Astron rs 35a 35 amp linear power supply 25 amp continuous, 35 amp ics. Astron also builds custom supplies for ge, icom, e. Theyre considered among the best and are affordable for what they are. Listed under the technical referencepower supply category that is about power supply projects. Here is an annotated schematic of the astron rs 35m detailing the workings of the various parts of the astron circuit. The rear panel has a large heat sink and heavy binding posts. Rm50a, rm50m, rs50a, rs50m originally had a 2009 schematic that did not match the parts list. The circuit illustrated has been edited to conform to this model. Figure 7, rs 35m schematic this file is a scan of the rs 35m in png format. Rs35m astron 35a linear power supply, 35a ics 25a continuous, separate voltage and amp meters, 5x11x11in rs35m rs3a rs3a peak output current a 3 amps, output voltage vdc. Astron rs50 manual here is an original astron owners manual for the rs50m and others in the 50 series. Jun 21, 2019 astron vs35m variable dc power supply gets an upgraded mosfet overvoltage circuit most other manufacturer sites i have visited have pdf download files for their equipment.
In comparing to the 35 amp series such as rs 35m, the main. This dvd pc and mac compatible contents more than 100 service files jpg, gif or pdf adobe reader xi. Learn a quick way to see if the pass transistors are all working. However, on mine the output voltage under 14a load sinks to 12. I hope they might help others looking for the same info as well. Dc 12v 5a 10a 15a 20a 30a regulated transformer power.
A voltage meter is connected directly across the output. Astron power supply schematics pdf cdrom ke3gk ebay. For example, the rs35a can deliver up to 35 amps at. This video addresses some issues with an astron rs35a power supply. Here is an annotated schematic of the astron rs35m detailing the workings of the various parts of the astron circuit. Here is an original astron owners manual for the rs 50m and others in the 50 series. Click and view astron rs35m compatible items, primary or oem accessories, options. Mar 12, 2016 im not completely acquainted with the astron rs 35m, but its identical to the rs 35a, without the meters. Astron 30a desktop switching power supply w separate volt and amp meters, 30a ics 25a continuous, 3 3 4x7x9 5 8in.
Seems ive acquired the most current model so i felt compelled to submit the changes i found. Figure 7, rs35m schematic this file is a scan of the rs35m in png format. Thanks go to the arrl for permission to use their article, and to george henry ka3hsw for scanning it and pdfing it. Astron power supply ultimate service repair manuals.
The astron catalog includes each models continuous duty rating. Sep 12, 2012 astron rs 35m repair ham radio power supply electronics repair. Last summer, a friend brought me an astron rs35 power supply to repair. Vr1 is a v150la varistor that conducts at voltages above 150 v, protecting the supply against input voltage surges. Astron rs35a 35 amp linear power supply 25 amp continuous, 35 amp ics. Float modification for the rs rm35as schematic of the astron rs 35am with. Ultimate astron power supply repair service manual. It had been involved in a nearlightningstrike experience that fried the loading coil on an antenna, among other things. Manufactured as traditional power supplies, they utilize. When you are in need of reliable dc power supply, look no further than astron power supplies.
The problem was that as soon as the supply was switched on, it would blow the fuse. For windows pc if you use mac or linux let me know. Astron 35a linear power supply, 35a ics 25a continuous, separate voltage and amp meters, 5x11x11in astron rs35m javascript seems to be disabled in your browser. Astron rs35map 1115 v adj dc power supply 25 amps cont 35 amps ics wmeters and powerpoles. Vr1 is a v150la varistor that conducts at voltages above 150 v. Front panel controls provide current limiting and voltage adjustment, while dual meters monitor the output condition. About astron rs35m power supply schematic the resource is currently listed in in a single category. Troubleshooting and repair of an astron rs20m power. Rs35a, rs35m 87kb pdf, dated 595 donated by mike morris wa6ilq rs35m 498kb jpg, dated jan2000 donated by a. This astron hit the bench with the symptoms of very low voltage around one or so volts and high current up over 25 amps without any load connected. The main category is power supply projects that is about power supply projects and modifications for ham radio. I often misplace items like this, so im hoping this will help me take better care of these.
