Acer Z320 Service manual

1

Z320

SERVICE GUIDE

i

Table of Contents

Chapter 1 Product Features and Hardware Specifications

Features………………………………………………….………………………………..……......…1-4

Phone Tour………………………………………………………………………….…………........…..5

Front View…………………………………………………………………………………….…….…...6
Rear View…………………………………………………………………………………….……….…7
Top View………………………………………………………………………….………….…………..8

Bottom View………………………………………………………………………………….……........9

Left View………………………………………………………………………………………..………10

Right View……………………………………………………..……………...…………………....…..11

Chapter 2 Diagnostic Utilities

Introduction………………………………………………………………...……….………………….12

Qualcomm Multiple Download Tool Guide……………………………………………..............12-22

Qualcomm WriteStation User Guide………………………………………..….........................23-40

Chapter 3 Service and Maintenance

Introduction…………………………………………………………………………………………41-42

Disassembly and Reassembly Guide…………………………………………….....................43-64

L2 Troubleshooting Guide………………………………………………………….……………..65-71
How to modify sku change………………………………………………………………………..72-74

Chapter 4 Diagnostic Tool SOP

Introduction and Installation Method…………………………………………...……..………...75-76

Test Items and Function Description…………………………………………..……….............77-79

Operational Methods of Test Items……………………………………………………………….…79

Test Content Description…………………………………………………………......................79-92

Chapter 5 Serial Number Definition

Introduction of Acer FG SN………………………………………………………...…………....93-100

Introduction of Acer KC PN and Acer KC SN………………………………….....................101-102

Chapter 6 FRU (Field Replaceable Unit) List

Exploded Diagram………………………………………………………………..………….….103-105

FRU List………………………………………………………………………………...........….105-109

ii

Revision History

Please refer to the table below for the updates made on this service guide.

Date

Chapter

Update

Copyright

Copyright 2015 by Acer Incorporated. All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language or computer language, in any form or by any means, electronic, mechanical, magnetic,
optical, chemical, manual or otherwise, without the prior written permission of Acer
Incorporated.

Disclaimer

The information in this guide is subject to change without notice.

Acer Incorporated makes no representatives or warranties, either expressed or implied,
with respect to the contents hereof and specifically any warranties of merchantability or fitness
for any particular purpose. Any Acer Incorporated software described in this manual is sold or
licensed “as is”. Should the program prove defective following their purchase, the buyer (and
not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary
servicing, repair, and any incidental or consequential damages resulting from any defect in the
software.

Acer is a registered trademark of Acer Corporation.

Other brand and product names are trademarks and/or registered trademarks of their
respective holders.

iii

General Information

This Service Guide provides you with all technical information relating to the basic

configuration for Acer’s global product offering. To better fit local market requirement and

enhance product competitiveness, your regional office may have decided to extend the
functionality of a machine (e.g. add-on card, modem, or extra memory capabilities). These
localized features are not covered in this generic service guide. In such cases, contact your
regional offices or the responsible personnel/channel to provide you with further technical
details.

When ordering FRU parts:

Check the most up-to-date information available on your regional web or channel. If, for
whatever reason, a part number change is made, it may not be noted in this printed service
guide.

For Acer-authorized service providers:

Your Acer office may have a different part number code than those given in the FRU list of
this printed service guide. The list provided by your regional Acer office must be used to order
FRU parts for repair and service of customer machines.

CHAPTER 1

Product Features and Hardware Specifications

Product Features and Hardware Specifications

Features………………………………………………….………………………………..……......…1-5

Phone Tour………………………………………………………………………….…………........…..6

Front View…………………………………………………………………………………….…….…...7
Rear View…………………………………………………………………………………….……….…8

Top View………………………………………………………………………….………….…………..9

Bottom View………………………………………………………………………………….……......10

Left View………………………………………………………………………………………..………11

Right View……………………………………………………..……………...…………………....….12

1

Product Features and Hardware Specifications

Features

Following is a summary of the phone’s main specifications:

