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Got a Ranger RCI-69 (1st edition) on the desk today.
Reason for being on my desk:
Blowing finals not long after being replaced.
Evaluation:
The last final (RT1) shorted and next to last final (RT1) weakened, then popped.
I've replaced these mosfets once before about 2 months ago, then the...
Got a beautiful Uniden Washington (8719 PLL) on the desk today.
Issue(s):
USB and LSB doesn't have the same tone on receive or transmit. Trebly sounding.
Expo kit acting up.
Evaluation:
D20 has a 5.6uh choke tied on to the banded end and goes to empty hole where banded end of D20 was lifted...
Got a Cobra 2000 GTL on the desk today.
Issues:
Weak receive in all modes.
Modulation/SWR meter won't fall back to 0. Stops at 30% scale.
Owner wants Hi-Fi installed.
Evaluation:
Receive alignment is out of whack. No real issue.
"Zero" adjustment on back of modulation/SWR meter needs freeing...
Got a Cobra 2000 GTL on the desk today. I was told by the owner that I had recently gone through it for him but he was having an issue with the low band frequencies.
Upon turning the radio on, I immediately noticed the meter lights were green. I never use colored lights in 2000's, I always use...
Got a Cobra 29 LTD Classic Chrome Edition on the desk at the moment.
Issue:
No power (DC)
Evaluation:
1. Diode was blown in DC line and trace burnt in half in same area.
2. Some type of audio derived mod.
After fixing the power in issue, I contacted the owner and asked what he wanted done to...
Got an old Galaxy DX - 55V on the desk today.
Issue:
No transmit output.
Evaluation:
Passthrough regulator had a hole blown in the center of it.
Driver collector lead was shorting with the base lead through sloppy solder work.
Replaced final, driver, passthrough regulator, AF regulator...
It never ceases to amaze me, lol...
A couple years ago I went completely through a practically brand new Galaxy DX 2547 for an old friend. That radio was flipping amazing on all aspects. Drive his amps better than ever before. He always had excellent compliments on how loud but clean it was...
Got a return Cobra 148 GTL that I previously installed an RFX95HD on up on the desk today.
Issue:
Owner got long winded on it the first night he had it, and the amp got so hot that it wouldn't key up anymore. The power started fading from 110w down to nothing.
Evaluation:
Although it ran...
Got a Uniden Washington (8719 PLL) on the desk.
Issue:
Extras not working properly.
Evaluation:
Only one crystal in the expo kit. The 11.1125 (original radio crystal) is the only crystal inserted in one end of the row for the crystals.
I found out that the high channel crystal for this B...
Got a Cobra 142 GTL base on the desk today.
Issue(s):
1. Squeals through speaker when Transmitting.
2. Clarifier not centered at 12 o'clock.
3. Receive weak in all modes.
4. Both sidebands sound terrible.
Evaluation:
1. The external speaker jack on the back of the radio is loose, which...
Got a Mirage mx-36HP3 on the desk today. Board number EPT-DX2912Z.
Issue:
Transmit audio has constant oscillation sound, sounds like background air noise and can't be brought down with mic gain off.
Evaluation:
Q39 looked burnt under it on the board.
Removed Q39 and noticed it's the wrong...
I just got done cleaning out the years long tech that recently passed away. He had a lot of new parts. But I have some questions for the experts on this site.
One of the parts containers has new finals in the compartment that's marked 2SC2312, but in the container are brand new "en 596N". And...
Got another Galaxy DX - 2547 on the desk today. Ehhhh, should I say hacked up 2547, lol.
Issues:
SSB xmit garbled.
RF power control non functional.
Extra channel switch broken.
Evaluation:
Q39 limiter (up front, near mic amp) was gutted out. Wrong limiter to remove on a SSB radio. This would...
Got an old school Mirage 88 on the desk today. Basically a Galaxy DX-88HL. This used to be the personal radio of a local "tech", ehhh, from years ago. I knew the man personally, and he was good at antenna building and amp building. Well, after looking over this radio, I can't say the same on his...
I've seen several galaxy, Connex, general, etc...10 meter exports with variable key mods done to them, but haven't ran across one yet with the proper way of adding a variable key to a Hi/Lo power switchable radio until this radio.
It's a Connex 3300 mobile with Hi/Lo switched RF Power switch...
Just got done with an old, old school Cobra 29 LTD Classic (sidemic). This radio is bone stock, other than the cap/resistor combo (470uf 25v + 56 ohm 1w) in place of JP36. This radio has the stock final and driver in it with no power/tweak mods at the final (R56, etc...). No parts are clipped or...
Got a Road King RKCB Classic (UT414) on the desk. It was given to me in a trade, and now a new guy on the air wants a nice 40 channel radio but can't afford much, so I decided to fix this one and set it all up for him. I'm giving it to him because it was given to me and he can't really afford...
Hi all,
As many of you know, AI is now upon us. Some of the AI units seems to produce sensible answers, but then there are those that spit out garbage. The AI technology can be very useful at times, depending on which AI you use.
Lately I've been using an AI service provided by the Brave...
Got a Galaxy Melaka base on the desk.
Issue:
Weak receive, high static noise.
Constant 3db of signal with heavy hash noise. Local strong stations only put about 6db on the meter (with meter turned wide open). All modes. Transmit is great, other than SSB sounds distorted (all limiters still...
I recently ordered around 25 PL259 ends that were listed as Teflon center from American Radio Supply.
I've always thought the Teflon ends had a yellowish tan or brown center color while the plastic foam centers were all white.
Well, these are listed as Teflon, but they're white centers.
The...
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