Ultimate astron power supply repair service manual schematics. Astron power supplies rs35a free shipping on most orders. If you downloaded this schematic in the past you may want to get a fresh copy and replace your incorrect copy. Find your next discounted astron power supply, we have great deals on all astron power supply at unbeatable prices now. Power supplies power supplies astron power supplies feature solidstate electronic regulation, emi filter, fold back current limiting for protection from excessive current and shorted output. Details about astron power supply schematics pdf cdrom ke3gk. For some new radio amateurs satron is a second language, and can better understand some electronics concepts and repairs via video youtube instruction or pictorial diagrams. Astron rs35m power supply schematic resource detail the. Apr 24, 2016 astron rs 50 manual here is an original astron owners manual for the rs 50m and others in the 50 series. Astron rs35map dc power power supplies fixed, rs35map. Theory and repair of astron linear power supplies wb1gof.
Rs35m 78 kb pdf, dated 102009 redrawn, corrected, and donated by stu martin k2qde this is probably the newest, most uptodate schematic available. The astron rs35m is a high quality, linear design power supply providing. Float modification for the rsrm35as schematic of the astron rs35am with. Im not completely acquainted with the astron rs35m, but its identical to the rs35a, without the meters. Item weight 25 pounds product dimensions 11 x 11 x 5 inches item model number rs35a is discontinued by manufacturer. Current stock status at these ham radio outlet locations. To open downloaded files you need acrobat reader or similar pdf reader program. Astron 35a linear power supply, 35a ics 25a continuous, separate voltage and amp meters, 5x11x11in astron rs 35m javascript seems to be disabled in your browser. The diagram was cleaned and expanded to include all four pass transistors.
Also, does anyone know of any rfi problems within certain bands for this supply. Those are often a useful expense, as most of us hide the supply away in some nook and cranny, where the supply and its meters are never observable. Nony mouse rs50m 182kb, dated 0100 donated by kevin custer w3kkc. The astron rs 35m is a high quality, linear design power supply providing. I have a vs 35m which is the variablevoltage version of your rs 35m and ive used it to power rigs from 160 thru 2m and have never had an. This link is listed in our web site directory since tuesday may 20 2008, and till today astron rs35m power supply schematic has been followed for a total of 9774 times.
These are usually noted for their reliablilty and robustness. If you buy a supply that has a continuous duty rating sufficient. Rs35a, rs35m 46 kb pdf, dated 051995 donated by mike morris wa6ilq. The astron line of power supplies goes back several decades, maybe longer. These are linear power supplies, not switching supplies, so they dont add noise to the rf spectrum and make radio communication more difficult like many switching supplies do. Troubleshooting and repair of an astron rs20m power supply. This power supply features both a volt meter and an amperage meter. In comparing to the 35 amp series such as rs35m, the main. Jun 11, 2012 i have an astron rs 35m linear power supply. I have a vs35m which is the variablevoltage version of your rs35m and ive used it to power rigs from 160 thru 2m and have never had an.
Astron rs 35m ap 1115 v adj dc power supply 25 amps cont 35 amps ics wmeters and powerpoles. Astron power supplies feature solidstate electronic regulation, emi filter, fold back current limiting for protection from excessive current and shorted output. However, this is an ics rating, for intermittent duty only. Astron builds supplies for several manufacturers for example a kenwood kps12 is based on the astron rs12, the motorola rrdn6933a is an rm35abb and the motorola hpn9041 45 kb pdf is an sl15m variant. The circuit board is assumed to be identical to previous models until it can be examined. The astron model numbers include their peak current rating. The front panel features an illuminated onoff power switch. Does anyone have the schematic for the rs35m, in particular the crowbar protection circuit. Does anyone have the schematic for the rs 35m, in particular the crowbar protection circuit. These astron corporation vs series linear power supplies offer continuous output current ratings from 9 to 57 amps at. This item astron rs35m 35 amp power supply with meter.
Crowbar overvoltage protection is also provided on all models except the rs4a. Astron diagrams, schematics and service manuals download for free. Scan contrast or resolutions are always different for a duplicate manual version. Chicken pox fact sheet cdc, disembarkation card japan pdf, club bell 5x5 yahoo, arbeit sido soundcloud music, gawai dayak pontianak 2015 form. Astron rs35m power supply schematic resource detail.
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