What If The CD Player Doesn't LIKE The Disc?

E

EADGBE

Guest
More CD player shenanigans....

I still haven't gotten round to measuring the voltages in the Audio
Alchemy CD player...but I promise to do so soon!

But in the meantime, I have another question, about another CD
player...

I have a Magnavox CDB650 that I purchased new back in the 1980's.

In all this time, it has never given me any problem (touch wood).

I recently purchased a new CD that the Magnavox player WILL NOT
recognize. When I insert the CD into the player, it spins for a
moment, and then the "Error" light comes on.

This is the ONLY disc I own that this Magnavox won't recognize. It's
as if the player doesn't like the disc or something.

This is NOT a CD-R disc. It is a brand new, mint condition, store-
bought disc. It is also NOT a disc with any multimedia content on
it. It is nothing more than a normal, regular CD.

All of my other CD players have no problem playing this disc.

While I'm at it, there is another disc that is a bit weird when
inserted into the Magnavox. I have a copy of Nat King Cole's "Just
One Of Those Things" -- one of his lesser-known albums.

The disc plays fine in the Magnavox, but through the window you can
see the disc spinning VERY crooked. It is not level at all. Why
would this happen? Believe it or not, the Magnavox plays it just
fine, with no skipping or any other problems.

By the way, the disc that the Magnavox refuses to play spins perfectly
flat. No vibration at all.
 
On 08/12/2008 08:21 PM, EADGBE sent:
More CD player shenanigans....

I still haven't gotten round to measuring the voltages in the Audio
Alchemy CD player...but I promise to do so soon!

But in the meantime, I have another question, about another CD
player...

I have a Magnavox CDB650 that I purchased new back in the 1980's.

In all this time, it has never given me any problem (touch wood).

I recently purchased a new CD that the Magnavox player WILL NOT
recognize. When I insert the CD into the player, it spins for a
moment, and then the "Error" light comes on.

This is the ONLY disc I own that this Magnavox won't recognize. It's
as if the player doesn't like the disc or something.

This is NOT a CD-R disc. It is a brand new, mint condition, store-
bought disc. It is also NOT a disc with any multimedia content on
it. It is nothing more than a normal, regular CD.

All of my other CD players have no problem playing this disc.

While I'm at it, there is another disc that is a bit weird when
inserted into the Magnavox. I have a copy of Nat King Cole's "Just
One Of Those Things" -- one of his lesser-known albums.

The disc plays fine in the Magnavox, but through the window you can
see the disc spinning VERY crooked. It is not level at all. Why
would this happen? Believe it or not, the Magnavox plays it just
fine, with no skipping or any other problems.

By the way, the disc that the Magnavox refuses to play spins perfectly
flat. No vibration at all.
Click to expand...
Hello to All:

Wouldn't this be a good time to try a gentle lens cleaning per Sam
Goldwasser's tips? Mfgr'd in 1980? Recently cleaned? Worth one last
try I'd think...

<http://www.repairfaq.org/REPAIR/F_cdfaq.html>

Cheers to all.

--
1PW

@?6A62?FEH9:DE=6o2@=]4@> [r4o7t]
 
Thanks, as usual, for all the great info so far.

I forgot to mention that I did try cleaning the laser lens. I used
91% isopropyl alcohol, which usually works pretty well, unless there
is a better method that I don't know about.
 
On Tue, 12 Aug 2008 20:21:15 -0700 (PDT), EADGBE
<hwbosshoss@comcast.net> put finger to keyboard and composed:

More CD player shenanigans....

I still haven't gotten round to measuring the voltages in the Audio
Alchemy CD player...but I promise to do so soon!

But in the meantime, I have another question, about another CD
player...

I have a Magnavox CDB650 that I purchased new back in the 1980's.

In all this time, it has never given me any problem (touch wood).

I recently purchased a new CD that the Magnavox player WILL NOT
recognize. When I insert the CD into the player, it spins for a
moment, and then the "Error" light comes on.
Click to expand...
Whenever I have compatibility problems like this, I burn a copy of the
disc. The copy usually plays flawlessly. If it doesn't, then I'd
suspect something is wrong with the contents of the disc, perhaps copy
protection as mentioned elsewhere. Is it possible that older players
can't handle CDs with combined audio and data, and is your CD one of
these?

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
 
In article <6qd6a41qdlatb383g2vrd76ffbo2pg6aij@4ax.com>,
fzabkar@iinternode.on.net says...
On Tue, 12 Aug 2008 20:21:15 -0700 (PDT), EADGBE
hwbosshoss@comcast.net> put finger to keyboard and composed:

More CD player shenanigans....

I still haven't gotten round to measuring the voltages in the Audio
Alchemy CD player...but I promise to do so soon!

But in the meantime, I have another question, about another CD
player...

I have a Magnavox CDB650 that I purchased new back in the 1980's.

In all this time, it has never given me any problem (touch wood).

I recently purchased a new CD that the Magnavox player WILL NOT
recognize. When I insert the CD into the player, it spins for a
moment, and then the "Error" light comes on.

Whenever I have compatibility problems like this, I burn a copy of the
disc. The copy usually plays flawlessly. If it doesn't, then I'd
suspect something is wrong with the contents of the disc, perhaps copy
protection as mentioned elsewhere. Is it possible that older players
can't handle CDs with combined audio and data, and is your CD one of
these?

- Franc Zabkar

I would ask how large the data is on it. Some players cannot handle a
Click to expand...
disc with more than 80 mins of audio on it. Some have a problem with
more than 74 mins. I have a factory Madonna CD that is 74:30 and it will
not play in one of my players, but it is fine in all the others. Audio
CDs can contain up to 99 minutes of data (874MB), but they have to be
carefully written at a very low speed.

- Tim -
 
On Wed, 13 Aug 2008 17:50:24 -0300, Tim <tim@tim.tim> put finger to
keyboard and composed:

I would ask how large the data is on it. Some players cannot handle a
disc with more than 80 mins of audio on it. Some have a problem with
more than 74 mins. I have a factory Madonna CD that is 74:30 and it will
not play in one of my players, but it is fine in all the others. Audio
CDs can contain up to 99 minutes of data (874MB), but they have to be
carefully written at a very low speed.

- Tim -
Click to expand...
I have an old Philips/Marantz player that won't play 80 min CDs. As
for wobble, ISTR I once played a CD that was either recorded
eccentrically, or was not clamped centrally. The player's voice coil
positioner visibly wobbled from side to side but tracked the disc
perfectly.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
 
EADGBE <hwbosshoss@comcast.net> writes:

Thanks, as usual, for all the great info so far.

I forgot to mention that I did try cleaning the laser lens. I used
91% isopropyl alcohol, which usually works pretty well, unless there
is a better method that I don't know about.
Click to expand...
Should be adeqate, and if there was no obvious change one way or the
other, the lens was probably clean enough.

--
sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/
Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
+Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
| Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html

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