UHF FM TRANSCEIVERTK-380© 1999-4 PRINTED IN JAPANB51-8455-10(S) 1367SERVICE MANUALGENERAL ................................................................................. 2SYSTEM SET-UP ..................................................................... 2OPERATING FEATURES ......................................................... 3REALIGNMENT ...................................................................... 11CIRCUIT DESCRIPTION ........................................................ 16SEMICONDUCTOR DATA ..................................................... 22DESCRIPTION OF COMPONENTS ....................................... 27PARTS LIST ............................................................................ 28EXPLODED VIEW .................................................................. 36PACKING ................................................................................ 37ADJUSTMENT ........................................................................ 38TERMINAL FUNCTION .......................................................... 48PC BOARD VIEWSDISPLAY UNIT (X54-3210-XX) ......................................... 49TX-RX UNIT (X57-5750-XX) ............................................. 55SCHEMATIC DIAGRAM ......................................................... 61BLOCK DIAGRAM .................................................................. 65LEVEL DIAGRAM ................................................................... 67OPTIONS ................................................................................ 68SPECIFICATIONS ............................................... BACK COVERCONTENTSKnob (ENC)(K29-5232-03)Knob (VOL)(K29-5231-03)Cabinet assy(A02-2054-53):K,K2,K3,M,M3(4 keys)(A02-2055-53):K4,K5,K6(16 keys)Badge(B43-1106-14)Packing(G53-0840-02):K,K2,K3,M,M3 (4 keys)(G53-0841-02):K4,K5,K6 (16 keys)Panel assy(A62-0535-04)Knob (PTT etc)(K29-5157-03)Whip antenna(T90-0682-05):M(T90-0684-05):M3CAUTIONWhen using an external power connector,please use with maximum final moduleprotection of 9V.Photo is K4 type with KRA-15This service manual is same at the TK-380(B51-8455-00)service manual with destination K, K4 and M with theexception of new destination, K2, K3, K5, K6 and M3.REVISED