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Thanks for the video and all your hard work especially talking in English which makes it easier for me and many others. Thanks again.
thanks for feed back
Nice work Peter, most hams today wont or cant work on their own gear, whick is a great pity.
That aspect of it to me is the most gratifying.
TS940 and Kwm380 on the bench.
73!.
From my point of view it is very important that all fellow radio ham get the information that those radios are fixable...Thanks for comment William
Enjoyed the fault finding and repair. Thanks again for sharing the repair.
Seen a few of the videos of the TS-50 and really like how Kenwood designed them. That is one solid little radio, no wonder you like them. Cheers, VE3NAP
Hallo Peter, wieder eine tolle Arbeit bei deinen Reparaturarbeiten. Meine TS-50s schafften locker 180W-PEP. Um ein Überhitzen der Finals zu vermeiden, habe ich den Lüfter im Standby-Modus mit niedrigen Drehzahlen drehen lassen und mit steigender Temperatur während des Sendens mit höherer Geschwindigkeit betrieben. Diese Radios waren solide gebaut, um lange zu halten, aber viele von ihnen hatten Kühlkörperprobleme, selbst wenn sie vom Eigentümer nicht berührt / nicht modifiziert wurden. Schönen Sonntag & 73
I have a radio scanner that is doing the almost same thing. I figured it was a Cap. Will look there first. Thankyou Peter, enjoy your videos.
Good luck with your scanner! Thanks for comment
On my TS-50 I had the very same problem - an oscillating audio amplifier. After replacing all the electrolytic caps, the fault persisted. Eventually I soldered a 100 nF cap parallel to C124, that cured that nasty sound. Since then, it works like a charm.
Nice exorcism of the evil crapacitors, causing the zombified victim to howl in pain.
Really enjoyed the video Peter!
The TS-50 is a brilliant radio and I wish I had not sold mine.
lol fantastic this made me laugh. Thanks for feed back.
Sir, the things you do are complete magic.
Thank you for these video's!
Thank you
Hello Peter, again a great job on your repair work. My TS-50s did easily 180W-PEP. To prevent from overheating finals I made the Fan spinning on low rpms during standby mode and running higher speed with rising temperature while tx. Those radios were solid built to last but many of them had heatsink porblems even untouched / unmodified by the Owner. Happy sunday & 73 de Your Friend Uncle Guenter
A fan is a game changer for sure! Thanks for comment 73
Thanks for the education. I have a TS-50 which is working 100% but would like to have the caps replaced before corrosion sets in.
Show, nice work as always, and what's most important is the moon that comes with the repair. Thanks for sharing. Great weekend everyone
thanks for watching
Great job, as always, Peter. I don't think I've ever heard a radio crying out for help! Wow, first one! Can't believe all the 22 uF were bad. Must have been a bad batch. 73 from W Rusty Lane K9POW in eastern Tennessee
Always a good day when the first component checked is the defective part. Great job Peter. 🌟
Thank you
What we Brits call motorboating. Younger generation will be snigering at that.
Yes quite popular on TYTs
lol not heard so far..And yes the younger generation has its own language..
i bought a ts50 when they first come out. incredible radio. only one problem no processor.
Thank you for the wonderful information. Very interesting. I have a TS 50 and I will now be able to identify what to replace if I have a similar problem. 73 N6PKT
Thanks for feed back
Another beautiful diagnose and repair , I knew it was capacitor problems from the beginning as I have owned 4 TS50's and all of them have leaky cap syndrome at some stage. What I didn't know was where to directly go as you did...... I would have just swapped out all caps as I have done before..... Thanks for a great start to the year Peter..... best regards from New Zealand
Thanks for feed back
Excentent job Peter. Looks like you caught that one just in time. Everyone I get the pcb is already destroyed with makes the repair hard. Thanks for sharing my friend.
Thank you my friend. Yes it was just in time to fix the issue. I have seen like you much more destroyed ts50.. Take care!
Wir lieben Ihre Videos! Machen Sie weiter so. sehr unterhaltsam.
glad that you liked it!
Hi Peter fantastic video. You gave new life to the Kenwood T 50. As always you do an awesome job. Thank you for sharing the video it’s always a pleasure to watch you work, Most people were either leave it on the shelf in their closet or just get rid of the radio. Take care and stay safe.
