Kenwood_VC-10_serv维修手册含电器原理图

KENWOODSERVICE MANUALVC-10VHF CONVERTERFOR THE R-2000SPECIFICATIONSVC-10 characteristics (measured after installation)Receive frequency range....118-174 MHzReceive sensitivltvAM S+N/N=10dB.......Less than or equal to 10uVSSB/CW S+N/N=10dB..Less than or equal to 1 uVFM S+N/N=20dB ......Less than or equal to 2uV12dB SINAD.......Less than or equal to 2uVOpen squelch sensitivityAM.SSB.CWLess than or equal to 5uVFM.......................Less than or equal to 1uVAntenna impedance50ohmsCONTENTSSPECIFICATIONS.........................TOPCOVERSCHEMATIC DIAGRAMCIRCUIT DESCRIPTION....2CONVERTER UNIT (X46-1020-10)................6BLOCK DIAGRAM..3PCBOARDVIEW.....................7ADJUSTMENT.....................................3PARTSLIST......................................8PACKING…BACK COVERR房