Operating System

Android 5.1 Lollipop

Can be upgraded to

N/A

UI Version

Acer Liquid UI

Processor

MSM8209 Quad-core 1.1GHz

Memory

RAM

1GB LPDDR3 or 2GB LPDDR3

Internal Memory

8GB or 16GB

Available Memory for User

3GB or 11GB

Micro-SD slot

Up to 32GB, SDHC 2.0 compatible

Display

Size

4.5 inch

Display Type

■TFT-LCD □ AMOLED □2D □3D

IPS Support

□No (But needs complied) ■Yes

Resolution

FWVGA 854(H)x480(W) 16:9 ratio
Ppi

218 ppi

Touch

Touch technology

Capacitive

Multi Touch Support

□Single □Single with gesture

□Multi; 5 Points touch

■Single Layer Two Touch

Touch Lens Type,

□G/G ■G/F □G/F/F □Single Glass (OGS2 , Gorilla 3 , 2.5D

glass)□ On cell

□In cell

Air Gap

Air bonding

Cover Surface Hardness

7H – AGC

Feature

With Anti-Finger print Coating, Without Gloves and Quick

touch

Printing

Acer logo

Dimensions

136 X66.5 X 9.6mm

Weight

142g (with battery)

Radio

3G :
HSPA/WCDMA: [EU] [TW]850MHz(B5) /900MHz(B8) / 1900MHz(B2) / 2100MHz(B1)

HSPA/WCDMA: [PA] 850MHz(B5) /1900MHz(B2) / AWS Band(B4)

2G :

GSM/GPRS/EDGE: 850MHz / 900MHz / 1800MHz / 1900MHz for All
HSDPA up to 42Mbps(Cat 24) , HSUPA up to 5.76Mbps (Cat 6)
GPRS Class 12 /EDGE Class 12
MMS, SMS, Email, IM

Dual Carrier Support

□No ■Yes (remark: only down link )

AWS Band layout reserved

□No ■Yes

2

AU Band (850/2100) layout reserved

■No □Yes

Connectivity

Wireless LAN

IEEE 802.11 b/g/n

GPS

GPS, with A-GPS support and SUPL

FM

□No ■Yes (Using Headset as antenna)

Micro-USB

□No ■Yes

HDMI

■No □Yes

Acer Cloud

□No ■Yes

WPS

■No □Yes

Wireless Display(Miracast)

■No □Yes; Type

WiFi Direct

■No □Yes

Wireless Charging

■No □WPC □A4WP

Bluetooth

Bluetooth® 4.0 with EDR

BT Profile Support:

■A2DP □ATT■AVRCP □BIP □BPP □CIP □CTP □DIP □DUN □FAX ■DID

□FTP □GAVDP ■GAP □GATT □GOEP □HCRP □HDP ■HFP ■HID ■HSP □ICP □LAP ■MAP □OBEX

■OPP■PAN ■PBAP□ PBA □SPP □SDA ■HOGP

□SAP □SIM □SYNCH □VDP □WAPB

Camera

Main

5M AF

Flash LED

■Ye s □No

2nd (3D)

No

Front

2M FF

Torch LED

□Yes ■No

Others

HD Voice

Multi Microphone for noise cancellassions

□No ■ Yes

Echo Cancelation

□No ■Yes

WB-AMR

□No ■Yes

Audio

Dolby Mobile

■No □Yes

DTS

□No ■Yes

Receiver

Single

Audio Jack

3.5mm

Speaker

Single (without Box)

Media Format and

Codec Support

Video Encoder

H.263, H.264 AVC, VP8 (Android 4.3+)

Video Decoder

H.263, H.264 AVC, H.265 HEVC, MPEG-4 SP, VP83, VP9 (Android 4.4+),

WMV9

Audio Encoder

AAC LC, AMR-NB, AMR-WB, PCM/WAVE (Android 4.0+), AAC+ (Android

4.1+), AAC ELD (Android 4.1+)

Audio Decoder

AAC LC, AAC+, eAAC+, WAV, MP3, MIDI, Vorbis, AMR-NB, AMR-WB,

FLAC (Android 3.1+), AAC ELD (Android 4.1+), PCM/WAVE (Android

4.0+), Opus (Android 5.0+)

Image Encoder

JPEG, PNG, WEBP

Image Decoder

JPEG, GIF, PNG, BMP, WEBP

Ergonomic Design

1. Touch Screen

2. Side keys:

- Volume Up/Down/ Power Button

3

LED Indication

Yes.

