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Vintage Sony Reel to Reel, bad play head? [message #334757]

Fri, 18 April 2008 17:08

J-Ho
Messages: 7
Registered: April 2008
Location: Tucson, AZ

Member

I recently picked up a Sony TC350 from a haul-away guy, and it has a little problem. I cleaned it up on the outside and in, made a couple mechanical adjustments to tighten up its movement, revitalized rubber components, cleaned the heads, and let her rip. All works great, but after an undetermined amount of time in 'play' the left channel meter will begin to (what I can only describe as) bounce rapidly, which looks to be at 22Hz on a spectrum analyzer, but it renders audio on that channel useless. I suspected it was built up charge on the heads from the unit being approx. 40 years old, so I de-magged it, and it seemed to be fixed, but after more time in play, it comes back. If I let the machine sit off/unplugged over night, it doesn't show up again for a while. It happens whether there is a tape threaded or not, and only while monitoring from tape, in play.

I'm out of ideas, can anyone help?

Josh

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[Message index]

	Vintage Sony Reel to Reel, bad play head? By: J-Ho on Fri, 18 April 2008 17:08
	Re: Vintage Sony Reel to Reel, bad play head? By: Bill_Urick on Sat, 19 April 2008 05:51
	Re: Vintage Sony Reel to Reel, bad play head? By: J-Ho on Mon, 21 April 2008 06:53
	Re: Vintage Sony Reel to Reel, bad play head? By: Bill_Urick on Mon, 21 April 2008 18:02
	Re: Vintage Sony Reel to Reel, bad play head? By: J-Ho on Fri, 25 April 2008 04:06
	Re: Vintage Sony Reel to Reel, bad play head? By: Bill_Urick on Sat, 26 April 2008 05:42
	Re: Vintage Sony Reel to Reel, bad play head? By: J-Ho on Sun, 27 April 2008 23:42
	Re: Vintage Sony Reel to Reel, bad play head? By: Bill_Urick on Mon, 28 April 2008 06:00
	Re: Vintage Sony Reel to Reel, bad play head? By: J-Ho on Mon, 28 April 2008 17:02
	I need a 10Mf 10V capacitor By: J-Ho on Wed, 30 April 2008 15:34
	Re: I need a 10Mf 10V capacitor By: Bill_Urick on Wed, 30 April 2008 19:49
	Re: I need a 10Mf 10V capacitor By: MagnetoSound on Thu, 01 May 2008 05:54
	Re: I need a 10Mf 10V capacitor By: Jay Kadis on Thu, 01 May 2008 09:35
	Re: I need a 10Mf 10V capacitor By: MagnetoSound on Thu, 01 May 2008 11:51
	Re: I need a 10Mf 10V capacitor By: Bill_Urick on Fri, 02 May 2008 05:03
	Re: I need a 10Mf 10V capacitor By: Jay Kadis on Fri, 02 May 2008 13:23
	Re: Vintage Sony Reel to Reel, bad play head? By: J-Ho on Thu, 08 May 2008 17:36
	Re: Vintage Sony Reel to Reel, bad play head? By: Jay Kadis on Thu, 08 May 2008 18:03

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