Motorola A840, A860 Service Manual

Level 2 Service Manual

A840, A860

Digital Wireless Telephone

CDMA 800/1900 MHz; GSM 900/1800 MHz

2
Contents

Level 2 Service Manual Contents

A840
6809485A78-O

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Regulatory Agency Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Computer Program Copyrights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

About this Service Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Warranty Service Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Controls, Indicators, and Input/Output (I/O) Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Battery Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

MSM6300 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

PM6050 Device Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

RFR6000 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

RFL6000 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Tools and Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Removing the Battery Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Removing and Replacing the RUIM (Removable User Information Memory) . . . . . . . . . . . . . . . . . . 30

Removing and Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Removing and Replacing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Removing and Replacing the Keypad Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Removing and Replacing the Speaker Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Removing and Replacing the Keyboard Stiffener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Removing and Replacing the Flip Assembly and Transceiver Board . . . . . . . . . . . . . . . . . . . . . . . . . 36

Removing and Replacing the Flip Display Lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Removing and Replacing the Flip Assembly Sleeve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Removing and Replacing the Flip Knuckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Removing the Display Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Removing the Display Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Removing and Replacing the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Removing the Motor/Vibrator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Phone Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Personality Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Programming: Software Upgrade and Flexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Exploded View Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Exploded View Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6809485A78-O June 07, 2004 3

Contents A840

4 June 07, 2004 6809485A78-O

2

A840

Level 2 Service Manual Introduction

6809485A78-O

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
authorized independent service firms.

Available on a contract basis, Motorola Inc. offers comprehensive maintenance and
installation programs that 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 the housing. 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.

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

• 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
Interference-Causing Equipment Regulations (ICES-003).

Cet appareil numérique de la classe B respecte toutes les exigences du Règlement
sur le matériel brouilleur du Canada.

6809485A78-O June 09, 2004 5

Introduction A840

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. Refer questions about this manual to the
nearest Customer Service Manager.

Audience

This service manual aids service personnel in testing and repairing A840
telephones. Service personnel should be familiar with electronic assembly, testing,
and troubleshooting methods, and with the operation and use of associated test
equipment.

Use of this manual assures proper installation, operation, and maintenance of
Motorola products and equipment. It contains all service information required for
the equipment described and is current as of the printing date.

Scope

This manual provides basic information relating to A840 telephones, and also to
provides procedures and processes for repairing the units at Level 1 and 2 service
centers including:

•Unit swap out

• 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

6 June 09, 2004 6809485A78-O

Level 2 Service Manual Introduction

Conventions

The following special characters and typefaces are used in this manual to emphasize
certain types of information.

➧

G
E

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.

H

Note: Emphasizes additional information pertinent to the subject
matter.

Caution: Emphasizes information about actions that may result in
equipment damage.

Warning: Emphasizes information about actions that may result in
personal injury.

Keys to be pressed are represented graphically. For example, instead of “Press
the Menu Key”, you will see “Press H”.

Information from a screen is shown in text as similar as possible to what

displays on the screen. For example, ALERTS or ALERTS or ALERTS.

Information that you need to type is printed in boldface type.

Out-of-Box Failure Policy

The standard out of box failure criteria applies. Customer units 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 will bear the costs of early life
failure.

Product Support

Customer’s original units 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). The Motorola
High Technology 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 is available through the local Motorola Support
Center.

6809485A78-O June 09, 2004 7

Introduction A840

Parts Replacement

When ordering replacement parts or equipment, include the Motorola part number
and description used in the service manual or supplement.

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)

Order replacement parts, test equipment, and manuals from AAD.

U.S.A. Outside U.S.A.

Phone: [phone] Phone: [phone]

FAX: [phone] FAX: [phone]

In EMEA call [phone].

In Asia call [phone].

8 June 09, 2004 6809485A78-O

Level 2 Service Manual Specifications

Specifications

General Function Specification

Frequency Range 1900 MHz PCS 1931.250 -1988.750 MHz Rx

Frequency Range 800 MHz CDMA 869.04 - 893.97 Rx

Frequency Range GSM 900

Frequency Range DCS 1800

Channel Spacing 50 kHz PCS

Channels (CDMA) 1200 PCS CDMA

Channels (GSM) 174 EGSM, 374 PCS, carriers with 8 channels

Modulation 1M25D1W (1.25 MHz bandwidth) CDMA

Transmitter Phase Accuracy 5 Degrees RMS, 20 Degrees peak
Duplex Spacing 80 MHz PCS

Frequency Stability ± 300 Hz (CDMA)

Power Supply 3.6V Li Ion 750 mAh battery
Average Transmit Current 310 mA at +13 dBm)
Average Stand-by Current 3.40 mA
Dimensions

(with 750 mAh Li ion battery)
Size (Volume) 88 cc (5.37 in.
Weight <100g (3.84 oz) with battery
Temperature Range -30° C to +60° C (-22° F to +140° F)
Humidity 80% Relative Humidity at 50° C (122° F)
Battery Life, 750 mAh Li Ion Battery Up to 180 minutes digital talk time (IS 95 A/B)

1851.250 -1908.750 MHz Tx

824.04 - 848.97 Tx
880-915 MHz Tx (with EGSM)

925-960 MHZ Rx
1710-1785 MHz Tx

1805-1880 MHz Rx

30 kHz CDMA/AMPS

832 CDMA

per carrier

3G1XRTT (1.25 MHz bandwidth) CDMA-1X
F3 +12 kHz for 100% at 1 kHz AMPS

45 MHz AMPS

+

2.5 ppm (AMPS)

94mmX49mmX23mm

3.7 in. x 1.9 in. x 0.9 in.

Up to 90 minutes talk time (Analog)
Up to 250 hours (IS 95 A/B) standby time
Up to 350 hours (IS 2000) standby time
Up to 15 hours standby time (Analog)

All talk and standby times are approximate and
depend on network configuration, signal strength,
and features selected.

3

) without antenna

Transmitter Function Specification

RF Power Output

Input/Output Impedance 50 ohms (nominal)
Transmit Audio Response 6 dBm/octave pre-emphasis
Modulation 1M25DIW (1.25 MHz bandwidth) CDMA
CDMA Transmit Waveform Quality

(Rho)

6809485A78-O June 09, 2004 9

0.20 watts -23 dBm into 50 ohms (CDMA
nominal)
.6 watts -27.0 dBm into 50 ohms (AMPS
nominal)

0.94

Specifications A840

Receiver Function Specification

Receive Sensitivity

Audio Distortion

Adjacent and Alternate Channel
Desensitization

IM (AMPS) Greater than 65 dB

-116 dBm (AMPS, SINAD, C-MSG weighted)
Sinad 12dB or greater

-104 dBm (CDMA, 0.5% Static FER) 0.5% or less
Less than 5% at 1004 Hz, +/- 8 kHz peak

frequency deviation (transmit and receive)
3% BER max at 107 dBm signal; -94 dBm/30 kHz,

-65 dBm/60 kHz

10 June 09, 2004 6809485A78-O

Level 2 Service Manual Product Overview

Product Overview

Motorola A840 mobile telephones feature Code Division Multiple Access (CDMA)
technology. The mobile telephone uses a simplified icon and Graphical user
interface (GUI) for easier operation, allow Short Message Service (SMS) text
messaging, and include clock, alarm, datebook, calculator, and caller profiling
personal management tools. The A840 also has a built in camera. The phone
provides 32 Embedded ring tones including VibraCall vibrating alert and 32
Downloadable/Customizable iMelody ring tones. The A840 is a dual band, quad
mode phone that allow user roaming with a single handset between the 800/1900
MHz CDMA bands and the 900/1800 MHz GSM bands.

