Copper Talk » Open Forum » Archived Messages » 2005 » 01/01/2005 to 01/31/2005 » Old D- 104 Desk Mic « Previous Next »

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Hotwire
New member
Username: Hotwire

Post Number: 2
Registered: 1-2005
Posted on Sunday, January 30, 2005 - 11:06 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hotwire here. Wonder if someone can help. I'm a collector of old radios and came across this real old D104. It works but has a terrible scratch sound kinda like a loose wire sound. Anyway I used some electronic parts cleaner on the contacts in the mic. Presto clean as a whistle until next week I get the problem all over again maybe even sooner. Should I just use the mic? Will that eventually go away from use? I have the mic on a 76 Navaho.
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Ashtray
Junior Member
Username: Ashtray

Post Number: 14
Registered: 1-2005
Posted on Sunday, January 30, 2005 - 2:03 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I want to sneak a quick D-104 question in here while were on the topic. Sorry to intrude on your thread Hotwire...but I didn't want to start another D-104 post. Under the base cover of mine there is a switch with R and F on it. What do those mean and to which one should it be set?
Thanks.
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Troublemaker
Member
Username: Troublemaker

Post Number: 72
Registered: 2-2004
Posted on Sunday, January 30, 2005 - 3:44 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Ashtray, the switch is for radio's that have relay or eletronic keying. Older radios had relay's where newer ones are electronic. does that help?ALSO,HOTWIRE: try some super fine sandpaper and touch up the contacts, is what I would do.
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Kid_vicious
Intermediate Member
Username: Kid_vicious

Post Number: 195
Registered: 9-2004
Posted on Sunday, January 30, 2005 - 5:04 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

yep, trouble maker seems right to me, the contact cleaner was enough to take off a little bit of oxidation, but it built right back up on top of the old stuff. use very fine grit for this, and when youre done, put some dielectric grease on the end of a toothpick and dab a small ammount on each contact.
matt
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Hotwire
New member
Username: Hotwire

Post Number: 5
Registered: 1-2005
Posted on Monday, January 31, 2005 - 10:34 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

My hats off to troublemaker and kid vicious. All works well, very good advice! So grateful to have such info at my fingertips!

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