Sensors

Ambient L-sensor

□No ■Yes

G-sensor

□No ■Yes

e-Compass

■No □Yes

Proximity Sensor

□No ■Yes

Gyro-sensor

■No □Yes

Barometer Sensor

■No □Yes

Hall-sensor

■No □Yes

NFC

■No □ Yes with Securety in SIM □ Yes with Securety in both SIM and IC

SIM slot
SIM Type

□Mini SIM ■ Micro SIM □Nano SIM

SIM Slot Numbers

■Single SIM only ■ Dual SIM □ Tri SIM only

Water Proof

■No □ Yes; IP Level: _______________

Lanyard

■No □Yes

Text Entry

Google input

Messaging

Universal inbox

SMS, MMS, email

Email

Gmail

IM

Gtalk

Web

Browser

Chrome

Search

Google Search

Entertainment

Video, Music

Google Default

Music streaming

No

Video streaming

YouTube

Social network

Facebook

Productivity

Push mail

Gmail

PC sync

Google cloud sync

Cloud sync

Google Cloud; Acer Cloud

Office

Google drive PDF reader

Location-based

Services

A-GPS

Satellite Data Update

Maps & directions

Google Maps, Latitude, Street View

Online App. Store

Google Play

Power

Voltage range/frequency: 100 ~ 240V AC, 50/60 Hz

DC output: 5V 1A

Battery

 Rechargeable/ Replaceable Li-Polymer battery
 Capacity: 2,000mAh (Minimum /4.35V)
 2G Stand-by > 250 hours (TBD)
 2G Talk Time > 6 hours (TBD)
 3G Stand-by > 250 hours (TBD)
 3G Talk Time > 4 hours (TBD)
 Quick Charge > 50% in 1 hour.
 Removable: ■ Yes; □No

4

Packing List

Device (With battery) ■AC adaptor, ■USB cable, ■3.5mm headset, ■ quick start guide,

■warranty card, ■Screen Protector film(removable), ■safety leaflet, □Pouch (optional) , □HDMI

Cable, □2nd Battery, □Universal Charger, □Extra Battery Cover(optional), □Active Pen,

□COA Label, □ Others: _____________________________________________

Optional Accessories

(In-Box)

□Wi-Fi display Adapter □Soft pouch □Stylus(active pen) ■Slim case ■Flip cover ■Bumper

band(TBD)

Optional Accessories

(Retail Box)

■Slim case ■Flip cover ■Bumper band(TBD)

Certification

EU SKU : CE / GCF Conformance / GCF OTA / GCF FT / GCF IOP / BQB / WiFi logo / WHQL / CTS /

Battery : BSMI

US SKU : FCC / IC / CTIA OTA / WiFi OTA / PTCRB report

TW SKU : NCC/CE

HAC

■No □Yes

Green Design

Must Comply with acer 707-0008-V7 Guidance of Restricted Substances In proceducts

Complete acer Eco-profile (including attachments) and tender questionnaire if any.

RoHS/WEEE

□No ■Yes

PVC Free

■No □Yes

Halogens Free (FCS date after 2012.1.1, must comply with HF)

■No □Yes

Special New

Feature Requirement

□ Magic conference call function

Accessory

Certification

Adapter :

■ CE logo for EU EMC (CB test report & EMC test report) /.

Safety:

□ UL license (for America safety)

■ TUV Certification (for German safety)

■ Gost-R license (for Russia)

□ C-Tick license (for Australia) / ……

■ BSMI license & CNS 14336-1 report for Taiwan and Malaysia.

Battery Cell :

■ UN38.3 (including 1.2 meter Drop Test Report) –SRICI or Beijing Inspection Bureau

■ U.N. Battery Shipping Regulations - Drop test 1.2m) and MSDS data.

