LG CU575 Telefon komórkowy
Producent:
Model:
CU575
Data:
2007
Kategoria:
Grupa:
Opis:
Instrukcja serwisowa
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

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