TS-990S_参考电器原理图

HF/50MHz TRANSCEIVERTS-990SKENWOODJVCKENWOOD CorporationDIAGRAM&CIRCUITBOARDS EDITION2013-4 PRINTED IN JAPANRQ005(Y)195(B53-7038-00)50圆回回回CONTENTSINTERCONNECTION DIAGRAM...............3CONTROL UNIT (X53-452X-XX)ACCESSORY UNIT (X42-3430-00)(A/10-J/10)SCHEMATIC DIAGRAM.......32SCHEMATIC DIAGRAM (A/10)..4PCBOARD33PC BOARD.5DSP UNIT(X53-4530-00)SCHEMATIC DIAGRAM(B/10-J/10).PC BOARD......35DC-DC UNIT仪43-3220-00)(A/3-C/3)SCHEMATIC DIAGRAM.37SCHEMATIC DIAGRAM.........10DISPLAY UNIT(X54-3850-00)(A/6~F/6)PC BOARD...11SCHEMATIC DIAGRAM ..........38FINAL UNIT (X45-3880-00)(A/2,B/2)PC BOARD….39PC BOARD..13RX UNIT (X55-313X-XX)(A/2,B/2)SCHEMATIC DIAGRAM.15SCHEMATIC DIAGRAM (B/2)..43DIGITAL UNIT(X46-3390-00)PC BOARD (B/2)...43SCHEMATIC DIAGRAM(1/3)..16SCHEMATIC DIAGRAM(A/2)44PCBOARD...17PC BOARD (A/2)...45SCHEMATIC DIAGRAM(2/3,3/3).....19TX-RX UNIT (X57-827X-XX)(A/2,B/2)PLL(MAIN)UNIT (X50-3220-00)SCHEMATIC DIAGRAM (B/2).47PC BOARD.21PC BOARD (B/2).....47SCHEMATIC DIAGRAM........23SCHEMATIC DIAGRAM (A/2)..........48PLL(SUB)UNIT (X50-3230-00)PC BOARD (A/2).....49SCHEMATIC DIAGRAM..........24BLOCK DIAGRAM.........51PCBOARD25SPECIFICATIONS.......52AT UNIT (X53-4410-00)(A/2,B/2)PC BOARD27SCHEMATIC DIAGRAM............31LFThis product complies with the RoHS directive for the European market.This product uses Lead Free solder.