Garrard 770 (m?) disassembly

the jewel in the crown
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VolkOseba
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Garrard 770 (m?) disassembly

Post by VolkOseba » 23 Jan 2015 05:43

I've been attempting to resolve the common "my switches are stuck" problem with a Garrard 770, and rather than just spray-and-pray with Deoxit, I figured I'd remove the sub-plate assembly for more thorough cleaning and lubrication, necessitated in part by a 30+ year stay on the floor of a dusty basement. I know these tables aren't the most well-loved of the Garrards, and the cheap/fragile plastic-y feel of everything gives me an idea why that might be, but if the specs are anything to go by this table would beat just about any modern table in my price range (the best of which are probably all Hanpins) if restored to proper working condition. However, the service manual that has been uploaded here for the Garrard 770 (https://www.vinylengine.com/library/garrard/770.shtml) has been somewhat unhelpful-- but none exists specifically for the 770M (https://www.vinylengine.com/library/garrard/770m.shtml), which appears to be a better match for this table despite the label reading only "model 770."

I've gotten to the point that only four things are preventing the sub-plate from dropping free-- three of them being nuts located under the platter, which are easy enough to remove, the fourth being the cueing mechanism. I haven't the faintest idea how to remove it without breaking something.

Does anybody with experience thoroughly de-gunkifying one of these things remember how this comes apart?
http://i1119.photobucket.com/albums/k62 ... hpkzwv.jpg

VolkOseba
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Re: Garrard 770 (m?) disassembly

Post by VolkOseba » 29 Jan 2015 04:56

Never mind, one of those little c ring/clip things was inside holding it in place. I've since disassembled and reassembled everything and it seems to work fine, though the speed switch is still somewhat harder to manipulate than the off/manual/auto one.

A70BBen
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Re: Garrard 770 (m?) disassembly

Post by A70BBen » 29 Jan 2015 05:02

Perhaps this picture will help. The cueing mechanism drops out of the chassis along with the Unimech subchassis after the cueing platform is removed by taking off a tiny C-Clip. You also need to remove the plastic handle and raise the lever.

Incidentally the Garrard 770 and 770M are identical machines. The 770M was sold with a premounted cartridge. The 770 was sold without cartridge.
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770 Unimech subchassis(3a1).jpg
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