SANYO M9926 boombox cassette deck fix

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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.
-----------------------
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/teddyhashee358
Teddy Hashee

Хобби

Опубликовано:

23 июн 2019

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Комментарии : 135

@monsieurturgeon4236 9 месяцев назад

Thank you; it helped me realize that there was no need to remove the buttons.

@scottstone686 4 года назад

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!

@teddyhashee 4 года назад

Thank you for the comment. I hope you will be able to find how to put radio strings back.

@DjJoeEmeric 5 лет назад

This is passion, who cares in 2019 about casette boombox .... yesterday i have started to listen my minidisc collection ... Love it !

@teddyhashee 5 лет назад

Thank you for your compliment on my work!

@johnnysmile01 4 года назад

I do care about old boombox cassette radio

@nabilgawad 3 месяца назад

good work . much patience and honest work .thank you

@audio669 5 лет назад

Wow the belts made that much difference good job you the man 👍👍👍😎😂

@teddyhashee 5 лет назад

The belt only affects its speed but also affects sound quality. Thank you for the comment.

2 года назад

Qué paciencia loca y qué habilidad. Estupendo trabajo

@raiffmarques730 2 года назад

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.

@ralphreinhardt6020 5 лет назад

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!👍👍

@teddyhashee 5 лет назад

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!

@angeleeruiz 5 лет назад

Patience and dedication, great job...!!!

@teddyhashee 5 лет назад

Thank you for your compliment.

@RoughJustice2k18 4 года назад

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.

@teddyhashee 4 года назад

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!

@NiZZULiVE 2 года назад

Love these videos!

@everaldopereira4087 5 лет назад

Just left the store ! Great Job !

@teddyhashee 5 лет назад

Thank you!

@saarike 4 года назад

Excellent repair and tips!

@teddyhashee 4 года назад

Thank you for your compliment on my work!

@fitzjameswood5486 5 лет назад

Great Job. I loved this.

@teddyhashee 5 лет назад

Than you for your compliment

@johnpatrickfay5288 5 лет назад

You sir, are the ASMR of boombox repair..

@teddyhashee 5 лет назад

Thank you for your compliment on my video!

@audio669 5 лет назад

Awesome job I remember that radio 👍👍👍👍👍😎

@teddyhashee 5 лет назад

Thank you for the comment.

@alexanderarroyo2000 5 лет назад

I usually leave it for the next day when I get stuck fixing one. Don't have the patience.😂😂 good job BTW!!!

@RoughJustice2k18 3 года назад

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).

@alexandertorres5809 5 лет назад

Like always excellent job boss. Look easy but it can be real frustrating.....

@teddyhashee 5 лет назад

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.

@wierpkevin 5 лет назад

You have great skills

@teddyhashee 5 лет назад

Thank you for your compliment on my work.

@Stremyashisya 5 лет назад

Приятно смотреть работу мастера высочайшего уровня.

@inkvisitor6563 5 лет назад

Согласен, просто волшебство какое то!!! 👍 👍 👍

@teddyhashee 5 лет назад

Than you for your compliment!

@teddyhashee 5 лет назад

Thank you!

@MarcelVanHoekElvis Год назад

Great job well done! Greets from Marcel The Netherlands Europe 👍🙂👌

@LegendOfTanooki 4 года назад

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.

@jyejye1077 Год назад

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!

@bobbygermano9926 5 лет назад

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?!🤔

@teddyhashee 5 лет назад

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!

@Lucolo77 5 лет назад

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?

@teddyhashee 5 лет назад

It is called T1 Tuner, for android as well as ios.

@SlotXTv 3 года назад

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

@Jammerk40 2 года назад

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!

@morse.500thomas6 5 лет назад

Great job

@teddyhashee 5 лет назад

Thank you for your compliment.

@hamodachichigo8029 5 лет назад

Good going Mr. Hashee , Keep it UP Please !

@teddyhashee 5 лет назад

Thank you, always appreciate your encouragement!

@hamodachichigo8029 5 лет назад

@@teddyhashee you are welcome sir

@RMBMS 5 лет назад

What a nice model!

@teddyhashee 5 лет назад

thank you for the comment.

@aprilolguin7532 Год назад

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 ?

@romanopachanov3726 4 года назад

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

@metelgodful 8 месяцев назад

Can you please tell me the names of the lubricants and plastic cleaner that you used and awesome job it looks brand new

@rameshjain2832 2 года назад

U are agood engineer in the word

@mrhawk1924 4 года назад

Wow...!!!! Intriguing

@teddyhashee 4 года назад

Thank you!

