Panasonic EB-GD30 User Manual download pdf (Page 40)

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TEST AND MEASUREMENT

Issue 1 Section 6 MCUK991001C8

Revision 0 – 34 – Service Manual

c. PC

Channel box software loaded and the screen indicating as shown:

Figure 6.9: PC Screen (SCRN10)

3. Press ENTER on the PC keyboard.

4. Switch on the +12V supply.

5. At the PC press F10.

6. At the Interface box switch the power to ON.

7. Steps 5 and 6 above must be carried out within 1 second or power ON will time-out.

NOTE: The display will read:

GET STATION

ADDRESS = _ _

INFO = _ _

The back light will be illuminated and all LEDs will be lit.

Go to section 7.4 (Channel Box Test Commands) for further testing information.

Power On in Normal Mode

1. Connect together the test equipment.

Figure 6.10: External test equipment setup

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 89 90

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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Panasonic EB-GD30 User Manual Page 40

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