C O N T E N T S1. Safety Precautions1-1. Repair Precaution ...........................................................................1-11-2. ESD(Electrostatically Sensitive Devices) Precaution ...........................1-22. Specification2-1. GSM General Specification ..............................................................2-12-2. GSM TX power class ......................................................................2-23. Product Function4. Array course control4-1. Downloading Binary Files .............................................................4-44-2. Pre-requsite for Downloading .......................................................4-44-3. S/W Downloader Program ............................................................4-55. Exploded View and Parts list5-1. Cellular phone Exploded View ......................................................5-15-2. Cellular phone Parts list ..............................................................5-26. MAIN Electrical Parts List7. Block Diagrams8. PCB Diagrams7-1. RF Solution Block Diagram...........................................................7-17-2. BT Solution Block Diagram...........................................................7-27-3. Base Band Solution Block Diagram...............................................7-38-1. PCB Top Diagram.........................................................................8-18-2. PCB Bottom Diagram....................................................................8-2