sci.electronics.repair Google Group

Re: Sony PS-LX510 Turntable

2010-03-19T14:41:18Z

On Fri, 19 Mar 2010 10:36:04 -0400, Madness
If you found factory lube turned sticky anywhere else suspect it has
done the same anywhere it was employed.

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2010-03-19T14:39:33Z

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Re: Sony PS-LX510 Turntable

2010-03-19T14:36:04Z

>
>
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The motor bearing? I'll take a look at it.

Re: Sony PS-LX510 Turntable

2010-03-19T15:28:34Z

i don't think I ever had this problem. I know the low frequency fundamemtal resonance
of the arm/cartridge can agrivate this. To find out place the needle on the non moving
record and gently tap the record to see if there is a similar frequency sound. You could also try a record
clamp but this may actually increase rumble. A record clamp makes a huge difference on the tap test.

Re: Sony PS-LX510 Turntable

2010-03-19T14:15:44Z

have you washed out the bearing and re-lubed it? could be just hardened lube
rather than grime

Sony PS-LX510 Turntable

2010-03-19T13:58:02Z

Been working on this turntable for a bit of time. Did get a copy of the
service manual. Replaced tonearm belt, lubed rail & adjusted some of the
adjustment screws (arm height,tracking error, etc.) inside the tonearm,
itself. So, no more sticking during play. But one issue remains: rumble
being picked up when the stylus lands on the record. Being a

Re: Tants. So what's the failure mechanism ... ?

2010-03-19T13:56:52Z

It seems to me that tants are notoriously intolerant of reverse voltage -
even at small signal levels!
These days ceramic chip capacitors can be found upto several uF (maybe even
10) that are small enough to substitute bead types, for larger values I'd be
tempted to go for high temp/low ESR aluminium types and maybe add a ceramic

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2010-03-19T13:51:06Z

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Re: What happens to old CRT monitors?

2010-03-19T13:45:46Z

Well, we've seen a lot of electronic equipment shipped off to third-world
countries for recycling.

Re: Taped show not showing up on TV screen

2010-03-19T13:35:45Z

I think a large part of explaining a concept to someone is the amount
of effort that someone wants to put into understanding it. I can be
as dumb as a knob in an area, but if I put enough time and effort into
it, I will eventually understand it. However, without the initial
building blocks, the amount of time and effort could be well beyond

Re: What happens to old CRT monitors?

2010-03-19T13:33:36Z

"William Sommerwerck" <grizzledgee...@comcast.net> wrote in
Labor cost is probably the reason.

Re: What happens to old CRT monitors?

2010-03-19T13:11:59Z

You'd think that, given the high prices of gold and copper, it would be
profitable to recycle monitors.

Re: What happens to old CRT monitors?

2010-03-19T12:56:17Z

Pretty much everything can be salvage from most electronics, if you do
it correctly.
Plastic can be reground and reused
So can glass
Some chips and expensive components are extracted and reused
Components containing high amounts of precious metals or pure metals
are removed for separate recycling
Remaining boards and components can usually be ground up to remove

Re: What happens to old CRT monitors?

2010-03-19T12:37:15Z

On Thu, 18 Mar 2010 08:38:15 -0000, Daniel James <dan...@me.invalid>
wrote:
There's a garden near here which has an imitation Stonehenge made of
mainframe cases
True about the gold, and the monitors going overseas for "recycling"
When a private school near where I used to live replaced its computers

First Marshall use of PbF ? / Test for PbF

2010-03-19T11:27:54Z

Just found 4 PbF faults on a 2003 AS50R, no mention of RoHS/PbF on the pcb
as pre-2006. Distortion after an hour of normal use
Appearance probably but not definitively PbF, shallow cones rather than
domes but no pastey/crackle-finish or white blotchiness. Anyone have any
precise knowledge about their first using date?

sci.electronics.repair Google Group

Re: Sony PS-LX510 Turntable

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Re: Sony PS-LX510 Turntable

Re: Sony PS-LX510 Turntable

Re: Sony PS-LX510 Turntable

Sony PS-LX510 Turntable

Re: Tants. So what's the failure mechanism ... ?

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Re: What happens to old CRT monitors?

Re: Taped show not showing up on TV screen

Re: What happens to old CRT monitors?

Re: What happens to old CRT monitors?

Re: What happens to old CRT monitors?

Re: What happens to old CRT monitors?

First Marshall use of PbF ? / Test for PbF

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