LG CU575 Telefon komórkowy
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Model:
CU575
Data:
2007
Kategoria:
Grupa:
Opis:
Typ ręczny:
Instrukcja serwisowa
Strony:
179
Rozmiar:
4.94 Mbytes (5178339 Bytes)
Język:
english
Rewizja:
1.0
Ręczny ID:
Data:
2007 08 01
Jakość:
Dokument elektroniczny, bez skanowania, bardzo dobrze czytelne.
Data przesłania:
2020 01 15
MD5:
23c7a90de45a9de9c0eab5e886b2a16d
Pobrane:
254
Informacja
1. INTRODUCTION ... 5
1.1 Purpose ... 5
1.2 Regulatory Information ... 5
2. PERFORMANCE ... 7
2.1 System Specification ... 7
2.2 Using Condition (Accessory) ... 7
2.3 Radio Performance ... 8
2.4 Current Consumption ... 11
2.5 Operation Time ... 11
2.6 RSSI Bar ... 11
2.7 Battery Bar ... 12
2.8 BACKUP BATTERY : Over 50 hours ... 12
2.9 Sound Level ... 12
3. RF TECHNICAL BRIEF ... 13
3.1 MSM6260 ( Block Diagram) ... 13
3.2 RF Block Diagram ... 14
3.3 Memory ... 15
3.4 Camera & LCD Interface ... 16
3.5 Interface USB,UART,SIM,JTAG ... 17
3.6 Peripheral ... 18
3.7 Audio Block Diagram ... 19
3.8 Digital Baseband(DBB/MSM6260) ... 20
3.9 Subsystem(MSM6260) ... 23
3.10 Power Block ... 30
3.11 External memory interface ... 35
3.12 H/W Sub System ... 36
3.13 Main Features ... 53
4. TROUBLE SHOOTING ... 57
4.1 RF Component ... 57
4.2 Checking VCXO Block ... 61
4.3 Checking Ant. SW Module Block ... 63
4.4 Checking UMTS Block ... 66
4.5 Checking GSM Block ... 73
4.6 Power ON Troubleshooting ... 79
4.7 Charger Troubleshooting
(TA Charging) ... 81
4.8 Charger Troubleshooting
(USB Charging) ... 84
4.9 USB Troubleshooting ... 87
4.10 SIM Detect Troubleshooting ... 89
4.11 Camera Troubleshooting ... 91
4.12 Keypad Backlight Troubleshooting ... 92
4.13 Folder ON/OFF Troubleshooting ... 93
4.14 Main LCD Troubleshooting ... 94
4.15 Receiver Path ... 95
4.16 Headset path ... 97
4.17 Speaker Phone path ... 99
4.18 Main microphone ... 101
4.19 Headset microphone ... 103
5. DOWNLOAD ... 105
5.1 Introduction ... 105
5.2 Downloading Procedure ... 105
5.3 Troubleshooting Download Errors ... 119
5.4 Caution ... 126
6. BLOCK DIAGRAM ... 127
6.1 CU575 Block Diagram ... 127
7. Circuit Diagram ... 129
8. BGA ... 139
9. PCB LAYOUT ... 143
10. Calibration & RF Auto Test
Program ... 147
9.1 Configuration of HOT KIMCHI ... 147
9.2 How to use HOT KIMCHI ... 151
9.3 Example for using HOT KIMCHI ... 152
11. EXPLODED VIEW &
REPLACEMENT PART LIST ... 155
11.1 EXPLODED VIEW ... 155
11.2 Replacement Parts
<Mechanic component> ... 157
<Main component> ... 160
11.3 Accessory ... 178