Kdk Fm 240

Kdk Fm 240Mods

KDK FM-240 (Kyokuto Denshi K.K.) Type: Amateur VHF transceiver: Frequency range: 144-146 MHz (Europe) 140-150 MHz (USA) Mode: FM: RF Power output: Hi: 25 W Lo: 5 W. It took a very long time, but I found a service manual for the KDK FM-240 and discovered that the radio had a separate subtone encoder/decoder board. Well, my unit does not have the separate board - mystery solved! My next challenge is to find one, or an old FM-240 or FM-440 to scavenge the board from.

Kdk Fm 240 Service Manual

Kdk fm-240 manual

Kdk Fm 240 Manual

KB5OFRating: 2017-11-20
Successful tech special storyTime Owned: more than 12 months.
This radio was given to me with comment no audio and suspected audio amplifier. It transmitted just fine (some power alignment to be done in the future...) and the speaker audio was dead but the green receive led indicated as the squelch control was exercised but still no audio. Turns out the on/off switch-volume control pot had an open trace and on/off switch worked OK. Squelch was very touchy but worked some. Bottom line is I had to search far and wide to find replacement pots but none with the power switch was found. I found on-line an article on how to make an Anderson PowerPole inline switch and am now working to finish that. The unit is in spec on frequencies and off sets. If you find one that needs repair, go for it. You will have fun working on it and if you repair successfully, you will have a very solid OLD rig.
KD8DHZRating: 2006-04-29
Very niceTime Owned: 0 to 3 months.
Well worth the $70 i paid for it. I would recommend to anyone who needs a less expensive VHF rig.
MW0HRDRating: 2005-01-06
good cheap fm radioTime Owned: 0 to 3 months.
im not really a vhf operator but when i got a job as a night security officer i decided to get a 2m radio for work i had never heard of the KDK FM-240 but i told my friend i was looking for a vhf radio he said he had one for sale. I baught the radio for £15 it works extreamly well I dont think you could better it for even £50. If you see one of these radios for sale and it works buy it you won't go far wrong. Its got 16 memory's CTCSS 1750KHz tone repeater shift covers from about 143.000 to 150.000 MHz tx &rx 12.50 or 25 KHz steps etc. Not sure about the 45w power thogh mine does about 25w
WV4RRating: 2004-06-02
Whatever happened to 'KDK'...Time Owned: more than 12 months.
I just logged onto Eham.net and saw a 'KDK' review... so... I just Had to make the trip down Memory Lane.
I fondly remember my two KDK's from the 1980's. I remember why I bot them... Features and Benefits and Competitive pricing. I always liked the sound of the FM receivers. They were sensitive as well... did I say good looking too? They were in the era of the Azden FM radios as well... the Azdens ran to the beat of a different drummer... very complicated to program... but then that is yet another story... I would have to rate the KDK radios as FOUR Star for Features, benefits and price. 73 es God bless, murf/wv4r.
KI4BSLRating: 2004-06-02
Good for its ageTime Owned: 6 to 12 months.
I am still fairly new to ham radio, and I am by no means an expert on radios. However, for its age, I am impressed by the quality of this rig. It still has the basic features that you might need. (Touch tone pad, and PL tones.) Also, it is fairly simple in its controls and is easy to operate. I got this radio from a friend and no manual was included, but I found that most of the controls and functions are pretty well marked and easy to figure out. This isn't the most high-tech rig around, but I definately would recommend it to anyone who needs a sturdy, straight-forward radio.
KC0QMERating: 2004-01-10
good 80's rigTime Owned: 0 to 3 months.
works good, has great audio. a good all around 80's rig. got mine for 56.00