Other users have reported symptoms such as key board lock up after transmitting.
978 (8-8-1990) Some TH-75A owners have reported that the transceiver intermittently loses its memory channel information after transmitting. TH-75A Intermittent memory loss Author: Kenwood Communication, inc. Time to perform this modification is 1 hour or less. Required part: 22V Zener diode (UZP-22B) This is an optional change that is not covered under warranty. Note: This modification has already been performed on models stating with serial number 007xxxx. The Service Manual disassembly instructions will be required to perform this modification. The Zener should be solder between the SBR side of L218 and the shielding case of L221 on the component side of the RF board (X53-3370-11) (A/3). To protect the transceiver, a Zener diode will be used to clamp the SBR line. The supply current opens L218 and the foil trace at this coil. When the transceiver is in the automatic battery saver mode, the noise pulses overcharge C348 on the RF board causing it to short. 957 (9-1-1990) When the TH-75A is connected to a vehicle battery, ignition or alternator noise can be induced on the DC line. For opening the TH 75 follow the instructions of the manual. A page with Mods for various Kenwood amatuer radios.
MFJ Enterprises Inc.User manual, users manuals, user guide, operating instructions. Manual for R7, 10 12 15 16 20 30 40 meters band antenna
Government's military handbook on grounding in pdf format Kenwood Icom Standard Alinco and many more manuals Now over 10,000 manuals for amateur, audio, and radio-related equipment available Over 5000 operator and service manuals for almost all radios The manuals in this archive are available to all who enjoy working on and restoring old tube type amateur radio equipment and short wave receivers. Instruction manuals for all Kenwood current radios. Manuals for : ICOM, Yaesu, Kenwood, Alinco, Standard, Uniden View and Download Kenwood TM-V7A service manual online. Auto repeater offset is featured for 2 meters. You can adjust the volume on the main and sub band from the top of the radio. This radio features dual receive with dual displays. The Kenwood TH-75A is a dual-band HT for 144 and 440 MHz. This equipment requires a licence and is intended for use in the countries as below. The use of the warning symbol means the equipment is subject to restrictions of use in certain countries. TH-D72A/ TH-D72E INSTRUCTION MANUAL ENGLISH NOTIFICATION This equipment complies with the essential requirements of Directive 1999/5/EC. The KPG-4 has a 6-pin (RJ-11 / RJ-12-style) connector.
The KPG-4 and the KPG-46 are the exact same unit except for the RJ connector on the radio end of the cable. 3) Note that Kenwood numbers the pins backward from Ethernet.
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