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I just pulled my service manual for this radio from cbc international. it states that all 4 radios use the same vr and L cans by number so they all use the same sheets. the parts will be in a different location but use the same specs. at least that is what it shows in the book I have.
The original "Galaxy Saturn" service manual had that board shown in it.
Here's the schematic for the original 5-band Galaxy Echo SSB and early Saturn.
Doesn't show the ID for the circuit board, but I'm pretty sure this is the "10A" board.
This came from a "Saturn Service Manual" published by Thomas Publishing in the early 90s. The rest of what I have is another 12 PDF files, one file for each of 12 more pages.
Please advise me to what is a good replacement mic for my SR-497HPC... Answer: 497 is "wired like Cobra", so many choices available. That radio does not need a power mic, so purchase a stock "coffin style" mic with a decent cord, like the ones that Astatic uses. The Superstar DM-507 is my go-to. https://www.ebay.com/itm/3050474478...adANq91JSiEEnz8EGqPJRBloTgEyaVsBoCtoMQAvD_BwE $12.99 + .99 cent shipping.
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