SERVICE MANUAL© 2014-7 PRINTED IN JAPANRQ017 (K) B5B-7110-10NX-300(G)UHF DIGITAL TRANSCEIVERGENERAL .................................................................. 2SYSTEM SET-UP ....................................................... 3REALIGNMENT ......................................................... 3INSTALLATION .......................................................... 6DISASSEMBLY FOR REPAIR ................................... 8CIRCUIT DESCRIPTION ......................................... 13COMPONENTS DESCRIPTION .............................. 19PARTS LIST ............................................................. 21EXPLODED VIEW .................................................... 37PACKING ................................................................. 38TROUBLE SHOOTING ............................................ 39ADJUSTMENT ......................................................... 44TERMINAL FUNCTION ........................................... 66Does not come with antenna. Antenna is availableas an option.PC BOARDCONTROL UNIT (XC1-0020-XX) ........................ 74TX-RX UNIT (XC1-0130-XX) ............................... 78SUB (GPS) UNIT (X58-5240-10) ........................ 82LEVEL DIAGRAM ................................................... 83INTERCONNECTION DIAGRAM............................. 84SCHEMATIC DIAGRAM .......................................... 86BLOCK DIAGRAM .................................................. 92OPTIONAL ACCESSORIESKNB-47L (Li-ion Battery Pack) ......................... 96KNB-48L (Li-ion Battery Pack) ......................... 96KRA-44G (UHF Helical Antenna) ...................... 96SPECIFICATIONS ................................ BACK COVERAPPENDIX (SCHEMATIC DIAGRAM XC1-002)NX-300(G) K,K2 NX-300(G) K3,K4CONTENTS12 ABC5 JKL08 TUV47GHIPQRS3DEF6MNOMIC#9WXYZMICKnob (Selector)(K29-9408-13)Knob (Selector)(K29-9408-13)Knob (Volume)(K29-9407-03)Knob (Volume)(K29-9407-03)Helical Antenna(KRA-44G: option)Badge(B43-1606-14)Badge(B43-1606-14)Knob (PTT)(K29-9405-03)Knob (PTT)(K29-9405-03)Plastic cabinet assy(18 key)(A02-4003-23)Plastic cabinet assy(6 key)(A02-4002-23)Packing (18 key)(G53-1766-11)Packing (6 key)(G53-1765-11)REVISEDThis service manual has been revised due to the DSP IC modification of the control unit.This product uses Lead Free solder.This product complies with the RoHS directive for the European market.
