Motorola A920 User manual

Level 1 and 2 Service Manual
A920, A925
Wireless Telephone
A920, A925
GSM and WCDMA 900/1800/1900/2100 MHz

6881042B40-A October 27, 2003 i
Level 1 and 2 Service Manual Contents
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Regulatory Agency Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Computer Program Copyrights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
About This Service Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty Service Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Video Camera and Location Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Controls, Indicators, and Input/Output (I/O) Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
User Interface Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Alert Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Battery Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Tools and Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Removing and Replacing the Battery Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Removing and Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Removing and Replacing the USIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Removing and Replacing the Front Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Removing and Replacing the Plastic Chassis Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Removing and Replacing the Microphone Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Removing and Replacing the Transceiver Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Removing and Replacing the Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Removing and Replacing the Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Removing and Replacing the Secure Card/Multimedia Card (SD/MMC) PCB . . . . . . . . . . . . . . . . . . . . . 31
Subscriber Identity Module (SIM) and Identification Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Identification Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Manual Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Manual Test Mode Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Manual Test Mode Response Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Level 2 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Programming: Software Upgrade and Flexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Part Number Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
A920 Exploded View Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
A925 Exploded View Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Exploded View Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1 and 2
A920, A925
6881042B40-A
Contents

ii October 27, 2003 6881042B40-A
Contents A920, A925

6881042B40-A October 27, 2003 1
Level 1 and 2 Service Manual Introduction
Introduction
Motorola®Inc. maintains a worldwide organization that is dedicated to provide
responsive, full-service customer support. Motorola products are serviced by an
international network of company-operated product care centers as well as autho-
rized independent service firms.
Available on a contract basis, Motorola Inc. offers comprehensive maintenance and
installation programs which enable customers to meet requirements for reliable,
continuous communications.
To learn more about the wide range of Motorola service programs, contact your local
Motorola products representative or the nearest Customer Service Manager.
Product Identification
Motorola products are identified by the model number on a label usually located
under the battery. Use the entire model number when inquiring about the product.
Numbers are also assigned to chassis and kits. Use these numbers when requesting
information or ordering replacement parts.
Product Names
Product names are listed on the front cover. Product names are subject to change
without notice. Some product names, as well as some frequency bands, are available
only in certain markets.
Product Changes
When electrical, mechanical or production changes are incorporated into Motorola
products, a revision letter is assigned to the chassis or kit affected, for example;
-A, -B, or -C, and so on.
The chassis or kit number, complete with revision number is imprinted during
production. The revision letter is an integral part of the chassis or kit number and
is also listed on schematic diagrams, and printed circuit board layouts.
Regulatory Agency Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following conditions:
• This device may not cause any harmful interference, and
• this device must accept interference received, including interference that may
cause undesired operation
This class B device also complies with all requirements of the Canadian Interfer-
ence-Causing Equipment Regulations (ICES-003).
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement
sur le matériel brouilleur du Canada.
1 and 2
A920, A925
6881042B40-A
Table of Contents

2October 27, 2003 6881042B40-A
Introduction A920, A925
Computer Program Copyrights
The Motorola products described in this manual may include Motorola computer
programs stored in semiconductor memories or other media that are copyrighted
with all rights reserved worldwide to Motorola. Laws in the United States and other
countries preserve for Motorola, Inc. certain exclusive rights to the copyrighted
computer programs, including the exclusive right to copy, reproduce, modify,
decompile, disassemble, and reverse-engineer the Motorola computer programs in
any manner or form without Motorola's prior written consent. Furthermore, the
purchase of Motorola products shall not be deemed to grant either directly or by
implication, estoppel, or otherwise, any license or rights under the copyrights,
patents, or patent applications of Motorola, except for a nonexclusive license to use
the Motorola product and the Motorola computer programs with the Motorola
product.
About This Service Manual
Using this service manual and the suggestions contained in it assures proper
installation, operation, and maintenance of A920 or A925 telephones. Refer
questions about this manual to the nearest Customer Service Manager. This
manual contains mechanical service information required for the equipment
described and is current as of the printing date.
Audience
This document aids service personnel in testing and repairing V290 telephones.
Service personnel should be familiar with electronic assembly, testing, and
troubleshooting methods, and with the operation and use of associated test
equipment.
Scope
This manual provides basic information relating to A920 or A925 telephones, and
also to provide procedures and processes for repairing the units at Level 1 and 2
service centers including:
•Unitswapout
• Repairing of mechanical faults
• Basic modular troubleshooting
• Testing and verification of unit functionality
• Initiate warranty claims and send faulty modules to Level 3 or 4 repair
centers.

6881042B40-A October 27, 2003 3
Level 1 and 2 Service Manual Introduction
Conventions
Special characters and typefaces, listed and described below, are used in this
publication to emphasize certain types of information.
Warranty Service Policy
The product is sold with the standard 12 month warranty terms and conditions.
Accidental damage, misuse, and extended warranties offered by retailers are not
supported under warranty. Non warranty repairs are available at agreed fixed
repair prices.
Out of Box Failure Policy
The standard out of box failure criteria applies. Customer phones that fail very
early on after the date of sale, are to be returned to Manufacturing for root cause
analysis, to guard against epidemic criteria. Manufacturing to bear the costs of early
life failure.
Product Support
Customer’s original phones will be repaired but not refurbished as standard.
Appointed Motorola Service Hubs will perform warranty and non-warranty field
service for level 2 (assemblies) and level 3 (limited PCB component). Motorola High
Tech Centers will perform level 4 (full component) repairs.
Customer Support
Customer support is available through dedicated Call Centers and in-country help
desks. Product-Service training should be arranged through the local Motorola
Support Center.
➧Note: Emphasizes additional information pertinent to the subject
matter.
GCaution: Emphasizes information about actions which may result in
equipment damage.
EWarning: Emphasizes information about actions which may result
in personal injury.
MKeys to be pressed are represented graphically. For example, instead of “Press
the Menu Key”, you will see “Press M”.
Information from a screen is shown in text as similar as possible to what
appears in the display. For example, ALERTS or ALERTS.
Information that you need to type is printed in boldface type

4October 27, 2003 6881042B40-A
Introduction A920, A925
Parts Replacement
When ordering replacement parts or equipment, include the Motorola part number
and description used in the service manual.
When the Motorola part number of a component is not known, use the product model
number or other related major assembly along with a description of the related
major assembly and of the component in question.
In the U.S.A., to contact Motorola, Inc. on your TTY, call: 800-793-7834
Accessories and Aftermarket Division (AAD)
Replacement parts, test equipment, and manuals can be ordered from AAD.
For EMEA spare parts call [phone].
For Asia spare parts call [phone].
U.S.A. Outside U.S.A.
Phone: [phone] Phone: [phone]
FAX: [phone] FAX: [phone]

