SANYO M9926 boombox cassette deck fix
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- Опубліковано 8 вер 2024
- This is a SANYO M9926, a very simple boombox. But it has a nice and powerful sound.
The cassette deck did not work, so I checked inside. There was a white plastic pulley that was damaged probably by the heat and chemical reaction with the rubber drive belt. As soon as I found out about it, I was able to see that there would be a wow and flatter sound problem from this damaged pulley.
But the problem wasn't only a sound problem, but it had also weak torque of FF/REW problem. Since this cassette deck only use one drive belt for all movement, if I adjust the belt for the best play sound, then FF and REW will be powerless if I adjust the belt for the powerful FF and REW, then the sound becomes terrible. So I needed to choose one of them, and I choose the sound quality, but not power torque for the FF and REW.
Total work hour was 11 hours 15 minutes. It was fun to find out how this cassette deck works.
Enjoy!!
The owner of this boombox is Mr.Ralf. Thank you for letting me to restore your boombox.
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Demonstration tape (Hitachi original)
Battle of Jerico
Donation welcome!
I appreciate if you fund me for a new camcorder and a computer for editing the video.
www.paypal.me/...
Teddy Hashee
Thank you; it helped me realize that there was no need to remove the buttons.
Very thorough! I just changed the belt on my Sanyo m9902. But I borked the radio tensioner and and couldn't remember how it was originally strung. Always take lots of pictures when you start to disassemble old electronics!
Thank you for the comment. I hope you will be able to find how to put radio strings back.
This is passion, who cares in 2019 about casette boombox .... yesterday i have started to listen my minidisc collection ... Love it !
Thank you for your compliment on my work!
I do care about old boombox cassette radio
Another excellent job Ted. Those Sanyo decks tend to have a fair amount of wow&flutter. The only way to make'em sound as good as possible. Is the installation of a new pinch roller. As well as the correct belts. The main belt for that unit is an SCQ 10.0 and the tape counter belt is a SCY 7.0. Sometimes those variety belt packs just don't have the correct size belt in them. However you did a great job with what you had!👍👍
Thank you Ralph for your compliment, and thank you for the info about belt size. It will help many viewers who need to replace the belt on this machine!
Wow the belts made that much difference good job you the man 👍👍👍😎😂
The belt only affects its speed but also affects sound quality. Thank you for the comment.
Qué paciencia loca y qué habilidad. Estupendo trabajo
Saudade de um POLYVOX que possuí. Era parecido com esse. Coloquei numa oficina de consertos de um enrolao , acabei perdendo.
Epoca de ouro desses rádios gravadores.
good work . much patience and honest work .thank you
That boombox is almost as much of a tape deck nightmare as the Sharp GF-777 4-speaker deal you worked on previously Teddy.
I admire your patience and the steps you took to repair/restore this and I am sure the owner probably understands some compromise had to be made with regard to the deck mechanism. Peace be with you.
Hi, thank you for your compliment on my work. Each boombox have the different type of problems and solving them step by step is my pleasure!
Awesome job I remember that radio 👍👍👍👍👍😎
Thank you for the comment.
I usually leave it for the next day when I get stuck fixing one. Don't have the patience.😂😂 good job BTW!!!
I have recently refurbished some boomboxes (replacing more than just a belt) to bring them back to near-perfect working condition. I believe many of them are worth saving. I've gone further and repaired the main board in a few (and the tuner in a couple because FM wasn't working).
Приятно смотреть работу мастера высочайшего уровня.
Согласен, просто волшебство какое то!!! 👍 👍 👍
Than you for your compliment!
Thank you!
U have to same screwdrivers and pliers as me from Australia, about to get to work on my 80s Phillips one now that has wicked speakers on it!
You sir, are the ASMR of boombox repair..
Thank you for your compliment on my video!
You have great skills
Thank you for your compliment on my work.
Just left the store ! Great Job !
Thank you!
