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Redundancy becomes a necessity at my age. It’s nature’s way of providing me with compensation. If you’re and old fart and still believe you have a steel trap mind, you’re either a freak of nature or a liar.
I just finished restoring a Radio Shack TRC-481. There are actually two versions of this radio. The one labeled “Radio Shack” is the 21-1550B version, and the one labeled “Realistic” is the plain 21-1550 version. I never seen the inside of the Realistic version, but I’m showing the front side of...
In 1979 I sold my Drake TR4-C with W-4 watt meter and E-TEK FR-4TR frequency readout all for $500 dollars. I replaced it with a Ten-Tec Omni D that had a better receiver, but I still missed my TR-4C afterwards. All the Drake really needed was a quality preamp to boost sensitivity on 15 and 10...
The first page of the service manual will show some examples of the 23 Ch radios or clones that I found that use this board so far. Most of them include a FCC ID tag stating 1125. They used sheet metal screws on the case halves and even three hidden ones behind the face plates that attach the...
I don’t use any specialized program for joining those pages together. I mainly use early versions of Paint Shop Pro and ACDsee. Some of the early paint programs that I have become efficient with for the past twenty or more years. Horizontal and vertical line alignment is the key. Each page is...
I just finished the enhanced Hy Gain VIII manual with a separate spliced together schematic. The file size was a little large for this forum, so I split the manual in two parts.
At this time this is the best factory manual I could find on the Kraco KCB-2340. The resolution on the schematic I saw on the CB tricks version is not high enough.
It's also listed in Sam's CB 162. A volume that I don't own.
The available schematics for all the other Citi-Fhone models show the same AC power plug pin configuration, so you should be OK in that regard….I just hope you don’t run across any “Silver Mica Disease” inside those old IF cans. Knowing the value of those internal caps and replacing them is a...
It looks like that GPS antenna was mounted just below the CB antenna’s coil windings. That probably didn't impact the SWR much. Especially if the GPS mount is made of plastic like I think it is.
So far this is my spliced version of the Sears 934.38260700 plus an enhanced PDF manual. For clarity I redrawn most of the long horizontal and vertical lines, but I may make additional improvements on it in the future.
Short story: Back in the day a fellow ham friend fried the PLL chip on...
It reminds me of an old Lafayette HE-45 6 meter radio. This is the schematic I found. I have a feeling the general layout is similar. Tube compliment etc….
I recently acquired an Instruction manual with schematic for the Granada CB-4. The Granada CB-4 and the SparkOmatic CB-1023 are basically the same radio. They were very common, and neither was covered by CB Sam’s or CBtricks. The radio examples I restored had bad finals and a few associated...
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