6881042B40-A October 27, 2003 5
Level 1 and 2 Service Manual Specifications
Specifications
1UTRA Absolute Radio Frequency Channel Number (UARFCN)
2All talk time and standby times are approximate and depend on network
configuration, signal strength, and features selected
Table 1. Specifications
General Function Specification
Frequency Range EGSM TX: 880 - 915 MHz
Frequency (MHz) = 890 + (0.2 ×n) where: 0 ≤n ≤124
Frequency (MHz) = 890 + (0.2 ×(n – 1024)) where: 975 ≤n ≤
1023
RX: 925 – 960 MHz
Frequency (MHz) = 935 + (0.2 ×n) where: 0 ≤n ≤124
Frequency (MHz) = 935 + (0.2 ×(n – 1024)) where: 975 ≤n ≤
1023
Frequency Range DCS TX: 1710 to 1785 MHz
Frequency (MHz) = 1710 + (0.2 ×(n – 511)) where: 512 ≤n ≤
885
RX: 1805 to 1880 MHz
Frequency (MHz) = 1805 + (0.2 ×(n – 511)) where: 512 ≤n ≤
885
Frequency Range PCS TX: 1850 to 1910 MHz
Frequency (MHz) = 1850 + (0.2 ×(n – 511)) where: 512 ≤n ≤
810
RX: 1930 to 1990 MHz
Frequency (MHz) = 1930 + (0.2 ×(n – 511)) where: 512 ≤n ≤
810
Frequency Range UMTS TX: 1920 to 1980 MHz
Frequency (MHz) = UARFCN1÷5, where: 9612 < UARFCN1<
9888
UARFCN1in increments of 25
RX: 2110 to 2170 MHz
Frequency (MHz) = UARFCN1÷5, where: 10562 < UARFCN1<
10838
UARFCN1in increments of 25
Channel Spacing 200 kHz (GSM, DCS, PCS), 5MHz UMTS
Channels 174 EGSM, 374 DCS, 274 PCS carriers with 8 ch. Per carrier,
11 UMTS
Duplex Spacing 45 MHz GSM, 95 MHz DCS, 80 MHz PCS, 190 MHz UMTS
Modulation GMSK AT BT = 0.3 (GSM, DCS, PCS), QPSK (UMTS)
Transmitter Phase Accuracy 5 degrees RMS, 20 Degrees peak
Frequency Error + 0.1ppm
Input/Output Impedance 50 ohms (nominal)
Nominal Operating Voltage 3.6 Vdc +10% (battery)
+4.4 Vdc +10% (external connector)
Dimensions (Volume)
(w/Standard battery)
148.5 x 60 x 24.3 (mm),
5.8 x 2.3 x 0.96 (in)
Volume 172 cc, 10.5 in3
Weight 209 g, (6.75 oz) with battery, stylus, and SD card
Display TFT active matrix full color display (65K colors)
208 x 320 pixel LED front lighting
Battery Life (800mAh)2GSM: Up to 150 min. (Talk Time), up to 200 hours (Standby)
WCDMA: Up to 90 min. (Talk Time), up to 185 hours (Standby)
Nominal Temperature Range -20º C to +50º C

6October 27, 2003 6881042B40-A
Specifications A920, A925
Table 2. GSM System
General Function Specification
Speech Coding Type Regular Pulse excitation/linear predictive coding with long
term prediction (RPE LPC with LTP)
Bit Rate 13.0 kbps
RF Power Output 32 dBm nominal GSM, 28.5 dBm nominal DCS/PCS
Receive Sensitivity -107 dBm GSM, -102 dBm DCS/PCS
RX Bit Error Rate < 2%
Table 3. UMTS System
General Function Specification
Speech Coding Type Adaptive Multirate (AMR)
RF Power Output 21 dBm
Error Vector Magnitude < 17.5%@Pout >-20 dBm
PN9 Bit Error Rate (VER) 0.1% @12.2k, -106.7 dBm
ACLR -33 dB @+5 MHz, -43 dB @+10 MHz

6881042B40-A October 27, 2003 7
Level 1 and 2 Service Manual Product Overview
Product Overview
The A920 and A925 are Motorola’s next evolution of a smart phone 3G device. This
product provides high speed network access and rich multimedia content all in a
superior voice centric unit. A video camera and GPS functionality provide additional
value by offering unique business and entertainment solutions.
The mechanical architecture features a 208 x 320 pixel, 0.192mm pitch TFT active
color display, a built-in speaker phone, SD-MMC memory expansion slot, an
integrated camera, integrated GPS and a removable Li-Polymer battery.
As 3G products, the A920 and A925 comply with all key specifications as defined
by the 3GPP. Key product features are listed below.
•UMTS: WCDMA 2100, GSM 900/1800 and 1900 MHz Tri-band technology
•High speed packet data (64 kbps UL, 384 kbps DL)
•208 x 320 TFT Active Color, 65K color display
•8 MB Flash Memory available to the user (6MB for Chinese version), Expandable
SD-MMC memory card
•Integrated Bluetooth
•MP3 Player
•Enhanced Multimedia Capability (Audio/Video, Games, MMS)
•Unique 5-way Navigation Key
•Touchscreen-based graphical user interface
•Full internet browser (HTML, xHTML,WML, XML)
•Full Personal Information Manager (PIM) with Synchronization (OTA, Desktop)
•Integrated Video/Still Camera and Integrated A-GPS
•Voice Recognition Driven Dialing and Menu Shortcuts
•Voice Note Voice Recorder
•24 Polyphonic MIDI Ringer Sounds
•Programmable (J2ME)
•QuickPrint™ handwriting recognition input
• Integrated Stereo Headset Jack
• E911 Services
Video Camera and Location Solutions
Video Camera Features:
• JPEG Image Capture @ VGA Resolution
• MPEG4 Video Capture @ QCIF Resolution
• Rotateable Lens w/180° Range of Motion (take pictures and video of others or
yourself)
• Streaming Video and Audio
• Sending captured Video Clips and Pictures using MMS, Email.
• Simultaneous Voice/Data – Take a picture or video clip and send while you’re
on the phone
• Video Conferencing (2-Way Video Telephony)
Location (AGPS) Applications:
➧Some of the features listed below may be subject to the following: Network, subscrip-
tion, or service provider dependent. Not available in all areas.

