Kenwood_TKR-820_A_N_维修维护电器原理图手册_1993

UHF REPEATERTKR-820/N/AKENWOODSERVICE MANUALREVISED I1993-6 PRINTED IN JAPANB51-8050-10(0)1365This service manual is the same as the TKR-820 REVISED(B51-8050-00)exeept that the TKR-820N and TKR-820A typeshave been added.Use this manual instead of the B51-8050-00service manual.Dressing plateDressing platePanelCase (Upper)(A21-1519-03):TKR-820/N(A21-1520-03):TKR-820/N Knob (TAKE OVER,REPEAT,MONI)(A20-2666-11)(A01-1059-01)(B03-0578-03):TKR-820A(B03-0579-03):TKR-820A(K29-3148-04)×3KENWOODKnob (POWER)FootKnob (VOL,SQL)Knob (CH)Rectangular receptacle (MIC)(K29-3146-04)(J02-0049.14)x4K29-3147-031×2K29-3075-03):TKR-820A(E0B-0673-05)onlyPhoto is TKR-820A type.CONTENTSGENERAL.…RXVC0:Z2(X58-3150-XXn4.71SYSTEM SET-UP4TXVC0:Z5(X58-3460-XX072INSTALLATION…5MIC AMP:Z7X59-3210-10173CONVERSION......1F:Z8(X59-3220-10174DISASSEMBLY FOR REPAIR.........BPF/VCA:Z9(X59-3230-101.75BLOCK DIAGRAM.....17SIGNALING UNIT(X52-3140-XX)76CIRCUIT DESCRIPTION.19AVR UNIT(X43-3040-10)..79SEMICONDUCTOR DATA.......FINAL UNIT (X45-3250-XX).......80DESCRIPTION OF COMPONENTS...34DISPLAY UNIT (X54-3070-XX)...81PARTS LIST36TX-RX UNIT (X57-3270-XX)...83DISASSEMBLY61SCHEMATIC DIAGRAM..............85PACKING63TERMINAL FUNCTION..89ADJUSTMENT...........64KMC-9(BASE MICROPHONE)9.1PC BOARD VIEWS CIRCUIT DIAGRAMSSPECIFICATIONS95RX PLL Z1,TX PLL Z4 (X58-3120-10)...........0