Do they work or are they a con?

"informer" wrote in message
...
Do they work or are they a con?


They are of NO USE whatsoever. The lens has a little ' wall ' around the
edge of it, which just serves to deflect the brush bristles so that they
only touch the very centre of the lens. I have also had these lens cleaner
discs actually cause damage to the laser, as a result of the brush bristles
getting caught in the cover which surrounds the lens, and pulling it off.

Cleaning the lens properly using isopropyl alcohol and a cotton bud is not,
in most cases, hard to do, but if you don't feel confident to do it, take it
to a professional.

Arfa

I've used an impregnated camera lens cleaning cloth very carefully on main
CD (the lens comes out with the tray) but dreading cleaning the kitchen one
as it can't be seen from the outside.

--
John the West Ham fan


"Arfa Daily" wrote in message
...

"informer" wrote in message
...
Do they work or are they a con?


They are of NO USE whatsoever. The lens has a little ' wall ' around the
edge of it, which just serves to deflect the brush bristles so that they
only touch the very centre of the lens. I have also had these lens cleaner
discs actually cause damage to the laser, as a result of the brush
bristles getting caught in the cover which surrounds the lens, and pulling
it off.

Cleaning the lens properly using isopropyl alcohol and a cotton bud is
not, in most cases, hard to do, but if you don't feel confident to do it,
take it to a professional.

Arfa

On Sun, 19 Feb 2006 14:31:15 +0000 (UTC), informer wrote:


Do they work or are they a con?


Con. Dust is basically very tiny rocks and scraping them off of a fragile
lens at high speed is a sure fire way of scratching the lens.

People always say "use a CD cleaner" because it is a brainless fix and is
similar to using a VCR head cleaning tape.

However, a dirty lens is responsible for probably less than 2% of CD player
failures, mostly people living in the midst of a duststorm. Far more likely
is a mechanical problem, servo adjustment, or laser output.

If you must have the lens cleaned, spend the 10 minutes to pull the player out
of your setup, pull the cover, and use a q-tip and denatured rubbing alcohol.

"AZ Nomad" wrote in message
...
On Sun, 19 Feb 2006 14:31:15 +0000 (UTC), informer
wrote:


Do they work or are they a con?


Con. Dust is basically very tiny rocks and scraping them off of a fragile
lens at high speed is a sure fire way of scratching the lens.

People always say "use a CD cleaner" because it is a brainless fix and is
similar to using a VCR head cleaning tape.

However, a dirty lens is responsible for probably less than 2% of CD
player
failures, mostly people living in the midst of a duststorm. Far more
likely
is a mechanical problem, servo adjustment, or laser output.

If you must have the lens cleaned, spend the 10 minutes to pull the player
out
of your setup, pull the cover, and use a q-tip and denatured rubbing
alcohol.

Having been a professional repairer of CD players ever since they first came
on the scene, and having seen just about every make and model from cornflake
packet freebies to TTP priced 'professional' units, I cannot agree that only
2% of CD faults are caused by dirty lenses. In my humble opinion, at least
40% of CD problems are dirty lens related, a further 40% are caused by a
defective optical block, 10 % are mechanical, and a small 10% are support
circuitry related.

In contrast, DVD problems are most NEVER caused by a dirty lens. With those,
10% are probably mechanical problems, 50% are faulty optical blocks, and 40%
are electronic problems.

Arfa