Kenwood NXR-710 Service Manual

Also see for NEXEDGE NXR-710: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

SERVICE MANUALThis product uses Lead Free solder.This product complies with the RoHS directive for the European market.© 2009-12 PRINTED IN JAPANB51-8901-00 (N) 527NXR-710VHF DIGITAL BASE-REPEATERCH/STATUSVOLUMEBUSYTX POWERMICFUSEN S Y N CD C 1 3 . 6 VREF IN RX INTX OUT CONTROLI / OTEST/SPKRFront panel(A62-1174-03)Knob (Power)(K29-9106-04)Key top(K29-9370-02)Knob (Volume)(K29-5389-03)Modular jack(E58-0522-05)Rear panel(A82-0077-02)Antenna cable (REF IN)(E30-7690-05)Antenna cable (RX IN)(E30-3418-15)Lead wire with connector(ACC15P)(E37-0913-05)Lead wire with connector(DSUB25P)(E37-1376-05)Modular jack x 2(E58-0533-05)DC cord (Ext DC in)(E30-3414-05)Blade fuse (15A/32V)(F05-1537-05)Antenna cable (TX OUT)(E30-7528-15)GENERAL................................................................... 2SYSTEM SET-UP ....................................................... 3REALIGNMENT ......................................................... 3OPERATING FEATURES ........................................... 5INSTALLATION.......................................................... 6MODIFICATION ......................................................... 8DISASSEMBLY FOR REPAIR .................................... 8CIRCUIT DESCRIPTION ............................................ 9COMPONENTS DESCRIPTION............................... 18PARTS LIST ............................................................. 20EXPLODED VIEW .................................................... 36PACKING.................................................................. 38ADJUSTMENT ........................................................ 39TERMINAL FUNCTION ........................................... 53PC BOARDFINAL UNIT (X45-3920-10) ................................. 58CONTROL UNIT (X53-4490-10) .......................... 62DISPLAY UNIT (X54-3580-20) ............................. 66TX-RX UNIT (X57-7940-10) ................................. 70RX VCO/PLL UNIT (X58-5070-10) ...................... 74TX VCO/PLL UNIT (X58-5080-10) ...................... 75INTERCONNECTION DIAGRAM ............................ 76SCHEMATIC DIAGRAM .......................................... 78BLOCK DIAGRAM ................................................... 96OPTIONAL ACCESSORIESKES-5 (EXTERNAL SPEAKER) ............................ 99SPECIFICATIONS ................................. BACK COVERCONTENTS