Kenwood TK-285 Service Manual

Also see for TK-285: Service manual Instruction manual and user handbook

VHF FM TRANSCEIVERTK-285/(N)© 2000-6 PRINTED IN JAPANB51-8530-00(S) 847SERVICE MANUALGENERAL ................................................................................. 2SYSTEM SET-UP ..................................................................... 2OPERATING FEATURES ......................................................... 3REALIGNMENT ........................................................................ 4CIRCUIT DESCRIPTION .......................................................... 6SEMICONDUCTOR DATA ..................................................... 11DESCRIPTION OF COMPONENTS ....................................... 13PARTS LIST ............................................................................ 14EXPLODED VIEW .................................................................. 22PACKING ................................................................................ 23ADJUSTMENT ........................................................................ 24TERMINAL FUNCTION .......................................................... 32PC BOARD VIEWSDISPLAY UNIT (X54-3210-13) ............................................ 33TX-RX UNIT (X57-619X-XX) ............................................... 39SCHEMATIC DIAGRAM ......................................................... 45BLOCK DIAGRAM .................................................................. 49LEVEL DIAGRAM ................................................................... 51OPTIONS ................................................................................ 52SPECIFICATIONS ............................................... BACK COVERCONTENTSCAUTIONWhen using an external power connector, please usewith maximum final module protection of 9V.Photo is K typeKnob (ENC)(K29-5232-03)Knob (VOL)(K29-5231-03)Cabinet assy(A02-2055-53)(16 keys)Badge(B43-1106-14)Packing(G53-0896-02)(16 keys)Panel assy(A62-0535-04)Helical antenna(T90-0733-05):K, E(T90-0734-05):(N)MKnob (PTT etc)(K29-5157-03)fineline6

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