Panasonic EB-GD67 Bedienungsanleitung

Issue 1

Revision 0

Unauthorized copying and distribution is a violation

of law.

Order Number: MMCD020801C8

Digital Cellular Phone

EB-GD67

Talk and standby time will be dependent on network conditions, SIM card, backlight usage

and network condition.

900 MHz 1800 MHz

Frequency Range Tx: 880 - 915MHz Tx: 1710 -1785 MHz

Rx: 925 - 960 MHz Rx: 1805 -1880 MHz

Tx/Rx frequency

separation

45 MHz 95 MHz

RF Channel Bandwidth 200 kHz

Number of RF channels 174 374

Speech coding Full rate/Half rate/Enhanced Full rate

Operating temperature -10 °C to +55 °C

Type Class 4 Handheld Class 1 Handheld

RF Output Power 2 W maximum 1 W maximum

Modulation GMSK (BT = 0.3)

Connection 8 ch / TDMA

Voice digitizing 13 kbps RPE-LTP / 13 kps ACLEP / 5.6 kps CELP / VSLEP

Transmission speed 270.833 kbps

Signal Reception Direct conversion

Antenna Impedance 50 Ω

(External Connector)

Antenna VSWR < 2.1 : 1

Dimensions Height: 109 mm

Width: 45 mm

Depth: 20 mm

Volume 81 cc

Weight 81 g

Display Graphical chip on glass liquid crystal, Alphanumeric,

101 x 80 pixels, 256-colour palette (RGB).

Illumination 8 LEDs for Keypad Backlighting (Green)

1 LED for LCD Backklighting (White)

2 LEDs for Incoming call (Green) and Charging (Red)

Keys 16-key Keypad, Navigation key.

SIM 3 V Plug-in type only

External DC Supply

Voltage

5.8 V

Battery 3.7 V nominal, 690mAh, Li-Ion

Standby Time 60 - 190 hrs

Talk Time 1.5 - 6.5 hrs

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not

contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or

repair the product or products dealt with in this service manual by anyone else could result in serious injury or death.

Issue 1 – ii – MMCD020801C8

Revision 0 Service Manual

COMPANY LIABILITY

Every care has been taken to ensure that the contents of this manual give an accurate representation of the equipment.

However, Matsushita Mobile Communications Development of Europe Ltd. accepts no responsibility for inaccuracies which

may occur and reserves the right to make changes to the specification or design without prior notice.

The information contained in this manual and all rights in any design disclosed therein, are and remain the exclusive property

of Matsushita Mobile Communications Development of Europe Ltd.

Other patents applying to material contained in this publication:

CP8 PATENTS

Comments or correspondence concerning this manual should be addressed to:

Matsushita Mobile Communications Development of Europe Ltd.,

2 Gables Way

Thatcham,

Berkshire.

RG19 4ZB.

