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How I fixed the Sony Mini HiFi CD player grinding noise and a look inside the system
ฝัง
- เผยแพร่เมื่อ 8 ม.ค. 2019
- Since Sony's service centre said they won't fix stereos that are over 10 years old, I decided to take the HiFi system apart and disconnect the CD changer since I don't need it, and poof! the noise is gone and the stereo plays back songs on the AUX input without any issues.
By the way:
1. This system is NOT for sale.
2. I do not repair HiFi systems
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I own an Sony MHC 881 system and CD changer still works after nearly 25 years. My grandpa bought a system from 2005 and after two years both CD and tape player were dead... They really cared about quality in 80s and 90s.
Why does this sound better than any stereo i have heard in years despite the fact it is through my headphones on my mobile? None of this makes sense and yet..
there it is. That sounds beautiful.
audio stuff from 80s and 90s sounds more incredible that modern shit ones even if it's a sony or other big audio companies
It's incredible to see the level of quality inside the older shelf stereo models. Huge transformers and heatsinks that you'd typically only see in the real deal home theater receivers. It gives you a hint as to the power, quality, and amplification abilities of these things.
I'd say the MHCEC909IP model (the blue 540w RMS model) is the last high quality model from sony, as far as components go.
The successor to that model, the black 700w "MHCECL99BT" and its non-bluetooth counterpart, switched to class d amps and if you take them apart, they use very small power supplies, caps, heatsinks, you name it. They weigh less than a game console.
It's obvious Sony saw the decline of interest and stopped trying around 2013/14.
I used to have a jvc hxd77 and it had a small heatsink with ic amp and small transformers
Around four days back, I bought a Sony RXD10AV (which is 98% similar model) except that it does not play VCD but comes with other packed features such as DVD 5.1ch input and Dolby ProLogic Surround. It's also a very lightly used model with some scuffs. The tape deck was failing on me but I managed to fix the belts on one of the tape decks. I was lucky to get that...… THE SOUND IS AWESOME...BASS IS BLASTING...
Thank you, your video gave me confidence to open my device and check the belt- the CD tray wouldn't open
Turned out the CD tray belt just slipped over, I doubled it since it is worn out and put it back on- perfect again
THANK YOU SO MUCH! I had this exact problem and thanks to you I don't anymore. I don't really care about the CD function so I just disconnected the cables from the motherboard and got it to work again. You saved me from throwing it away.
I have no idea but I freaking love these types of speaker Styles
Thank you! Although I replaced the broken belt with a hair tie of all things (exact size match!) it didn't fix the buzzing completely so I simply unhooked the power to the CD changer as you instructed. There must be another broken belt deep within but I'm not using the CD feature anyway.
That is awesome! mine is still broken lol, sadly discarded all my cassette collection a while ago! I've hooked up a bluetooth streaming device, and it works great with my phone.
Sony GRX 80 HI-FI Power Music System... The best!. But your mini component system is very good! Congrats brother!
Beautiful hi-fi system bro
Old Hi-Fi stereos were the best
1999 sony with quick edge woofer. Its my dream now to find one with great condition to add it to my collection. Iam looking for mhc grx80 or grx800. Rxd80.
abowahid1980 wow you mentioned these hi-fi systems when I was 13-14 years old kid I had rich friend he had GRX80 and I used to begging 🥺 him if he can allow me to listen little bit. What a odd times, I used to dream one day I will have exactly same hi-fi. I’m going to look now for one ☝🏼
Thank you for the video, it helped me to fix my CD player.
I used two rubber bands, works perfectly.
The belts are available on Amazon
what was the name?
Glad I found this video my friend. Got the exact same issue with my Sony MHC RV777D system. Will try the same. Thanks a ton!!!
Excellent video! I have a MHC-RV6 bought in 2003 which now have the same fate with the VCD changer module. Produces the same grinning sound on power up. Will use your trick to depower the CD changer. Thanks a lot. 👍
RV6 is a great system! Let me know if you were able to cut the power to the VCD player.
