Samsung SGH-Z720 service manual free download

File name Samsung SGH-Z720 service manual.pdf

UMTS TELEPHONE SGH-Z720 UMTS TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View/Disassembly and Assembly Instructions 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 Class ...2-2 3. Product Function 4. Array course control 4-1. Software Adjustments...4-1 4-2. Software Downloading...4-2 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 and Assembly Instructions...5-4 6. MAIN Electrical Parts List 7. Block Diagrams 7-1. RF Solution Block Diagram...7-1 7-2. Logic Block Diagram...7-2 8. PCB Diagrams CONTENTS 9. Flow Chart of Troubleshooting 9-1. Power On...9-1 9-2. Initial ...9-3 9-3. Charging Part ...9-4 9-4. Sim Part...9-6 9-5. Microphone Part-Phone MIC ...9-8 9-6. Microphone Part-Earphone MIC...