WD5ENH
Steve
Thank you Steve!
bet he knew exactly what was wrong as soon as he heard that scream! so much respect for your knowledge thanks for the video.
Thank you
Nice work there Peter & love the explanations, camera angles & your reasoning why you carry out certain actions.
Always a pleasure to watch and enjoy your videos & thanks heaps for sharing.
Happy new year to you & all you family & loved ones
Really glad that you liked the video! Thank you
Hi Peter,
Nice repair of those pesky SMD capacitors. Stay safe. 73 WJ3U
Hi Don...never know who is hanging around in places other than DXE livestreams! ;-) 73 - Dino KLØS
@@PapasDino Hi Dino. Well, I'm subscribed to 157 channels, so the chances of meeting elsewhere on YT is good. You and Toby stay safe. 73 WJ3U
@@DonDegidio You have me beat...only 140 on my side LOL! 73
Thanks Don
what only 140 Dino? you have to catch up quick lol
Sunday morning, some time for myself: TRX Lab time. You know i like TS50, so it was a pleasure to watch another repair to save those oldies. I have a handy Sencore cap substitution station, it helps a lot for work like that, or tuning mic path for example. 73 de Olaf and stay healthy, Peter.
Ahh really had already a bit worries that all is fine...Yeah we both are ts50 fan boys..You was able to find a good working/condition substitution station? not easy these days.. 73 all the best
@@TRXLab Sorry Peter, hese days are quite busy, but be sure that i view all your vids, won´t miss a thing;-) You mentioned it: I bought 2 pcs from the states, one is working fine upt to 50µf, the rest is leaky. There are some odd tripple caps in it, it will have to spend a bunch of caps and time, but it is worth it. All caps are 450V rated, quite handy. I habe a small tester with ceramics for the audiopath. Perhabs i will send a pic from inside the sencor to you with E-Mail. 73!
ja kenne ich mit der Vollberschäftigung lol. Diese Sencore sind wirklich klasse von der Idee, nur leider sind die viel zu oft getoasted worden, oder wie du schon sagst diese komischen Elkos sind nicht mehr gut. Aber ich denke es ist eine gute Idee ein gut erhaltenes Exemplar zu kaufen und dann muss man halt neu machen. Auch die komische Aufteilung bei den Elkos hat mich immer gestört. Na ja, wenn genug Platz im Gehäuse ist, sollte man alles einzelne Elko aufbauen mit 450 Volt. Mir gefällt dieses konische parallelschalten nicht im Original. Auch die Drahtwiderstände sind kritisch wenn die verbranntt sind, da auch Sonderlösung. Komisch das wir so etwas hier nie gefunden haben. Auch König der ja ein wenig wie Sencore gearbeitet hat hatte soetwa nie im Programm. Da waen die Kollegen in den Staaten weit vorn damals...73 alles Gute
@@TRXLab Vollkommen richtig, die US Kleininstrumente und Werkzeuge waren viel zahlreicher. VTVM, S-Tracer, Cap Leakage Tester, R und C Dekaden...gabs bei uns so gut wie nicht, oder extrem schlecht...Wir konnten nur HighEnd gut. Eigentlich müsste man ,al wieder etwas entwickeln. Paul macht es ja, die kleinen Alltagshelfer. Bin schon neidisch auf Deinen C-Checker von Sencore (der neue). Aber Für 1000.- USD tausche ich lieber weiter auf Verdacht. Da müsste mal ein Schnäppchen kommen. LG an Dich,Peter. 73. Freue mich auf Part II der Restauration.
Your very Kind and Generous with your time and efforts. Thank You
And a big " Welcome Back ! " to you as well Peter. It's been too long LOL
Thanks you but I was always here ;>)
Good morning. I enjoyed the whole video. I had this device which I unfortunately sold many years ago. I have wonderful memories, it is a wonderful radio. I love it!
Thank you
Great video as usual. I just wish I was close to you so you could re-cap my TS-50 before it has issues. Oh and fix my TS-930's vfo, and while your at it at least three other of my radio's that need some TLC! 73, N9XFX
Thank you but there are some good shops near by...
