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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There are also Battery “BB” versions of the power supply. Most other manufacturer sites I have visited have PDF download files for their equipment.

Also some files are djvu so you need djvu viewer to open them. If you have rs-3m5 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. I’ll recheck meter zero, which I think was good, and then adjust pot R inside, as necessary.

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

Please, do not make a copy of the downloaded manual and do not offer to sell it, just use personally to repair defective appliance! But this means that the line-cord on the power supply is also acting as the safety bond for the device I mmanual say computer, instead of radio. The problem had been there for years but it was due to a fault in the way the substation was designed. 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.


I found that site and referenced it above also. On further searching, I found a wealth of info here: Had a typo above corrected in ts-35m. While the Astron Linear PS designs have changed through the years — largely due to changes in electronic components RoHS, obsolescence, etc. The Astron website appears to only have a catalog and no support information.

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

Instead, contact your nearest service center! You can login to do that!

Icom America does answer their telephone for support calls. Good luck to the repair! Gs-35m I need to try someone else there. If this is the reason, announce it with the blue man icon on the top and I remove it.

Checked earth safety ground to chassis resistance: You could suffer a fatal electrical shock! I have seen this happen with a substation where we have this gigantic buried ground mesh. New to Ham Radio?

Is this the correct site? Also checked negative side of DC output: I cannot find anyhting on Astron’s website, except their catalog. When you get a transient lightning, fault, normal device switching it can behave in difficult to predict ways.


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

I provided my serial number and they were able to tell me it was manufactured in May serial: As for manuals, I wasn’t aware they had one or why a person would need one.

I switched it on and just checked unloaded voltage with my DVM I had called Astron but they were not very helpful, only saying “it depends” and not offering any rationale. This file is downloadable free of charge: It ended up being in one ground conductor that was not bonded correctly,it was a Mxnual cable that had 6 volts at amps running through it. If you are not familiar with electronics, do not attempt to repair!

There is no preview for this item! July 28, How to contact Icom America Technical Support: