Galaxy_DX-2547_(Service_Manual维修手册含电器原理图)

TABLE OFDX2547CONTENTSPAGECHAPTER 1SPECIFICATIONS1.0General21.1Transmitter。。。。。。。。。。。。。。。。。。。””””21.2Receiver..…CHAPTER 2OPERATION2.0Introduction..,...................................32.1Control and Connections32.1.1Front Panel2.1.2Rear Panel>2.1.3Frequency Chart..........................................82.2Microphone92.3Operation92.3.1Procedure to Receive.......................................92.3.2Procedure to Transmit92.4Alternate Microphones and Installation.........................10CHAPTER 3CIRCUIT DESCRIPTION3.0Introduction113.1PLL Circuit113.2Receiver Circuit113.3Transmitter Modulation Circuit...............................113.4Transmitter Amplifier Circuit................................1CHAPTER 4ALIGNMENT4.0Required Test Equipment ..................................144.1Alignment Procedures144.1.1PLL Alignment144.1.2Transmitter Alignment154.1.3Receiver Alignment........................................16CHAPTER 5MAINTENANCE5.0Precautions185.1Periodic Inspection185.2Fuse Replacement.......................18CHAPTER 6DIAGRAMS AND PART LIST6.0PCB Layout and Part List...................................19CHAPTER 1-1-