You completely avoided the jammed mechanism problem... the grease in these machines typically thickens up to a hard jam. Also seeing a mirror cassette being put to test in a eat-tapes machine has given me shivers. I believe I paid around 150 bucks my one and only mirror cassette... so, I use what I've always used: a trusty TDK D shell with spare tape and one of the sides opened.
Regarding curvature on that roller Paul, it looks harmless, but it isn't of course. I've never seen any definitive reference online for pinch rollers, but as far as I have learnt, the supply pinch roller (at least) has to be dead flat. (Edited) BTW, and of interest, I have an old TC-730ES where I replaced the heads in 2005. It's hardly had any hours of use since then, but not long ago I decided to get the old head lapped professionally, only to realise that the old head was part araldited on! I think Sony did this, not sure why? I wonder if the same is true of your TCK-71?
With this model you can BIASing ONLY Type I cassettes. All four types cassettes you can calibrate with TC-K81 and TC-K75 from same decks generation/series.
Nice work, thanks for sharing. I've got a TC-K81 that probably needs new pinch rollers, too. Where did you source your replacement rollers? Thanks again!
mid 70's? This is CLEARLY an early-to-mid 80's design... the audio equipment has very specific look from many eras, and this is VERY MUCH NOT 70's... Same way 90's equipment had a particular design language that can't be confused with earlier decades (and the trend away from silver front plates toward all black)...
I vr got 2 decks but I d changed the pinch rollet , theres no wow and flutter, only probl is the hum of the BSL motor.When switch betwen record or tape in the tape position coluld heard a little noise
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Nice work getting the tapes to play correctly again!
Wonderful cassette deck with great sound. I have TC-K81.
You completely avoided the jammed mechanism problem... the grease in these machines typically thickens up to a hard jam.
Also seeing a mirror cassette being put to test in a eat-tapes machine has given me shivers. I believe I paid around 150 bucks my one and only mirror cassette... so, I use what I've always used: a trusty TDK D shell with spare tape and one of the sides opened.
I just replace the tape stock in the mirror cassette if it gets damaged
Regarding curvature on that roller Paul, it looks harmless, but it isn't of course. I've never seen any definitive reference online for pinch rollers, but as far as I have learnt, the supply pinch roller (at least) has to be dead flat. (Edited)
BTW, and of interest, I have an old TC-730ES where I replaced the heads in 2005. It's hardly had any hours of use since then, but not long ago I decided to get the old head lapped professionally, only to realise that the old head was part araldited on! I think Sony did this, not sure why? I wonder if the same is true of your TCK-71?
I’m not sure. Are you talking about a defect in the lamina from the factory which separates both channels?
@@VintageAudioTech The epoxy-like material was either side of the Rec-PB head sandwich.
That deck was early 1980s.
You are correct. The manual says 1980. Most likely manufactured in 79
With this model you can BIASing ONLY Type I cassettes. All four types cassettes you can calibrate with TC-K81 and TC-K75 from same decks generation/series.
There certainly are some limitations
Nice work, thanks for sharing. I've got a TC-K81 that probably needs new pinch rollers, too. Where did you source your replacement rollers? Thanks again!
Fixyouraudio sells quality rollers for these. The rollers are the same as the ones found in all the newer dual capstan TCM200 decks
Nice... But with type IV compatibility and that general design, I think this is 1980 or later...
Yes, you are right in the Service Manual it says 1980
Hello. Is there a way to contact you for a repair of my tape player?
Send a message to EScassette@yahoo.com
Thank You
Paul
Thanks for shering this video. Have you a good guss what's problem In my TC-K71 the pitch rollers are up position all the time.
Hardened grease preventing the arms from pivoting. I can restore that
Lo volviste a subir, el mismo video ???? Muy bueno, felicitaciones.
I had made an edit on the video
mid 70's? This is CLEARLY an early-to-mid 80's design... the audio equipment has very specific look from many eras, and this is VERY MUCH NOT 70's... Same way 90's equipment had a particular design language that can't be confused with earlier decades (and the trend away from silver front plates toward all black)...
I believe you! You are well versed in cassette
It's actually based on their late 70s design 1979 I think. But this one is from 1980.
Also not to mention this is a logic controlled deck, which did not exist in the 70's.
@@jimdayton8837 1979 had some computer controlled decks.
@@TapesNstuffS Come to think of it Sony did have some logic controlled decks in the late 70's.
Una pregunta, tienes tiempo con ese cassette espejo, donde podría comprar uno ?
I bought it in Japan some time ago. There used to be a guy on eBay selling them
I vr got 2 decks but I d changed the pinch rollet , theres no wow and flutter, only probl is the hum of the BSL motor.When switch betwen record or tape in the tape position coluld heard a little noise
Normal
thumbs down- you act like i will get to see the tape get sucked in- ?? NEVER saw it~!
Didn’t want to damage the tape. You
Could see it was about to get eaten if I didn’t stop the deck