Those electro SMD Caps do NOT hold up like the older caps back in the 70's , 80's and even the early 90's caps.... SMD's were getting really popular when I got out of the business in 1998........I buy Nichicon and Rubicon caps only , If I can use a old style cap and cut the leads short , then bend them sideways close to the board I will do that , MORE life from the cap like that .... GREAT video as always Mon Ami .....
Hi Peter, after 33 secs of this vid I wanted to make this reaction. Whatever comes next, this one is epic already. You opening the vid with your enthusiasm with a look to you it being a kind schoolboy naughtyness, saying that this Kenwood having problems of getting turned on, well, EPIC!!! Have a great day :), enjoy winter over there in Austria. Greetings from the Netherlands!
LOL You got me...Thanks glad that you liked it
Nice video Peter. Good explanation of where to start looking for the cause.
Thank you Bill!
Hello Peter, thank you for the video! I have the exact audio issues with my TS-50 when powered up. Great work!
Thank you
really appreciate your videos I learn so much. I wish I had a setup like yours.
Thank you!
Another very nice video. TS-50 is critical with leaking capacitors but you have done a great job Peter. Best 73s Pasquale IW0HEX
Yea the caps are a pain in the back..Thanks for comment!
Enjoyed the ‘hunt’ again!👍☘️
Thank you
Excellent work and fault-finding 😎 👍
Thank you Bob
Very nice work and explanations. Thanks for sharing all the videos, I'm learning a lot from them.
Thank you!
Nice job Peter: SMD electrolytic caps are a pain, I absolutely detest them.
Those SMD electrolytics are a real pain and cause all sorts of issues with older electronics. Very neat job Peter. It must have been difficult to get them out with all those plastic connectors so close. How did you remove them? All the best Graham
Yes fully agreed Graham it is a pain. You need a good hot tweezer like my Hakko and a good microscope . The procedure is always the same.. Take care and 73
@@TRXLab Wie kommst du an sowas wie den C229 auf dem RX/TX-Board ran, der sitzt verdammt eng an dem 10-pol. Steckverbinder zwischen dem dicken Transistor Q13 und dem bedrahteten Elko C201, würdest du den Steckverbinder ausbauen oder kommt man da mit deiner Hakko ran? Ansonsten: Klasse Video, hab auch gerade dieses Feedbackproblem gehabt, nu geht die Kiste wieder! Hab anno dazumals ('90 bis 2000) bei Conrad gearbeitet und etliche davon verkauft, nach gerade mal 30 Jahren hab ich nun endlich selber zwei davon und geb sie nicht wieder her! .... .. 73 DL5MHK
we missed you,... really!!
Thank you
Da hab ich wohl richtig Glück, dass mein 90-er TS50 (noch) funktioniert. Werde mich im Bedarfsfall natürlich an diese guten Reparaturvideos zurückerinnern. 73 de DL1LAJ
Nur ein Rat.. dieser Fehler ist schleichend. Wenn die ersten Ausfälle kommen kann es bereits zu spät sein. Leider geht es nicht immer so gut aus wie hier. Oft sind die PCB's unreparierbar defekt! Schaue dir dringend die Situation bei deinem Gerät an, mindestens den Cap im Bedienteil!
Danke für den Rat. Wie heißt es doch so trefflich: "Vorbeugen ist besser als heilen". Habe übrigens die Speicherbatterie auch schon wechseln müssen. Eignet sich nicht der Einbau von Tantal- Elkos statt SMD Becher- Elkos (zumindest die kleinen Kapazitäten) ? Tantal- Elkos haben ja die Eigenschaft, langlebiger zu sein und nicht auszulaufen.
Oscillation in the audio power amp? Haven't watched all yet, but this springs to mind immediately :) I changed more than 20 SMD lytics in a TS50 some days ago. Tracks around the one on the front panel had to be repaired also
As usual, nicely presented video from Peter. However I'm not sure that leaving the TX power about 50% higher than max is acceptable - I hope the owner was told about this in case he was unaware and later on cooked his finals because it was left set far too high. I feel there is a degree of responsibility with the technician to set important things to be as they should - if this rig had been mine I would have been grateful for it to be reset to the factory limit in case it ended up fried because I hadn't been told of its excess wattage....
I wonder what the TX signal was like for harmonics with the settings at 150% of design max... No ham known to me would run a rig set like this, we'd all be happier by far to have factory settings restored to a rig of unknown history - these are super little rigs when in fair order, but they're getting nearer the grave with every year that passes!
