Samsung SGH-X520 service manual free download

File name Samsung SGH-X520 service manual.pdf

GSM TELEPHONE SGH-X520 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts list 6. MAIN Electrical Parts List 7. Block Diagrams 8. PCB Diagrams 9. Flow Chart of Troubleshooting 10. Reference data Contents 1. Safety Precautions 1-1. Repair Precaution ...1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ...1-2 2. Specification 2-1. GSM General Specification ...2-1 2-2. GSM TX power Level ...2-2 3. Product Function 4. Array course control 4-1. Downloading Binary Files ...4-2 4-2. Pre-requsite for Downloading ...4-2 4-3. S/W Downloader Program ...4-3 5. Exploded View and Parts list 5-1. Cellular phone Exploded View ...5-1 5-2. Cellular phone Parts list ...5-2 5-3. Disassembly ...5-4 5-4. Assembly ...5-6 6. MAIN Electrical Parts List 7. Block Diagrams 8. PCB Diagrams Contents 9. Flow Chart of Troubleshooting 9-1. Baseband ...9-1 9-1-1. Power ON ...9-1 9-1-2. Initial ...9-4 9-1-3. SIM Part ...9-6 9-1-4. Microphone Part ...9-7 9-1-5. Speaker Part_1(MP3, SPEAKER PHONE) ...9-8 9-1-6. Speaker Part_2(RECEIVER) ...9-10 9-1-7. Charging Part ...9-11 9-2. RF ...9-13 9-2-1. EGSM RX ...9-13 9-2-2. DCS RX ...