CHAPTER 3. Circuit Description …….…………………………………………………...23
1. RF TRANSMIT/RECEIVE PART.....................................................................................................23
1.1 Overview.................................................................................................................................................... 23
1.2 Description of Receive Part Circuit......................................................................................................... 24
1.3 Description of Transmit Part Circuit...................................................................................................... 27
1.4 Description of Frequency Synthesizer Circuit ....................................................................................... 28
2. DIGITAL/VOICE PROCESSING PART.......................................................................................... 28
2.1 Overview.................................................................................................................................................... 28
2.2 Configuration............................................................................................................................................ 28
2.3 Circuit Description.................................................................................................................................... 29
CHAPTER 4. Trouble shooting… …….…………………………………………………...32
4.1 Rx part Trouble .......................................................................................................................................... 32
4.2 Tx part Trouble........................................................................................................................................... 62
4.3 Logic part Trouble...................................................................................................................................... 92
CHAPTER 5. Safety ……….…….…….……………………………………………..…...116
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