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4. Light sensor test(the work light need get on):open the light sensor test,use hand
to sense the sensor,the LCM light powe off as good product, click ‘success’ into
the next;
5. Take out sim1, sim2, and TF card, close the cover of the TF slot, insert charger , the
blue light is on, as good, put the battery into it, go next the station. As picture below.
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10 Exploded View
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11 Label descriptor
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12 FRU list
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Labels class Description Material coding
Device label 47.HAKH7.018
Seal label 47.HAKH7.019
WATER PROOF 47.HAKH7.001
Electroacoustic device Description Material coding
Receiver 60.HAKH7.005
Speaker 23.HAKH7.001
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Sensor frame 47.HAKH7.014
Sensor FPC 55.HAKH7.002