I hope you replaced all of the old caps in this radio while you were in there. They would only cause problems later.
He only replaced the obviously bad and leaking ones. That's all that was asked for.
Yeah what Star Gazer says is the point...
Good morning,, Thank you for another fine video,,, a real two cupper !!!!
Good Morning and thank you!
That's why it's good to know something about electronics because of something breaks you can probably more than likely fix it yourself and fix other people's electronics too I have a flat screen TV that I haven't gotten around to fixing yet because I've been so busy and haven't gotten around to buy a replacement parts from I tested and troubleshot the board and it's shorts all over that board to the point to where I said forget it I'll just order another motherboard but I haven't gotten around to doing it yet
that is true
@@TRXLab and I enjoy watching your videos to show the viewers what makes things work how to test how to clean and everything else
Hallo Peter, wie immer perfekt und erfolgreich.
Danke Jörg! Ich weiß das du beurteilen kannst was ich mache und genauso weiß ich deinen Kanal zu schätzen. Danke für deine Videos!
Your equipment is a very nice sir
thank you
Captivating re-cap Peter you caped me captured (lol) *Cheers* *73*
lol love it..Thanks
Good Repair video Peter.
Thank you Grant!
As always, I enjoyed the video. Thanks, Peter!
Thank you
cool video,and you even give people the room to diagnose in a way... very cool!! bought a ts 50 myself and when you switch in vfo a and activate the up button it jumps to vfo b,is this a known fault???
cool video love it..
Years ago, troubleshooting the failures of AM broadcast receivers, this symptom was called "motorboating" - and the first suspect was the power supply filter capacitor...
sure this is an old known issue but I never heard motorboating...
Nice job peter big thumbs up 👍
thank you
Electrolytic Capacitors. The necessary evil of electronics. Low battery on a Kenwood is notorious for having radio act crazy as well. Good video.
Yes you are right.. Thank you
I would love that you would have a look into the same system I have which has intermittent faults. Do you allow repairs to be made at your workshop?
Would have liked to know who made those faulty capacitors. My bet they were not Nichicon or Panasonic brand.
hard to say but it is not Kenwood's fault. Back in the time there was a huge legal issue with the formula of the electrolyte...
Hi Peter. really enjoy watching and learning from your videos. Working on a TS50 myself and totally confused with it. Have no receive audio. Getting beeps through the speaker as buttons are pushed, and volume is working but RX not coming through. Any chance you have come across this before? I would love to know what the red led is at IC11 on the TXRX board! Cant find anything on it. Stay safe.
Thanks for this!
thanks for comment
Hi Peter, thanks for the video. A simple question: my lithium battery is gone (unfortunately here in Africa I had to order it). Do you think that the power output is related to the protection done by the lithium battery? The radio doesn't give any output power and it has been in standby for sometime hence the Li-on battery gone. Thanks
Radio is crying for help .And Peter will bring him back to life. Suspense!
lol thanks for comment
Thanks Peter 👍🏻🇬🇧
Thank you!
I don’t know, sounds like the intro to Kickstart My Heart by Motley Crue. Maybe it isn’t broken. 😃
It reminded me of a toy steering wheel with mechanical rolling road.
There's a few vids of the "Tomy Racing Turbo" and someone has also put a Pi & LCD dashboard in to play Outrun. 🚘
lol yeah right
Hopefully you told the owner that his rig is in jeopardy because of the high RF output is too high by 50%...he/she may not know that and may want you to see why it's power level is so high. Hate those darn caps in the TS-50! ;-)
We always tell the radio hams that it is no good idea to push for the max but many simply won't hear...
Hi Peter, are these specific capacitors only used by Kenwood or could this also occur with Yaesu or Icom transceivers? greetings, PD0ONE :-)
Kenwood really had the most misfortune back in the days as the got the bad batch. But other manufactures had the same issue...
Hello Peter, missed some videos because lake of time but te gets up now. Always good, love it.
I think using uv ligt is handy to see if there is an leaking capacitor. But your method is new for me but smart and simple!
Thanks
Ps. Do you use 10MHz reference on the cms? I just installed it but have to find out how to know if unit is using it or the internal one.
It depend on the surface I have learned. On the TS 50 pcb you don't see a difference with UV..
