Astron rs-20a manual pdf

We offer astron power supplies as a high end solution for a 12 volt power source. The rear panel features the power output terminals. At one point i was visiting a client in in irvine and used the opportunity to stop in at astron to pick up a rs20a and rs35m schematic, and casually asked if i could buy the lower half sheet metal of an rs20m plus the meters to upgrade my rs20a to an m series. I would be much obliged for any advice as to what to look for first as i try to repair it. Today i was in the middle of a qso, when my astron rs20a amp and kenwood ts 570s shut down. 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. Rs50a rs 50m rm50a rm50m service manual by astron, transcribed by bob wa1mik kb pdf. Ultimate astron power supply repair service manual. Nowadays it may be easier to just buy the bb version from astron but sometimes its more fun and more educational to roll your own. To open downloaded files you need acrobat reader or similar pdf reader program. Rs35m 87kb pdf, dated 595 donated by mike morris wa6ilq. Analytic systems pws11012 110 to 12v 60a converter bench tested good. Note that there is a limit to the number of files you can download.

Schematic for astron model rs20s power supply service. Less than 5mv peak to peak full load and low line load regulation. Sincerely, carl kb2kdv possibly a bad pass transistor. If you have some stuff that not is listed here you can donate this by contact mods. The owner replaced the 5 amp fuse with a 20 amp item. Nts manual, ham aid, public service resources, public service honor roll, nts, volunteer form for deployment consideration, puerto rico caribbean recovery 2017, 2018 hurricanes, hurricane maria 2017, hurricane irma 2017, hurricane harvey response, ares, served agencies and partners, skywarn recognition day, 2019 hurricanes. This auction is one of our largest yet, and features both early and newer ham gear, a great, single owner collection of military radios and accessories as well as some fantastic vintage audio equipment, and many great pieces of. Astron rs20a 11 15 volts adjustable dc linear power supply 16 amps cont 20 amps ics. Dear newsreaders, i have a astron rs20a power supply that has started blowing its fuse even without a load. Astron 20a linear power supply with battery backup, 20a ics 16a continuous, 5x9x1012in astron rs20abb javascript seems to be disabled in your browser. Crowbar overvoltage protection is also provided on all models except the rs4a. If you buy a supply that has a continuous duty rating sufficient. Feature foldback current limiting to protect the power supply from excessive current or shorted output.

Fold back current limiting protects power supply from excessive current and continuous shorted output. Astron power supply index page astron ss30m service manual. Free shipping on many items browse your favorite brands. An old reliable astron rs20a which has been performing flawlessly for years and a newly acquired powerwerx ss30dv. Download astron rs20s schematic for astron model rs20s power supply ham radio, amateur radio, two way radio, cb radio, walkie talkie service manuals and reapir information. Theory and repair of astron linear power supplies wb1gof. Two components to check for failure inside your astron rs 20a.

They routinely had to educate new radio amateurs, desiring save a few dollars asking to buy the rs20a, about the definition and meaning of icas versus ccs ratings. It is a totally separate operation with no connections to the astron corporation that makes power supplies. Astron rs12a 11 15 volts adjustable dc linear power supply 9 amps cont 12 amps ics. Schematics and service information on astron power supplies. This unit is in perfect operational condition and is in very good physical condition. Part 4 how to set up a homebase cb radio station in an apartment complexoff grid power supply. Vr1 is a v150la varistor that conducts at voltages above 150 v, protecting the supply against input voltage surges. Astron power supply ultimate service repair manuals schematics on dvd. Astron rs50 manual here is an original astron owners manual for the rs50m and others in the 50 series.

A voltage meter is connected directly across the output. 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. Two components to check for failure inside your astron rs20a. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. The astron model numbers include their peak current rating. Why choose rockwell automation for your astron rs20a repair needs. Inexpensive parts, but does require a bit of knowledge and vom or dvm transistor testing. Yes, but the price was over 23 of the cost of a new supply plus shipping. Astron also builds custom supplies for ge, icom, e. When using an rs series power supply with your cb radio or amateur transceiver, you will have less noise and other power related issues. Free shipping applies to customers in the usa and please email for shipping rates elsewhere. Get the best deals on astron rs 20a when you shop the largest online selection at.

Proven process for remanufacturing of ab family of products and repair of nonab products. When you are in need of reliable dc power supply, look no further than astron power supplies. Astron 20a linear power supply, 20a ics 16a continuous, 5x9x1012in. Service manuals, schematics, eproms for electrical technicians. Troubleshooting and repair of an astron rs20m power. Maintain regulation and low ripple at low line input voltage. Scan contrast or resolutions are always different for a duplicate manual version. Most hams esp ots would say the linear is the best, more reliable and the cleanest ps you could choose. Astron diagrams, schematics and service manuals download for free. 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. Astron power supply ultimate service repair manuals. The astron is of course a linear power supply and the ss30dv a switching power supply. The astron catalog includes each models continuous duty rating. In comparing to the 35 amp series such as rs35m, the main.

Front panel cigarette lighter socket on model rs4l. Schematic of the rs12abb 120 kb pdf factory battery backup schematic donated by john lund. However, this is an ics rating, for intermittent duty only. Haha, i know this is a old video but, i just found it as i was looking for specs on mine and this poped up and i thought cool, that power supply.

The astron rs series are continuous duty power supplies designed to withstand the rigors of heavyduty or industrial use. Astron is a company known for producing top quality products that stand the test of time. Rm50a, rm50m, rs50a, rs50m originally had a 2009 schematic that did not match the parts list. But for home base use this one and other astron metered versions are excellent. At one point i was visiting a client in in irvine and used the opportunity to stop in at astron to pick up a rs 20a and rs35m schematic, and casually asked if i could buy the lower half sheet metal of an rs20m plus the meters to upgrade my rs 20a to an m series. Float modification for the rsrm35as schematic of the astron rs35am with.

For example, the rs35a can deliver up to 35 amps at. All of this was done a couple of years before astron came out with their bb option. They routinely had to educate new radio amateurs, desiring save a few dollars asking to buy the rs 20a, about the definition and meaning of icas versus ccs ratings. This can damage the scr or a seriespass transistor, thereby damaging the and i can tell something is burned up because i smelled it we used 2 halogen fog lamps at 9.