Manual switching between CDMA and GSM and GSM and CDMA is supported by
a soft button and icons to indicate mode of operation.

The A840 telephone consists of a main housing assembly and a flip assembly. The
phone has the main circuit board, battery, headset jack, and accessory connector in
the main housing assembly. The display and camera are located in the hinged flip
assembly.

The flip assembly contains the entire hinge mechanism. It is attached to the main
housing by four screws. The main display is on the inside of the flip assembly and
a LED display on the outside of the flip assembly. The main display is a 176 x 220
pixels, 262K color TFT LCD. The external display is a 96x64 pixel, 4K-color CSTN.
The camera is a 350K pixel, VGA CMOS Sensor Camera.

Features

The main housing assembly includes a battery cover, chassis, main circuit board,
keypad and plastic front housing.

The main circuit board contains the Receiver, Transmitter, Synthesizer and Control
Logic Circuitry which together comprise the dual band tri-mode phone electronics.

The telephones are made of polycarbonate plastic with a metal enclosure. The
display and speaker, as well as the 18-key keypad, transceiver printed-circuit board
(PCB), microphone, charger and headphone connectors, and power button are
contained within the flip form-factor housing. The 750 mAh Lithium Ion (Li Ion)
battery provides up to 178 minutes of talk time in CDMA mode with up to 264 hours
of standby time

A840 telephones use advanced, self-contained, sealed, custom integrated circuits to
perform the complex functions required for CDMA communication. Aside from the
space and weight advantage, microcircuits enhance basic reliability, simplify
maintenance, and provide a wide variety of operational functions.

Features available in this family of telephones include:

• 1.3 M-pixel Camera with Integrated Flash

• Multi-Media Messaging (MMS)

• Video clips capture & playback

• Self Portrait Viewfinder External Display

• 64 Polyphonic, 18mm Office Quality Speaker Phone, Stereo Headset Support

• Integrated MP3 Player, MP3 and MIDI Ringers

•

1

.

1. All talk and standby times are approximate and depend on network configuration, signal strength, and features selected. Standby
times are quoted as a range from DRX=2 to DRX=9. Talk times are quoted as a range from DTX off to DTX on.

6809485A78-O June 09, 2004 11

Product Overview A840

• Picture Caller ID on External & Internal Display

• Digital Camera Features: Photo Album, Slide Show Viewer, 4X Digital Zoom,
Auto timer, Shutter Tones, Adjustable Resolution, Adjustable Lighting Condi­tions, Exposure Settings, 4 Image Styles.

• Digital Camcorder Features: Adjustable video length for up to 3 minutes,
Recording sound on/off option, Flash light, Adjustable video quality, Adjustable
lighting conditions and exposure settings,

• SD compatible T-Flash Memory Expansion Slot

• Connectivity via Bluetooth™ and CE bus

• Speaker Independent Digit and Name Dialing

• 5-way Navigation, Simultaneous button press for BREW Gaming

• PIM functionality, PC Sync with optional Mobile Phone Tools Software, Predic­tive Text (iTAP), 500 Multi-fielded Phonebook Entries

• High speed data support (CDMA1X and GPRS).

•TTY compliant

• Hearing Aid Telephone Interconnection System (HATIS) support

• AFLT/aGPS location services

2

Simplified Text Entry

iTAP™ predictive text entry. Press a key to generate a character and a dynamic
dictionary uses this to build and display a set o f word or name options. The iTAP™
feature may not be available in all languages.

2. Network, subscription or service provider dependent feature. Not available in all areas.

12 June 09, 2004 6809485A78-O

Level 2 Service Manual General Operation

General Operation

Controls, Indicators, and Input/Output (I/O) Connectors

The A840 telephones’ controls are on the front and side of the device, and on the
keyboard as shown in Figure 1. Other hardware features are shown in Figure 2.

Left Soft Key

Perform

functions

identified by left

display prompt.

Camera Key

Send Key

Make &

answer calls,
view recently

dialed calls list.

Volume Keys

Adjust earpiece
& ringer volume.

Smart Key

Select menu

items, make &

end calls, set

ring styles.

5-Way
Navigation Key

Scroll through menus
& lists, set feature
values. From home
screen, press K key
in center to access
U-Max. In menus,
press K to select
highlighted item.

Accessory Port

Figure 1. Controls and Indicators Locations

Right Soft Key

Perform
functions
identified by right
display prompt.

CLR Key

Voice
Recognition Key

Press once to
activate speaker­independent
voice recognition.
Press & hold to
record voice
records, contacts,
& shortcut names.

Power/End Key

Turn phone
on/off, end
phone calls, exit
menus.

032407o

6809485A78-O June 09, 2004 13

General Operation A840

Headset Jack

Camera Lens

Take photos to send
to others & use
on your phone.

Integrated Short­ Range Flash

Projected when
taking flash photos.

Camera Key

External
Display

Figure 2. Hardware Features Locations

Menu Navigation

A840 telephones have a simple icon based GUI. The phone also features a
user-definable Quick Access menu accessed by holding down the Menu key.
A 5-way navigation key allows you to move easily through menus.

Color Display

The A840 phone features a 176 x 220 pixel, 262K color display. The display provides
constant graphical representations of battery capacity and signal strength, as well
as the real-time clock.

Display animation makes the phone’s icon menu move smoothly as the user scrolls
up and down.

Whether a phone displays all indicators depends on the programming and services

➧

to which the user subscribes.

040183o

14 June 09, 2004 6809485A78-O

Level 2 Service Manual General Operation

Figure 2 shows some common icons displayed on the LCD.

5.

4.

Roam

3.

Signal
Strength

2.

Coverage

1. Bluetooth
Connection

(Oà\rÑuy É

Service Provider
10/15/04

032419o

RECENT PH.BOOK

6:35am

Message

Battery

6.

Level

7.

Ring Alert

8.

AGPS
Service

9.

Location

(Oà\r ÑuyÉ

Service Provider

Date

10/15/04

032418o

Battery Function

Clock

Left Soft Key

Label

RECENT PH.BOOK

6:35am

Right Soft Key
Label

032237o

Figure 3. A840 Display Icon Indicators

Alert Settings

In addition to preset ring tones, A840 telephones allow the user to download
additional ring tones. (Availability is carrier and Network dependant).

Motorola A840 phones incorporate the VibraCall

®

discreet vibrating alert that

avoids disturbing others when a ringing phone is unacceptable.

Alerts can be set to ring only, vibrate only, vibrate then ring, or no ring or vibrate.