Damn! I remeber as a student I rocked the hell out of this item. I had the same VCD version. I remeber my Kenny G live VCD. These brings back memories😂😂😂
Really well made video. Going to use it as a rough guide for my RX90
They dont make products as good anymore...i think the last was 1997, 1998...1997 being the time when SONY had the most RnD, money and sales...everything from 1988 to 1998 were top notch. So a decade of incredible stuff.
your absolutely right...This are the real monsters
I agree bro. Thats why I refuse to sell my mhc grx80
I have a Sony HCD-R550 , aprox. is the same system , the speakers are just3way but the woofer and demsions is the same ,is also from '99 and sounds very very clean and loud , you are lucky becouse you get theese speakers brand new 👍👍👍👍👍👍👍👍
When I bought this, I was afraid the woofer foam might have rotted out since I was told the box has never been opened and it was sitting in a home which was locked for almost 5 years, but thankfully everything was perfect. Yup, these speakers are really good, sounds better than today's Sony's tower HiFi stereos. 😊
Thanks for this video! I managed to fix the noise problem by removing those connections.
Hey, glad the video was helpful 😊
Quick note: If you have the same issue and want to unplug that 2 plugs (10:38), move them upward. Same axis as the cables, do not try to move them away from the board (perpendicular to the circuitboard). They had rails inside, it was hard to judge the direction needed to unplug without damaging the circuit. It worked in my case
Thanks. How did you get a. Hold of the wires .
I have the same problem, and I'd like to know what number of the belt? Please for the information.
I just bought an used VX8 yesterday. The sound is amazingly good. There is the same problem though, the CD belt and cassette belt are torn.
However I still own the GR8000 which is a beast.
I have a MHC RV5 bought it about 17 years ago, got the same problem that's why I made a search on youtube. Thanks for the tips will try to open it and use some elastics to solve the problem. The K7 are working fine.
I got mine fixed from the local repair shop :D they just cleaned the rollers and put new belts, everything is now functional.
I too had a RV 5.I sold it on olx and brought a GR8, an earlier generation model
Great video. Yes i agree what you said if what you got does what you want it to do and you happy with it then keep it. and use the money to spend it on something you do need. My stereo is 46 years old and full working order and i have a CD player connected to AUX inputs and sounds great.
Absolutely!! I never discard old stuff, unless its unfixable or really old and does not serve my purpose. 😊
i have repaired one with just a elastic
You are BRILLIANT
I want to buy speakers for this system. My speakers are not working as they got damaged . Can you tell me where can i buy speakers.
OLX
Diksha Pandey Speakers? Basically nowhere. Speakers are very rare these days...
The "bodge wires" are jumpers. It's just a simple way to use both sides of a single layer PCB.
This technique is still used on multi-layer PCBs on more modern electronics, though they tend to use surface mounted 0 ohm resistors (I assume it's easier for the assembly robots)
Thank you so much man this video helped me repair my system on my own ❤
Video was really relaxing. That has better bass than my speakers, maybe I should get one.
Thanks Richard, the audio quality is much better in real life since the camera mic is not able to capture the full range.
I have same unit. I replaced a broken belt with a rubber band. Buy a bag of different sized rubber bands. Used a small one and works perfectly.
I gave mine to our local service guy, replaced belts for CD and cassette, both are working now :D although I have no use for both CD and cassette lol, still it's nice to have a fully functioning unit.
what kind of rubber band did you buy?
