TR-851A_E_serv维修手册含电器原理图

430MHz ALL MODE TRANSCEIVERTR-851A/EKENWOODSERVICE MANUALC1987-1 PRINTED IN JAPANB51-3176-00(O1801Scanned by IW1AXR▣口Downloaded by▣Amateur Radio DirectoryPhoto is TR-851A.CONTENTSCIRCUIT DESCRIPTION。，”””44·“…·”MIC AMP(X593000-01)...71ELEMENT FUNCTIONSLCD ASS'Y (W02-03XX-05)。44g”72PARTS LIST…4···。…，”””，””，CONTROL UNIT (X53-1460-XX)EXPLODED VIEWPC80 ARD VIEWS.,,.···73LEVEL DIAGRAM.,.,,.,,,,,,··-57CIRCUIT DIAGRAM .....76ADJUSTMENT,。，,。，t…444·…·”FINAL UNIT(X45-3030XX)··.,·......77TERMINAL FUNCTION..::··,·····:CAR UNIT(X50-3040-00).0··78PACKING:,,,,,,,,,COMPOSITE UNIT (PLL,DRIVE,FRONT)PC BOARD VIEWS/CIRCUIT DIAGRAMX50-3050-110..·······79VC0(X58-1000-01).,71C0MPOS1 TE UNIT(RX)(X60-1320-01)......,810.24M05c(X583060-001..··71SCHEMATIC DIAGRAM....................83R1T(X583070-00}...····71MU-1 (MODEM UNIT)....................-6VDC-DC(X59110000),········VS-1VO1 CE SYNTHESIZER,.····,·gAF PRE AMP(X59111000,·...··..··.71TU-7 (TONE UNIT]90SQUELCH SWITCH (X59-1120-00)BLOCK DIAGRAM91CW BREAK IN (X59-1130-00)...·..,····SPECIFICATIONS ...............BACK COVER