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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If you can’t find the schematic of the RSM, let me know. Sorry I just had to. We’ll see you in a couple of weeks it’s that deep of a bench.

ASTRON RS35M Service Manual download, schematics, eeprom, repair info for electronics experts

Dragging up an old topic. When you get a transient lightning, fault, normal device switching it can behave in difficult to predict ways. Please, do not make a copy of the downloaded manual and do not offer to sell it, just use personally to repair defective appliance! 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.

There are also Battery “BB” versions of the power supply.

The only way to find out is to try it I guess. I cannot find anyhting on Astron’s website, except their catalog.

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

How to contact Icom America Technical Support: Trying to balance out our three phase loads we noticed that there was an unaccounted for power loss. I switched it on and just checked unloaded voltage with my DVM I’m thinking maybe the Astron should be set that way too if iCOM designed their “system” that way.


Contact the site with comments or questions. I found that site and referenced it above also. Also some files are djvu so you need djvu viewer to open them.

To open downloaded files you need rs-35mm reader or similar pdf reader program. May 18, These free programs can be found on this page: July 30, If you are not familiar with electronics, do not attempt to repair!

Most other manufacturer sites I have visited have PDF download files astro their equipment. There is no preview for this item! Picked up a used RSM. In addition, some files are archived, so you need WinZip or WinRar to open that files. If you have grounds on your radio equipment at other places like the antenna, tower, coax you are creating two earthing ground return paths of different capacity and with ever so slight differences in potential.

You can login to do that! The Astron website appears to only have a catalog and no support information. Usually this would be much more pronounced on instrumentation loops industrial control with pressure transmitters operating off of a mA current loop for example. I had called Astron but they were not very helpful, only saying “it depends” and not offering any mznual.


Two white LEDs with a single dropping resistor is all that is needed. Good luck to the repair!

It appears you have a handle on operating the unit, even to the point of correcting meter errors. New to Ham Radio? The only other related thread I found so far is: The LEDs can be attached many ways, including a hot glue gun. 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.

No manual is really needed but thought if one existed I would just store it. The last I checked Astron website had schematics of all their linear power supplies.

While the Astron Linear PS designs have changed through the years — largely due to changes in electronic components RoHS, obsolescence, etc.

April 26, April 27, Also checked negative side of DC output: For some new radio amateurs English is a second language, and can better understand some electronics concepts and repairs via video YouTube instruction or pictorial diagrams.

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