8October 27, 2003 6881042B40-A
Product Overview A920, A925
• Get to specific location, with appropriate choices of destinations and routes and
guidance to destination
• Identify local places of interest for hotels, taxi companies, restaurants,
theatres, sightseeing, shopping
• Receive information through alerts or display on map ahead of traffic
congestion.
• Receive roadside assistance, with rescue service network and location
information from the cellular network used to complement any information the
pedestrian/driver is able to provide.

6881042B40-A October 27, 2003 9
Level 1 and 2 Service Manual Operation
Operation
Controls, Indicators, and Input/Output (I/O) Connectors
The telephone’s controls are located on the front and side of the phone as shown in
Figure 1. Indicators, in the form of icons, are displayed on the LCD.
020855-o
Figure 1. A920 Controls (Front and Right Side View)
Camera Lens
Speakerphon
e
Key
Earpiece Speaker
A/B Gaming
Buttons
Status LED Indicator
Color Display
Voice Key
Headset
Jack
Volume
Up/Down
Key
Send/Phone App Key
Browser
Key
Application Button
End/Power on-off key
5-Way Navigation Key

10 October 27, 2003 6881042B40-A
Operation A920, A925
Color Display
The top section of the color display shows available applications. Figure 3 shows
some of the indicators that you may see at the top of the display when using your
phone.
Messages, phone keypad, and menu options appear in the middle of the display.
The status bar at the bottom of the display shows the current phone status.
Some of the phone functions must be performed from the home screen display (see
Figure 3). The term home screen display refers to the standard display you see when
the phone is on and ready to use, when you are not on a call or using the menu
system.
020859-0
Figure 2. Phone Controls (Rear View)
➧Whether a phone displays all indicators depends on the programming and
services to which the user subscribes.
Stylus
Battery Cover Release
Rear Speaker

6881042B40-A October 27, 2003 11
Level 1 and 2 Service Manual Operation
Status Bar
The status bar at the bottom of the telephone display shows the following
status indicators:
Clock – Shows the current time.
Keyboard Launcher – Tap to display the on-screen keyboard. (The keyboard
displays only when the cursor is in a text-entry field.)
Alert Mode – Shows the currently selected alert mode:
Audio: Vibrate: Silent:
The alert mode indicates how the communicator notifies you of an incoming call or
message.
To change the alert mode, tap this indicator and select the setting you want.
020850-o
Figure 3. Home Screen Display
Keyboard
Launcher
Bluetooth Phone
Clock
Alert
Mode
Location
Mode Message Battery
Strength
Signal
Strength
Network

12 October 27, 2003 6881042B40-A
Operation A920, A925
Bluetooth – Shows the current status of the Bluetooth radio system. The color
indicates the Bluetooth status:
Off: Gray
On: White
Connect: Green
On means Bluetooth is enabled, but not connected to a Bluetooth-capable device.
Connect means the communicator is connected to a Bluetooth-capable device.
To turn Bluetooth on or off, tap this indicator and select the setting you want.
Location Mode – Shows whether the GPS (Global Positioning System) Location
mode is off, idle (in standby), or busy (requesting location information). The color
indicates the Location mode:
Off: Gray Idle: White Busy: Green
To turn the Location mode on or off, tap the indicator and select the setting you
want. Location mode allows you to track your current location on the communicator
screen.
Phone – Shows the status of an active call:
Connected: Muted:
displays when you have a new voice message and no active call.
Message – Shows that you have a new message and what type:
Email: SMS: MMS:
If an MMS or SMS message sender’s phone number is in your Contact list,
the indicator is white. If the message sender’s phone number is not in your
Contact list, the indicator is amber. If multiple types of new messages are available,
displays.
Network – Shows the type of network service connection:
To turn Airplane mode on or off, tap this indicator and select the setting you want.
➧Bluetooth functionality is not implemented in the initial release of this product.
No service
Emergency service
Connected to GSM home network
Connected to GPRS home network
Connected to UMTS home network
Roaming to non-home network
Airplane mode (phone disabled)

