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Cleaning Marantz face plate and internals #5277740 11/26/19 08:51 AM
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Alfred_B Offline OP
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How can I clean Marantz face and the internals? I just bought a SR 820DC that I will need to clean when it's delivered.

Re: Cleaning Marantz face plate and internals [Re: Alfred_B] #5277797 11/26/19 09:56 AM
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NormanBuntz Offline
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Mild soap on the faceplate, and electronics cleaner/lube spray on the inside. Sold by Amazon. I like the older Marantz products


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Re: Cleaning Marantz face plate and internals [Re: Alfred_B] #5277875 11/26/19 11:48 AM
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Alfred_B Offline OP
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This one is early 80-s and quite rare.

Re: Cleaning Marantz face plate and internals [Re: Alfred_B] #5277924 11/26/19 12:40 PM
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nthach Online Content
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Pics of said Marantz?

The writing on the face will be delicate so don't brute force it with IPA, chlorinated solvents, etc. Try gentle like castile soap. Use a artist's rubber eraser for marks or smudges.

For the insides, I assume Molykote 33, YM-102(sold as Toyota Body Grease W) or Super Lube grease could work. I found this: https://www.hifiengine.com/manual_library/marantz/sr820dc.shtml

You need to register but it looks like they have the service literature there.

Re: Cleaning Marantz face plate and internals [Re: Alfred_B] #5278017 11/26/19 02:05 PM
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mk378 Online Content
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What would you put grease on?

In general, aggressively cleaning an antique piece is discouraged. As nthatch said, the silk-screened writing is prone to come off. If it was owned by a smoker you may have a lot of smoke on the inside of the display glass. Usually it is not complicated to take off the front panel facade to clean that part.

Re: Cleaning Marantz face plate and internals [Re: Alfred_B] #5281224 11/30/19 02:42 PM
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kc8adu Offline
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watch out on reverse painted dial glass!
some wipe off easily.

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