科立讯KIRISUN-PT6800-维修手册电路原理图

KrsunPT6800 Service ManualDangerous!ContentsDo not connect the AC power or DC power over 8.6V withChapterany connector or terminal of the radio.Otherwise it will causeChapter 2 Extemal View and Functional Keys.Ifire,electric shock or damage to the radio.Chapter 3 ModeChapter 4 Circuit Description........3Chapter 5 Function Description and Parameter Setting.....8Warning!Chapter 6 Disassembly for Repair..10Chapter7 Adjustment….12Do not reverse power connection.Chapter 8 Spec ifications...16It may cause harm to the radio if signal input on the antennaChapter 9 Servicing and Testing Equipment.....connector is larger than 20 dBm (100mW).Chapter 10Do not turn on the radio before the antenna or loadAppendix I Abbreviations.connection is completed.Appendix 2 Electronic PartsIf the antenna has been damaged,do not use the radio.Appendix 3 Structural Parts List.23Damaged antenna may cause light burning on skin.Appendix 4 Accessories.24Though the radio is waterproof;it's better to avoid putting itFigure 1 PT6800 Block Diagram25in rain or snow,or any other liquid to ensure its life andFigure 2 PT6800 Main Board Schematic Circuit Diagram......26performance.Figure 3PT6800 Main Board Top Layer Position Mark Diagram7Figure 4 PT6800 Main Board Bottom Layer Position Mark Diagram..........28Figure 5PT6800 Main Board Top Layer Position Value Diagram9Statement!Figure 6 PT6800 Main Board Bottom Layer Position Value Diagram.....30Figure 7PT6800 Key Board Schematic Circuit Diagram.3Kirisun Electronics(Shenzhen)Co.,Ltd owns the copyrightFigure 8 PT6800 Key Board Top Layer Position Mark Diagram.32of KSP6800 software.Figure 9 PT6800 Key Board Bottom Layer Position Mark Diagram....33Unauthorized duplication of KSP6800 software is strictlyFigure 10 PT6800 Key Board Top Layer Position Value Diagram.....34prohibited.Figure 11 PT6800 Key Board Bottom Layer Position Value Diagram..35Kirisun Electronics(Shenzhen)Co.,Ltd owns the copyrightFigure 12 PT6800 PTT Board Schematic Circuit Diagramof the MCU software.Figure 13 PT6800 PTT Board Top Layer Position Mark Diagram....37Kirisun Electronics(Shenzhen)Co.,Ltd owns the copyrightFigure 14 PT6800 PTT Board Bottom Layer Position Mark Diagram.......37of the radio outward appearance/structure/circuit design.Figure 15 KB-36C Schematic Circuit Diagram38Kirisun Electronics(Shenzhen)Co.,Ltd owns the copyrightFigure 16 KBC-60Q Schematic Circuit Diagram9of this service manual.Unauthorized publication is prohibited.Figure 17 PCB Layout 1...40Kirisun Electronics (Shenzhen)Co.,Ltd owns theFigure 18 PCB Layout 2..41trademarks“KIRISUN",Unn,and“科立讯”.