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Introduction 8 - 6

RAE-5 System HW / UI Troubleshooting 8 - 6

Tools needed for troubleshooting: 8 - 6

General guidelines 8 - 6

System HW / UI Troubleshooting Cases 8 - 8

Nominal Current Consumption 8 - 9

1 System HW / UI Troubleshooting Cases 8-10

1.1 Dead Device 8-10

1.2 Keypad problems 8-11

1.3 PDA backlight problems 8-13

2 KL8/KL9 System HW related 8-14

2.1 Flash programming troubleshooting 8-14

2.1.1 Flashing does not start 8-14

2.1.2 Flash memory fault indicated 8-15

2.1.3 Flash VPP Error 8-16

2.1.4 Flash Erasing /Programming Error 8-17

2.2 General Power Checking 8-18

2.3 Device does not stay ON 8-20

2.4 Charging checking 8-21

2.5 Backup Battery 8-23

2.5.1 Backup battery troubleshooting 8-23

2.6 Accessory Power Output Troubleshooting 8-25

2.6.1 No Accessory Voltage when needed 8-26

2.6.2 Accessory Voltage ON all the time 8-27

2.7.1 Clocks Troubleshooting 8-28

2.8 KL8/KL9Memory Tests 8-30

2.8.2 Test in PTS/WinTesla flashing 8-31

2.9 Memory Troubleshooting 8-32

2.9.1 Memory fails In Boot Up tests, CMT Backlight is blinking 8-32

2.9.2 CMT display backlight blinking 2 times in a loop 8-33

2.9.3 CMT display backlight blinking 3 times in a loop 8-34

2.9.4 CMT display backlight blinking 5 times in a loop 8-37

2.9.5 Memory fails in PTS/WinTesla flashing 8-38

2.9.6 DiskOnChip id read test fails 8-40

2.10 Serial Interface Troubleshooting 8-41

2.11 CONTACT SERVICE in CMT display 8-44

2.12 CCONT Serial interface Troubleshooting 8-46

2.13.1 SIM Card Error Troubleshooting 8-48

2.13.2 SIM Card Rejected 8-49

2.13.3 Insert SIM card 8-51

2.14 Memory Card 8-53

2.14.1 Memory Card Interface Troubleshooting 8-53

2.14.2 Memory card switch troubleshooting: 8-55

2.15 Lid Switch 8-56

8. Troubleshooting Technical Documentation

2.15.1 Lid Switch Troubleshooting 8-56

2.16 Battery Removal Switch troubleshooting 8-58

2.17 COBBA Control Interface troubleshooting 8-60

2.18 COBBA PCM Interface Troubleshooting 8-62

2.19 Audio troubleshooting 8-65

2.19.1 Both Mic and Earpiece/PHF faulty 8-65

2.19.2 Mic faulty 8-67

2.19.3 Earpiece faulty 8-68

2.19.4 PHF Speaker faulty 8-69

2.19.5 Headset out of order 8-71

2.20 RF Interface 8-73

2.20.1 Phone doesn't register to the network or doesn't make a call 8-73

2.21 IR Interface Troubleshooting diagram 8-74

2.22 KL8 related Keyboard problems 8-75

2.23 KL8 related PDA UI problems 8-79

2.24 KL8 related CMT UI problems 8-84

3 DL2 UI Troubleshooting 8-86

3.1 CMT and keypad illumination problems 8-86

3.2 CMT LCD Troubleshooting 8-86

3.3 No picture on PDA LCD or picture is faulty 8-87

3.4 Backlight troubleshooting 8-100

3.5 DL2 related keyboard problems 8 - 105

4 UL 8 FLEX related 8-106

4.1 Audio troubleshooting 8 - 106

4.2 Display problem 8 - 107

4.3 Battery Removal Switch problem 8 - 108

4.4 UL8 related keyboard problems 8 - 108

5 RF related troubleshooting 8 - 109

Introduction to RF troubleshooting 8 - 109

RF Key Component Placement 8 - 110

5.1 EGSM Receiver 8-111

General Instructions for troubleshooting for EGSM RX . . 8 - 111

5.1.1 Troubleshooting diagram for EGSM Receiver 8 — 112

General Instructions for troubleshooting for PCN RX . . . . 8 - 115

General troubleshooting instructions for EGSM TX 8 - 119

5.3.2 Troubleshooting diagram for EGSM Transmitter 8 — 120

General troubleshooting instructions for PCN TX 8 - 122

5.4.1 Path of the transmitted PCN signal 8 — 122

5.4.2 Troubleshooting diagram for PCN Transmitter 8 — 123

General troubleshooting instructions for Synthesizer . . . . 8 - 125

Technical Documentation 8. Troubleshooting

5.5.1 26 MHz reference oscillator ( VCTCXO ) 8-125

5.5.3 Troubleshooting diagram for PLL Synthesizer 8 — 126

8. Troubleshooting Technical Documentation

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