Download ASTRON RMA RMM RSA RSM V 25A POWER SUPPLY service manual & repair info for electronics experts. Download ASTRON RS35M service manual & repair info for electronics experts. ” TIP CAS. I ca IN ICAO. PвKE. | 39A. LM CR3 |. 3 A4. | IN 1 tci +. CI01 +. R8. 3 K. 10v. SCRI I.

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Looking for other manual? But this means that the line-cord on the power supply is also acting as the safety bond for the device I will say computer, instead of radio.

Picked up a used RSM. Astron sent me a manual in e-mail. This file is downloadable free of charge: It ended up being in one ground conductor that was not bonded correctly,it was a MCM cable that had 6 volts at amps running through it. astorn

Astron VS-35M Variable DC Power Supply gets an upgraded MOSFET over-voltage circuit

Repairing the Astron RSA http: Also some files are djvu so you need djvu viewer to open them. Two white LEDs with a single dropping resistor is all that is needed.


In addition, some files are archived, so you need WinZip rs-5m WinRar to open that files. If you are not familiar with electronics, do not attempt to repair!

How to contact Icom America Technical Support: Please, do not make a copy of the downloaded manual and do not offer to sell it, just use personally to repair defective appliance! I also thought maybe my meter lights were burned out, as some have noted, but on further searching found that since my unit has a fixed power cord, it’s r-35m older and never had meter illumination.

No manual is really needed but thought if one existed I would just store it. July 30, manal, This creates what is known as a “ground loop” that can introduce AC hum in to the DC supply ground return leg.

Also checked negative side of DC output: The Astron website appears to only have a catalog and no support information. April 27, Not sure what, if any, problems I might see as a result and am inclined to leave it alone for now. Powered by SMF 1.

Checked earth safety ground to chassis resistance: If this is something like a radio or a piece of industrial process equipment where there are distributed connections to the earthing system then it can introduce problems. You can write in English language into the forum not only in Hungarian! I had called Astron but they were not very helpful, only saying “it depends” and not offering any rationale.

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Astron VSM DC power supply

August 14, The schematic is really all you need. July 31, Now I’m hoping that older units were built better and rs-53m one will last me a good long while.

As for manuals, I wasn’t aware they had one or why a person would need one. May 18, July 28, Had a typo above corrected in red. You can login to do that! While the Astron Linear PS designs have changed through astorn years — largely due to changes in electronic components RoHS, obsolescence, etc. Anyone have a copy or know where I rs-35mm obtain it? Searched all over for copy of whatever manuals might have been available but cannot find anything.