Additionally, the profiling feature allows users to identify incoming calls by a
specific ringer tone.

Battery Charge Indicator

The telephone displays a battery charge indicator icon in the idle screen to indicate
the battery charge level. The gauge shows four levels: 100%, 66%, 33%, and Low
Battery.

6809485A78-O June 09, 2004 15

General Operation A840

Battery Removal

Removing the battery causes the device to shut down immediately and loose any
pending work (partially entered phone book entries or outgoing messages, for

E

example).

All batteries can cause property damage and/or bodily injury such as burns if a
conductive material such as jewelry, keys, or beaded chains touch exposed terminals.
The conductive material may complete an electrical circuit (short circuit) and
become quite hot. Exercise care in handling any charged battery, particularly when
placing it inside a pocket, purse, or other container with metal objects.

Operation

G

➧

If the battery is removed while receiving a message, the message is lost.

To ensure proper memory retention, turn the phone OFF before removing the
battery. Immediately replace the old battery with a fresh battery.

For detailed operating instructions, refer to the appropriate User Guide listed in
the Related Publications section toward the end of this manual.

16 June 09, 2004 6809485A78-O

2

A840

Level 2 Service Manual Theory of Operation

6809485A78-O

Theory of Operation

MSM6300 System Overview

QCT’s MSM6300 solution, part of QCT’s MSM6xxx Mobile Station Modem (MSM™)
family of chipsets and system. The 6300-series chipset supports cellular-cdma2000,
PCS-cdma2000, gpsone position location, EGSM-900, and DCS-1800 handset oper­ation with direct conversions from RF to baseband using RadioOne Zero-IF archi­tecture. It is optimized to support voice and multimedia data applications while
enabling CDMA2000 1X and GSM GPRS network benefits. The MSM6300 solution
provides a seamless migration path from 2G to 3G services and applications, and
increases voice capacity for CDMA2000 1X networks. It will also enable CDMA
developers to quickly develop 3G CDMA2000 1X handsets that exceed the specifi­cations of mobile stations for worldwide cdmaOne™ and 3G 1xMC systems, includ­ing those based on IS-95A/B,IS-2000 and 3GPP 51.010 standards.

The MSM6300 chipset solution consists of the MSM6300 Baseband processor, direct
conversion RFL6000TM and RFR6000TM receive devices, RTR6300TM RF trans­ceiver IC, PM6050TM power management device and a compatible power amplifier
device. These devices perform all of the signal processing and power management
in the subscriber unit.

The MSM6300 chipset and system software features radioOne direct conversion
architecture and incorporates a low-power, high-performance RISC microprocessor
core featuring the ARM926EJ-S™ CPU and Jazelle™ accelerator circuit for ad­vanced Java applications from ARM® Limited. The MSM6100 solution integrates
two, low-power, high-performance QDSP4000™ digital signal processor (DSP)
cores. Use of the ARM926EJ-S™ CPU and QDSP4000 DSP eliminates the need for
the multimedia companion processor(s) normally required for video-based applica­tions, playing MP3 music files and MIDI synthesizer/CMX functions.

The MSM6300 chipset and system software incorporates the advanced feature set
of QCT’s Wireless Internet Launchpad™ suite of technologies, integrated MPEG-4
video decoding/encoding, MP3 audio decoding, a 2D/3D graphics accelerator for
advanced gaming applications, a Compact Media Extension (CMX™)/MIDI synthe­sizer, a digital camera interface, an enhanced LCD interface, and JPEG encoding/
decoding.

The MSM6300 solution supports QUALCOMM’s gpsOne™ position location tech­nology, including standalone mode in which the handset can act as a GPS receiver.
The gpsOne solution, featuring SnapTrack™ technology, offers robust data avail­ability under the most challenging conditions, whether in concrete-and-steel high­rises, convention centers, shopping malls, or urban canyons. Using a hybrid
approach that utilizes signals from both the GPS satellite constellation and from
CDMA cell sites, the gpsOne solution enhances location services availability,
accelerates the location determination process and provides better accuracy for
callers, whether during emergency situations or while using GPS-enabled commer­cial applications. The MSM6300 solution also supports the Wireless Internet
Launchpad’s VectorOne™ compass capability.

The MSM6300 chipset reduces radio bill-of-materials (BOM) by the introduction of
RadioOne RF devices System BOM is further reduced by supporting interfaces to
next generation memories architectures such as; NAND FLASH, Pseudo SRAM
(PSRAM), Page and Burst mode NOR FLASH and low power SDRAM (LP-SDRAM).

QCT provides a complete software suite, Dual-Mode Subscriber (DMSS) software,
for building handsets around the MSM6300 chipset. DMSS software is designed

6809485A78-O June 07, 2004 17

Theory of Operation A840

to run on a Subscriber Unit Reference (SURF) phone platform, an optional devel­opment platform optimized to assist in evaluating, testing and debugging DMSS
software.

The MSM6300 device is offered in a 341-ball, 0.5mm pitch Chip Scale Package (CSP)
production package. Additionally, the MSM6300 solution supports QUALCOMM’s
Binary Run-time Environment for Wireless™ (BREW™) applications development
platform.

The MSM6300 device interfaces directly with QCT’s new radioOne RF ASICs.
radioOne is a revolutionary technology for CDMA transceivers that uses Zero
Intermediate Frequency (ZIF), or direct conversion, architecture for the wireless
handset market. This direct conversion eliminates the need for large IF Surface
Acoustic Wave (SAW) filters and additional IF circuitry, which significantly reduces
the handset BOM parts count, facilitating multiband and multimode handsets that
can be produced in smaller form factors. radioOne technology also incorporates the
frequency synthesis and passive elements used in converting Baseband signals to
and from RF. A single external dualband local oscillator is used for the CDMA and
GSM receiver, which will provide the capabilities needed to operate on systems
around the world and will simplify the procurement of parts and the cost of
designing CDMA/GSM handsets.

Figure 4. Motorola MSM6300 System Block Diagram

18 June 07, 2004

Level 2 Service Manual Theory of Operation

PM6050 Device Description

The PM6050 device (Figure 2) integrates all wireless handset power management,
general housekeeping, and user interface support functions into a single mixed
signal IC. Its versatile design is suitable for CDMA and non-CDMA handsets, as
well as other wireless products such as PC cards, modems, PDAs, etc. The power
management portion accepts power from all the most common sources – battery,
external charger, adapter, coin cell back-up – and generates all the regulated
voltages needed to power the appropriate handset electronics. It monitors and
controls the power sources, detecting which sources are applied, verifying that they
are within acceptable operational limits, and coordinates battery and coin cell
recharging while maintaining the handset electronics supply voltages. Eight
programmable output voltages are generated using low dropout voltage regulators,
all derived from a common trimmed voltage reference.

The device’s general housekeeping functions include a 10-bit ADC whose input is
selected by a 10-position analog multiplexer having five internal and five external
connections. The internal connections are used to monitor voltage sources, charging
status, and current flow. The five external connections are available to monitor
system parameters such as temperature, RF output power, and battery ID. Various
oscillator, clock, and counter circuits are provided to initialize and maintain valid
pulse waveforms and measure time intervals for higher-level handset functions. A
dedicated controller manages the TCXO warm-up and signal buffering, and key
parameters (under-voltage lockout and crystal oscillator signal presence) are mon­itored to protect against detrimental conditions. Handset-level user interfaces are
also supported. The IC includes four backlight or LED drivers with brightness
(current) control that could be used for the keypad, the LCD, and two user definable
general-purpose drivers. Independent vibrator and ringer/buzzer drivers alert
handset users of incoming calls; these independent drivers can be used simulta­neously for dual-function applications. A speaker driver with volume control
supports speakerphone and melody-ringer applications. The speaker and ringer/
buzzer drivers share common PM6050 circuitry, so only one can be used at a time.

An MSM device controls and statuses the PM6050 IC using a three-line Serial Bus
Interface (SBI) supplemented by an Interrupt Manager for time-critical informa­tion. Another dedicated IC interface circuit monitors multiple trigger events and
controls the power-on sequence. The PM6050 is a mixed signal BiCMOS device and
is available in the 56-pad Bump Chip Carrier (56 BCCP) package that includes a
large center slug for electrical ground and thermal relief. Since the PM6050 IC
includes so many diverse functions, its operation is more easily understood by
considering major functional blocks individually. Therefore, the PM6050 document
set is organized according to the following device functionality:

• Input Power Management

• Output Voltage Regulation

• General Housekeeping

• User Interfaces

•IC Interfaces

Most of the information contained in this Device Specification is organized accord­ingly – including the circuit groupings within the block diagram (Figure 1-1) and
detailed electrical specifications (Section 4). To begin, introductory descriptions of
all the PM6050 device’s circuits are provided in the following subsections.

June 0 7 , 2004 19

Theory of Operation A840

Figure 5. PM6050 Block Diagram

20 June 07, 2004

Level 2 Service Manual Theory of Operation

RTR00 Overview

The RTR6300 is a RF transceiver IC, an integral component of QUALCOMM’s 6300­series chipset. All 6300-series ICs are highly integrated and fulfill specific func­tions; functional requirements are partitioned between the ICs to yield complete,
optimal multi-band, multi-mode transceiver implementations. Overall transceiver
performance depends on the combined, complementary performance of all the ICs
in the chipset. The RTR6300 IC supports multi-band, multi-mode phones with two
receiver signal paths and four transmitter signal paths.

Receiver paths:

• EGSM-900

•DCS-1800

GSM Transmitter paths:

• EGSM-900 ( using OPLL techniques)

• DCS-1800 ( using OPLL techniques)

CDMA Transmitter paths ( cdma2000, also known as 1x cdma, cdma 1x, or simply
1x):

• Cellular bands

•PCS bands

Figure 6. RTR6300 Functional Block Diagram

Numerous secondary functions are integrated on-chip as well:

June 0 7 , 2004 21

Theory of Operation A840

Phase-locked loop circuits:

• PLL#1 and an on-chip VCO supports cdma2000 TX modes

•PLL#2

Supports EGSM RX & TX, DCS RX &TX, and CDMA2000 RX modes using an
external VCO

Supports gpsone using the RFR6000 on-chip VCO

Transceiver LO generation and distribution circuits

• EGSM-900 RX and TX

• DCS-1800 TX and RX

• Cellular-TX

•PCS- TX

Analog support functions

• Reference signal of the MSM transmit DACs

• Transmit gain control

• Bias control

• Digital Interfaces

• 3 –line serial bus interface ( SBI)

• Dedicated RF_ON ( TX_ON) control line

The device is fabricated using an advanced SiGe BiCMOS process that accommo­dates high-frequency, high-precision analog circuits as well as low-power CMOS
functions. Designed to operate with 2.7 to 3.0 Volt power supplies, it is compatible
with single-cell Li-Ion batteries.

RTR6300 is available in a small, thermally efficient package (48 BCCP)

RFR6000 Overview

The RFR6000 is an RF-to-Baseband receiver IC, an integral component of QUAL­COMM’s radioOne

TM

Zero-IF chipset. All radioOne ICs are highly integrated and
fulfill specific functions; functional requirements are partitioned between the ICs
to yield complete, optimal transceiver implementations. Overall radioOne perfor­mance depends on the combined, complementary performance of all the ICs in the
chipset.

The RFR6000 IC provides the zero-IF receiver signal path, from RF to analog
Baseband, for multi-band, multi-mode handsets including combinations of the
following:

Bands:

• Cellular bands

•PCS bands

• GPS band

Modes:

•AMPS-FM

• CDMA (known as IS-95, cdmaOne, IS-98, cdma2000, 1x EV-DO)

•gpsOne TM

22 June 07, 2004

Level 2 Service Manual Theory of Operation

Figure 7. RFR6000 Block Diagram

Numerous secondary functions are integrated on-chip as well: the Rx LO generation
and distribution circuits; the GPS VCO circuit; and various interface, control, and
status circuits. The RFR6000 Zero-IF architecture and highly integrated imple­mentation greatly reduces handset PCB size and material costs compared to earlier­generation RFICs. Major RFR6000 functional blocks are described in this chapter’s
subsections.

The RFR6000 IC accepts as many as three inputs from the handset RF front-end
design (PCS, Cellular, and GPS). The analog Baseband outputs interface with one
of QUALCOMM’s Mobile Station Modem (MSM6XXX) devices that also provide
status and control signaling. Power reduction features controlled by the MSM (such
as selective circuit power-down, gain control, and bias control) extend handset
standby time. Integrated Rx LO circuits, ideally supplemented by the RFT6100
transmitter IC, provide frequency plan flexibility and further reduce PCB parts
count.

The device is fabricated using an advanced SiGe BiCMOS process that accommo­dates high-frequency, high-precision analog circuits as well as low-power CMOS
functions and is designed to operate with 2.7 to 3.0 volt power supplies. Although
the MSM operates at lower voltages, compatibility is assured and latch-up is
prevented by RFR6000 input and output buffers when its VDDM (pin 23) is
connected to the MSM pad voltage.

The RFR6000 IC is available in the 40-pin bump chip carrier (40 BCCP) package
that includes a large center ground slug for improved RF grounding, mechanical
strength, and thermal continuity.

RFL6000 Overview

The RFL6000 is a dual LNA IC, an integral component of QUALCOMM’s radioOne
Zero-IF chipset. All radioOne ICs are highly integrated and fulfill specific functions;
functional requirements are partitioned between the ICs to yield complete, optimal
transceiver implementations. Overall radioOne performance depends on the com­bined, complementary performance of all the ICs in the chipset

June 0 7 , 2004 23

Theory of Operation A840

The RFL6000 IC includes two LNA circuits, one optimized for the Cellular band
and one for PCS. The LNAs are separated from all other receive functions contained
within the RFR6000 receiver IC to improve mixer LO to RF isolation – a critical
parameter in the Zero-IF architecture. Isolation is further improved using high
reverse isolation circuits in the LNA designs.

