Restoring a 1970 Sony cassette tape recorder

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Restoring a Sony TC-120 tape recorder from 1970
Unplanned video, quick and dirty edit.
Looking at the mechanics of the transport, re-assembly, testing and an look at the features of this 50 year old audio recorder.
Photos: myoldcomputers.tumblr.com/pos...
Index
00:00 Intro
01:02 Transport mechanism
02:33 Belt replacement
03:37 Re-assembly
07:16 Transport features
18:09 Testing
22:14 TC-120 accessories and features
24:40 Ending and Outro
Anders Enger Jensen, Retro Grooves Vol. 4
/ retro-grooves-vol-4
TC-120 Specs
Mono, 4.8 cm/s
Frequency Response: 50Hz to 10Khz
Signal-to-Noise: Better than 46dB
Bias Frequency: ~85KHz
Speaker output: 1.5W@8ohms
Dimensions: 252x63x147mm
Weight: 2.2kg with batteries
My Twitter: / hutchca
My Blog: blog.hutchins1.net/

Опубликовано:

22 июл 2024

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Комментарии : 23

3 года назад

Thank you for your video and superlative work. I have one bought in Buenos Aires, Argentina in the 70´s. Wish you were here to fix it. It was put in a box for more than 40 years and now it does not work. Cheers!!!

@Omegapork 2 года назад

I just picked one of these up for 5 bucks at an antique store. It looked like it had been through 40 years of neglect (Which to be fair it probably has). I managed to get it all cleaned up and the metal even got its shine back. I haven't actually been able to test it yet, and I'm a bit scared to open it up because of the nightmarish pile of soldiered spaghetti cables that await me inside.

@polaris911 3 года назад

you're crazy not using rechargeable batteries in that thing! I have a Sony TC-90A and a lot of the components are similar to yours. Great video.

@lex2245 3 года назад

I have to like and subscribe. wonderful work. 50 years old, and the external condition as a new device is simply amazing. thank you for the video and great work.

@zubairabbass1791 2 года назад

Thanks for sharing

@geekwithsocialskills 3 года назад

Nicely done on your restoration. I'm happy you decided to make this video. I've got a 1970s Kenwood KX-710 cassette tape recorder I need to do a similar service on. Wish me luck ;-)

@geekwithsocialskills 3 года назад

I'm waiting on belts to arrive, so once they do, I'll make a video about it.

@ACURAOCULTA 3 года назад

Very good my friend

@ACURAOCULTA 3 года назад

Very very good my friend

@namirahusnaputri 2 года назад

great video! idk i love to see people fixing their own things. I watch this and hopefully can fixing my own things too. I have a tape recorder but the internal and external mic didnt work. Many of testing i’ve tried but its still the same. didnt work at all

@ckpn7 3 года назад

Not checked whether the belt twisted !

@tenminutetokyo2643 3 года назад

I remember that 2nd from right with the blue key.

@user_Francisco 2 года назад

Good video. Where can I get one of those tape recorders? Thanks

@DAIadvisor 2 года назад

I have 2 Sony TC 140 corders, both in excellent shape but do not work. When you press play, I can hear the speaker white noise, but nothing moves, I do not hear any movement inside the player. Nothing at all, so doesn't look like belts, since there would be at least SOME mechanical noise if they were broken. Any ideas where to start looking?

@shane5241 3 года назад

Does the volume control adjust the monitor out?

@mychannel2189 3 года назад

Which model is that AIWA

@marcelhh2101 3 года назад

I would advice not use the glue side of the damping pads on the printed circuit. This may have a bad influence in the traces.

@pangisalman3467 Год назад

ఇరేడియోలు ఇప్పుడు ఉన్నాబాగుండేది

@Mike-ry4ti 2 года назад

You will have e even better results by recapping the board

@HutchCA 2 года назад

Yeah, I think I need to. Audio still sounds fine but it developed a problem in the power supply that kills the motor speed after it gets warm.

@Mike-ry4ti 2 года назад

@@HutchCA also beware of rotten germanium transistors. My TC50 worked flawlessly after a recap but acted up randomly, found it was the transistors playing up... love your work

@Mike-ry4ti 2 года назад

@@HutchCA could be transistors dropping in resistance after a while...