Question about JVC RV-B90 Boombox

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The rubber on the speaker surrounds

Rubber is coming off on my hands whenever I touch them.Any solution?

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  • g_i_f Sep 22, 2008

    The black rubber ends that cover the JVC RV-B90 sub-woofers was cleaned using a household cleaner. Every since then the rubber has become sticky to touch. Any cleaning agent seems to breakdown the rubber surface. It now leaves a black residue on your hands when touched. Because it is sticky, dust and dirt stick to it. If you try to clean it with any type of cleaner, it becomes more sticky. What can be used to clean the rubber and prevent it from being sticky?

  • PSVR Sep 29, 2008

    Thanks for your suggestion. Before I read it I tried Isopropyl alcohol and some rags. It worked pretty well (not pristine but the goo is gone). It took a few rags and some elbow grease But I'm happy. Time involved about 1/2 hour per piece.

  • toolkitguy1 Apr 07, 2009

    Yes, I have the same problem with the rubber like coating on the knobs and End caps over the woofers. My unit is a RV-B90GY. The unit is new in the box. I got it out the other day and noticed the tackyness to where the coating was applied. This breakdown occurred in the box. It was never used. Called JVC and they were about as helpful as doors on a motorcycle. This should be a recall.



    To remove the goo you need to break it down further. I used Windex that has ammonia in it. Also used Isopropyl alcohol 70%. Sprayed windex on parts and let it stand for an hour. Scrubbed the knobs and end caps with the solutions and a denture cleaning brush until the goo was gone. Then used dawn liquid soap for the final cleanup. After parts dried they had a dull finish. Used Turtlewax auto paste to shine it up. Looks assume now. Hope this helps.

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I have removed all te rubbercoating by using a degrease liquid the they use normaly in the kitchen to clean the oven : It's perfect now .. a clean plastic surface ... just like new !!!
Be careful with other agresive cleaning products , otherwise you demage the plastic surface below the rubber coating .
Try it out it works perfect .
I hope your problem is solved now .
Excuse me for my incorect englisch ... i'm living in Belgium and my motherlanguage is dutch .

Posted on Oct 08, 2008

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I fixed it perfect by buying some Motsenbocker's Lift Off Silicone Latex Caulk and Foam Sealent Remover from Home Depot and applying the gel with rubber gloves (also from Home Depot). Took off the sides of the boombox and knobs. Took about 30 mins in a stainless steel sink.
Then bought some Black Flat spray paint at Walmart and sprayed.
It looks perfect when all put back together.

Remover $5.00
Paint $3.00
Gloves $2.00
Plastic scrubbing brush to throw away after $1.00

Posted on Apr 27, 2009

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I used 99% pure Isopropyl alcohol that I got at a local drugstore. It took lots of paper towels and Q-tips to clean off the rubber coating. It probably took about 30 minutes per end, as there are a few hard areas to reach. Once the rubber coating is removed it leaves you the greyish black plastic surface underneath. Now it is no longer sticky and does not get covered with dirt and dust. Also you no longer get a black residue on your hands when touching it. I am very happy with the results.

Posted on Feb 02, 2009

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I also had this same problem. As recommended above, silicon caulk remover works marvelously to take off the sticky coating.

To be fair, cleaning does not take 3 hours of your own time. After a few minutes to apply the cleaner, you just let them sit around for 3 hours. (I even found that letting them sit overnight helped clean the large end handles thoroughly.)

Posted on Feb 02, 2009

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Basic washing up liquid remove the six Allen bolts wash in sink with a green pad hair dry till dry then spray with black Matt car spray it will look like new

Posted on Sep 11, 2011

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Rain-x spray on worked great 30 min

Posted on Aug 09, 2010

You have to wash it up wih some silicone remover.it took me 3 hours to clean it :)

Posted on Sep 29, 2008

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