MFJSHM@groups.io | Ameritron 811H blowing fuses
Oct 4, 2022 · As far as the fuses go, it typically blows the fuse on the right rear corner of the amp. The fuses are 12 AMP ceramic fast-blow fuses, as per Ameritron's requisite. Right now I have the amp in the kitchen running, hasn't blown a fuse.
AL-811h amp blows fuses on TX : r/amateurradio - Reddit
Removed one tube, put the case back on, one fuse blew while the tubes were warming up without doing anything else. I'm pretty sure that indicates one of these tubes is bad (or I've been ordering shitty fuses). That's basically all the safe troubleshooting I can do right now without more …
Ameritron AL80B AL811H AL572 Amplifier Trouble …
3.) Amplifier blows fuses when power switch is turned on (always use proper 250V fast-blow fuses), blows step-start in other amplifiers. Check for shorted tubes Remove the plug from outlet, remove the cover, and remove the top …
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811H Fuse Blowing - WorldwideDX Radio Forum
Jan 11, 2022 · Having a strange issue with my amp but only had one set of spare fuses so while I wait on more to come in the mail I am hoping on some insight on where to start troubleshooting the fuse blowing problem. General: Icom 7300 > ARB-703 > Ameritron (ALC/Relay cables to …
AL-811 Problem - WorldwideDX Radio Forum
May 9, 2010 · No evidence of a diode blowing out, so I ordered 4 matched 811A's from E-Bay and will have them on Wednesday. I will replace all 3 tubes and that will leave me with 3 extra's as needed. I have the factory installed Tubes from Ameritron, no idea who the manufacturer is …
Needs fuses for Ameritron 811H- who ships FAST? : …
Are the fuses in it blown? You don't need to change the fuses to change the amp from 220v to 110v, just rewire the transformer. I don't know who would carry the original 12A Fast Blow Ceramic fuses locally, but they have them on Amazon with prime.
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Ameritron AL80-B blowing fuse on power up
Jan 18, 2017 · Checked the fuse yet? First knee-jerk thing to suggest is the filter capacitors in the high-voltage section. There should be a four-digit number on the filter capacitors, possibly preceded by a three-digit manufacturer's ID code in …
Re: [Amps] al-811 Blowing fuses Like Crazy - Contesting
A little up so I pushed the tues ack down and put > >>>> new fuses in. Still blows them everytime within about a second. I look > >>>> over the amp and I have never worked on them before.
Vintage Tech: Amplifier Ameritron AL 811 troubles - YouTube
Dec 12, 2021 · Follow along using the transcript. Ham radio amplifier was blowing fuses. Took it over to the bench to see what was going on. Pretty simple "fix" overall.
Ameritron AL-811H Service manual
Locate the fuse pack with the two 12 ampere fuses and fuse caps. If additional screws are needed, they will be in the fuse pack also. NOTE: Fuses supplied are for 120/110/100V
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