UHF FM TRANSCEIVERTK-3140© 2001-10 PRINTED IN JAPANB51-8603-00 (S) 1422SERVICE MANUALGENERAL ................................................................................. 2SYSTEM SET-UP ..................................................................... 2OPERATING FEATURES ......................................................... 3REALIGNMENT ........................................................................ 4CIRCUIT DESCRIPTION .......................................................... 6SEMICONDUCTOR DATA ..................................................... 12DESCRIPTION OF COMPONENTS ....................................... 13PARTS LIST ............................................................................ 14EXPLODED VIEW .................................................................. 22PACKING ................................................................................ 23ADJUSTMENT ........................................................................ 24TERMINAL FUNCTION .......................................................... 34PC BOARD VIEWSTX-RX UNIT (X57-6410-10) .............................................. 35SCHEMATIC DIAGRAM ......................................................... 45BLOCK DIAGRAM .................................................................. 49LEVEL DIAGRAM ................................................................... 51KSC-25.................................................................................... 52KNB-24L,KNB-25A,KNB-26N,KRA-23 .................................... 55SPECIFICATIONS ............................................... BACK COVERCONTENTSKnob (ENC)(K29-9134-03)Knob (VOL)(K29-9133-03)Cabinet assy(A02-3653-04)Knob (PTT)(K29-9131-03)Antenna(KRA-23:option)Key top(SW1,SW2)(K29-9132-03)Does not come with antenna.Antenna is available as an option.