Nakamichi BX-300 Cassette Deck PT3 Unedited Video (mostly) Do you like this format? Let me know!
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- čas přidán 2. 03. 2023
- The Nakamichi BX-300 came back again. I think I have a solid fix on this one! Let me know if you like the unedited video format.
Thank you to these people that have supported my channel by making a donation or by having me repair their unit.
Alan Armstrong Barryg41 (X2 Via Super Thanks!) Joseph Osvold Ray Paternostro Jr Alfred Kanzler Thomas Bree (Toms Computers) Kenneth Felkins Amit Ghosh Jeffrey Harris Philip Brown (Thank you for monthly support) Mark Valery Curtis Nye Danforth Miller Luke Noonan Paul Agbuya Barry Gautreaux (2nd time) Charlotte Cobun Graham Roady Robert Koehler Patricio Mendoza Sarah O'Donnell Jeyakani Kaliraj Dominick Manusos Joe Sewell Diana Barklow Robin Durdel Jose Jimenez III Victor Martinez Daniel Besitka Barry Gautreaux Carlos Roland Chad Frederick Enrique Torrano Spencer Poon Daniel Wilde Jose Jimenez III Barry Gautreaux David Arballo Charlie Williams Larry Mcdonald Daniael Tuskin Todd Shelton Dean Roney Scott Hower Ulrich Schwalvenberg R. Temple Duane Barry Roberto Menendez Thank you for your generous donation! David Baker Paul Williams Michael Meenan Joseph L Ozvold (again) Ed Uznanski John Elmore Donald Bacon Daniel Pyles Roberto Menendez Nelson Chamberlain Venkateswararao Chodapaneedi Ethan Hawke Dave Kirkey Paul Gates Christian Brenzel Kitty Zeisloft Darin Enck Clarkie Kay Rich Doza Michael Mazer Mike Bale David Arballo Richard Hudson Karen Shegog Rudy Kraker Dan Latorre Jim Louderback Justin Tuhua Cynthia Adams John Roach John Quinn Ashley Silas Sherri Parsons Jim McCarthy David Arballo Steve Navarro Keith Claro Frank Conlon Graham Foral Bob Hendrix Jim Meschler David Jacobson Randy Fink Scott Kullen Obaid Khan Robert Brothers Timothy Edds Brian Gay Owen Flint Dana Dainels Tyler Bridge Dena Hamilton Paul Agbuya Samuel & Nancy Guich Dot Morgan Timothy Ritchel William Holloman Cynthia Adams Andrew Oros George Savage Graham Foral Paul Agbuya Scott DuVall Christian Brenzel Russell Houtz Philip Brown Michael King Erick Pastor Robert Ettinger Christopher Cicero Heath Lasswell Timothy Ritchel Benjamin Rubio Michael Dukes Dot Morgan Casey Cane Teri DeLeo Kelly Knutson Howard Goble Diana Williams Reed Graham Christopher Wang David Ammerlaan John Johnson Shaheed Amirkhan Brett Sherry Joseph L Ozvold Sweidan Omar John Eggers Linda Kuo Daniel Pyles Melanie Branton Lisa Sklar Barry Marchant John Harper Larry Mcdonald Annette Lewis Howard Goble Hugo Tajimaroa M R Rajesh Uri Cohen
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Email me at NorCal715videos@gmail.com - Věda a technologie
I prefer long unedited videos like this one. I think this is better especially if you want to learn! Keep up the good work!
I like that longer unedited format better than the usual. Mistakes are educational and fun at the same time and make your videos more fun to watch. And you have less work in post production after all. All best wishes for the recovery of your family.
Love this real life, warts and all, style. Hopefully this minimizes the editing time, freeing you up for more material.
The reasons I prefer this style is first, the thought process is valuable for trouble shooting, in general, and since there is knowledge not just in what 'is', but in what 'isn't', there is continuous value in this method. Thanks!
Superb work, the motor service is one of the best ways to make sure these decks run perfectly without problems .
Most fans would recommend re-capping it anyway.
Those things were cheap to begin with and now they're 40 years old.
The unedited version of events presents a more realistic perspective for troubleshooting and repairing consumer electronics. It's how my endeavors typically go anyway. The polished version makes your efforts seem like they come off without any problems at all. Both formats are educational, but the raw version must be easier to produce. Great detail camera work by the way. Good to see that someone other than me is willing to do this sort of maintenance.
Awesome fix thank you sir!!
Nor Cal your the best! helped me with my Samsung DLP tv and now a customers BX-300 Nakamichi...Joe...Warren MI (semi retired tech).
If unedited allows you to post more frequents videos, then I'm all for it.
There is another issue with this motor. I have tried cleaning it several times only for the problem to reoccur a few weeks/months later. If you look up the "solder fix" on tapeheads, this is the definitive fix for this issue. The terminals on the back of the motor and the copper tabs holding the brushes are held together by screws inside the end cap. The connection between these two pieces is not good even if the screws appear tight. Adding a bit of solder to connect these two pieces together is the definitive fix. After doing this on my unit it seems to have finally resolved the issue once and for all. Something to consider for the next time you take apart a motor like this.
This is a good format. If it makes your editing job easier, I'm all for it. Thank you.
❤ very nicely carried out the repairs of the loading motor .First time I saw the BX 300 repais like this.Really great.
You're the man, Steve! It is sounding great! Thanks for taking the time during this hard time for you. Even the whine from the motor is reduced drastically.