Owen Adrian it was just a regular rubber band. I bought them at a dollar store or something equivalent. They came in a bag with a;pros 100 different sized rubber bands. Not a big rubber band. Not a small rubber band. Just medium sized. Plus , I left the side of the stereo off after I replaced the band. I was surprised how hot it get inside there, so I decided to just leave it off. I really like the stereo and was going to throw it away, but decided to give a rubber band a try.
ttown55 Nice info dude, hope thats help me fixing my father’s Sony Mini HiFi😄
Thank you so much bro. This video has really saved my music system. I had similar problems in fact exactly like yours. The noise kept coming and when ever I want to listen to music the CD tray use to come outside with noises too. I would just like to ask you how to disable power to the CD tray and how to install bluetooth in the system. Would really appreciate the help bro. Thanks a million ton bro
Mine is a MHC-DX3 and everything works fine but when I put caseetes in to play or record which was honestly the main reason I bought it, it randomly switches back and forth on the rewind and fast forward and makes super loud clunking noises for a while and then goes quiet and does nothing. I can't figure out what the issue is or how to fix it. It's the only issue I have with it. I just really want to record and play casettes, I don't think I'm able to fix it myself so I'm just hoping some repair shop nearby is willing to fix it, assuming they had the parts which they usually make you buy yourself if it is uncommon and overcharge...
You are sooo right. Its not fair for these giant companies behave like that. Years ago companies stood by tthier products.
Great video dude. Might as well order the belts and fix it. It's a shame for a good machine (no matter what that is) to work half way. Specially if the fix is easy. This year, since we are locked in the house anyway,I went ahead and fixed all the stereos and boomboxes that I had since the 90's. I also don't use cassette or cd anymore and hacked some of them to have bluetooth. But it's good to know that they still work and are in great condition after 3 decades of use. They don't make 'em like that anymore.
Thanks bro, I have the same problem, Now I only buy the belts
It's got an audio CD drive. That's the best part of this system. That's definitely better than MP3s
Excellent video. Just solved the whining noise in my Sony Rxd5 of the CD changer continually spinning even when listening to tuner/radio. When I opened it up the CD changer belts were still functioning and the disc changer keeps spinning. I disabled the motor as shown, no more noise. We only use it for the radio. I did notice the tape deck belts were lying in bits. Thx for posting you help me alot. Interested in the Bluetooth audio receiver option you mention.
Thank you!! I still have this stereo and have been thinking of getting the CD changer fixed, but don't see any point in doing so lol. I have a tutorial on how to install and set up a Bluetooth audio receiver, I'll link it here: th-cam.com/video/K2Bfe-zqdks/w-d-xo.html
i have a collection of sony hifis,vx8j,vx5j,Gn1300d,gn1200d,Gnv111d,I would like to say all music lovers here,90’s sony hifis are just incredible,You cant compare new generation china smps toys with this legends..Its awesome,their base and musiq quality makes me addiction,So those who having this vintage monsters feel the quality of music..
100 % agreed!
hi. i have sony gn1100d but it always shows "please wait" and no sound in fm, tape , aux. what may be issues please reply
amazing inside look good no dusting
Hi Tech Guy Charlie and others
So those music systems of 90s were chip based class d amplifiers and Not transistor based class AB discrete designs?..pls confirm if my understanding is correct?
I think you should at least fix the cd tray... playing CDs will surely be useful!
I have the HCD RX7C which is virtually identical and was making the exact same noise. Ordered a pack of different size belts from Amazon for very little money and fixed the two belts for the cd changer, took about 5 mins to do and its now fixed.
Now I need to work out how to do the cassette player cos after approx 25 years all the belts were like liquorice.
Thats awesome! a bit of isopropyl alcohol will do wonders removing the gooey old rubber belts.
I need to take the front panel off using the service manual, it's too fiddly to do it in situ
That is one of the reasons why I didn't bother fixing mine, I was ready to pay Sony for it, but they just refused to fix it, said they don't have spare parts for 10+ year old products.
My cd changer doesnt work at all,i am not sure if i broke the ffc cable or the ffc port from the cd changer itself
Nice video I am also facing this problem with Sony RV20 it cost a lot in 2004 need to repair
Thanks for this video.Can we use an amplifier with USB and Bluetooth for these speakers? Can you also please confirm the watts of each speaker? what type of amplifier would you recommend?
Where can I buy remote control ?