Great job well done! Greets from Marcel The Netherlands Europe 👍🙂👌
Perfectly done.
I used to see a model of this box, with all silver knobs & grills. Unless they were painted??. Or maybe im going crazy?!🤔
Sometimes maker of the boombox made slight difference for the knob and other parts. Probably they might have silver knobs and switches, and it should be great looking one!
U are agood engineer in the word
Like always excellent job boss. Look easy but it can be real frustrating.....
It was frustrating in order to find the valance between play sound and FF/REW torque power. At the end of the day, it went well. Thank you for the comment.
Love these videos!
Hi. What app are you using on your phone to adjust the speed on the cassette player when you repair them?
Excellent repair and tips!
Thank you for your compliment on my work!
Which year is the machine from? Many of those rather simple Japanese devices made their way into East Germany where we used them extensively for recording from West German radio and playback all day long ;-) Who had an "western" (yea Japan was in the west back then :-) ) recorder was king. Wow and flutter had always been an issue - but this one sounds terrible - even for early and mid 80ies standards - and also compared to eastern products such as RFT.
Was it supposed to be like that when it was new or is it completely worn out? Strange though because you replaced almost all the moving parts.
Probably from "80s. I did replace the belts, but did not replace the other parts. Especially worn-out white pulley must be replaced, but there is no way to find out same parts at this time. I guess it had a more stable speed when the all parts were new and could have much better sound. Thank you for the info and history! I enjoyed your comment.
Patience and dedication, great job...!!!
Thank you for your compliment.
Una verdadera joya esa radio
Can you please tell me the names of the lubricants and plastic cleaner that you used and awesome job it looks brand new
What a nice model!
thank you for the comment.
I guess my old age keeps me from following the speeded up work you are accomplishing! It would have been more educational to have a little bit of explanation of what you are doing.
Hi, Mike. Thank you for your advice. I am too shy to talk about my work, but maybe in the future...
Hi I have a sharp QT90 1983 and I m stock with a small problem , on recording deck when I play cassette sont not loud , for full volume its hardly to hear, I change belts and roller , recording perfect but when you play no sound, what happens, pleas help
Good going Mr. Hashee , Keep it UP Please !
Thank you, always appreciate your encouragement!
@@teddyhashee you are welcome sir
Great Job. I loved this.
Than you for your compliment
A lot of work went into that machine and hours of fixing! Sounded ok but still had a lot of Wow & Flutter after the fix? Did you ever get it to play better? I hope so!
Kool,,bruzz....
Kool fixer guy,,,
🌴☺🌴☺🌴☺👍
Peace n kindness down under Sydney australia
Wow...!!!! Intriguing
Thank you!
at minute 26:40 . What type of grease do you use to drive the cassette lid?
It is Turntable Tonearm Cue Dampening Silicone Fluid. Search the web, you will find them on sale.
@@teddyhashee thanks
these devices have missed and it's a shame that these historical classics are no longer made today.
I agree with you. Thank you for the comment.
Yes they do look on amazon
And look on wish
great job sir i have the same boombox like that, what king of cassette tape did you use for tuning the motor? that white cassette tape? thank you sir
I just got a Sanyo boom box and I’m having the same problem but I don’t know how to fix can anyone recommend advice or places to get it fixed at ?
Great job
Thank you for your compliment.
How did you fix the wobbly sound? I put new belts in my general electric boom box cassette recorder and it still makes an ugly sound with the music, a really bad wobbly sound.
You do your job super perfect 👍👍👍👍👍 ✌✌✌✌✌
Thank you for your compliment!
I have national Panasonic rx 5100 f will u repair.this set
Il remenber im have one like this and the condensair microphone is very hidden beside the Twitter and im lost it were i moved form my old place
"Light Emitting Diode Indicator" lol who would have thought
Thank you for the comment.
Qual programa pra celular você usa para ajustar a rotação do motor do tape? Which mobile phone program do you use to adjust the motor rotation of the tape?
