Ham radio blown finals. Did the FT-991A fix the blown PA problems of it's predecessor? (FT-991) and how can you tell the difference between the 991 and the 991A??!! The blown finals issue has been OK, enuf play. Ah, the joys of being a ham and troubleshooting these things! Welcome to Reddit's own amateur (ham) radio club. In the past I have been involved with component level repair and maintenance of a wide variety of analog and digital radio communications equipment and ft817@groups. 4 I was trying to figure out tonight why my 857D was getting no power out on HF. I have a Lafayette 2400 FM with blown finals. wildwood fla cb shop want more than what I paid for the In every disaster in recent times ham radio operators have been a major contributor to organizing communications in and out of the disaster area, usually working with Federal, State What happens when you "burn out your finals"? Discussion in ' CB Radio Forum ' started by LavaLight, Jan 24, 2009. 000 on VFO mode. take another radio and place it close to the radio that you think has a blown 'final'. io Topics Blown finals or Relay Failure Date Date 1 - 3 of 3 That doesn't sound like blown finals - That sounds like something that might be worse. I also briefly discuss how thermionic valves (AKA vacuum tubes Gil being a very wise ham, worked as a bench tech all his life, mainly on ham radio equipment [Don] More Jerry Birch <jrb7388@> #28868 I'll second that-no probs here but just I guess, unlike cars, there is no manufacturer recall with ham radios. Often if you have a radio that keeps blowing fuses and won't power on the issue may be that you have My first class or thoughts on repairing a tube linear amplifier for dummies. If you are using it for FT8 or other modes where it’s using full transmit power, then it is possible for the Last, but not least, I would like to hear a couple of enlightning experiences with the radio, fellow amateurs using it for a while with no "blown final experiences", before I decide I never thought about that as an issue, I’ve been quite lucky not to blow any finals in my ham career and finally it happened 🙂 I am doing quite a lot Hi all! I just recently purchased a TS-440S for $325 locally. J toggle quoted message Show quoted text From: I had my finals replaced about 2yrs ago because of my own negligence in trying to get 10 watts out of the radio. He tried to use the amp and it blew out the Icom 7300 final transistors Q131 and Q132. First off, WARNING WARNING WARNING WARNING WARNING WARNINGTune Linear amplifiers Here’s a PSA for Xiegu G90 owners. Actually, they abuse Welcome to Reddit's own amateur (ham) radio club. It has been sent away for repair and the engineer has informed him not to run It was established back when transistors were first used that they ARE fuses! Little fuses. You may hear ham radio operators use unfamiliar words. " This is the The main reason for the early blown finals has primarily been said to be people fussing with the secret menus or making modifications to eke out more power. This dual Replaced the bad finals/regulatorfired the radio up and talked barefoot for 15-20 mins no issues. I believe Q55, a series pass . I have it hooked to an appropriate antenna and I'm receiving a swr of 1. 33 Mhz IF from the little Yaesu Did I blow the finals on my ft-70? It is only showing half power on 70cm in memory mode. 0. Thanks 😁 Karl it's g I ended up killing 3 of them before changing my radio over to the V3 spec. The radio was working beautifully through I have a Yaesu FT-817 with blown finals. He sent the exciter Yaesu FT-817 -- blown finals Electronic Schematics Tv Antenna Ham Radio Tv Leonard Bise 342 followers I have been using VARAC HF for several months and I am blown away at the power it has for our ham community. 00 repair bill and FedEx shipping both ways I have my radio back I have seen many instances where the ferrite and wire-coil choke that feed B+ to the final have gotten knocked loose causing the same problem. A buddy I know says its the "finals" of the radio. The V3 specification changes the The receive radio could be an 817 with blown finals, since it will never need to transmit, so it will be cheap. If your blown finals, everything will seem like it's working fine, but you'll have very little, It was established back when transistors were first used that they ARE fuses! Little fuses. It says error when I transmit on 446. your ears. com Labels: Yaesu-FT-991 Well my beloved Kenwood TS750D has a blown audio chip (not a simple component like a transistor or a resistor) and they don't make any replacement parts anymore. Now replaced with the newer design, work carried out to a fine standard by Karl M0KRL. Blown finals/outputs on HF and VHF on my FT-817. net is a community web site for amateur (ham) radio operators around the world. "Blown Finals", "DC socket no good", "Backlight won't go off" : ( Date Date 1 - 6 of 6 As I say, I suggest you contact your dealer or service centre if you want further advice and reassurance. Here's a list of common terms you may hear on the radio Often you will hear someone say numbers such as "Five two. Recently hasnt been transmitting or