ENGLAND

CONTENTS

Page Page

1 INTRODUCTION 1

1.1 Purpose of this Manual 1

1.2 Structure of the Manual 1

1.3 Servicing Responsibilities 1

2 GENERAL DESCRIPTION 2

2.1 General 2

2.2 Features 2

2.3 Telephone Handset Main Kit 2

3 OPERATING INSTRUCTIONS 3

3.1 General 3

3.2 Liquid Crystal Display 3

3.3 Location of Controls 4

3.4 Concept of Operation 5

3.5 Alpha Entry 5

3.6 Features Menu Structure 6

4 TECHNICAL DESCRIPTION 7

4.1 RF Overview 7

4.2 Transmitter 8

4.3 Receiver 9

4.4 Baseband Overview 10

4.5 Power Supplies 14

5 DISASSEMBLY / REASSEMBLY 19

5.1 General 19

5.2 Disassembly 20

5.3 Reassembly 23

6 REPAIR PROCEDURES 24

6.1 Introduction 24

6.2 Lead Free (PbF) solder 24

6.3 External Testing 24

6.4 Test Equipment Setup 27

7 INTERFACES AND TEST POINTS 29

7.1 Interfaces 29

7.2 Test Points 32

8 CALIBRATION PROCEDURES 33

8.1 Introduction 33

8.2 Carrier Power Calibration 33

8.3 RSSI 37

8.4 Battery Calibration 38

9 REPLACEMENT PARTS LIST 40

9.1 Case and Cover Parts 40

9.2 Sub-Assemblies 41

9.3 PCB Variants 42

9.4 PCB Components 42

9.5 Refurbishment Kits 44

9.6 Jigs and Tools 44

9.7 Document Packs 45

10 CIRCUIT DIAGRAMS 47

11 LAYOUT DIAGRAMS 53

INTRODUCTION

MMCD020801C8 Section 1 Issue 1

Service Manual – 1 – Revision 0

1INTRODUCTION

1.1. Purpose of this Manual

This Service Manual contains the information and procedures required for installing, operating and servicing the Panasonic

GSM Personal Cellular Mobile Telephone system operating on GSM Digital Cellular Networks.

1.2. Structure of the Manual

The manual is structured to provide service engineering personnel with the following information and procedures:

1. General and technical information - provides a basic understanding of the equipment, kits and options, together with

detailed information for each of the major component parts.

2. Installation and operating information - provides instructions for unpacking, installing and operating the equipment.

3. Servicing information - provides complete instructions for the testing, disassembly, repair and reassembly of each major

component part. Step-by-step troubleshooting information is given to enable the isolation and identification of a

malfunction, and thus determine what corrective action should be taken. The test information enables verification of the

integrity of the equipment after any remedial action has been carried out.

4. Illustrated parts list - provided to enable the identification of all equipment components, for the ordering of spare /

replacement parts.

1.3. Servicing Responsibilities

The procedures described in this manual must be performed by qualified service engineering personnel, at an authorised

service centre.

The service engineering personnel are responsible for fault diagnosis and repair of all equipment described in this manual.

WARNING

The equipment described in this manual contains polarised capacitors utilising liquid electrolyte. These devices are entirely safe provided

that neither a short-circuit or a reverse polarity connection is made across the capacitor terminals. FAILURE TO OBSERVE THIS

WARNING COULD RESULT IN DAMAGE TO THE EQUIPMENT OR, AT WORST, POSSIBLE INJURY TO PERSONNEL RESULTING

FROM ELECTRIC SHOCK OR THE AFFECTED CAPACITOR EXPLODING. EXTREME CARE MUST BE EXERCISED AT ALL TIMES

WHEN HANDLING THESE DEVICES.

Caution

The equipment described in this manual contains devices sensitive to electrostatic discharge (ESD). Damage can occur to these devices

if the handling procedures described in Section 4 are not adhered to.

Caution

This equipment contains an internal battery in addition to the external battery packs. These batteries are recyclable and should be

disposed of in accordance with local legislation. They must not be incinerated, or disposed of as ordinary rubbish.

Caution

The equipment uses a Printed Circuit Board PCB manufactured using Lead Free (PbF) solder. The procedures described in Section 6

should be adhered to when repairing these items.

GENERAL DESCRIPTION

Issue 1 Section 2 MMCD020801C8

Revision 0 – 2 – Service Manual

2 GENERAL DESCRIPTION

2.1. General

This section provides a general description and kit composition details for the Digital Cellular Phone and optional kits.

2.2. Features

The Panasonic Phone Model GD67 is a high performance, small, light, telephone handset for business and domestic use on

General Packet Radio Service (GPRS) running on GSM networks. The following features are provided:

• Triple Rate, which includes Full Rate, Half rate and Enhanced Full Rate (EFR) speech, codec.

• Dual Band, E-GSM 900 and GSM 1800 operation.

• GPRS-compatible (Class 8).

• 256-colour Liquid Crystal Display.

• Enhanced Message Service (EMS).

• Tegic T9 Text Entry.