@@TRXLab ok thanks did not know that to, good to know.
Hi Peter, at 27:03 point in the video there is a perfboard in the bottom left corner with an IC that looks like add on or some kind of repair. Do you know what is this? Doesn't seem a factory element. 73, Pablo
It is a Mod but I don't know what it does...
Thanks for the movie.
Thanks for all your hard work
Thank you
i would have turned the power down to spec. and tell the OP its the best for the radio and if you want higher power get a small external amp. hihi great video
We always have the same reflex but you can't do it simply because it is not your radio..
great overhaul ! love it
Thank you!
Thanks for all your videos!! Great work!. I have a question about the outgoing
lowpass filters. If you run the radio without them, What would happen? Are they just to protect for unwanted outgoing interference or do the protect the finals too?
The filter is a so called harmonic filter set to reduce unwanted frequency on the bands. It is regulated by laws that you have to use it.
So cute radio! All I learned from this video is all those electrolytic cap's should be replaced.
correct
Hello! I gave you a big like for the nice enthusiastic attitude at the start of the video! :) 73! YO9IER.
thank you
Great video thanks
Hey Peter do you play golf? If so, what percentage of the time do you get hole in ones!
Great work professor!
lol I know what you mean and let me answer it this way. If you are Tiger Woods your percentage might be a bit higher..
@@TRXLab I think you're the new Tiger Woods!
Hello Peter, can you explain why you test the capacitor at 120Hz?
regards
yes, simply because all data sheets today are using 120 Hz for testing. I have several videos on electrolytics here on my channel such as video #83...you may have a look around..
The circuit diagram (12:19) doesn't make sense... Pin 7 is a bootstrap pin according to data sheet and appears to be decoupled to ground by C126 22uf. Surely a value this great would be shunting any audio from pin 6 by C125 47uf and have a very hard time??
Hello Peter,
I have to change the leak capacitor on display unit and ask you for your cleaning procedure of the acid on the print.
What do you use therfore?
Liebe Grüße Mario 73 de OE6FFF
Hi Mario, very often you have to sand off the board clean it with isopropanol alcohol and than you need to put fresh green uv solder mask to the pcb,,,
hope that helps.. 73
Peter, at the 27:05 mark, what is the little tiny circuit board with the I.C. on it for? Just curious. Thanks
it is a mod but I don't know what it is doing
very good nice job .
Thank you
What's the name and model of your PCB Holder?
pcb holder for mobile phone repair from china..
@@TRXLab - Thanks
Are there any common failures to look for on the Kenwood TS-2000 radios other than the 455 kHz filters?
other than the filters in the early models not really but that does not mean that a lot of ts 2000 get not fried ...
What is your callsing
Great resurrection! How much is the rated power for TS-50?
Thank you...100Watt
So, what is the "crazy" part of the fault?, I mean, caps is the most usual failure, so, what I miss?.
Wie immer perfekt ausgeführte Reparatur.
Der Drang mir den Bereich um genau diese Kondensatoren anzusehen wird wird immer zwanghafter 😵 jetzt weiß ich wieder mal warum 🤓
73 de Bernd
lol ja sollte man tatsächlich machen.. 73
I have also fixed several TS-50S with same/similar problem. ALWAYS the capacitors have leaked badly. ALL TS-50S are a TIMEBOMB. They WILL fail. For sure
Yeah that is true
Without watching any further than 1:40 I will take a guess that it is a shorted electrolytic in the audio circuit.
Start of video, my hunch bad cap, amp section...c127 leaking eletrolyte,also c126 has been poop 'ing on board.
perfect
And one way you can tell when you have a bad capacitor is when they swell
most of the time you can't see it
Its a radio there is nothing complicated inside.
If it's a Kenwood to
😃👍
Danke Ulrich, hier darf man auch deutsch schreiben.. ;>)
And by looking at that board you can tell it had burnt out all over the circuit board with bad capacitors
very seldom what you describe..
The older one
Interest malfunction, like!
hm not sure what you mean?
Das deutsche OM schon immer einen Waffel hatten merkt man hier immer wieder
I would like to have the knowledge of Peter... he is a genius ... best 73s de DL6RDE / AA1KD, Charlie Merscher
Thank you Charlie but no Genius here only an old man with a little experience..