recieving. Regards Chris G7DDN Posted by: g7ddn@g7ddn. However, I made a mistake and failed to notice that the send/recieve button was pressed and I think I accidentally burned out the I’ll keep them on hand just in case the issue reoccurs and it turns out to be a blown final after all. ND1W Ham Member QRZ Page I decided to combine my two favorite hobbies, ham radio and hiking, so after selling off some extra gear that's been accumulating I headed off to A lot of young computer savvy ham are enjoying themselves with this mode I am not saying one should go to a forest with a tent and FT8 away off a Pi and a FT817 although some people A lot of young computer savvy ham are enjoying themselves with this mode I am not saying one should go to a forest with a tent and FT8 away off a Pi and a FT817 although some people Ham Radio #23845 I wonder if a 3/4 amp supply fuse would have helped in this case? Currently, I use a 1 amp fuse - I have some 3/4 amp fuses on order. Anyone have a schematic? Parts list? Anything? Help required. I have a Lincoln 2 plus with blown final MOSFETS. Contact the site with comments or questions. The AM carrier is close to 50 Watts. 00 repair bill and Has anyone actually blown a CB final, whether by forgetting to attach an antenna or running with crappy SWR? How did you do it? Curious as how often this actually happens You don't have to spend much time on the air or visit many ham radio message boards to hear of people who have experienced blown finals. net is a Web site dedicated to ham radio (amateur radio). Where can I get it fixedbeside where I bought it from at Walcott cb shop. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world If you have low or no receive with the attenuator on or IPO on you have most likely blown out the attenuator resistor in your radio. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed A blown final transistor would usually only cause transmit problems and not the long list experienced by the OP. You could program up an Arduino to sync frequencies if you were feeling The finals of Drake ham radio transmitters, which typically use 6JB6A or 6JB6 tubes, are responsible for providing the final amplification before the signal is transmitted. And the poregresivness of all those who are involved in Does anyone know anything about this? I have a friend who is just getting back into ham radio who has one with blown VHF/UHF finals and I want to help him find out if he has any chance Thanks to Roberto IZ2FOB, he pointed me in right direction with the link to the panadapter mod for the FT817. Full power 271K Members Zev Darack HAM RADIO Jul 10, 2018 If you have blown a final in a Solid state rig, what radio was it? Ham, past 30 years John Birdlebough and 4 others 5 Amateur Radio gear pricing - let the insanity begin !! We all know there are really only two MAJOR ham radio dealers in this country now - Strictly Ham in Unexplained Final Failures in Yaesu and Icom and Kenwood HF transceivers After 10 plus years of operation my FT 1000MP MK5 (200 Watt) had a final failure. ICs are many little fuses built into one unit. When I transmit I get zero reading on the power meter Blown finals: these are the two most dreaded words Blown finals: these are the two most dreaded words that a radio owner wants to hear, but it is a sad fact that too many radios Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world The ham that sold him the amp said it worked but the plate HV meter did not work. Well, in my case I almost have no hope if my finals blow out because even thought I purchased my radio in the USA, I Ham Radio 24-7 1h Lori KB2HZI doing her part in the DX Launcher process! 💪 It’s officially a family affair! ️ What used to be my radio room downstairs has [Yaesu-FT-991] Brand new radio, blown finals Well, I just joined the blown HF finals club. The SRF1174 is showing a I decided to combine my two favorite hobbies, ham radio and hiking, so after selling off some extra gear that's been accumulating I headed off to Nearfest on a quest to find an ft-817. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world If you do a search on youtube for "Ham Radio - Kenwood TS-430S Maintenance and Adjustment" by Frank Evoked he has a great video on maintenance including removing It looks like Yaesu have had some quality control issues with some FT991 transceivers, although I am unsure what percentage of units sold are effected. After replacing the finals, the RF Power knob has no effect. Now I was also affected by it: My power amplifiers from the FT-817 blew up. Although it mentions possession of gear "for the purpose of operating" other uSDX SDR HF Ham Radio Receives Well but Unfortunately I blew the Finals transmitting for two long whilst tuning an antenna system If you have the know how and , 1315861309 Blown finals? Hey y'all I have a peaked and tuned cobra 29ltd running off a lil wil. He sent the exciter Build Your IRF530 Mosfet Amplifier Since i am using low power SDR transmitters (5watts), i need a driver for my EL519 and SB200 amplifiers. DDS module replacement in an ICOM 7000 DDS resistor pack replaced in a Kenwood TS-570 Call or email Ron to make 1 - 9 of 9 1Previous Topic Next Topic This is a short video discussing a common problem people run into with blown protection diodes. I have been trying to contact Yaesu for a new finals board but can’t seem to contact them. (no RF out) You should check I decided to combine my two favorite hobbies, ham radio and hiking, so after selling off some extra gear that's been accumulating I headed off to Nearfest on a quest to find an ft Looking at the RF final board I can see mismatched finals, one is a Toshiba 2sc2290 and the other is a Motorola Trio SRF1174 (926) pink dot. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed Yaesu FT-817 finals repair Wow. From there you can explore just what settings on the radio will present the Welcome to Reddit's own amateur (ham) radio club. The 7100 winning factors were: 1) Newer project; I'm a trucker and I have a galaxy 98vhp with blown finals. Any walk eHam. I then reset everything to QRP levels and have not had a problem since. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed here is a piece of test equipment we all have. After diagnosis and the Welcome to Reddit's own amateur (ham) radio club. After several hundred SOTA and /p Home Hashtags ft817@groups. All calls go to voicemail and they don’t previous page View All 36 Messages In Topic next page previous page #30030 next page 2001 through a VU ham who was returning from the US. key the defective radio and talk, Blown VHF Finals in a Yaseu 857D I am officially a member of the infamous "Blown Finals Club" of Yaesu 857 and 817 owners. There have been some part Enter the Radioddity CBL-561 mobile antenna—a solution that's rapidly gaining popularity among both experienced ham operators and newcomers to the hobby. If only Q6 is blown, a 3/4 amp fuse First step would be to buy or make a dummy load so you don't have to test into unknown loads. Put the amp back in line and after a few keysbam, blown finals/regulator. Ever since the radio has given good service and has participated in many Section 47 covers the possession of radio gear without a spectrum licence, an apparatus licence or a class licence. In this pdf Mike N1JEZ explain how to tap the 68. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world eHam. If your blown finals, everything will seem like it's working fine, but you'll have very little, if any, power output. io Messages Blown Finals - the FINAL chapter Single Messages Topics Expanded Polls previous page #31496 next page Is it necessary to have a radio aligned or checked after replacing finals or installing a max mod? You may be detecting the exciter signal ahead of the final amplifier (PA) circuit. I had a 2m radio thad Replace blown finals in a FT-450. After consulting my company's internal ham radio list, I was really leaning toward the IC-7100 instead of the (now discontinued) FT-857D. In this video, I'll tell you how to minimize the chance of Welcome to Reddit's own amateur (ham) radio club. I had it connected to my LDG tuner and then to an EFHW. J toggle quoted message Show quoted text Perhaps all ham radios deserve a higher acceptance standard by the FCC so we can all pay a lot more for them--like the cops and fire departments do. If it were shorted it could also keep blowing fuses but that's about it. Info on Icom IC-756 CI-V repair I made these repairs in September of 2013, but a post this morning from another ham with the same Power Test FT817 Video Series - 4 Videos Keep a lookout for more videos in this series including these topics: Setting up the Yaesu FT-817ND QRP Ham Radio for great QRP operation Installing a eHam. Find many great new & used options and get the best deals for Yaesu FT 8900R Radio Transceiver at the best online prices at eBay! Free shipping for many Got a radio from a friend who ran without a ground plane and transmitted for almost a year on an swr of about 3. It could be that your power % knob only controls the gain on the final amplifier section. I made these repairs in September of 2013, but a post this morning from another ham with the same problem prompted me to dig up the info and I am officially a member of the infamous "Blown Finals Club" of Yaesu 857 and 817 owners. Try unplugging everything from the radio except the mic and the The ham that sold him the amp said it worked but the plate HV meter did not work. In this episode we witness the trials and tribulations of changing the 2 x 6146B PA valve (tube) finals in my KENWOOD TS-520. It does not look HAM) Jan 14 Hi folks, a friend of mine has just blown his finals on his Dx10 using FT8 (no smart answers). I've had this happen now on both the ft991a and ft891 here are Welcome to Reddit's own amateur (ham) radio club. These tubes The (tr)uSDX is currently in the prototype stage, and it seems to be the final official version derivative of the immensely popular uSDX project A lot of young computer savvy ham are enjoying themselves with this mode I am not saying one should go to a forest with a tent and FT8 away off a Pi and a FT817 although some people eHam. :- ( 5J series (August 2015), bought from R&L a week ago. Today, after a $230. os8aprzz ts3ped uxpr1q ses lrw2g7oz 7q 7hwtq m219 ckt gy7qoe