Question about Kenwood 107VR

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My Kenwood 107vr turns off about 3 seconds after I turn it on. What could be wrong with it and how can I fix it?

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Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Mar 25, 2011

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1 Answer

Will not powerup.


Do you have power out of the transformer no= transformer! yes start checking the resistors if you check all the same colour ones at the same time you will find there resistance next try the capacitors any that have rounded tops or shrunken jackets are always a good starting point

Feb 14, 2014 | Kenwood 107VR

1 Answer

My kenwood kr v1074 reciever doesnt seem to do the job of my other reciever.....my sub is connected threw the red and black ports tried em all and my speaker just remains low volume even if i have it full...


You shouldn't hook things up and guess how they work.

BTW "KRV1074" doesn't bring up a valid link anywhere in the universe except your request.

Try finding the manual here...

http://www.kenwoodusa.com/ Use the Search box.

Mar 09, 2011 | Kenwood 107VR

1 Answer

How do you perform a full reset on a kenwood tk-370


Field Programming procedure for the Kenwood TK-270 or TK-370 handhelds. Press and hold (light) & (dial) while turning on radio. Hold until (SEL) appears on the display. Pressing (SCN) allows you to program the following 1. Monitor Key Off = off 1 = Monitor momentary 2 = Monitor Lock 3 = Squelch off momentary 2. Scan Key Off = off Co = carrier operate To = Time operate 3. Dial Key Off = off On = enable 4. TA key TA = talkaround RV = Reverse Off 5. Lo Key On Off 6. Priority None 1 = fixed 2 = selected 7. Fixed Priority Channel Turn selector to channel 8. Look back time A Turn selector to time in seconds 9. Look back time B Turn selector to time in seconds 10. Revert Channel 1 = Selected 2 = Last Call 3 = Last used 4 = Selected + Talkback 5 = Priority 6 = Priority + Talkback 11. Tx Dwell time Turn selector to time in seconds 12. Drop out delay Turn selector to time in seconds 13. Time out timer Turn selector to time in seconds 14. Tot Pre-alert Turn selector to time in seconds 15. Tot Rekey time Turn selector to time in seconds 16. Tot reset time Turn selector to time in seconds 17. Squelch Level Turn selector to Squelch 18. Beep tone On Off 19. Signalling And Or 20. Battery Save On Off 21. Selectable QT On Off 22. Clr to transpond On Off 23. Del/ Add On Off Pressing (Dial) allows programming of: DTMF 24. digit time Turn selector to time in milliseconds 25. inter digit time Turn selector to time in milliseconds 26. First digit time Turn selector to time in milliseconds 27. Rise time Turn selector to time in milliseconds 28. Rise time with QT Turn selector to time in milliseconds 29. PTT ID Off 1 = connect 2 = disconnect 3 = Both 30. Dial ID On Off 31. Connect ID 32. Disconnect ID 33. # of DTMF keys on Keypad 12 16 34. DTMF hold time On Off 35. Store & send On Off 36. D key assignment Turn selector to D or time in seconds for pause 37. Dtmf Signaling Off 1 = code squelch 2 = Selective Call 38. Intermediate Code OFF A B C D E F 39. Group Code OFF A B C D E F 40. Auto Reset time Turn selector for time in Seconds 41. Call Alert/ Transpond Off 1 = 2 = 3 4 5 42. Transpond On Off Pressing (TA) will allow you to program Frequencies Use selector to choose channel Press PTT Enter Rx frequency using: - the Selector Knob to change kHz; - the Selector Knob + (light) to change MHz. If no channel is Shown press the (LO) button. Press PTT Enter Rx CTCSS code Press PTT Enter Tx Frequency as above Press PTT Enter Tx CTCSS code Press PTT 1. Option Signal Off 1 = DTMF 2 = 2-Tone 2. PTT ID On Off 3. Add/ Del 4. Busy Tx 5. Clock frequency shift 6. Power Hi Low Repeat for the other channels (you've got a 32 channel radio, so it may take a while...) <end>

Sep 16, 2010 | Kenwood Radio TK 260 360 270 370 2100 3100...

1 Answer

Kenwood 107VR rec and No vol from Sub Output w/ menu Opt On


In the setup menu are the speakers set to large or small? On some receivers if you have it set to large all the bass is directed to the right-left fronts.
On my pioneer receiver if the speakers are set to large the sub-pre-out only works if the receiver is in a surround mode, if its in stereo mode and the speakers are set to large the sub-pre-out is dead. If the speakers are set to small the sub-pre-out works all the time.
Also, some receivers won't send a signal to the sub-pre-out if there is no LFE discreet signal info from the dolby digital or dts bitstreem.
For example I have several older dvd's that light up the L C R SL SR icons on my receiver, but don't light up the LFE icon. I have other older dvd's that just light up the L and R icons meaning they are only recorded in stereo like a vhs tape recorded in dolby surround.
In my basement I also have a kenwood dolby digital receiver.
I've noticed that when a dvd only lights up the left and right icons the pioneer will automatically switch to dolby pro logic surround. The kenwood will only send the signal to the left and right fronts (stereo). If I manually switch it (kenwood) to dolby pro logic I'll get sound from all the speakers just like the pioneer, but it does'nt do it by itself.
Most receivers that have a tape monitor won't work in surround mode with the tape monitor on. The pioneer will let me use the tape monitor with dolby pro-logic but won't pass through a dolby digital signal with the monitor on.
Hope this helps.