Figure 8. RFL6000 Block Diagram

The RFL6000 is a multi-band multi-mode IC:

Bands:

• Cellular bands

•PCS bands

Modes:

•AMPS-FM

• CDMA (known as IS-95, cdmaOne, IS-98, cdma2000, 1xEVDO)

The two LNAs are dedicated to different frequency bands; the CLNA supports
Cellular bands while the PLNA supports PCS bands. The PLNA gain is always
controlled via the Serial Bus Interface (SBI) with three valid settings: Max, Mid,
and Low. Three CLNA gain states are also controlled via the SBI for CDMA signal
reception, but only two gain states are available for FM operation (Max and Low).
When operating in the Cellular-FM mode, the CLNA gain is controlled by a
dedicated MSM signal applied to pin 6 (FM_STEP) rather than the SBI.

The IC operating mode and LNA bias currents are automatically adjusted via
software to minimize DC power consumption. The IC is placed in Sleep, Rx, and
Rx/Tx modes depending upon the handset’s status, with LNA bias current also
adjusted to meet RF performance requirements with minimal power dissipation
when active.

The device is fabricated using a SiGe BiCMOS process ideally suited for high­performance RF circuits and digital I/O functions. All analog/RF functions operate
off a common supply voltage (VDDA), with the digital I/O circuits operating off a
separate supply (VDDM). VDDM is connected to the MSM_PAD voltage to assure
compatibility across the digital interface and prevent latch-up conditions.

The RFL6000 IC is packaged in a very small 16-pin bump chip carrier (16 BCCP)
that includes a center slug for soldering directly to PCB ground. This provides
excellent RF grounding, mechanical strength, and a solid thermal path.

24 June 07, 2004

2

Level 2 Service Manual Tools and Test Equipment

A840

6809485A78-O

Tools and Test Equipment

The following table lists tools and test equipment recommended for disassembly
and reassembly of A840 telephones. Use either the listed items or equivalents.

Table 1. General Test Equipment and Tools

Motorola Part Number

RSX4043-A Torque Driver Used to remove and replace screws

1

Description Application

—

See Table 7 Rapid Charger

0180386A82

6680388B67

6680388B01 Tweezers, plastic Used during assembly/disassembly

— Digital Multimeter, HP34401A

6688054N01 Flip disassembly tool Used to disassembly the flip assembly

1. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) at [phone] or
FAX [phone]; Internationally, AAD can be reached by calling [phone] or by fax [phone].

2. Not available from Motorola. To order, contact Hewlett Packard at [phone].

Torque Driver Bit T-6 Plus, Apex 440-6IP
Torx Plus or equivalent

Antistatic Mat Kit (includes 66-80387A95
antistatic mat, 66-80334B36 ground
cord, and 42-80385A59 wrist band)

Disassembly tool, plastic with flat and
pointed ends (manual opening tool)

2

Used with torque driver

Used to charge battery and power
phone

Provides protection from damage to
device caused by electrostatic discharge
(ESD)

Used during assembly/disassembly of
phone

Used to measure battery voltage

6809485A78-O June 07, 2004 27

Disassembly A840

Disassembly

The procedures in this section provide instructions for the disassembly of a A840
telephone. Tools and equipment used for the phone are listed in Table 1, preceding.

Many of the integrated devices used in this phone are vulnerable to damage from

G
G

electrostatic discharge (ESD). Ensure adequate static protection is in place when
handling, shipping, and servicing the internal components of this equipment.

Avoid stressing the plastic in any way to avoid damage to either the plastic or
internal components.

28 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

h

Removing the Battery Cover

1. Ensure the phone is turned off.

2. Slide the battery cover latch as shown in Figure 9.

3. Gently lift the top end of the battery cover away from the phone.

4. Lift the battery cover away from the phone.

Battery Cover Latc

1

3

Figure 9. Removing the Battery Cover

5. To replace, align the battery cover to the phone.

6. Slide the bottom end of the battery cover into the phone.

7. Lower the top end of the battery cover onto the phone until battery cover latch
snaps into place.

2

040546o

6809485A78-O June 07, 2004 29

Disassembly A840

Removing and Replacing the RUIM (Removable User Information Memory)

1. Remove the battery cover as described in the procedures.

2. Turn the battery cover over and unlock the RUIM latch as shown in Figure 9.

3. Lift the RUIM out of the battery door.

040548o

Figure 10. Removing the RUIM

4. To replace, place the RUIM into position in the batttey door. Observe the
notched corner when inserting the RUIM.

5. Slide the RUM latch over the RUIM to secure it.

6. Turn the batter cover over.

7. Replace the battery cover as described in the procedures.

30 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing and Replacing the Battery

All batteries can cause property damage and/or bodily injury such as burns if a
conductive material such as jewelry, keys, or beaded chains touch exposed terminals.

E

The conductive material may complete an electrical circuit (short circuit) and
become quite hot. Exercise care in handling any charged battery, particularly when
placing it inside a pocket, purse, or other container with metal objects.

1. Ensure the phone is turned off.

2. Remove the battery cover as described in the procedures.

3. Lift the top of the battery near the antenna out of the battery compartment as
shown in Figure 11.

4. Lift the battery out of the phone.

1

2

040547o

Figure 11. Removing the Battery

5. To replace, align the battery with the battery compartment so the contacts on
the battery match the battery contacts in the phone.

6. Insert the battery, printed arrow first, into the battery compartment and push
down.

7. Insert the ridge at the bottom of the housing into the base of the phone, then
push the battery down and snap it into place.

6809485A78-O June 07, 2004 31

Disassembly A840

Removing and Replacing the Antenna

1. Remove the battery cover, and battery as described in the proceures.

2. By hand, rotate the antenna base counterclockwise, as indicated by the red
arrows until loose.

3. When the antenna threads are completely disengaged, slide the antenna out
of the housing. See Figure 12.

1

2

G

040545o

Figure 12. Removing the Antenna

Ensure antenna threads are properly engaged before tightening to prevent damage
to the antenna or housing.

4. To replace, insert the threaded end of the antenna carefully into the housing
and, after ensuring the threads are properly engaged, rotate clockwise. Tighten
firmly by hand.

5. Replace the battery, and battery cover as desicribed in the procedures.

32 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing and Replacing the Keypad Bezel

1. Remove the battery cover, battery, and antenna, as described in the
procedures.

2. Turn the phone over and carefully insert the disassembly tool under the keypad
bezel and gently bend the bezel outward from the rear housing to release the
2 snaps on the side of the housing (See Figure 13).

2 snap locations

each side

Figure 13. Removing the Keypad Bezel

3. Repeat step 2 for the other side of phone.

4. When all four snaps have been released, carefully lift the keypad bezel away
from the phone.

5. To replace, align the keypad bezel with the phone housing.

6. Carefully press the keypad bezel into the phone housing until the snaps engage.

7. Replace the antenna, battery, and battery cover as described in the procedures.

keypad bezel

040346o

6809485A78-O June 07, 2004 33

Disassembly A840

Removing and Replacing the Speaker Cover

1. Remove the battery cover, battery, antenna, and keypad bezel as described in
the procedures.

2. Insert the disassembly tool under the outer edges of the speaker cover to release
the latches on each side.

3. Slide the speaker cover toward the antenna to remove.

speaker cover

Figure 14. Removing the Speaker Cover

4. To replace, slide the speaker cover onto the phone.

5. Gently press down on the sides of the speaker cover to engage the latches.

6. Replace the keypad bezel, antenna, battery, and battery cover as described in
the procedures.

34 June 07, 2004 6809485A78-O

disassembly tool

040347o

Level 2 Service Manual Disassembly

Removing and Replacing the Keyboard Stiffener

1. Remove the battery cover, battery, antenna, keypad bezel, and speaker cover
as described in the procedures.

2. Remove the two screws at the bottom of the phone near the polyphonic speaker
(See Figure 15)..

screw location

032216o

Figure 15. Removing the rear housing bottom screws

3. Lift the bottom end of the keyboard stiffener toward the flip knuckles.

4. Use the disassembly tool to disconnect the keypad flex connector (See Figure

16).

Keyboard Stiffener

Figure 16. Removing the Keyboard Flex Connector

6809485A78-O June 07, 2004 35

Keyboard Flex Connector

032216o

Disassembly A840

5. Lift the keyboard stiffener away from the phone.

6. To replace, align the keyboard stiffener to the transceiver board.

7. Connect the keyboard flex connector to its socket on the transceiver board.

8. Lower the keyboard stiffener onto the transceiver board.

9. Insert and tighten two screws near the polyphonic speaker assembly.

10. Replace the speaker cover, keypad bezel, antenna, battery, and battery cover
as described in the procedures.

Removing and Replacing the Flip Assembly and Transceiver Board

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover, and
keyboard stiffener as described in the procedures.

2. Use the disassembly tool to disconnect the flip assembly flex connector. (See
Figure 17).

Flip Flex

Connector

disassembly tool

Figure 17. Removing the Flip Assembly Flex Connector

032216o

36 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

3. Use the T6 driver to remove the two flip assembly screws. Set the screws aside
for reuse (See Figure 18).

G

flip assembly

screw locations

032216o

Figure 18. Removing the Flip Assembly Screws

4. Carefully separate the flip assembly from the transceiver board and rear
housing assembly.

This product contains static-sensitive devices. Use anti-static handling procedures
to prevent electrostatic discharge (ESD) and component damage.

6809485A78-O June 07, 2004 37

Disassembly A840

5. Turn the transceiver board and rear assembly over and lift the transceiver
board away from the rear housing..

transceiver board

032216o

Figure 19. Removing the Transceiver Board

6. To replace, align the transceiver board to the rear housing assembly and lower
it into place on the rear housing.

7. With the flip assembly knuckles in the "flip open" position, align the flip
assembly flex connector to the transceiver board.

8. Connect the flip assembly flex connector to its socket on the transceiver board.

9. Align the flip assembly screw bosses to the screw holes on the transceiver
board.

10. Hold the assembly together and insert the flip assembly screws into the rear
housing assembly and tighten to 1.25 inch-pounds.

11. Replace the keyboard stiffener, speaker cover, keypad bezel, antenna, battery,
and battery cover as described in the procedures.

38 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing and Replacing the Flip Display Lens

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, flip assembly, and transceiver board as described in the
procedures.

2. Insert a small knife blade into the seam between the main lens and the flip
sleeve edge and pry up the main lens edge (see Figure 20).

flip display lens

knife blade

flip assembly

040370o

Figure 20. Removing the Flip Display Lens

3. Insert the flat end of the disassembly tool into the gap created by the knife
blade and separate the display lens from the flip assembly.

4. To replace, align the display lens to the flip assembly. Expose the display lens
adhesive. Carefully press the display lens into position on the flip assembly.

5. Replace the transceiver board and flip assembly, keypad stiffener, speaker
cover, keypad bezel, antenna, battery, and battery cover as described in the
procedures.

6809485A78-O June 07, 2004 39

Disassembly A840

Removing and Replacing the Flip Assembly Sleeve

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, flip assembly, transceiver board, and flip display lens as
described in the procedures.

2. Grasp the flip assembly and pull firmly as indicated by the red arrows to
remove the flip assembly sleeve (See Figure 21).

flip assembly

Figure 21. Removing the Flip Assembly Sleeve.

3. To replace, insert the flip assembly into the flip assembly sleeve and push
firmly until the flip assembly is fully inserted into the flip assembly sleeve.

4. Replace the flip display lens, transceiver board, flip assembly, keyboard
stiffener, speaker cover, keypad bezel, antenna, battery, and battery cover as
described in the procedures.

flip assembly sleeve

040369o

40 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing and Replacing the Flip Knuckle

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, flip assembly, transceiver board, flip display lens, and flip
assembly sleeve as described in the procedures.

The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when

G

handling.

2. Remove the knuckle by removing the hinge assembly side followed by the side
where the flex is routed.

3. Carefully slide the display flex through the knuckle. Avoid damage to the
display flex (see Figure 22).

Figure 22. Removing the Knuckle.

6809485A78-O June 07, 2004 41

040371o

Disassembly A840

Removing the Display Bezel

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, flip assembly, transceiver board, flip display lens, flip
assembly, flip assembly sleeve, and flip knuckle as described in the procedures.

The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when

G

handling.

2. Use the metal tweezers to release the five latches in the sequence shown (see
Figure 23).

tch

4

bezel latch

3

display bezel

5

2

Figure 23. Removing the Display Bezel

3. To replace, align the connector with it’s socket on the transceiver board.

4. Gently press the flex connector into position onto the flex connector socket.

5. Lower the display bezel over the display module. Gently and firmly press the
latches into position. Ensure all the latches are engaged.

6. Replace the flip knuckle, flip assembly sleeve, flip assembly, flip display lens,
transceiver board, flip assembly, keyboard stiffener, speaker cover, keypad
bezel, antenna, battery, and battery cover as described in the procedures.

bezel latch

1

032218o

42 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing the Display Module

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, flip assembly, transceiver board, flip display lens, flip
assembly, flip assembly sleeve, flip knuckle, and display module as described
in the procedures.

2. Use the disassembly tool to disconnect the flex connector from the display
module assembly (see Figure 24).

3. Carefully, lift the display module up and away from the remainder of the flip
assembly.

032233o

Figure 24. Removing the Display Module

4. To replace, seat the display module back into the flip assembly.

5. Carefully re-connect the flex connector.

6. Replace the display bezel, flip knuckle, flip assembly sleeve, flip assembly, flip
display lens, transceiver board, flip assembly, keyboard stiffener, speaker
cover, keypad bezel, antenna, battery, and battery cover as described in the
procedures.

6809485A78-O June 07, 2004 43

Disassembly A840

Removing and Replacing the Keypad

1. Remove the antenna, battery cover, battery, rear housing assembly, flex
connector, and transceiver board assembly as described in the procedures.

2. Use the plastic tweezers to lift the keypad from the front housing as shown in
Figure 25.

032220o

Figure 25. Removing the Keypad

3. To replace, insert the keypad into the front housing, ensuring the keys align
properly with the openings in the front housing.