Which audio IC are used..?
Really Incredible
I have a sony stereo as well, the model is rx88 and I am having trouble getting it out of demo. I set the time as stated in the manual, but it just goes back to the demo
I do have a Philips Hi Fi Music System.... One of its cassate player door is stuck..... It's too embarrassing. Please guide me to open the cassate door and release the tape......
Dude… why not simply replace up the belts at both cassette players and the DVD motor? Then, replace all the electrolytic capacitors, despite no ring TOTL, they were intended to last more 20 + years….
How have you connected your mobile as auxiliary device. Which cable to use and which function to select?
It really dpends on what kind of phone you've got, most modern day phones dont even have a headphone jack, so most likley you will need to buy a Bluetooth audio receiver. As for the cable its a standard 3.5mm to RCA cable, plugs into the TV audio in port of the stereo.
Do the drum pads still work? Also, do u know where I can find old stock new sony hi-fi sets? Also, what happened to the surround speakers. Would love one in such great condition
I had similar issue, CD making noise on both of my identical stereo's (GRX35) in the last 12 months or so. I never used the CD, so its almost certain, that it was a "feature" they programmed. CD goes bad after 10yrs and annoy the user, so we would buy another one.... I did the same thing, disconnecting it, so they could not trick me either ;) Thats just my thinking though.. Awesome product BTW the sound is just amaizing considering its size and age.
it's not a programmed features, the belt go bad, it happens to all kinds of cassette decks and cds of every brand or design issues, there are a lot of other ways to make the user buy new stuff and mostly happens in phones/laptops/tv
Hello, sorry My English but nees yo now how they hell repair My grx80 cd player. No power at all. (Cd player) where can i take a look ?
Hi Bro, got any videos of changing belts for both cd and cassette racks for GRX5? Thanks
hi, where do i put the cd? thanks
Can you give me the tips to get music output from smart TV to this music system using MD function... or any any other idea ?
i need this model music system..where can i buy this
by me by paypal . if you see this xdd good dayz
@@micheltrottier6443 what i dont understand?
Hi sir is good system sony rxd8s?
I found to low price
I'm getting display - Protect , push power. And when I do, it goes on standby. Does not play. Any suggestions ?
Just buy good rubber band...I have done many times with my Philips dvd
Does it work???
Bro can we connect separate subwoofer
hi i need help, i have a chain with the following reference gzr999d i wanted it repaired but i made a mistake, i had a short circuit between the transformer of this chain and the cassett motor
Hi i have same system i dont require the cd changer & stereo so is it possible if I take out amplifier from this system & ask a technician to put the amplifier in a custom made cover?
I had the same grinding noise so I didn't use it for years. After seeing ur video I checked my audio system it had the same grinding noise and I cleaned it with blowing from vacuum cleaner and attempted to do it troubleshooting but only few lights are glowing in front panel and it's not working even after putting the cable to its previous position. Can an air blow from vacuum cleaner could damage a system? Any help
I have rx77s . I tried unplugging both . It cut power to CD player but I lost function of amp . Any suggestions anyone . ? I just need the auxiliary amp input. I guess I need to only unplug one of the connectors .. but which one ? If nay knows of link to service manual I’d be grateful. Any thoughts Charlie? Ps my belt were melted ..I was in a hot country and both Sony hifis developed same fault.
Thank you wery much your advice help me a lot !
One of this Mondel Stereo system I bought in 2000. It has really strong voice. at the moment it is too old
I wish you can show aiwa hifi system. Or if you can purchase that sony music system with 7 inch screen that will be great. I want to see how spectrum analysers works on it.
you have more ? can i buy ?
Inauzwa tsh ngapi?
Would you please tell me how to reset the setting of this system?
Power on...then press stop, enter and disc 1 at they same time. other is cold reset press stop, enter and power .