Apr 18, 2010 | Kenwood 107VR

1 Answer

My kenwood 107VR keeps turning off on its own, after about 3 secs it shuts off and the light blinks.


If you are sure your speakers are good. This unit has a protect circuit keeping the unit from turning on. This recevier uses an ic instead of output transistors. A ic incorperates transistors,resistors,capactors in one assembly for size and costs. There is a number right on the front of the ic ,you can go on-line to buy the ic is is fairly easy to put in as long as you can desolder and solder in.

Apr 17, 2010 | Kenwood VR-209 Receiver

2 Answers

Need manual for kenwood tk-270 transceiver does any one no were i


Field Programming procedure for the Kenwood TK-270 or TK-370 handhelds. Press and hold (light) & (dial) while turning on radio. Hold until (SEL) appears on the display. Pressing (SCN) allows you to program the following 1. Monitor KeyOff = off1 = Monitor momentary2 = Monitor Lock3 = Squelch off momentary 2. Scan KeyOff = offCo = carrier operateTo = Time operate 3. Dial KeyOff = offOn = enable 4. TA keyTA = talkaroundRV = ReverseOff 5. Lo KeyOnOff 6. PriorityNone1 = fixed2 = selected 7. Fixed Priority ChannelTurn selector to channel 8. Look back time ATurn selector to time in seconds 9. Look back time BTurn selector to time in seconds 10. Revert Channel1 = Selected2 = Last Call3 = Last used4 = Selected + Talkback5 = Priority6 = Priority + Talkback 11. Tx Dwell timeTurn selector to time in seconds 12. Drop out delayTurn selector to time in seconds 13. Time out timerTurn selector to time in seconds 14. Tot Pre-alertTurn selector to time in seconds 15. Tot Rekey timeTurn selector to time in seconds 16. Tot reset timeTurn selector to time in seconds

Apr 27, 2009 | Kenwood Radio TK 260 360 270 370 2100 3100...

1 Answer

Kenwood 7100


Airbag Warning Light Reset Procedure:
The reason for this is that you turned your car on with the airbag warning light for the passenger located in the vent panel above the radio disconnected. To reset it. Turn your car off. without starting the car (foot off the brake) Turn the car to the "on" position. wait for the airbag light to blink. The SECOND it goes off before it comes back on and blinks you need to hit the button again and turn the car off. wait 2-3 seconds and repeat 3 times.

Oct 23, 2008 | Kenwood DNX7100 Car Video Player

1 Answer

Won't turn on!!!! I need my music.


Not a locked mode, your receiver is in the protect mode.

Try disconnecting the speakers and see if it turns on and stays on. If it does, yu have a bad speaker connected. Then you need to start connecting speakers one at a time, turning the unit off to plug a speaker in and then turn it back on after the next speaker is plugged in. When you get to the time when it goes back into protect, the last speaker you plugged in is bad. Take it in to be checked and fixed if possible.

If the unit goes into protect with all speakers disconnected you have a problem with the receiver. Most of the time it will be the amplifier circuit, sometimes other problems. In any case, it will need to be serviced by a professional technician. Sometimes these problems can be fixed for as little as $65 if it is very minor. In more severe cases it could go up to $200, it just depends on what the exact problem is and what kind of rated the service center charges. I have seen these type of receivers sold on ebay for as little as $75 used. That may not be a bad option, because you should be able to use your speakers with most any other type of stereo receiver.

If you need any more help or advise on what you should do with the receiver I will be happy to assist you. If this information was helpful to you a rating of "FixYA" would be appreciated.

And if you want to contact me again you can always just click on the "Ask me" below my picture or find me on the home page by clicking on the "Find Experts" link right below the top 5 experts section. I am on page 4 right now (I am new here, about 1 week), in time I will be on page 1.

I have been repairing car and home audio equipment for over 17 years at factory authorized service centers for most brands including Kenwood.

Thanks,

Dave

Jun 26, 2008 | Kenwood 107VR

1 Answer

Connecting subwoofer to receiver.


have u checked that the sub option on the reciver is on?

Jan 06, 2006 | Kenwood 107VR

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