4. Replace the transceiver board, rear housing assembly, antenna, battery, and
battery housing as described in the procedures.

44 June 07, 2004 6809485A78-O

Level 2 Service Manual Disassembly

Removing the Motor/Vibrator Assembly

1. Remove the battery cover, battery, antenna, keypad bezel, speaker cover,
keyboard stiffener, keypad flex, flip flex connector, transceiver board, flip
assembly, flip display lens, flip sleeve, flip display bezel, display module
assembly as described in the procedures.

2. Use the flat edge of the disassembly tool to remove the motor/vibrator assembly
from the flip housing (see Figure 26).

motor/vibrator assembly

Figure 26. Removing the Motor/Vibrator Assembly

3.

032232o

6809485A78-O June 07, 2004 45

Disassembly A840

46 June 07, 2004 6809485A78-O

Level 2 Service Manual Phone Identification

N
(

Week, year, day
& shift, line, cell,
side of
manufacture

Phone Identification

Personality Transfer

A personality transfer is required when a phone is express exchanged or when the
main board is replaced. Personality transfers reproduce the customer's original
personalized details such as menu and stored memory such as phone books, or even
just program a unit with basic user information such as language selection.

Identification

Each Motorola CDMA phone is labeled with a variety of identifying numbers.
Figure 27 describes the current identifying labels.

Mfg by

MOTOROLA INC. FCC ID: IHDT5UV1 EE 3

Transceiver
model

Radio serial no. :
ESN, yr, month of
mfg, warr. code
(Code 39)
D414AF0E8AA

Radio SN: ESN+
year, month of
mfg, warranty

code

Factory
designation

CANADA: 109 182 230A; TYPE:UVKA
832/2412 CHANNEL OPERATION

SWF3001A H7 25821A2 VY

N: D414AF0EYAA A56 G6 #

APC Code

Figure 27. CDMA Telephone Identification Label

Type approval
information

AMPS

info. (analog)

Transceiver model

code 39)

Board
tracking ID
G6VYY

020463o

6809485A78-O June 07, 2004 47

Troubleshooting A840

Troubleshooting

Table 2. Level 1 and 2 Troubleshooting Chart

Symptom Probable Cause Verification and Remedy

Measure battery voltage across a 50 ohm (>1

1. Telephone will not turn on or stay on.

2. Telephone exhibits poor reception or
erratic operation such as calls frequently
dropping or weak or distorted audio.

3. Display is erratic, or provides partial or
no display.

4. Incoming call alert transducer audio
distorted or volume is too low.

5. Telephone transmit audio is weak.
(usually indicated by called parties
complaining of difficulty in hearing voice).

a) Battery either discharged or
defective.

b) Battery connectors open or
misaligned.

c) Transceiver board defective.

d) keyboard assembly failure.

a) Antenna assembly defective.

b) Transceiver board defective.

a) Connections to or from
transceiver board defective.

b) Flip assembly defective.

c) Transceiver board assembly
defective.

Faulty transceiver board assembly.

a) Microphone connections to the
transceiver board assembly
defective.

Watt) load. If the battery voltage is <3.25 Vdc,
recharge the battery using the appropriate battery
charger. If the battery will not recharge, replace the
battery. If battery is not at fault, proceed to b.

Visually inspect the battery connectors on both the
battery and the telephone. Realign and, if
necessary, either replace the battery or refer to a
Level 3 Service Center for the battery connector
replacement. If battery connectors are not at fault,
proceed to c.

Remove the transceiver board. Substitute a known
good transceiver board and temporarily
reassemble the unit. Press the PWR button; if unit
turns on and stays on, disconnect the dc power
source and reassemble the telephone with the
new transceiver board. Verify that the fault has
been cleared. If the fault has not been cleared then
proceed to d.

Replace the keyboard assembly. Temporarily
connect a +3.6 Vdc supply to the battery
connectors. Depress the PWR button. If unit turns
on and stays on, disconnect the dc power source
and reassemble with the new keyboard assembly.

Check to make sure that the antenna pin is
properly connected to the transceiver board
assembly. If connected properly, substitute a
known good antenna. If the fault is still present,
proceed to b.

Replace the transceiver board (refer to 1c). Verify
that the fault has been cleared and reassemble the
unit with the new transceiver board.

Check general condition of flex and flex connector.
If the flex and connector are good, check that the
flex connector is fully connected. If not, check
connector to transceiver board connections. If
faulty connector, replace the transceiver board. If
connector is not at fault, proceed to b.

Temporarily replace the flip assembly with a known
good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault not
cleared, proceed to c.

Replace the transceiver board (refer to 1c). Verify
that the fault has been cleared and reassemble the
unit with the new transceiver board.

Replace the transceiver board (refer to 1c). Verify
that the fault has been cleared and reassemble the
unit with the new transceiver board.

Gain access to the microphone as described in the
procedures. Check connections. If connector is
faulty proceed to c; if the connector is not at fault,
proceed to b.

48 June 07, 2004 6809485A78-O

Level 2 Service Manual Troubleshooting

Table 2. Level 1 and 2 Troubleshooting Chart (Continued)

Symptom Probable Cause Verification and Remedy

Gain access to microphone. Disconnect and
substitute a known good microphone. Place a

b) Microphone defective.

c) Transceiver board assembly
defective.

6. Receive audio from earpiece speaker is
weak or distorted.

7. Phone does not sense when flip is
opened or closed (usually indicated by
inability to answer incoming calls by
opening the flip, or inability to make
outgoing calls).

8. Vibrator feature not functioning.

9. Internal Charger not working.

11. No or weak audio when using headset. a) Headset not fully pushed home.

a) Connections to or from
transceiver board assembly
defective.

b) Flip assembly defective.

c) Antenna assembly defective.

d) Transceiver board assembly
defective.

a) Flip assembly defective.

b) Transceiver board assembly
defective.

Transceiver board assembly
defective.

Faulty charger circuit on
transceiver board assembly.

b) Faulty jack socket on transceiver
board assembly.

call and verify improvement in transmit signal as
heard by called party. If good, reassemble with
new microphone. If microphone is not at fault,
reinstall original microphone and proceed to c.

Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver board
assembly.

Gain access to the transceiver board assembly as
described in the procedures. Check flex and the
flex connector from the flip assembly to the
transceiver board assembly. If flex is at fault,
replace flip assembly. If flex connector is at fault,
proceed to d. If connection is not at fault, proceed
to b.

Temporarily replace the flip assembly with a known
good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault not
cleared, proceed to c.

Check to make sure the antenna is installed
correctly. If the antenna is installed correctly,
substitute a known good antenna assembly. If this
does not clear the fault, reinstall the original
antenna assembly and proceed to d.

Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble with the new transceiver board
assembly.

Temporarily replace the flip assembly with a known
good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault not
cleared, proceed to b.

Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver board
assembly.

Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver board
assembly.

Test a selection of batteries in the rear pocket of
the desktop charger. Check LED display for the
charging indications. If these are charging
properly, then the internal charger is at fault.
Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver board
assembly.

