Quantcast
Browsing all 4244 articles
Browse latest View live

3600xxx14b

What is the smt diode part number on the 14b board. Example galaxy 99 and so on. Thx

View Article


Cobra 200 DX No power output

Hello all, Back with another project, unfortunately my last stomper projects ended up getting picked up before I could figure them out. I'm hoping this time around I have a bit more of a casual fault...

View Article


galaxy 98vhp vs connex 4600 vs general hp 40?

I know these are ham radios, but out of these 3 radios, which is the best radio out of the 3?

View Article

L21 Frequency mod for MB8719

Hello all, Back at it again. There seems to be little talk about this modification. This is a strange mod in which you place a variable resistor from L21 to PIN 10 of the MB8719 to achieve a 128 upward...

View Article

Cobra 148 low volume and modulation

Hey guys, This is the same 148 I was dealing with in the other thread but I decided to focus that thread specifically on the frequency mod. I've had this 148 for a while now and despite having aligned...

View Article


RCI 2980 AM\FM RX

I have a RCI2980 EPT3600-14b board everything works, but I have no rx on am or fm but it tx on them, but its fine on ssb. Any ideas on what to check?

View Article

Bearcat 980 ssb,did i mess up trading for 1?

I traded my chicom kinda anytone smart cbs and another 2 way radio for a same as new bearcat 980 ssb. Luckily i discovered how to kill that ugly annoying BEEP.mine must be a newer model as i held down...

View Article

Siltronix 1011

Anyone know the case screw sizes ?

View Article


Start replacing ceramic caps now!

seeing it more and more. Ceramic caps on rectifiers in the power supply slowly shorting out and making the transformer smoking hot just in RX or pumping the voltage on the regulator to 16v. TRC 458,...

View Article


Italian linear?

I was recently looking at mobile linears for a CB on Ebay and saw a RM Italy brand. It's only a 100watt but was rather inexpensive. Has anyone heard of these? Are they any good?

View Article

10-5-18 LSB 38 Keydown?

Man, seems like LSB 38 has a keydown going on. Or Mexico is skipping and bleeding on AM 38. Lots of Spanglish and Spanish. Anyone else receiving this?

View Article

Bearcat 980 developed a problem

Ok all you 980 gurus ,tell me what to do. Shut my 980 off last nite only thing that shut off was speaker. Is there a way to reset it like my delta force,2 little solder pads? I unpluged power with it...

View Article

Found this for bearcat 980 ssb

View attachment 25593 if you already seen it pass on by but rare to find much on them

View Article


Rm Italy KL-503 watts vs amps

Looking at this amp, it appears the max output SSB is 450w but the max amp draw is only 30 amps. That seems awfully low. Is the 30 amp max draw incorrect? The other thing that seems low is the input...

View Article

Humor for a bit

Looky i located the GOLDEN SCREWDRIVER. View attachment 25608

View Article


So you like videogates?

Better be careful. ANY videogate that has someones voice, is subject to be removed as easily as someone saying, "thats my voice". It can be reported for privacy violations...

View Article

galaxy 33 hml with a 4 mosfer box

My question is on a galaxy 33 hml with the 4 mosfet amp imside. When u run the rf switch on low the box works great but when you try to run the rf power on high with the box on it just overdrive it. My...

View Article


cobra 25 ltd

I have a 25 ltd that has no receive or transmit. I compared the voltage on a working 25 ltd to the non working one. The voltage to the pll and the mixer on the nonworking one jumped all over the place....

View Article

noise to signal ratio

Ive tuned up a bunch of radios in the past so i know enough to get myself in trouble. Hi. But... This signal to noise ratio i just cant seem to get. When tuning the rx i use an old volt meter from the...

View Article

Communications Concepts

Anyone here ever hear of, or deal with Communications Concepts Inc. ? I was looking at one of their linears, namely the EB63A 140 watt. It is supposed to produce 140 watts with a freq response of 2-30...

View Article
Browsing all 4244 articles
Browse latest View live