• Voice Ringer.

• Wireless Application Protocol (WAP) Browser.

• Backup Battery.

• 16-voice polyphonic ringtones.

• Downloadable polyphonic melody ring tones.

• Clock, Calculator and Currency Converter.

• Changeable Inlay Card for Case Back.

2.3. Telephone Handset Main Kit

Figure 2.1: Telephone Handset Main Unit Kit Contents

ITEM DESCRIPTION PART NUMBER

1 Main Unit EB-GD67

2 Battery, Standard EB-BSD67

3 Travel Charger EB-CAD95

- Inlay Card Template See Section 9

- Document Pack See Section 9.

10595-1

OPERATING INSTRUCTIONS

MMCD020801C8 Section 3 Issue 1

Service Manual – 3 – Revision 0

3 OPERATING INSTRUCTIONS

3.1. General

This section provides a brief guide to the operation and facilities available on the telephone handset. Refer to the Operating

Instructions supplied with the telephone for full operational information.

3.2. Liquid Crystal Display

The telephone handset has a graphical chip on glass display.

Figure 3.1: Liquid Crystal Display

The following icons are available:

Following some operations, the display will clear automatically after three seconds or after pressing any key except .

Indicates GSM signal strength: strong signal area; weak signal area.

Indicates GPRS signal strength: strong signal area; weak signal area.

Indicates that it is possible to make an emergency call.

Number

The number of the feature indicated by the pointer. To access a feature enter the menu number on the keypad.

Displays the battery charge level:

Battery is at full charge

Battery requires charging.

The battery icon scrolls during charging.

Menu Icon Displays a small icon related to the current status of the telephone:

telephone is roaming on a non-home network.

using the “Call Divert” feature or the telephone has Call-Divert set;

shows that vibration alert is switched on;

shows that the telephone is in silent mode.

flashes to indicate that there are unread text (SMS) messages. Lit when SMS area is full;

indicates the telephone is locked;

shows that the normal character set has been selected;

shows that the Greek character set has been selected;

shows that the Extended character set has been selected;

shows that numbers have been selected for text entry

T9 indicates that Tegic T9® predictive text mode is selected.

Information

Icon

Displays a small icon according to the current menu level:

indicates the alarm is set.

indicates the current Phonebook is sourced from the Mobile Phonebook.

indicates the current Phonebook is sourced from the SIM Phonebook.

Indicates that the navigation key ( ) can be pressed. Each arrow will light individually to indicate which direction is valid.

Option Area Pressing the select key ( ) will select the option displayed in the option area of the display.

10580-1

OPERATING INSTRUCTIONS

Issue 1 Section 3 MMCD020801C8

Revision 0 – 4 – Service Manual

3.3. Location of Controls

Incoming / Charge indicator:

Green - Incoming call.

Red - Charging battery pack.

External connector:

Used to connect to external accessories or to charging equipment.

Figure 3.2: Location of Controls

Navigation Key. Scrolls through options or features menu and increases or decreases volume.

Cancel Key. Used mainly to cancel the current operation and return to the previous menu level. In some menus

it has other functions.

Option key. Primarily used for accessing the Phonebook or switching character types.

Send Key. Makes a call.

End Key. Ends a call or switches the telephone on/off when pressed and held.

to Digit keys. Enter wild numbers or pauses when pressed and held. Where appropriate the key scrolls up or

down through abbreviated control names and then select to reveal the international access code “+”.

Vibrate enable/disable Key. Press and hold to enable or disable the vibrate alert.

10594-1

MICROPHONE

EARPHONE /

MICROPHONE SOCKET

EARPIECE

INCOMING CALL /

CHARGE INDICATOR

NAVIGATION KEY

COVER (EXTERNAL

CONNECTOR)



OPERATING INSTRUCTIONS

MMCD020801C8 Section 3 Issue 1

Service Manual – 5 – Revision 0

3.4. Concept of Operation

There is a close relationship between the Select keys, Navigation key and display.