It is called T1 Tuner, for android as well as ios.
Superb
Thank you!
Hi I just bought a Panasonic RX-5010 and the seller said that the tape counter doesn’t work. Do you know any way to fix it? I just watched your video, when you took the boombox apart it looks to me like a belt drives the tape counter directly from the cassette deck was this common from all manufacturers? I’m going to assume like many other tape driven machines from the time I would have to replace that along with the other belts.
Most of the counter uses rubber belt. So open the boombox and check inside. Probably you will find the worn out drive belt or maybe there is no belt at all. Anyway, it is good that you change all belts for its best performance.
Teddy Hashee Thanks for the help! It’ll be my first boombox so I’m really excited to get it working to it’s best ability.
Muito bom trabalho, só faltou arrumar o conta-giro do deck, mais o resto está de parabéns.
Thank you for your compliment!
Olá Teddy! 👏👏👏👏👏👏👏👏👏
Hi, Anderson. Thank you for the comment.
Hi, can anyone help me out here? I found my old Sharp GF 9292, but after switching the fuses in the plug, I found only the radio function was working as well as one speaker not making much noise (although a little) also the cassette tape wouldn’t turn/play? It is old, but is it worth me taking the back off and fiddling around, are there specialists that can fix it, or should I just keep it as is?
Probably you need to replace the cap for the one channel, replace the drive belts for the cassette deck, and other work. Hope you will be able to get it back to the working condition.
Teddy Hashee - Thanks, I assume there are people on eBay who’d sell this stuff?
ebay, or other online seller, there are tons of seller and information.
Dear Professor How to get the engineering drawing of the radio board through the search google?
If you are talking about service manual, you can buy online such as ebay or from other online seller site. Just type the name and brand of your radio along with the word of "service manual" will bring you to there.
Hello Sir, Can you show how to make a bluetooth cassete since that'll be good for beginners with working radios who are afraid to touch the insides! Thank you
So you want to make a cassette tape that will do the bluetooth work, instead of modifying inside of the boombox?
Sir, what's the name of the acrylic cleaning fluid?
bit.ly/2SY7IMo
Soft99 Plastic Cleaner
May god bless u sucesse
Muito bom 😊
saludos desde Perú buen trabajo,un favor ¿como se llama la hermosa música que pones al final?
Demonstration tape (Hitachi original)
Battle of Jerico
Internet Radio. Wie dieses , bekam ich als zu meine. Jugendweihe
The mechanism of the tape cassette is really complicated.
Once you understand how it work, it will become easy for you to repair it.
you wouldnt happen to have an extra drive belt you would sell would you?
I buy assorted belts from ebay, amazon and try to find the best one onto the restoring boombox. Some of the boombox needs specific belts, then I order them from online shop. So for your boombox, first you need to find the size of the belts, what kind of belts ( flat, square, or round, etc...) and research it online. Also you want to join the forum for the boombox, you can get many great information from there.
I need and old school boombox that works
Keep searching, it will comes up in front of you for sure.
golden hand
Thank you for your compliment.
Eu quero um desse me fala ai
Hope you can find your own boombox. Check your local garage sale, online seller, etc...
Calibration app???
T1 Tuner
Lindo radio
Last year im found a sanyo M 9935k in dump were im searching anyting is old im have a prof were im found it
Do you sell these restored units on ebay?
I sold many of them, but these days I do servicing for my clients. Whenever I have a time to restore mine, I may sell them online.
Hi ware r u teedy sir.
素晴らしい！！
ありがとう！
Oh yeah
Indeed!
Which app does he use ?
T1 tuner
It was a pain in the ass to fix it 😑 i can see
It was, and thank you for the comment.
ﾋｨ
フゥ
I usually leave it for the next day when I get stuck fixing one. Don't have the patience.😂😂 good job BTW!!!
I understand how you feel, I do too.