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Author Topic: Problem with Kenwood TH-27 Handheld  (Read 2333 times)
WB9VHF
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Posts: 2




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« on: June 02, 2001, 09:07:39 PM »

I assisted at a marathon and put the radio in my pocket when I was done.

I must have hit a button or two that knocked out the sound on both receive and transmit.  The radio transmits and the buttons and F-button function works, but no sound.

Any suggestions?  I suspect I accidently affected the squelch.

Paulette, WB9VHF
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N4HNI
Member

Posts: 1




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« Reply #1 on: June 09, 2001, 12:08:50 PM »

Hello paulette, I discovered today the same problen with my TH-27 which has been setting for a while. Please let me know what you find out and I will do the same. Thanks Melvin Tyre, N4HNI
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WB9VHF
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Posts: 2




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« Reply #2 on: June 11, 2001, 10:13:27 AM »

Melvin,

Thank you for your reply.  That morning I had used the radio during a fundraiser race. It was afternoon when I noticed the lack os sound.

In my case I suspect that I accidently hit some buttons that locked up the squelch.  I removed the battery for a few days but that did not reset the settings.  I'll remove the battery for a couple of weeks to see what happens.

Of course, finding the manual would help a lot.  I hope I soon can remember which safe place I left it.

I'll let you know when I get the answer.

Paulette, WB9VHF
Madison, WI
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WB0DMA
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Posts: 64




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« Reply #3 on: June 11, 2001, 01:36:51 PM »

This is too weird.  I have a TH-27 with no sound too.  The squelch works and I can see the meter come up when there is a signal.  What is going on here?  I tried the reset function in the manual, but that did not help.  I just lost all of my settings.  Any assistance would be appreciated.  ths39@hotmail.com
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« Reply #4 on: June 11, 2001, 08:05:14 PM »

hi all,

I could not find anything to help so

email kenwood at kenwood.net
and go to amateur section.

They are nice and answer email promptly.

73
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WB0DMA
Member

Posts: 64




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« Reply #5 on: June 12, 2001, 12:26:34 PM »

I emailed Kenwood and they responded with the standard $50 per hour plus shipping response.
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KA1SLG
Member

Posts: 9




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« Reply #6 on: June 20, 2001, 10:47:08 AM »

Okay people, I have a th27a and a manual, does it show anything on the display to indicate some obscure function enabled?

Andy
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WB0DMA
Member

Posts: 64




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« Reply #7 on: June 20, 2001, 01:23:56 PM »

Every thing looks normal on the display.  I can see a signal on the s-meter.  I can see when the squelch on this display open.  

It is like having the tone squelch on and receiving a signal without the tone.  

I even tried inputting a known tone squelch code from a local repeater and nothing was heard from the speaker.  I even tried plugging in an external speaker.

Thanks for your help.  I know there has to be a solution out there.
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KA1SLG
Member

Posts: 9




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« Reply #8 on: June 29, 2001, 12:39:13 PM »

looking at mine the display should show repeater offset, a 'T' in a box to indicate pl tone for repeater acess and 'CT' for tone squelch. hitting the moni button above the ptt switch should open up your squelch. if that doesn't happen I would suspect that the audio output amp is gone.

Andy
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WB0DMA
Member

Posts: 64




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« Reply #9 on: June 29, 2001, 01:44:05 PM »

I suspect you are right about the audio amp.  Do you have any idea as to what that might cost to repair at $50/hr?  
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KC8PTB
Member

Posts: 19




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« Reply #10 on: July 12, 2001, 02:37:42 PM »

This topic is like deja-vu (sp?) or something.  A week after I first read this my TH-27 died the same way.  Did Kenwood plan this?  I suspect it has something to do with heat as I left my radio in the car during a hot summer day (not turned on, just stored).

I have the manual and schematic.  Is this reparable at home or is the radio a loss.  Probably not worth a factory repair.

Did anyone fix theirs?  I was looking for an excuse to buy a new radio, but wanted to keep this alive as a back-up.

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KA1SLG
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Posts: 9




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« Reply #11 on: July 14, 2001, 10:26:47 AM »

 I would suspect that you would end up with about a $65 dollar bill. That seems to be like a standard amount for a minor repair to an HT. you might consider doing it your self. the output IC is probably surface mounted and needs a delicate touch to remove and reinstall.

Andy
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KG4GSC
Member

Posts: 25




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« Reply #12 on: August 10, 2001, 03:51:11 PM »

Your unit has developed a leaky capacitor which has eaten the lands on the audio amp board.  Not repairable.  I have one in similar condition I'm trying to fix.  Kenwood will not repair it, I've asked.  If you're REALLY good at microsurgury, it may be repairable.  This problem oft happens after high temp exposure.

Andrew
KG4GSC
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WB0DMA
Member

Posts: 64




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« Reply #13 on: August 11, 2001, 09:32:33 PM »

Although that is not what I wanted to hear, I appreciate the information.
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KC8PTB
Member

Posts: 19




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« Reply #14 on: August 14, 2001, 09:15:46 AM »

Thanks for the cap tip . . . I think I found it.  Hope to try to fix it soon.  Will report on the operation in a few weeks.

Jim
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