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Re: Menu Structure Document

Steve Matzura
 

I just got some help with this, and the menus only go up to 4. There is no 9-anything.

On 3/31/2021 1:41 PM, Steve Matzura wrote:
Where *EVER* did you find that information? Oh so helpful. Thank you!


On 3/31/2021 11:45 AM, Dave, W8AAS wrote:
It’s 908-911.   Choose the one corresponding to the button you want and set it as needed (VOICE, I assume; I don’t have that feature).

Dave, W8AAS



Re: Menu Structure Document

Steve Matzura
 

Where *EVER* did you find that information? Oh so helpful. Thank you!

On 3/31/2021 11:45 AM, Dave, W8AAS wrote:
It’s 908-911. Choose the one corresponding to the button you want and set it as needed (VOICE, I assume; I don’t have that feature).

Dave, W8AAS



Re: Menu Structure Document

Dave, W8AAS
 

It’s 908-911. Choose the one corresponding to the button you want and set it as needed (VOICE, I assume; I don’t have that feature).

Dave, W8AAS


Menu Structure Document

Steve Matzura
 

I had the need to reset my radio the other day because I got it into some state where I could not set any band to transmit or receive. I went to menu 1-9-7 and did the full reset. I then went to 1-2-4 to get the VS-3 speech chip operational again, but after that, I don't know what else to do to get the MD-53 microphone buttons to speak. I thought perhaps these settings were saved in the programming software, but no such luck. I've looked high and low on the Internet for a complete menu structure document for this radio, also n.s.l. Any hints, suggestions, or (of course) direct links to such a document greatly appreciated, with my thanks in advance. Oh, P.S., I looked in the "Specialized Communications" manual for what I'm looking for, but it has lots of little sections on how to do very specific things, and I haven't found a section that discusses programming the microphone's keypad keys. I'm thinking I'm clearly missing or skipping over something here, because I did this once, I should be able to do it again.


Re: TN-D710E capacitor replacement

Julian
 

Brilliant, Leo. Glad to hear another happy ending story. For me it was a bit more difficult as it was my first adventure into the SMD world.
Mni tks. 73 de J, MØIPU YOЗFCA


Re: TN-D710E capacitor replacement

Leo Bodnar
 

Well done, Julian!
I have replaced 455kHz NFM filter with a sharper slopes one, haven't done much testing either.
Leo


Re: TN-D710E capacitor replacement

Julian
 

Here is some final feedback. Applied this mod ( link ). All is fine now. Strong audio on all VFO-s all modes (FM, NFM). I haven't got the eqp to actually measure anything (uV, dBm etc) , only by smell ( no magic smoke ), visual ( no flames ), touch ( no intense heat ). I have still got Kapton tape attached to my slippers soles. All good.

Tnx and 73, regards de J, MØIPU YOЗFCA


Re: TN-D710E capacitor replacement

Julian
 

Hi agn. Found a bit of a free time tdy and managed to complete the cap job (I still need to put together the TM-D710). Here are some pics. Hot air didn't work in the end, I believe I covered too much area around the cap with Kapton tape (out of fear!). It would not reflow at 350°C (660°F) no matter what. The size of pads are also extremely tiny compared to ones on my test boards (would not heat up, probably). So, I cleaned up with isop, steadied my hand and held the cap on the board (by far the most diff part of the job probably), used a bit of flux, the iron and voila - see pics. Tnx all. I'll probably come back once I'll put together the TM-D710 with some feedback.


Overall pic





Joint view




Matchstick head next to the cap






73, regards de J, MØIPU YOЗFCA






Re: Microphone Replacement

Steve Matzura
 

Noted. Tnx.


On 3/14/2021 2:08 PM, Noel Seeley wrote:
Also, one can obtain a Kenwood commercial microphone which results in excellent audio. 


On Mar 14, 2021, at 12:24 PM, Philip Salley <pcsalley@...> wrote:

If you can find a Motorola HMN3596A palm mic, and re-do the pinout for the Kenwood you will have the finest mobile microphone.   Regards, Phil / K4PO


Re: Microphone Replacement

Steve Matzura
 

Thanks. I'll keep that one at the top of the lookout list.


