siemens AP75, M315 free download

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12/2005 Release 1.0 Service Repair Documentation Level 4 (level 2,5e) M315 / AP75 Release Date Department Notes to change R 1.0 12.12.2005 BenQ Mobile (Taipei/KLF) New document Technical Documentation TD_Repair_L4 M315/AP75_R1.0.pdf Page 1 of 42 12/2005 Release 1.0 Table of Content 1 Introduction ...3 1.1 PURPOSE ...3 1.2 SCOPE ...3 1.3 TERMS AND ABBREVIATIONS ...3 2 List of available level 4 (level 2,5e) parts ...4 3 Required Software for Level 4 (level 2,5e) ...5 4 Radio Part ...6 4.1 RECEIVER OPERATION ...6 4.2 TRANSMITTER OPERATION ...7 4.3 VCXO OPERATION ...8 4.4 BLUETOOTH OPERATION ...9 5 Logic ( Base-Band )...10 5.1 CALYPSO-LITE ...12 5.2 IOTA...15 5.3 POWER SUPPLY ...19 5.3.1 System power on/off Sequence ...