© 2001-8 PRINTED IN JAPANB51-8575-00 (S) 668VHF FM TRANSCEIVER / VHF FM手持机TK-2118SERVICE MANUAL / 维修手册GENERAL .................................................................. 2REALIGNMENT ......................................................... 3CIRCUIT DESCRIPTION ......................................... 11SEMICONDUCTOR DATA ....................................... 17DESCRIPTION OF COMPONENTS ........................ 19TERMINAL FUNCTION ........................................... 21PARTS LIST ............................................................. 22EXPLODED VIEW ................................................... 29PACKING ................................................................. 30ADJUSTMENT ......................................................... 31PC BOARD VIEWSDISPLAY UNIT (X41-3583-00) ............................ 37TX-RX UNIT (X57-6233-00) ................................ 39SCHEMATIC DIAGRAM .......................................... 51BLOCK DIAGRAM .................................................. 55LEVEL DIAGRAM ................................................... 57BC-20, PB-40, PB-41, BT-12 ................................... 58SPECIFICATIONS ................................ BACK COVERHelical Antenna(T90-0757-05)Knob(ENC)(K29-5443-03)TK-2118CONTENTSKnob(VOL)(K29-5442-03)Key top(DIAL, SCAN)(K29-9026-13)Knob(PTT, MONI)(K29-9027-03)Cabinet assy(Front)(A02-3512-13)Key top(DTMF)(K29-9028-13)Panel assy(A62-0932-03)