Question about Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A, 9.6v 1000mAh NiMh Pk 2-Way Radio

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UNLOCKING RF KENWOOD TH255A - Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A, 9.6v 1000mAh NiMh Pk 2-Way Radio

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Its illegal

Posted on Feb 08, 2015


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Kenwood Protalk tk-3200U8P won't receive nor transmit. Red Light comes on when talk button is pushed. Any suggestions?

Hmph, Kenwood, I had a Kenwood and they still use the same method, there is a small wire from the board to the base of antenna connection, it broke and the RF zapped all its chips. I am afraid you will have to take it a dealer.

Feb 11, 2015 | Kenwood Radio Communications

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I have a kenwood ts690s not transmitting full power

AM will only give to about 40W without modulation. This is the RF Carrier required for the AM Mode. This is because the RF Carrier is modulated by your voice, and when speaking into the mic, the voice peaks will increase the output to about 80W if not measured with a peak reading wattmeter. All radios will work like this in AM.

SSB requires audio to get any RF output. If your microphone is defective, or your MIC GAIN control is fully counter clockwise, you will get no output power when you speak into the mic. Output power, if not measured with a peak reading wattmeter will bounce to about 80W on voice peaks.

MOST wattmeters are not peak reading.

Apr 01, 2014 | Kenwood Radio Communications

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Kenwood TS-820 Receive Help

One of the RF gains stages is not working, or there's a self-oscillation in the receiver. I'm afraid it needs to go to a Kenwood shop or their service center.

Jun 29, 2013 | Radio Communications

1 Answer

On a kenwood ts-700a, is there a output power adjustment and where is it

Hi Joe,

If you're putting out 7 watts of RF power, you shouldn't need more to hit a repeater within 15 miles of your location, however, if there are no repeaters within range, then you must be in a rural location.

If this is so, then unless there is a repeater within reasonable range, you're not going to have much luck no mater the RF power your radio put out.

The more RF power your radio chuffs out, the shorter the battery life can be expected, 7 watts is enough to drain the battery quickly as it is.

If on the other hand this is a base set, I doubt it, then with a properly installed out door antenna, you should be making contacts with ease on 7 watts, depending on location as I've stated.

I hope this has answered your query.


Dec 09, 2011 | Kenwood Radio Communications

1 Answer

Kenwood TS-2000 low UHF RF output

Hi Robert,

Lightning damage is disarsterous for anything electronic, let alone a 2-way, I believe that there is something else that's been overlooked and it could be the RF switch on the board.

This unit needs to go and get a radio doctors opinion, else the radio may eventually die a slow death.

Kenwood is a good brand and if you paid good money to buy it, you need to spend a reasonable price to have it checked out.

That's my only advice for you.


Nov 18, 2011 | Kenwood Replacement Batteries: KNB15MH...

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I please need a kenwood kvt 516 wiring diagram to hook up my stereo i dont know what each color is. like left fron speaker etc. please help

battery yellow
accessory red
ground black
power antenna blue
amp turn blue/white
illumination orange
dimmer orange/white
RF + gray
RF - gray/black
LF + white
LF - white/black
RR + violet
RR - violet/black
LR + green
LR - green/black

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1 Answer

Unlocking Kenwood TH-22AT

Dec 20, 2008 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

3 Answers


First it is very hard to find this part cause this part is expensive,but you can this tube to any kenwood dealer in U.S.A.there is a lot of kenwood dealer....

Feb 14, 2008 | Radio Communications

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