Figure 3.3: Concept of Operation

Pressing up and down ( ) will move the pointer up and down and scroll through more information in the main area of the

display.

Pressing left and right ( ) will scroll through options in both option areas of the display. To choose the required option, press

the corresponding Select Key ( ).

3.5. Alpha Entry

3.5.1 Character Set / Key Assignments

Alpha entry is used to enter alphanumeric characters in to the Phonebook, Short Messages and Greeting Message areas

Each time a key is pressed, it will display the next character. When another key is pressed, or no key is pressed for a short

time, the cursor will move to the next position.

To cycle between Greek characters ( ), extended characters (W), numerals (X) and normal characters (U) press .

Key Character / Operation

T9® Normal Greek Extended Numeric

Alternatives + - + - + - 0+P_

Punctuation “ @ – , . ; : ! ¡ ? ¿ ( ) ‘ & % + – / < > = £ $ ¥ ¤ § 1

abc A B C a b c A Ä Å Æ B C Ç a à b c 2

def D E F d e f D E É F d e è é f 3

ghi G H I g h i G H I g h i ì 4

jkl J K L j k l J K L j k l 5

mno M N O m n o M N Ñ O Ö ø m n ñ o ò ö 6

pqrs P Q R S p q r s P Q R S p q r s ß 7

tuv T U V t u v T U Ü V t u ù ü v 8

wxyz W X Y Z w x y z W X Y Z w x y z 9

Shift / Lock * * * *

Space # # # #

10626-

MAIN

OPTION AREA

SECONDARY

OPTION AREA

SELECT KEY

NAVIGATION

KEY

SELECT KEY



OPERATING INSTRUCTIONS

Issue 1 Section 3 MMCD020801C8

Revision 0 – 6 – Service Manual

3.5.2 Editing Alpha Entry

Pressing will move the cursor up or down one line. Pressing will move the cursor left or right one character. When the

cursor is moved over a character and another key pressed this will insert the new character.

Pressing will delete the character to the left of the cursor.

3.6. Features Menu Structure

Figure 3.4: Features Menu Structure

SIM Phonebook

Mobile Phonebook

10600-1

4. Browser

2. Phonebook Browse

Create

Voice Command

Alert Profile

Group Setting

Review

My Numbers

Voicemail

Hot Key Dial

Call Service

Call Divert

Security

Network

Last Call

All Calls

Caller’s ID

Voice Calls

Fax Calls

Data Calls

Cancel All

Status

Phone Lock

Call Bar

PIN2

Fixed Dial

Barred Dial

New Network

Search Mode

Network List

Last Connection

All Connections

Call Priority

Bar Voice

Bar Fax

Bar Data

Cancel All

Status

Password

* Feature is SIM / Network dependent.

Inbox

Outbox

Create

Chat SMS

Parameters Recipient Group

Auto Delete

Message Centre

6. Messages

Clock Set

Clock Format

Alarm Set

Power On Time

Power Off Time

Games

Voice Memo

Download Melody *

Clock Function

Calculator

Currency

Download Data

Home

Second

Time Set

Summer Time

Time Difference

Summer Time

Auto Adjustment

Display Pattern

Display Format

Auto Adjustment

Home Country

Idle Screen

Colour Themes

Greeting

Animation

Contrast

Backlight Time

1. Personalise

All Tones

Ring Volume

Ring Type

Melody Composer

Voice Ringer

Key Volume

Key Tone Type

Warning Tone

Voice Calls

Fax Calls

Data Calls

Messages

Voicemail

Display Language

Tegic Language

Recording

Playback

Language

Tones

Display Setting

Quiet Mode

Media Folders

Auto Answer

DTMF Length

Defaults

3. Games Game 1

Game 2

Settings

Start Browser

Browser Setting

< Server 1 >

< Server 2 >

7.Phone Option Calls

Connections

Automatic

Manual

8. Scheduler

Linger Time

Server Setting

5. Key Guard

9. Applications

GSM

GPRS

TECHNICAL DESCRIPTION

MMCD020801C8 Section 4 Issue 1

Service Manual – 7 – Revision 0

4 TECHNICAL DESCRIPTION

4.1. RF Overview

4.1.1 General Specifications

The telephone is a Dual Band product incorporating two switchable transceivers, one for the E-GSM 900 band and another for

the GSM 1800 (DCS 1800) band. The transmit and receive bands for the mobile are given in the table below:

