Search found 22 matches

by Smitty
Saturday 12th Apr 2008, 14:35
Forum: CB Radio Modifications
Topic: Magnum 257 - talkback
Replies: 6
Views: 3977

BozoRadio wrote:Looking at the schematic, pin 2 of the mike plug grounds the negative side of the speaker, have you tried a resistor (100 ohms or less) from speaker ground (at the external speaker jack) to ground?

Thanks Bozo, I've tried both of those ways.....no success to either one.
by Smitty
Saturday 12th Apr 2008, 14:21
Forum: CB Radio Modifications
Topic: Talkback on radio without PA?
Replies: 10
Views: 7844

There's a way but I think that people want to keep it a secret. Here's how I did it. Connect the negative terminal of your speaker to the RX pin on the inside of the mic jack with a resistor in line. I used a 100 ohm because I like my talkback a little loud but i think 150 will be better for most a...
by Smitty
Saturday 5th Apr 2008, 9:35
Forum: Shout Outs
Topic: Been a while
Replies: 1
Views: 2145

Hi Bud, I know you from somewhere :wink:
by Smitty
Saturday 5th Apr 2008, 9:34
Forum: CB Radio Modifications
Topic: Talkback on radio without PA?
Replies: 10
Views: 7844

Shadow, your for sure that will work? I will give this a try, and post my results. Thanks
by Smitty
Friday 28th Mar 2008, 15:39
Forum: CB Radio Modifications
Topic: Talkback on radio without PA?
Replies: 10
Views: 7844

I got the same problem.....a magnum 257, and nobody seems to know how to do this, except for adding a UTB board by RF Limited.
by Smitty
Saturday 22nd Mar 2008, 3:04
Forum: RadioMods Web Site
Topic: That is the problem with this forum?
Replies: 2
Views: 3854

Maybe you clicked the "Preview" button instead of the submit button when creating that post? I've done it numerous times myself, lol You'd be surprised just how many folks don't have backups. The there are those that claim they have backups, and don't. I keep 100% backups over at the quack shack, at...
by Smitty
Friday 21st Mar 2008, 14:21
Forum: CB Radio Modifications
Topic: Magnum 257 - talkback
Replies: 6
Views: 3977

I didn't think it could be done.
by Smitty
Saturday 15th Mar 2008, 15:02
Forum: CB Radio Repair and Troubleshooting
Topic: MAGNUM 257 ROADPRO TITAN 2 NO TX OR RX
Replies: 6
Views: 3873

I'll approve ya ;)

I'm an admin there.
by Smitty
Saturday 15th Mar 2008, 14:33
Forum: CB Radio Repair and Troubleshooting
Topic: MAGNUM 257 ROADPRO TITAN 2 NO TX OR RX
Replies: 6
Views: 3873

Yes, you have to be a member of the quack shack, but it's got some awesome info on the forum ;)
by Smitty
Saturday 15th Mar 2008, 14:32
Forum: CB Radio Modifications
Topic: Magnum 257 - talkback
Replies: 6
Views: 3977

lol....come on man, I'm sure it can be done, but I need to know how, lol.

I been half tempted to buy one of those UTB-1 talkback kits and put in it, but I don't want that thing floating around in there.

Marv......do you know how? I'm up for suggestions :lol:
by Smitty
Saturday 15th Mar 2008, 10:22
Forum: CB Radio Repair and Troubleshooting
Topic: MAGNUM 257 ROADPRO TITAN 2 NO TX OR RX
Replies: 6
Views: 3873

You can find a schematic for the Magnum 257 here
by Smitty
Saturday 15th Mar 2008, 5:20
Forum: CB Radio Modifications
Topic: Magnum 257 - talkback
Replies: 6
Views: 3977

I sure figured someone has done this before. I guess if I were to accomplish it, I'd be the first :lol:


Would I tell my secret? :wink:
by Smitty
Wednesday 12th Mar 2008, 16:57
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 29 LTD Squelch
Replies: 8
Views: 5264

RF gain........
by Smitty
Saturday 8th Mar 2008, 15:10
Forum: CB Radio Repair and Troubleshooting
Topic: cobra 29 tx one channel off
Replies: 10
Views: 4490

oh ok, lol. I should have noticed the topic title, lol

Sorry
by Smitty
Saturday 8th Mar 2008, 14:22
Forum: CB Radio Repair and Troubleshooting
Topic: connex 3300 low rx
Replies: 7
Views: 3511

ok, I just wanted to narrow that down. I myself don't know the problem, and it might be a multitude of things. I'm sure someone will come along with better help
by Smitty
Saturday 8th Mar 2008, 14:18
Forum: Shout Outs
Topic: hello from semo
Replies: 1
Views: 2051

Hi there, from Texas. I'm new here as well :lol:
by Smitty
Saturday 8th Mar 2008, 14:17
Forum: CB Radio Repair and Troubleshooting
Topic: connex 3300 low rx
Replies: 7
Views: 3511

Have you tried another radio on the same antenna/coax?
by Smitty
Saturday 8th Mar 2008, 14:15
Forum: CB Radio Repair and Troubleshooting
Topic: cobra 29 tx one channel off
Replies: 10
Views: 4490

Sounds to me like he's got a radio that's got a 10Khz slide on it. What kind of radio is he using?
by Smitty
Saturday 8th Mar 2008, 12:31
Forum: CB Radio Repair and Troubleshooting
Topic: shorted cobra 29
Replies: 3
Views: 2461

Sounds like someone plugged it in backwards :shock:
by Smitty
Saturday 8th Mar 2008, 4:23
Forum: CB Radio General
Topic: MAGNUM 257
Replies: 1
Views: 2945

Hey Doc. I'm using the Astatic 636L on mine, with an adapter. Everyone says it's loud and crystal clear. Also run the mic gain at 100%. Never have had any complaints.
by Smitty
Saturday 8th Mar 2008, 4:21
Forum: Shout Outs
Topic: Howdy from Texas
Replies: 1
Views: 2006

Howdy from Texas

Shoutout to all of ya :lol:
by Smitty
Saturday 8th Mar 2008, 4:20
Forum: CB Radio Modifications
Topic: Magnum 257 - talkback
Replies: 6
Views: 3977

Magnum 257 - talkback

Not a "CB Radio" by any means, but this is the only place I can find to put this, lol, so here goes.

Anybody know of a way to ad talkback to a Magnum 257, internally?



BTW, hello everyone, some of you allready know me ;)

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