Kenwood TKR-750 free download

File name TKR-750k.pdf

VHF FM REPEATER TKR-750 SERVICE MANUAL © 2001-1 PRINTED IN JAPAN B51-8556-00 (N) 1435 Knob (DC source) (K29-9106-04) Panel (Outer) (A62-0840-03) Knob (VOL) (K29-5389-03) Panel assy (A62-0934-03) Key top (K29-5460-02) Modular jack (E08-0543-05) CONTENTS GENERAL ... 2 SYSTEM SET-UP ... 2 OPERATING FEATURES ... 3 REALIGNMENT ... 11 INSTALLATION ... 13 MODIFICATION ... 15 DISASSEMBLY FOR REPAIR ... 16 CIRCUIT DESCRIPTION ... 17 SEMICONDUCTOR DATA ... 23 DESCRIPTION OF COMPONENTS ... 25 PARTS LIST ... 27 EXPLODED VIEW ... 37 PACKING ... 39 ADJUSTMENT ... 40 TERMINAL FUNCTION ... WIRING ... PC BOARD VIEWS RX PLL/VCO (X58-4780-10) ... TX PLL/VCO (X58-4790-10) ... DISPLAY UNIT (X54-3330-20) ... FINAL UNIT (X45-3620-XX) ... TX-RX UNIT (X57-6260-XX) (A/2) ... TX-RX UNIT (X57-6260-XX) (B/2) ... SCHEMATIC DIAGRAM ... BLOCK DIAGRAM ... KES-4 (EXTERNAL SPEAKER) ... SPECIFICATIONS ... 47 51 53 54 55 59 65 71 77 89 92 93 TKR-750 GENERAL / SYSTEM SET-UP INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced technicians familiar with similar types of commercial grade communications equipment. It contains all required service information for the equipment and is current as of the publication date. Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions. These are issued as required. PERSONNEL SAFETY The following precautions are recommended for personnel safety : · DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated. · SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere. · This equipment should be serviced by a qualified technician only. ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment information, the full part identification number should be included. This applies to all parts : components, kits, or chassis. If the part number is not known, include the chassis or kit number of which it is a part, and a sufficient description of the required component for proper identification. SERVICE This radio is designed for easy servicing. Refer to the schematic diagrams, printed circuit board views, and alignment procedures contained in this manual. SYSTEM SET-UP Merchandise received Choose the type of transceiver Freque