Successful Repair! Replacing a Drive Belt on a Vintage Mitsubishi Stereo Cassette Deck DT-4450

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I do love vintage HiFi gear - and I love bringing it back from the dead!! Here's a successful repair on an early 1980s Mitsubishi cassette deck so it can once again be enjoyed rather than ending up in the waste stream!
Many vintage cassette decks fail as they get older due to rubber drive belts perishing and generally this is a pretty easy fix! So why not have a go - you may just surprise yourself! 😊
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Опубликовано:

7 июл 2021

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Комментарии : 33

@jayy1992uk Год назад

Hey Chris I finally have a bit of free time so settling down now to finish off the repairs playlist so expect a massive jump in viewing time 😂😂😂😂

@TheUltimateRecycler Год назад

Hahaha, many thanks Jay! Hope you enjoy the content! 😃

@jayy1992uk Год назад

@@TheUltimateRecycler yep I'm loving the content I'm learning so many things ❤️

@alexmladen 3 года назад

Love this never give up.

@TheUltimateRecycler 3 года назад

Nope - never! 😊 Thanks for watching! 👍

@hanneloremaisch8297 3 года назад

Great fixer upper

@TheUltimateRecycler 3 года назад

Yes indeed! Thanks Hannah 😊😊

@beerkale1 3 года назад

Nicely done. Thoughtful, careful, and minimal dismantling is the trick. Rubber Renue does work well.

@TheUltimateRecycler 3 года назад

Thanks BK, appreciate your input! 😊👍

@82gamerprincess31 3 года назад

Luckily you caught it before it went to its sticky phase. I’ve done this work on a few things and the belt has come out looking like used chewing gum and stuck to everything like tar. Normally happens when it degrades but also gets hot like in a storage unit or shed.

@TheUltimateRecycler 3 года назад

Yep, I have seen rubber belts turn to sticky black goo... it's not fun to clean up! Thanks for watching! 😊

@breezebenitses397 Год назад

Great video. I picked up a vintage sanyo system for next to nothing. The rd30 cassette belts are tired/stretched and need replacing. It works but the auto stop doesn't. Trying to puck up the courage to have a go. Cheers

@TheUltimateRecycler Год назад

I'm not sure how the auto stop mechanisms work, but I'm sure you can do it! 👍😊

@glenhehir3833 3 года назад

Great save mate. Some of the old 80s audio gear was good stuff. I had an old Akai amplifier that just kept going forever.

@TheUltimateRecycler 3 года назад

Thanks Glen. Yes, the mid 70s into the 80s era had some awesome hifi gear!

@redpunkinpie 3 года назад

Bit of Acka Dacka, the Rockin Recycler! Nice fix Chris.

@TheUltimateRecycler 3 года назад

Thanks Nick! Christine reminded me that most of my o/seas subscribers probably wouldn't know who I was talking about! 🤣

@streetcopper1151 3 года назад

Great job .. your patience is incredible.. ps love johnny 👊🏻..I don’t fix much but if I do you know I’ll apply your teachings .. thanks TEACH

@TheUltimateRecycler 3 года назад

Thanks mate! As usual, I appreciate your support and comments! Johnny says hi! 😉🤣

@streetcopper1151 3 года назад

@@TheUltimateRecycler thank you sir 👊🏻

@irishgoldstacker8018 3 года назад

First! Great video Chris. Johnny Cash ay? I was raised on that kind of music. Btw, where did you get your expertise on everything and anything? I'm constantly amazed at what you know.

@TheUltimateRecycler 3 года назад

Well done on 'first' BW! 😁Yep - it was the first cassette I put my hand on, and not a bad choice I thought! As a kid I used to pull everything apart to see how it worked! Natural curiosity I guess! After awhile I got good at putting things back together again! 🤣

@irishgoldstacker8018 3 года назад

@@TheUltimateRecycler, and like you said to me before, Chris, its the putting them back together again that's important.

@davidk8699 3 года назад

My back and knees are pretty sore, can you repair those? Early 70' models, so might be tricky.

@TheUltimateRecycler 3 года назад

Just come over here David, next to the welder... 😉🤣🤣

@davidk8699 3 года назад

@@TheUltimateRecycler Maybe I will settle down by the welder. Im tempted to go on a road trip if/when this covid stuff settles down and I will pop by :) Ive never driven to Victoria! If I do drive south, I hope you can recommend a hotel ?

@TheUltimateRecycler 3 года назад

@@davidk8699 Hopefully things settle down quickly and a road trip is on the cards!! 👍😊

@gymnopedie2 Год назад

Hey, nice! By the way, you don't remember what dimensions you had on the drive belt by any chance? I'm trying to fix a MG-4400 and it looks really super-similar to yours, but I can't find a service manual anywhere. The original drive belt has completely fallen to pieces (although the other rubber things looks fine, just as yours). Thanks!

@TheUltimateRecycler Год назад

Thanks! Nope, sorry - no idea of the belt dimensions now. I remember providing the pulley diameters and the distance (centre to centre) and the supplier had a formula to calculate the belt size I needed.

@TheLegin11 Год назад

I'm hoping to get some assistance with a Mitsubishi DT-4400 tape deck that I am looking at for a friend. The unit appears to be behaving with one small exception whereby the deck kicks out of play, FF, or RW modes after 2 or 3 seconds. What I've observed is that there's some sort of red LED + phototransistor arrangement with a perforated wheel between it that is spun by the tape counter belt. I replaced the tape counter belt as it was loose, but the issue persists even with the wheel spinning steadily. I can't find a service manual for this deck unfortunately, so I'm flying blind. I attempted to test what I suspect is the NPN phototransistor by connecting my multimeter in µA mode across it while the red LED shone directly onto it. I was expecting to see some sort of change in current but nothing changes, even when I move the perforated wheel such that the light from the LED is being blocked. My questions are: Is my current measuring test flawed in some way? Is there a way of determining a suitable replacement phototransistor? My local shop sells them but only the infrared type. Does anyone happen to have a copy of the service manual for this tape deck? Thanks in advance.

@TheUltimateRecycler Год назад

Hi Nigel, thanks for your question! I'm sorry, but I have no experience with the issue you are having. Other than what you have tried, I'd suggest reflowing all the solder joints just incase there are problems with connectivity. In my experience, solder issues are much more common than component failure (other than old caps perhaps!). Perhaps someone else can be of assistance. Best of luck, Chris