■ EN60950-1 CB shall be included

1) 4.6.5 Adhesives for constructional purposes

2) 2.5 Limited power sources

3) 4.2.4 Mechanical strength – 250N force test

4) 4.2.6 Mechanical strength – drop test

5) 4.2.7 Stress Relief Test

□ TISI(Thailand only)

5

Phone Tour

Six View

6

Front View

Figure 1.1 Front View

#

Item

Description

1

FRONT CAMERA

6*6*4.0_200W

2

IR HOLE

/ 3 LED LAMP

/ 4 TOUCH SCREEN

Cutting glass, bottom silkscreen

5

RECEIVER DECEORAION

Aluminum, silver

6

RECEIVER MESH

Black

2 6 3 5 4

1

7

Rear View

Figure 1.2 Rear View

#

Item

Description

1

REAR COVER

PC, black

2

REAR CAM LENS

Black, cutting glass, bottom silkscreen

3

FLASH LAMP

PMMA, transparent

4

SPEAKER MESH

Black

1 2 3

4

8

Top View

Figure 1.3 Top View

#

Item

Description

1

POWER KEY BUTTON

Power on or off the phone.

2

AUDIO JACK

/

2

1

9

Bottom View

Figure 1.4 Bottom View

#

Item

Description

1

USB Port

/

1

10

Left View

Figure 1.5 Left View

11

Right View

Figure 1.6 Right View

#

Item

Description

1

FRONT COVER

PC+10%GF, black

2

MIDDLE COVER

PC, silver

3

VOLUME KEY BUTTON

Increases or decreases the volume.

1

2

3

12

CHAPTER 2

Diagnostic Utilities

Introduction

The Z320 has a Qualcomm Multiple Download Tool designed to software upgrading and a
WriteStation Tool designed to write SN/IMEI/BT/Wifi, etc.

Qualcomm Multiple Download Tool Guide

1. Purpose:

This document is Qualcomm platform EMMC multiple download tool operating instructions. Applicable to
HQXA_CustomerDL_EMMC_V *. *. * And subsequent upgrade version, If the document version has updated
to the latest version shall prevail.

2. Scope:

Download the program applies to support Qualcomm support EMMC smartphone, Use the relevant operator
to upgrade the software for updates. This guidance document is intended for customers to upgrade to guide
use.

3. Driver Install:

Unzip drive directory Driver all-in-one.rar, run hwdriverinstall.exe, proceed as follows.

3.1 Welcome

Pic 1

13

3.2 Install Process

Pic 2

3.3 Driver Warning

Driver is not certified WHQL. The first installation will show the following dialog box. Please click still proceed
with the installation. The installation process to support multi-port will Tip many times.

Pic 3

14

3.4 Driver Finish

Pic 4

After the installation is complete, the drive will need to restart the computer drives can automatically take
effect.

15

4. Procedure

4.1 Program Install

The program can decompress compressed files used.

4.2 System Connect

PC through the USB port and the phone connection and to be upgraded

4.3 Run Program

(1) Connect to PC, Settings-->Storage-->Menu-->USB Computer Connection--> Uncheck "Media device
(MTP)"

(2) Run “ets.startrun.exe” Program. Program will starts normal.
(3) Login: Interface will show as below.

Pic 5

The default Port is NULL. After configure, you can use the Download tools.

5. Install Considerations

(1) Driver has been properly installed - Please refer to the driver installation 3.
(2) Do not insert the SD card (T card) in phone before upgrade.
(3) Do not open other tools used Diag Port. for QPST.
(4) No open Log engineering instruction. If open, Please close, Engineering instruction: ####7878#和
####8787#

16

6. Download Configure

6.1 Path Configure

The need for the path and port software to configure the software after the open as below.

Pic 6

Select the software version of the root directory, if the path is not correct, download tooltip error.

Pic 7

6.2 Port Configure

The tools need to configure the USB port number, and the corresponding need to use the USB Device
Manager tool to view the USB port. Point in the parameter configuration dialog "USB Device Manager" button
in the main interface point or "USB" toolbar icon can start a USB device manager (Pic 8-10).