@Aoa2005 5 лет назад

You do your job super perfect 👍👍👍👍👍 ✌✌✌✌✌

@teddyhashee 5 лет назад

Thank you for your compliment!

@alexrey3797 3 года назад

Una verdadera joya esa radio

@Damian-ie3ji 5 лет назад

at minute 26:40 . What type of grease do you use to drive the cassette lid?

@teddyhashee 5 лет назад

It is Turntable Tonearm Cue Dampening Silicone Fluid. Search the web, you will find them on sale.

@Damian-ie3ji 5 лет назад

@@teddyhashee thanks

@garbagebanditdayz819 5 лет назад

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.

@teddyhashee 5 лет назад

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.

@garbagebanditdayz819 5 лет назад

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.

@rimtatarigan9167 5 лет назад

Sir, what's the name of the acrylic cleaning fluid?

@teddyhashee 5 лет назад

bit.ly/2SY7IMo Soft99 Plastic Cleaner

@user-nf8np1zq9h 5 лет назад

Dear Professor How to get the engineering drawing of the radio board through the search google?

@teddyhashee 5 лет назад

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.

@FotoAparati 5 лет назад

Superb

@teddyhashee 5 лет назад

Thank you!

@bob334 4 года назад

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?

@teddyhashee 4 года назад

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.

@bob334 4 года назад

Teddy Hashee - Thanks, I assume there are people on eBay who’d sell this stuff?

@teddyhashee 4 года назад

ebay, or other online seller, there are tons of seller and information.

@rameshjain2832 2 года назад

I have national Panasonic rx 5100 f will u repair.this set

@robertolopesdasilva7999 2 года назад

Muito bom 😊

@nathegotule4666 3 года назад

Kool,,bruzz.... Kool fixer guy,,, 🌴☺🌴☺🌴☺👍 Peace n kindness down under Sydney australia

@becconvideo 5 лет назад

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.

@teddyhashee 5 лет назад

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.

@ErikPAPATIE 2 года назад

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

@gilbertopereiradossantos9972 5 лет назад

Muito bom trabalho, só faltou arrumar o conta-giro do deck, mais o resto está de parabéns.

@teddyhashee 5 лет назад

Thank you for your compliment!

@liliandra16 5 лет назад

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

@teddyhashee 5 лет назад

So you want to make a cassette tape that will do the bluetooth work, instead of modifying inside of the boombox?

@arc6849 5 лет назад

Olá Teddy! 👏👏👏👏👏👏👏👏👏

@teddyhashee 5 лет назад

Hi, Anderson. Thank you for the comment.

@discoscassettesamorynostal1816 4 года назад

saludos desde Perú buen trabajo,un favor ¿como se llama la hermosa música que pones al final?

@teddyhashee 4 года назад

Demonstration tape (Hitachi original) Battle of Jerico

@mikegross6107 5 лет назад

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.

@teddyhashee 5 лет назад

Hi, Mike. Thank you for your advice. I am too shy to talk about my work, but maybe in the future...

@RichardJones-kn3rq 4 года назад

素晴らしい！！

@teddyhashee 4 года назад

ありがとう！

@EddieJazzFan 5 лет назад

Do you sell these restored units on ebay?

@teddyhashee 5 лет назад

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.

@douglasfernandes9969 5 лет назад

these devices have missed and it's a shame that these historical classics are no longer made today.

@teddyhashee 5 лет назад

I agree with you. Thank you for the comment.

@thomasbutts1987 3 года назад

Yes they do look on amazon

@thomasbutts1987 3 года назад

And look on wish

@richglaze1769 5 лет назад

I need and old school boombox that works

@teddyhashee 5 лет назад

Keep searching, it will comes up in front of you for sure.

@gctechs 5 лет назад

"Light Emitting Diode Indicator" lol who would have thought

@teddyhashee 5 лет назад

Thank you for the comment.

@cicerofeliz 4 года назад

Calibration app???

@teddyhashee 4 года назад

T1 Tuner

@rameshjain2832 2 года назад

May god bless u sucesse

@hormalzu6667 5 лет назад

Which app does he use ?

@teddyhashee 5 лет назад

T1 tuner

@stormchsr101 4 года назад

you wouldnt happen to have an extra drive belt you would sell would you?

@teddyhashee 4 года назад

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.