On 3/14/2021 1:24 PM, Philip Salley wrote:
If you can find a Motorola HMN3596A palm mic, and re-do the pinout for the Kenwood you will have the finest mobile microphone.   Regards, Phil / K4PO


Re: Microphone Replacement

Noel Seeley
 

Also, one can obtain a Kenwood commercial microphone which results in excellent audio. 


On Mar 14, 2021, at 12:24 PM, Philip Salley <pcsalley@...> wrote:

If you can find a Motorola HMN3596A palm mic, and re-do the pinout for the Kenwood you will have the finest mobile microphone.   Regards, Phil / K4PO


Re: Microphone Replacement

Philip Salley
 

If you can find a Motorola HMN3596A palm mic, and re-do the pinout for the Kenwood you will have the finest mobile microphone.   Regards, Phil / K4PO


Re: TN-D710E capacitor replacement

Julian
 

0201. Don't even go there!
Thanks Leo. Let me see how I will be getting on with this one. For me it is also a bit of a challenge/hobby. I like to do this sort of things myself (within limits...). I have also ordered abt 70 electrolytics for my IC820H. Fingers crossed with that free time.
I'll return with some feedback.

73, regards de J, MØIPU YOЗFCA


Re: TN-D710E capacitor replacement

Leo Bodnar
 

If you are struggling, send the PCB over and I will put in for you. I am in Silverstone.  I have 0402 caps.
The smallest caps I have manually worked with are 0201 - they love falling down PCB vias, heh.

By the way I have replaced a filter on my TM-D710E and found that it had bypass caps already designed in - which I have not expected.
Leo


Re: TN-D710E capacitor replacement

Julian
 

That's true. You mean my lab floor... He he he. I did try the iron, but it's bk to sq 1. Either way, you have got to hold down the SMD. With the iron the SMD gets sucked onto its surface. It's also a nightmare. I waggled the iron and the cap ended - I wish I could tell you, I couldn't find it anymore. It joined the other specks of dust in the room. He he.

73, regards de J, MØIPU YOЗFCA


Microphone Replacement

Steve Matzura
 

I keep the stock microphone connected because it has the DTMF keypad which, of course, doubles as a miniature control device. However, as we all know, it's not the greatest microphone on earth. I'm looking for recommendations for a suitable replacement, even a powered microphone will do. I know I'll lose the DTMF and other control functions, but I can certainly get over that loss ;-) - Thanks in advance.


Re: TN-D710E capacitor replacement

Jim Shorney
 

An ordinary soldering iron is just fine for SMD parts and you don't risk blowing the part into your carpet. :)

73

-Jim
NU0C


On Sat, 13 Mar 2021 06:53:43 -0800
"Julian" <iulianp@msn.com> wrote:

I have done few trials on a test board and successfully soldered few caps of this size under the microscope using hot air.


Re: TN-D710E capacitor replacement

Julian
 

Hi Leo. Tnx for info. I have managed to decode what type of cap is, ceramic multilayer, ±5%, SMD 0402. 56pF, 50V. I have done few trials on a test board and successfully soldered few caps of this size under the microscope using hot air. It's crazy. They are under 1mm I believe. If you see them on the wking table you'd think they are specs of dust... I haven't soldered the TM-D710 one as I have run out of free time and also haven't felt that well recently. Maybe next week. 
Unfortunately Kenwood/JVC doesn't make.it easy to decode their part nrs. I would assume, for a trained eye, it's not a problem. With Panasonic for ex, on the other hand, if you ever type one of their part nr in Google you will find a lot of info, specs etc. 
73 regards de J, MØIPU YOЗFCA


Re: TN-D710E capacitor replacement

Leo Bodnar
 

Julian,
Have you fixed it yet?
It's a cap that passes IF 455/450kHz to the detector so not really "RF" or a critical value.
Leo


TN-D710E capacitor replacement

Julian
 

Hi, I have manage to successfully change the ceramic filters on my TM-D710E, but I knocked off C509 in the process. It's way too tiny for my soldering skills and tools so, I was wondering if anyone can help (info wise) with a larger replacement. I am not sure what type of capacitor it is, ceramic or RF. Probably ceramic. Service Manual pg 17, part no CC73HCH1H560J (chip C   56pF   J).
Regards, Julian, MØIPU

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