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Radiodude
Posted on Monday, November 25, 2002 - 6:18 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Do any of the Techs have a easy way to put switchable on/off talkback in a Melaka?
I can do the mod if it is not too involved.

Thanks
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307
Posted on Monday, November 25, 2002 - 9:21 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

To add Talkback to your Galaxy Melaka , Locate D-80 inside the radio near the Audio Transformer. Cut one end of D-80. Add a switch to bridge the cut (Off/On)...Thats it.

There are pictures how to do it in the Subscribe area of the Forum..

307
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Radiodude
Posted on Sunday, December 29, 2002 - 12:15 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Well I cut the d80 and hooked the switch up and all i get is squeal when i key up!! Any ideas??
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307
Posted on Sunday, December 29, 2002 - 11:17 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

What???? Are you running a full cranked D-104?

307
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Radiodude
Posted on Tuesday, December 31, 2002 - 11:59 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Yes BUT it does it with the stock mic also!!!
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Radiodude
Posted on Friday, March 14, 2003 - 11:58 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Darn thing still squeals, even with the stock mic!!
I guess i need to figure this out!!!
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307
Posted on Saturday, March 15, 2003 - 8:03 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Does it squeal with the talkback turned off?

307
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Radiodude
Posted on Friday, March 21, 2003 - 11:43 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

No it does not!!!
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Tazzmo
Posted on Monday, July 07, 2003 - 3:22 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I installed a on/off switch and it works perfect no squeal You might want to make sure you dont have a piece of soldier touching another part
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307
Posted on Monday, July 07, 2003 - 12:22 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hmmm...Is your antenna well grounded? Sounds like a ground loop...

307
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Radiodude
Posted on Wednesday, July 09, 2003 - 12:16 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Ok Will look for solder bridge. The antenna has 4 9ft ground rods at 90dgr so i dont think that is it

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