1. Q12

    Alternator Whine Help Kenwood TK-790

    Hello! I have alernator Whine issue on my Kenwood TK-790 Mobile Radio Setup. The Vehicle Everything is in Is a Ford Expedition 2000. I have it configured in a Dualband Setup with a TK-890. Both Radios Controlled with a Single Control Head. The TK-790 Is Radio 2 in the setup and is Connected...
  2. F

    Difference between Kenwood Models (TK790, TK7160, TK7360, TK7180, etc)

    I've taken an interest in 900 MHz lately, which resulted in me accumulating a small collection of TK-981 mobiles. I've come to like these radios, and the fact that used commercial gear can often be found fairly cheap, has me very seriously considering using something similar as a VHF option for...
  3. coolbikr4684

    Tk-690/Tk-790/Tk-890 dual band dual head schematic

    Does any have a schematic for an KRK-8DBH or a clear picture of the circuit board in the back. I have a KRK-7DB but trying to see what is needed since I have SMDs and other small parts. I would like to buy an actual KRK-8DBH but this is for a radio set I have in my personal vehicle for my...
  4. V

    Kenwood TK-790 - Won't power up

    Hi all, I have a TK-790 VHF radio. I was having squelch issues and I noticed that if I connected the mic it would stop. I decided to short out a pin and the radio stopped working.... The mic holder is connected to the power supply (I did not to that). My guess was a grounding issue. I think I...
  5. T

    TK-790h Programming Cable KPG-43

    I got this TK-790h and got it working after a few hiccups.. I know I should buy the cable to program the radio, but I'm cheap and I would love to know if someone can send me the pin-out diagram. For what I've seen the 12pin Mic cable has only three connections. I actually bought the USB version...
  6. T

    TK790 Powering UP.

    After a lot of research I found the correct fix when this rig does not power on because of Ignition Sensing. Locate R504 and R506. Short R504 and unshort 506.. Badabing, Badabun.. 73
  7. G

    790 crossband with CDM

    My local Fire department came to me and they are trying to get a cross-band repeater up in a truck so mutual aid can talk to them as cheep as possible. the fire dept uses UHF for fire ground operations and have tk-790 remote head for use in the neighboring county. they want me to hook up a...
  8. L

    TK 790 Squelch Tuning

    We have several TK 790s. Some are 45W and some are 110W; some are the CA Fire Service model and a few are the generic Kenwood model. On one of the 110W generic Kenwood models (160 channel) I15 cannot get the squelch adjusted. The radio opens up with squelch noise even when there is no signal...
  9. L

    TK-790 2-tone programming

    I have programmed a TK-790 for 2-tone decode on a receive freq; however the speaker doesn't mute, it's always open. Is there a programming switch that I'm missing? It is a TK-790, 45W, (not California Fire Service model). Larry
  10. S

    PTT ID question

    I'm looking to purchase a mobile radio to put in my truck for response to fire dept calls. Anyways, I'm looking at the TK-790 and the TK-7180. One of the requirements is that I have PTT ID. I understand a fair amount about radios, but am no expert. From my understanding, you have to have a...
  11. L

    Programming TK-790

    Greetings: I'm programming a TK-790 (non-fire service model). I have the program load in a spreadsheet and would like to just 'import' it into the KPG-44DN software, but can't find a way to do that. Is there any way to import or open a spreadsheet or other file, except for the KPG-44DN native...
  12. 7

    TK-790H Power shut down upon mic keyup

    My local FD I volunteer for pulled our TK-790H Radio with remote head and speaker out of an engine we are selling. We went and installed the complete unit in our new truck we bought. Radio was working fine before the move. Now when we key up the mic to transmit, the whole radio shuts down...
  13. L

    Programming & Firmware for TK-790

    I have inherited the management of 6 Kenwood TK-790 mobile radios. I thought they were all the CDF build, but after running into problems trying to update the program in one of them, I looked more closely and am quite certain now that they are not, at least not all of them. How do I tell if...
  14. C

    TK-790 Issue

    We have recently put a TK-790 inservice as a base station at our department. We have had some issues getting the radio to function properly. All issues fixed except now we are unable to transmit, we upgraded our power supply, prior it would shut off when trying to transmit. Now it will break...
  15. R

    TK-790 remote mount cable length

    Howdy. I know there are three stock sizes of remote mount cables. Is there a maximum cable length specification? I am looking to mount a mobile into a facility with two operating positions for a transportation department. Unfortunately they are a fair distance apart. I have another facility...
  16. R

    Kenwood TK-790H and Firecom Intercom

    We have recently installed a Firecom intercom system with headsets into one of our fire apparatus and we are trying to interface it with a Kenwood TK-790H. The instructions say that for the radio to work properly we have to program the radio to accept a PTT on pin #6 of the 12 pin accessory...