6881042B40-A October 27, 2003 13
Level 1 and 2 Service Manual Operation
Signal Strength – Shows the network signal strength. The more bars, the stronger
the network signal.
Battery Strength – Shows the amount of charge in the battery. The more bars,
the greater the charge. The indicator displays in red when the communicator is
consuming a large amount of battery power, such as during a video call.
Status Light
A 3-color LED at the top of the communicator visually indicates network status,
incoming calls, and messages. Table 4 describes the status light indications.
.
User Interface Structure
Menu Navigation
The A920 and A925 telephones use a simplified icon and list-based user interface.
Opening Applications
The communicator has many built-in applications for communications, personal
organization, and entertainment. Every application has an associated icon.
Strong No signal
High
E D C B Empty
Table 4: Status Light
Indication Description
Rapidly flashing green Incoming call, phone number stored in Contacts
Alternating green/red Incoming call, phone number not stored in
Contacts
Rapidly flashing amber Incoming message, address or phone number
stored in Contacts
Alternating amber/red Incoming message, address or phone number
not stored in Contacts
Slowly flashing green
(every 2 seconds)
Connected to home network
Slowly flashing amber
(every 2 seconds)
Roaming (connected to non-home network)
Slowly flashing red
(every 2 seconds)
No service or emergency service
Continuous red (when connected to
battery charger)
Battery charging
Continuous green (when connected
to battery charger)
Battery fully charged

14 October 27, 2003 6881042B40-A
Operation A920, A925
You can open an application in the following ways:
Select one of the icons in the Application Selector bar at the top of the screen. These
shortcuts are always visible on the screen.
Select . The Application Launcher displays, showing icons of all of the
communicator’s applications. Select the application you want to open.
Press D(Shortcut key) to open your favorite application. The default application
is the Home screen.
You don’t have to close applications — just open the next one. Changes or entries
are always automatically saved.
The application icons (see Table 5) open communicator applications:
Alert Settings
Motorola wireless phones incorporate the VibraCall®discreet vibrating alert that
helps avoid disturbing others when a ringing phone is unacceptable.
You can set alerts to ring only, vibrate only, vibrate then ring, or no ring or vibrate.
An icon on the status bar displays the current alert mode setting.
Additionally, the personalization feature allows you to identify incoming calls by a
specific ringer tone.
Table 5: A920 Application Icons
Agenda Messaging Games
Calculator Phone GPS
Connect to PC Time Help
Contacts To Do Application
Installer
Control Panel Voice Notes Palette
Jotter Web Sync to PC
Audio Player Picture Viewer Video Player
Home Screen Camera Virus Scan

6881042B40-A October 27, 2003 15
Level 1 and 2 Service Manual Operation
Battery Function
Battery Charge Indicator
The telephone displays a battery charge indicator icon in the home screen to indicate
the battery charge level. The gauge shows four levels: 100%, 66%, 33%, and Low
Battery.
Battery Removal
Removing the battery causes the phone to immediately shut down and any pending
work (partially entered phone book entries or outgoing messages, for example) is
lost.
Operation
For detailed operating instructions, refer to the appropriate user guide listed in the
Related Publications section.
EExercise care in handling any charged battery, particularly when placing it inside
a pocket, purse, or other container with metal objects. All batteries can cause
property damage and/or bodily injury such as burns if a conductive material such
as jewelry or keys contact exposed terminals. The conductive material may complete
an electrical circuit (short circuit) and become quite hot.
GIf the battery is removed while receiving a message, the message will be lost.
➧To ensure proper memory retention, turn the phone OFF before removing the
battery. Immediately replace the old battery with a fresh battery.

16 October 27, 2003 6881042B40-A
Operation A920, A925