ROBYN T123B
Hey there folks! Does anyone out there have any knowledge / information relating to an "old school tube " Robyn T123B CB base radio? I have an opportunity to purchase one from the original owner, but...
View ArticleHR2510 Bias adjustment? No go...
When going to set the bias, the adjustments VR112, and VR113 won't adjust at all. I have 1.40mah, and zero on the second adjustment we'd nt. Any one have this issue? I am stumped, thank you for any...
View ArticleHow to hook up Function Generator for 30mV 1k test tones
I ordered these connectors: View attachment 44072 I have this function generator: View attachment 44071 View attachment 44070 Which pins do I need to connect to the FG? 1 and 2? How do I send it PTT?
View ArticleDodge Ram Promaster HiRoof 2500
We ordered one a few weeks ago. Has anyone here personally done a radio install in one? If so, did you run into any problems with finding a place for the antenna?
View ArticleHp 8590a
Hello looking for migration instructions for 75ohms to 50 ohms for my hp 8590a spectrum analyzer
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Question regarding SAMS CB Photofact Parts List practices...
Calling on experience once again here...... I have attached a "snip" of an electrolytic caps list from a SAMS Cb Photofact. My current thought is.... it doesn't matter what radio.... I have seen this...
View ArticleAA55 analyzer
Need a little help with the readings on the aa55 Anyone with some experience with one of these ???
View ArticleDiodes, part number ???? Cross reference ? Little help
Cobra 29 LTD,,D13 Part number 1SV215 Varicap Diode D19 Part number HZ5C-2 Zener Diode D22 Part number HZ90B1 Zener Diode D5,D6,D24,D10,D12,D9 Part number 2-2AP261 Germanium Diode D4, 2AP34A Germanium...
View ArticleShops to look for in Tennessee, Kentucky, Missouri
On a road trip and currently located in Clarksville TN. To we start another leg towards Williamstown KY then over to Petersburg KY. Following that in back across Missouri on the route back home....
View ArticleCobra 2000 On/Off button diagnosis help
Hi all Yesterday pwr button on Cobra quit working properly. It no longer shuts radio off, now when pushing the button, all lights dim, receive noise drops a little and it goes freq display to the clock...
View ArticleJDR Instruments model 3500
Has anyone here had any experience with this make and model? It appears to work on both channels at least when connected to my signal generator, it arrived Thursday but I've been putting all new...
View Articleawi on 2 radio
hello to all my issue is with a cobra 29 ltd classic and a trc-427 barefoot radio works fine no light comes on but when i turn on my solid-state 2 pill base amp the antenna warning light comes on ?? no...
View Articlehigh res Uniden Grant XL interior photos unmodded?
Hi folks, First timer here and wasn't sure where to turn. I have a Uniden Grant XL in my possession that was modified in several ways, and I am trying to restore it to factory default. I have the copy...
View Articleanyone know what the name of this lug is and where to find it?
For 8 gauge stranded copper .
View ArticleVintage CB - Magazines; Ad's, articles, cartoons, etc.
View attachment 43961 Some things never change.
View ArticleInfo needed on Mars MRC M 458
One of these just drifted into a friends shop. A 40- Channel SSB portable. I've never seen one. Information on it is minimal. Anyone know anything about it? I could really use a schematic. View...
View ArticleGalaxy 88 Alignment
I get to the part where you check R151 for 10.2965 and get nothing. I’ve checked all the components from the X4 crystal to R151 and everything looks good. At the crystal one side has 10.29680 and the...
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