Thanks for the nice video - helps me much! But I did the same without removing the complete drive mechanism. I removed the alu-plate, the front screw and the back holder screw through a hole in the back PCB. I also didnt desoldered the switches. So the repair is much easier and faster ;)
Wow. Excellent mechanically repair
A spot on repair :-D
Just as good as a new one now.
I used to repair all sorts of equipment, but mechanical repairs i always enjoyed :-D
This worked! My BX-300 stopped playing tapes, its the geared version so all the "just replace the tire" posts weren't getting me anywhere. It seemed like the loading motor was where it was stalling out, so I did what you did, viola! Back in business :)
Oh, and yea, I like the 'longer' format, but, do it only if you have the extra time, life's busy.
I don't think that the armature crud buildup was the problem. The problem was that the armature had worn such large concaves into the brushes that they were spanning the contact gap for such a large angle that it was robbing too much power during phase transition. You cured that.
Very nicely explained this probkem, great visualization of this particular motor issue,Thanks
i love unedited videos
Yes please make the videos longer
excellent
Good job. *****
Awesome video of an awesome repair. Thanks so much for doing this work and for sharing it with us. Can you guess as to why audio repair business won't tear down these cassette motors to do the repair? I know of TWO businesses that say if they can't buy a new motor, they can't repair the deck.
Too bad. They are easy to repair if you are careful.
NICE!!!!! 🙂
Thanks!
Thank you Alan!
Longer versions showing the fiddly disassembly and assembly..
APU I dropped a 👉👍👈
Do you have a repair shop?
Where?
Since you have so much experience with BX-300's...I was thinking I'd send you mine.
Interesting resurfacing of the commutator...Wouldn't some sandpaper accomplish the same thing?
Good work Steve! I like the long format. Not a fan of short ones, I'm talking about the less than 1 minute shorts.
Well done on that motor repair. It might have been educational to show the voltage and current minmax's after you fixed it, to compare with the original measurements.. Hope your family is progressing steadily!
there will be not many differences. The motor sometimes just stops without a reason prior to the repair. Current consumption falls down to zero in that case.
23:28 one arm looks more angled at its attachment screw than the other. Also, I stopped the video here because it is one of the few positions that have the brush ends equally distant from the center. But in most other shots it seems one is crossing into the center more. May need to double check that each brush is making contact with equal force?
Generally...I'd wager on the take-up or the loading motor.
Or...bad interface between the take-up wheel and the terrible design of the rubber wheel.
A lot of people put the gear drive in there, but it's quite a bit more noisy.
Plus...the little motors develop drop outs and lose their way.
Easily remedied by cleaning and re-lubing them.
I may be bios here but the 87v may just be the best meter ever made !
EXACTLY this is what I'm doing right now, with an Onkyo Integra deck, with more or less the same transport and at least: the same motor. It indeed ate tapes, it got stuck in a position where the pressure roller was in contact with the capstan, and as soon as you power it up, you see the LEFT (supply)-reel running.... while the take-up reel did not run. After a few seconds, the auto-stop system angages and a rapid blinking of the green LED in the PLAY-button starts. Upon cycling the power, this proces repeats. While in this condition, the cassette door is stuck (of course, as the heads and roller are up). After some banging on the deck, it comes to a reset. Then, everything works... for a few times, then some other fault may be present (like no reaction at ALL when pressing a button... after a few seconds, that rapid blinking behind the PLAY button starts again). I for SURE noticed a dead spot in the servo motor: just apply 2 Volts, and brake it with your fingers until 1 rev/sec. Then, suddenly it stopped, current consumption: ZERO. Now, I dismantled it fully....
Curious to know if you get it resolved.
@@norcal715 Yes, it now works flawlessly. Tried innumerable times play - ff - stop - play - rew - stop -play - stop - play - stop etc. and it never missed a command. I repaired the reelmotor of my Kenwood KX-9010 before successfully, years ago now, tested yesterday and it played a C-60 cassette fully, without stopping somewhere in the middle, so the motor still works well. However, this may be beginners' luck! Tom van der Hoff, who's spent his life repairing and engineering cassette decks, says: "this is just a temporary fix. The fault WILL come back! The only cure that works longer is to replace the motor!" Well... he still has a bunch of these motors around in his stock, which he guards with his life, but to us normal guys, such a motor is no longer available, so we have to do it this way...
My BX-300 = loved throwing it into a dumpster, over engineered garbage. Thousands of dollars spent on old tired technology from Nak. Any two head deck can sound better than any Nak if it is properly set up for bias and Dolby level !
hello sir , i bought the blue esr meter(because of you :() , and i also have te capacitor wizard wich is analog , when i tested a 0.47 micorfarad cap out our circuit
the blue esr show 9.2 ohm and the capacitor wizard show 7 ohm , also there a big difference when checking on board caps , how can i know wich one is accurate ?
thank you very much
should reel motor be cleaned also? I have one that stops
hello dear sir , i looooove your videos
i would like to open a repair shop myself , can you explain what the charging method you use , do you charge for check or only when you repair ?
although we live in different country . i dont know how to charge when i start my shop .
can you show how arrange your lab ? , and what camera do you use to record your repairs
thank you very much for you time and help
I have a basic labor charge of $50/hr and a $25 diagnostic charge if not repaired. My camera is a Canon Vixia HF-R80
PART 3!
ya ding dong
Nice micro surgery !
Please don't edit videos, we would like to learn from you. Keep up the good work.