DR600 Service Manual
Contents
1. Overview ................................................................................................................................................... 1
1
.1 Scope of Manual .................................................................................................................................... 1
1.2 Safey Precautions ................................................................................................................................. 1
2. Product Controls and LED Indicator Introduction............................................................................... 2
2
.1 Product Controls .................................................................................................................................... 2
2.2 LED Indicators ....................................................................................................................................... 3
3. Circuit Description .................................................................................................................................. 4
3
.1 RF Circuit ............................................................................................................................................... 4
3.1.1 Tx Circuit ............................................................................................................................................. 4
3.1.2 RF Power Amplifier Module Circuit ..................................................................................................... 5
3.1.3 Rx Module Circuit ................................................................................................................................ 6
3.2 GPS Ciruit .............................................................................................................................................. 8
3.3 Baseband Section ................................................................................................................................. 9
3.3.1 Circuit Description ............................................................................................................................... 9
3.3.2 Power Section ....................................................................................................................................11
3.3.3 Audio Processing .............................................................................................................................. 14
3.3.4 Ethernet Interface ............................................................................................................................. 15
3.3.5 Boot Mode ......................................................................................................................................... 15
3.3.6 Hardware Version Encode ................................................................................................................ 16
3.3.7 Baseband Board Interface and Indicator .......................................................................................... 17
3.3.8 Tx Unit Interface Definition (J17) ...................................................................................................... 18
3.3.9 RF Power Amplifier Module Interface (J18) ...................................................................................... 19
3.3.10 Rx Unit Interface Definition (J15) ...................................................................................................... 20
3.3.11 Front Panel Interface Definition (J19) ............................................................................................... 22
3.3.12 Serial Port Definition (J23) ................................................................................................................ 22
3.3.13 JTAG Simulator Interface Definition (J2) .......................................................................................... 23
3.3.14 External Interface Definition (J9) ...................................................................................................... 24
3.3.15 Case External Interface Definition .................................................................................................... 26
4. Function and Parameter Setting .......................................................................................................... 28
4
.1 Conventional Functions ....................................................................................................................... 28
4.2 Parameter Setting ................................................................................................................................ 28
4.2.1 Parameters setting ............................................................................................................................ 28
4.2.2 Install CPSp user programming software ......................................................................................... 28
5. Assembly and Disassembly ................................................................................................................. 31
5.1 Case Disassembly ............................................................................................................................... 31
5.2 Exploded View ..................................................................................................................................... 34
5.3 Wiring ................................................................................................................................................... 37
6. Adjustment ............................................................................................................................................. 40
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