Ensure the headset plug is fully seated in the jack
socket. If fault not cleared, proceed to b.

Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver board
assembly.

6809485A78-O June 07, 2004 49

Troubleshooting A840

Programming: Software Upgrade and Flexing

Contact your local technical support engineer for information about equipment and
procedures for flashing and flexing.

Related Publications

Motorola A840 CDMA User Guide, English/Spanish 6809482A51 (SJJN6405A)

50 June 07, 2004 6809485A78-O

Level 2 Service Manual Troubleshooting

Exploded View Diagram

1

9

12

15

17

2

3

4

5

6

7
8

10
11

13

14

16

18

Figure 28. Exploded View

6809485A78-O June 07, 2004 51

25

21
23

19

20

22

24

26

27

Troubleshooting A840

Exploded View Parts List

Table 3. Exploded View Parts List

Item

Number

1 1389819N03 camera bezel

2 6189691N02 CLI lens

3 7589314N02 flip stop grommet

4 1589315N04 knuckles

5 1589875N04 Barrel cover

6 0789724N01 Magnesium frame

7 5587736N01 Hinge assembly

8 3289412N02 CLI display gasket

9 1589700N04 Flip sleeve assembly

10 8489850N02 Camera assy

11 5989943N01 Vibrator motor assy

12 7289424N01 Display module

13 6189690N05 Main lens

14 8489450N02 Hinge flex

15 8490009N01 Speaker assy

16 3289413N04 Main display gasket

17 0789918N02 Display bezel

18 5402393T02 Label

19 1589331N02 Keypad bezel assy

20 0187521Y03 keyboard assembly

21 transceiver PC Board Assy

22 0789414N02 Rear endo assy

23 8587488Y01 Antenna

24 0389469N02 Screw, stiffener

25 0387791L01 Screw, knuckle

26 1589318N03 Speaker cover

27

28

Motorola Part

Number

SNN5695A
SNN5615

1589333N04

Description

battery 720 mAh
battery 1140 mAh

battery cover

There is a danger of explosion if the Lithium Ion battery pack is replaced incorrectly.
Replace only with the same type of battery or equivalent as recommended by the

E

battery manufacturer. Dispose of used batteries according to the manufacturer’s
instructions.

52 June 07, 2004 6809485A78-O

Level 2 Service Manual Troubleshooting

Accessories

Table 4. Accessories

Description Part Number

Power Solutions

Battery Slim LiIon (720mAh) TBD
Battery High Performance (1440mAh) SNN5615A
Travel Charger Linear U.S. SPN4992
Travel Charger Mid Rate U.S. New ID SPN5037
Travel Charger Rapid U.S. (non-leakage) SPN5049

In-Vehicle Solutions

Bluetooth Car Kit S9642
Self Install HF Retractable (Razorbill) SYN0613
Professional Install Car Kit (Junction Box Only) S9950
HUC for PCC TBD
Low Tier VPA Mid rate
VPA Verizon Exclusive Rapid SYN9901
Vehicle Power Adapter, New ID Rapid SYN0707

Audio & Connectivity

Paladin Bluetooth Headset SYN9826A
Caller ID Bluetooth Headset TBD
Quadrant Bluetooth Speaker TBD
Qwerty Bluetooth Keyboard TBD
Platform Stereo Headset TBD
FM Stereo Headset SYN8609
Retractable Headset (new customizable) SYN9050
One Touch Headset (new customizable) SYN9351
Mono Headset Black SYN8390B
Mono Headset Silver AAYN4264A
Mono Headset (new customizable) SYN9350
Over the Ear Headset SYN8908
Neck Loop headset SYN7875
T-Flash Card 16 meg SYN0940
T-Flash Card 32 Meg SYN0941
T-Flash Card 64 meg SYN0942
T-Flash card 128 meg SYN0943
T-Flash Card (32 Meg) and T-Flash to SD Adaptor in Jewel Case SYN0941A
T-Flash to SD adaptor SYN0893A
USB 2.0 Card Reader SYN1045A
Mobile Phone Tools Phase II - USB S9752B
Mobile Phone Tools Phase II - CD ROM SVN4776B

Consumer Personalization

Carry Cases TBD
Lanyard SYN9490A
Holster TBD
Belt Clip SYN8763

6809485A78-O June 07, 2004 53

Troubleshooting A840

54 June 07, 2004 6809485A78-O

2
Index

Level 2 Service Manual Index

A840
6809485A78-O

A

alert settings 15
antenna, removing and replacing

32

B

battery

charge indicator
function
removing

battery cover, removing and replacing

15

15

31

29

C

Canadian Interference-Causing Equipment regulations 5
copyrights

computer software

6

D

disassembly 28
display bezel

removing

display module, removing and replacing

42

43

E

exploded view diagram 51
exploded view parts list

52

F

FCC rules 5
features

text entry

Flip Assembly and Transceiver Board, removing and

flip assembly sleeve, removing and replacing
flip display lens, removing and replacing
flip knuckle, removing and replacing

12

replacing

36

40

39

41

I

identification 47

product

Introduction

5

5

K

keyboard stiffener, removing and replacing 35
keypad

removing

keypad bezel

44

removing

keypad, removing and replacing

33

44

M

menu structure 15
motor/vibrator Assembly, removing and replacing

N

names

product

5

O

operation 13

alert settings
battery
controls, indicators, and I/O connectors
icons

15

menu navigation
menu structure

overview, product

15

15

13

14

15

11

P

parts

exploded view diagram
exploded view parts list

product

identification
names

product overview

features

publications, related

5

5

11

11

50

51

52

R

regulatory agency compliance 5
related publications
removing

antenna
battery
battery cover
display bezel
display module
Flip Assembly and Transceiver Board
flip assembly sleeve
flip display lens
flip knuckle
keyboard stiffener
keypad
keypad bezel

32

16, 31

44

50

29
42

43

36

40

39

41

35

33

45

6809485A78-O June 04, 2004 Index-1

Index A840

motor/vibrator 45
speaker cover

replacement parts

ordering

replacing

antenna
battery
battery cover
display bezel
display module
Flip Assembly and Transceiver Board
flip assembly sleeve
flip display lens
flip knuckle
keyboard stiffener
keypad
keypad bezel
motor/vibrator assembly
speaker cover

31

44

34

8

32

29
42

43

36

40

39

41

35

33

45

34

S

service manual

about

6

audience
conventions
scope

service policy

customer support
out of box failure
product support

shut down

upon battery removal

SIM card

personality transfer
speaker cover, removing and replacing
specifications
support

customer

product

6

7

6

7

7

7

7

16

47

9

7

7

T

text entry 12
tools and test equipment

27

34

W

warranty service 7

Index-2 June 04, 2004 6809485A78-O

MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc.

® Reg. U.S. Pat. & Tm. Off.

© 2004 Motorola, Inc.

All rights reserved.

Personal Communications Sector,

Sawgrass International Concourse

789 International Parkway

Sunrise, FL 33325-6220

@6809485A75@

6809485A78-O