Other notable technical features are as follows:

4.1.2 Main PCB Description

All RF components are located on one side of the top half area of the PCB, with the baseband components (Logic circuits)

occupying the lower half of the PCB. The RF circuit area is shielded by two metal screens and the Logic circuits area by one

screen.

The LCD Module and keypad are mounted on the reverse side of the PCB.

Tx Rx

E-GSM 900 880-915 MHz 925-960 MHz

GSM 1800 1710-1785 MHz 1805-1880 MHz

E-GSM 900 GSM 1800

Rx Bandwidth 35 MHz 75 MHz

Tx Bandwidth 35 MHz 75 MHz

Duplex Spacing 45 MHz 95 MHz

Number of Channels 174 374

AFRCN (Channel Numbers) 0-124 512-885

975 - 1023

1st Tx Channel 880.2 MHz 1710.2 MHz

(Ch 975) (Ch 512)

Last Tx Channel 914.8 MHz 1784.8 MHz

(Ch 124) (Ch 885)

1st Rx Channel 925.2 MHz 1805.2 MHz

(Ch 975) (Ch 512)

Last Rx Channel 959.8 MHz 1879.8 MHz

(Ch 124) (Ch 885)

Maximum Tx Power 33.0 dBm 30.0 dBm

(Class 4) (PL5) (Class 1) (PL0)

Minimum Tx Power 5.0 dBm 0.0 dBm

(PL19) (PL15)

TECHNICAL DESCRIPTION

Issue 1 Section 4 MMCD020801C8

Revision 0 – 8 – Service Manual

4.2. Transmitter

4.2.1 Functional Description

Figure 4.1: Transmitter Block Diagram

The transmitter design is based on an IQ Modulator and operates at Class 4 (2W) in the GSM 900 band and at Class 1 (1W)

in the GSM 1800 band. The architecture has been carefully chosen to limit GSM transmitter noise in the receiver band without

the requirement for a duplexer.

A dual band transceiver IC (U200) provides the following transmitter functions:

I, Q Quadrature modulator

Down conversion mixer for modulated signal to intermediate frequency.

Phase detector for PLL modulation loop.

The modulator output is fed into dual band buffer amplifier U205 which ensures temperature stability and AM suppression. A

three port EGSM SAW filter FL201 filters EGSM 900 output to provide extra filtering against transmitter noise in the receiver

band. The selected transmitter band (EGSM 900 or GSM 1800) output signal from U205 is then attenuated and applied to its

dedicated input of the dual band Power Amplifier (PA) U203.

Filtering of the transmitter harmonics, most of which are from the PA, is provided by couplers E100 (EGSM 900) and E101

(GSM 1800). The output from the couplers is applied to the antenna switch S201 which provides a connection path to the RF

test point CN201 and the internal antenna.

The coupled outputs are combined at the input of U202, an Automatic Power Control (APC) IC, to control the gain and output

power of the PA. An RF detector in U202 produces a baseband output which is compared with a control signal from the logic

section to produce a control signal for the PA.

ATTENUATOR

U205

BUFFER AMP

÷2

÷4

SAW

FILTER

FL201

APC

U202

E100

E101

S201

SWITCH

MODULE

RF TP /

SWITCH

ANTENNA

U200

VCO

DUAL BAND

TRANSCEIVER (PART)

EGSM 900

GSM 1800

EGSM 900

GSM 1800

10577-1

U203

DUAL BAND

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