This is reparable in Delhi Rajiv Electronics at Karol Bagh .I bough a Sony GR 8 model and got it fixed
Already got it fixed from the local shop here dude, just needed a new set of belts. 😊
@@TechGuyCharlie Well where the repair shop is located.I need to change the slider pin of my said CD player
What is the power amplifier IC?
Where can i get it in uganda
I bought this stereo 425$ brand new in 1999. 21 years ago speakers very loud but receiver has many issues
Good elastic rubber band works as bands.
Hi tech guy Charlie,
First of all a big thanks for making a video of your repair attempt. It helped me gain courage to open and fix my MHC-G880 (bought in 1999 by parents) which had pretty much similar issues as your system when I turned it on almost after 10 years. Now when I play it I am reminded of what I was missing .. pure awesome sound with deep bass .
Couple of thoughts.
I could not unplug the CD unit power cables on the main board as you did. Was not coming out easily. Instead I removed the plugs on the other end on the CD unit board. Just in case someone faces same issue.
The bluetooth unit. I bought the same tp link that you have but realized it is v4.1 .. no deal breaker as the sound is awesome and range is good. However, I think a bluetooth v5 might be even better as all the new phones and devices are v5. Will that improve sould further- I don't know. Range and stability - definitely yes.
Lastly, I am contemplating fixing the CD unit belt but not really feeling pushed. I have few old CDs so again nothing much to gain and am happy with the way system works now. What about you? Did you fix the CD unit?
Thanks again dude.. :)
How can i fix my aux cable if i try to use mic volume it sounds bad and it makes a weird sound i tried a cd and it sounds fine
Where can I find these to buy
Amazing.. Thankss for ur solution.. If i want to keep it simple, can I just cut the cable?
No, don't cut it. Just unplug the connector from the main board like I did.
@@TechGuyCharlie my hifi is similar to yours but little more complicated..i cant reach the end of the cable so I cut it.. Is it safe?
@@gcha2806 😆😆😆
Bro I have a sony system of 2600w
120+120w audio , it used to work nice but you know it used to make kinda Susy noise,so I opened it.but it didn't work after assembly opened it again then it worked but the fan didn't work and it shuts every 30 minutes or if I play high bass songs or turn on " v groove"....PlZ help me 😭 it sounds like heaven
Hi bro, nice video. Any chances are there that I will get a new piece like this.I am very much fond of buying a Sony 3 VCD Player .Any sry if there is any idea for you to sell also pls tell me
Hi, I have a same model. All the belts gave melted away. Cd and cassette decks are not working. I want to use it as an amp but, the volume control is functioning erratically. Could you please help?
dwarakanath krishnamurthy you need to clean volume knop from old grease inside it
Sound is awesome
what's the cost of this system
Can you please tell me where to buy it? Thank you
Where did you buy this
Nice mini hi system.
Hey, thanks 😎
Where did you buy it?
Which camera u using bro?
Can you pls tell me where I can buy sony rv7 amplifier only
ebay or repair shops that re-sell second hand stereos.
Cassettes are cool af..
My sony model no is HCD-VX77J.
Can anyone help to resolve power protect issue and guide for replacing belts for the tape and CD player.
Could you please make a video on the Logitech Z526 or Z906 speaker?
Yes if Logitech sends them over! I have so many stereos now don't wanna buy another one lol running out of space to keep them😂
@@TechGuyCharlie good one 😄😄😄. After so many research, I finally bought the Logitech Z526. Believe me it's amazing, it looks tiny but an atom bomb. Can't play this beyond 50% volume.
its a single sided pcb with jumper wires on the other side, easier to manufacture than a double sided pcb
Your Sony home theatre with xplod woofer sounded best.
Thanks, bro, by the way, you should check that part 2 of the car stereo at home video! That system sounds the best.
Hey man, I hope you can answer. My stereo when turn to full volume with no music playing. I hear pink noise sound is it normal?
Yeah, normal for these old stereos, newer ones with Class D amps don't have this issue.
I have the grx50 from early 2000s with same cd tray problem D: