Panasonic EB-GD30 manuals

Panasonic EB-GD30 User Manual (90 pages)

Brand: Panasonic | Category: Mobile phones | Size: 2.79 MB |

English

Table of contents

Service Manual

1

WARNINGS AND CAUTIONS

3

Issue 1 – iv – MCUK991001C8

4

Revision 0 Service Manual

4

CONTENTS

5

Issue 1 Section MCUK991001C8

6

1 INTRODUCTION

7

INTRODUCTION

8

2 GENERAL DESCRIPTION

9

GENERAL DESCRIPTION

10

3 OPERATING INSTRUCTIONS

11

3.3 Location of Controls

12

3.4 Concept of Operation

13

3.5 Alpha Entry

13

3.7 Hot Key Dial Source List

14

3.8 Features Menu Structure

14

3.9.3 Security

15

3.9.4 Call Hold

15

3.9.5 Call Waiting

15

3.9.2 Presentation of IMEI

15

Teleservice

16

Bearer Service

16

3.9.8 Call Divert

16

3.9.9 Call Bar

17

3.10Troubleshooting

18

3.11Important Error Messages

18

3.12Security Codes

19

3.13SIM Personalisation

19

3.13.5 Enabling Procedure

20

OPERATING INSTRUCTIONS

21

3.16Glossary of Terms

24

4.1 General

25

4.2 Disassembly

26

4.2.4 Case-Mounted Components

28

4.3 Reassembly

29

5 TECHNICAL SPECIFICATIONS

31

GSM 1800

32

5.1.7 Residual Peak Power

32

5.2 Rx Characteristics

33

GSM 1800 Half rate speech

34

Blocking:

34

6 TEST AND MEASUREMENT

35

TEST AND MEASUREMENT

36

6.3 Complete Unit Test Setup

38

IMPORTANT NOTE

39

Power On into Test Mode

39

Power On in Normal Mode

40

6.4 Channel Box Test Commands

42

6.5 Adjustment Mode

43

6.5.1 Ramping Gain

44

6.5.2 RSSI

48

6.5.3 I and Q Values

51

I, Q ch Offsets

51

Ich check

52

I Dec Calibration

54

I Inc Calibration

54

Qch Check

54

Q Dec Calibration

54

Q Inc Calibration

55

I, Qch Gain

55

IQch Gain Calibration

56

6.5.4 Simple Receiver Test

56

6.5.5 Simple Transmitter Test

56

Preliminaries

57

Voltage Calibration

57

Temperature Calibration

57

Charging Calibration

58

6.6 Lock Code

59

7 CIRCUIT DIAGRAMS

61

CIRCUIT DIAGRAMS

62

7.3 Main PCB: RF Overview

63

7.4 Main PCB: PSU

64

7.5 Main PCB: Processor

65

7.6 Main PCB: Audio

66

N/F = NOT FITTED

68

7.10Keypad PCB

70

8 LAYOUT DIAGRAMS

71

8.2 Keypad PCB

72

9 REPLACEMENT PARTS LIST

73

9.1.2 GD50 Case Parts

74

9.2.1 Main PCB: Variants

76

9.2.2 Main PCB: Common Items

76

REPLACEMENT PARTS LIST

77

9.2.5 Keypad PCB

85

9.3 Refurbishment Kits

86

9.4 Repair Jigs and Tools

86

9.5 Printed Material

87

Printed in UK

90

UK991002000PJ

90

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