17

Pic 8

Pic 9

Pic 10

Select auto-refresh mode, each insert a cell phone, the USB Manager will appear in a line of new equipment.
USB device port number information in front of the line in the second column shows that is the thread you
need to configure the port number. 0X12D1 is the equipment, as follows:

18

Pic 11

Find the matching phone in Device Manager according to PID0X12D1. It will show USB_507 in Device
Manager. The download tool interface’s port configuration should keep the same as Device Manager. Choose
USB507 in parameter setting as below:

Pic 12

7. Download Process

Pic 13

19

After you configure the path and port directly point the main interface "Start All" button to start the
download process. You can also double-click the left mouse button to start the download process of the
thread on the corresponding thread information line.

This tool supports up to 8 threads to download, based on software running stability considerations, it
would be best six threads running.

Pic 14

8. Test Result

And other production line download tool, this download tool after the download failed or successful "state
(P / F)" column corresponding to the position of the message will become successful (green) or failure (shown
in red

After the download is complete phone is black screen, built-in battery project requires a long press to
boot, non-built-in battery data items need to unplug the data catch and battery re-boot.

9. Download Except Process

Encountered in the process of download abnormal situation lead to the upgrade fails. Mobile phones can't
boot. Insert USB Cable. Open Device Manage, Double click the red part of the picture, it will display driver
information. If there is a failure of the 9008 said the mobile phone has been upgraded. This is Emergency
download, Appear such circumstance needs the following upgrade.

20

Pic 15

9.1 Configure

Download mode needs to choose empty area, port configuration is the same as 6.2, path selection software.

Pic 16

10. FAQ
(1) No Phone

Device Manager has a port, but the tool still shows No Phone, because there may be other tools occupy Diag
port. Investigation as follows:
Step 1: Please see if there is open to other PC side tools such as QPST and other tools on the computer. Yes
please turn off.
Step 2: See the end of the process there is no tool out of the high-pass process, such as QPSTServer.exe or
emmcdownload.exe Qualcomm and other similar tools process. Yes please exit out these processes.

21

Step 3: enter engineering instruction #### 8787 #### 7878 # # and turn off the phone Log.
Step 4: redisconnect the phone, power, re-open the tool, and then connect the phone.
The fifth step, if it cannot resolve. Please restart your computer and then connect your phone to open the tool
to try.

(2) Upgrade mode switch failure

Make ensure that before upgrading T card is not inserted, the investigation is as follows:
Step 1: Open the Device Manager to see whether the port to see if a drive is not installed.
Step 2: Check the battery, if the battery is low, the switch no device（the driver has not been WHQL certified，
need to manually update drivers）
Step 3 USB cable may be connected to the front USB port on the computer, hanging dead after switching
USB ports. Please plugged into the rear USB port.

(3) Manually update drivers

Automatically after the installation is complete driver, if the driver has not been certified WHQL, following
dialog box will pop up:

22

Click Next:

Automatic install:

23

Qualcomm WriteStation User Guide

1：Environment requirement

1.1.Hardware environment

1.1.1. Computer，CPU 1.7GHz or above， 512M ram or above

1.1.2. Monitor，the resolution is 1024×768 or above

1.1.3. Stabilized D.C. source (4.0V/2A) or full charged battery of mobile phone

1.1.4. Mobile phone

1.2.Software environment

1.2.1. OS: Window2000, XP

1.2.2. WriteStation program: “HQ_WriteStation_V2.1.30_150724”

1.2.3. HQ Framework: “HQ_Framework_v3.6_150810”

1.2.4. USB driver: “PlatDriversInstall1.8” or above

1.3.Others

1.3.1.Power cable

1.3.2.USB data cable or UARR to usb cable

1.3.3. USB Hub when needed. Please note that USB Hub should be powered

2：Connection

3：Setup

2.1: Driver should be installed first.

2.2: HQ Framework should be installed before WriteStation tool was installed. Please keep default

settings while installing.

2.3: At last, WriteStation tool should be installed, and please keep default settings while installing.

2.4: All tools or drivers are mentioned above can be download from: http://192.168.25.184/wiki/tools.html

4：Write

4.1：Double click the icon show as below picture to run WriteStation：

24

4.2：User interface of WriteStation

25