minidisc player shows track but won't play tracks

On Apr 17, 3:34 pm, Sjouke Burry <burrynulnulf...@ppllaanneett.nnll>
wrote:
willywainwright wrote:
On Apr 16, 11:30 am, Meat Plow <mhywa...@yahoo.com> wrote:
On Sat, 16 Apr 2011 10:10:06 -0700, willywainwright wrote:
hello, I have a number of sony minidisc players that suddenly won't play
the track for no apparent reason. I've tried batteries and plug in power
with no difference. Powers up fine, shows spinning icon in window, track
number shows but I can't get the units to play the disc. I've tried it
in all positions, even upside down and sideways but still no playing of
disc
any ideas?
willy
So let me see if I understand you. You have multiple players that won't
play one track on one disc? Or you have one disc that won't play any
tracks on multiple players? Or you have multiple discs that won't play on
multiple players? Which is it?

--
Live Fast Die Young, Leave A Pretty Corpse

I have disc's that play fine on two of my players but no disc's at all
will play on these three.
in other words, it's not the discs it seems to be the players. can't
figure out if there's anything I can do.

Try one with an external powersource.
did that, hoping it would make a difference, but got the same result.
Thanks for the suggestion. willy
 
"willywainwright" <ww10@mac.com> wrote in message
news:1360b0ff-dfc8-4fd6-b13b-18a3c0ca4f95@a21g2000prj.googlegroups.com...
On Apr 17, 5:38 pm, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"willywainwright" <w...@mac.com> wrote in message

news:25afe1d0-f5ec-423f-ae7c-a22b29f43c59@q40g2000prh.googlegroups.com...





On Apr 16, 12:23 pm, a7yvm109gf...@netzero.com wrote:
On Apr 16, 12:10 pm, willywainwright <w...@mac.com> wrote:

hello, I have a number of sony minidisc players that suddenly won't
play the track for no apparent reason. I've tried batteries and plug
in power with no difference. Powers up fine, shows spinning icon in
window, track number shows but I can't get the units to play the
disc.
I've tried it in all positions, even upside down and sideways but
still no playing of disc
any ideas?
willy

1) Try lens cleaner disc.
2) Now toss the whole shebang in the garbage
3) Get a free cell phone, even they'll come with a MP3 player.

Minidisc is over. It's dead, finished, kaput. And I'm speaking as
someone who bought a MZ-1 when they first came out.

maybe a lens cleaner disc would work. wonder if I can find one. I'll
give it a try. Garbage is full of my cassette tapes and players and
all my 8-track tapes. Willy

Never ever use 'cleaner' discs - not that I recall ever seeing one for a
mindisc anyway. They invariably never do anything to help, and in the
case
of DVDs, I've seen them cause expensive damage where the little 'brush'
hairs embedded in the disc, have caught in the lens suspension, and
mangled
it as the disc has then rotated. I used to do a lot of work on Sony MD
players, when a guy that I did work for was a regional service centre.
For
the most part, failure to play discs is down to a worn out laser.
Sometimes,
you can get around that for a while, by resetting the laser parameters
via
built in diagnostic software, but it is a complex and tricky procedure to
do. Another thing to check is that when the disc is loaded, it is free to
rotate. I had many examples where the turntable had been pushed down on
the
motor shaft, until it jammed the motor. Another very common problem was
'crap in the works'. The sled drive comprises gears with *very* fine
teeth.
The slightest bit of contamination in them, is enough to stop the gears
from
turning. The contamination in question, often seemed to be very fine
sand,
but I guess that it could have been 'pocket grit'. Just one grain in one
of
the gear teeth, will jam the mech and stop the laser from homing, which
will
result in the disc failing to spin up, and the TOC not being read.
Finally,
I suppose you do actually see the display come up and hear the disc
loading
as though it's about to do everything normally ? I have had cases where
the
door-closed sense switch has caused problems. A word of warning though.
You
need to have the patience of a saint to work on these things, and some
very
fine tools, including a quality set of Philips jeweler's screwdrivers,
and
pointed tweezers. Magnetize the screwdriver first. The tiny little screws
are no bigger than an ant, and easily lost. Work on a large sheet of
paper,
and use a strong light, and a magnifying glass. And you need to be able
to
hold your breath pretty well, also ... d :-|

Arfa

Thank you Arfa, great reply, full of good info. Don't know that I will
attempt the fix but at least I want to be sure it's not something I've
overlooked,like the hold switch set to on. In this case I guess these
things just wear out after awhile. Would you, or anyone, know of a
good repair shop to send these units to? And also, would you be able
to tell me about how much you guys used to charge for repairs. Hourly?
just curious.
Willy
My going rate for this sort of stuff is around 22 UKP ( $35 ) an hour. It's
not really a true reflection of the complexity / fiddly nature of the work,
but it's about the most that these jobs will stand. Any more than an hour
plus parts, effectively writes them off.

Arfa
 
On Tue, 19 Apr 2011 02:07:09 +0100, Arfa Daily wrote:

"willywainwright" <ww10@mac.com> wrote in message
news:1360b0ff-dfc8-4fd6-
b13b-18a3c0ca4f95@a21g2000prj.googlegroups.com...
On Apr 17, 5:38 pm, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"willywainwright" <w...@mac.com> wrote in message

news:25afe1d0-f5ec-423f-ae7c-
a22b29f43c59@q40g2000prh.googlegroups.com...





On Apr 16, 12:23 pm, a7yvm109gf...@netzero.com wrote:
On Apr 16, 12:10 pm, willywainwright <w...@mac.com> wrote:

hello, I have a number of sony minidisc players that suddenly
won't play the track for no apparent reason. I've tried batteries
and plug in power with no difference. Powers up fine, shows
spinning icon in window, track number shows but I can't get the
units to play the disc.
I've tried it in all positions, even upside down and sideways but
still no playing of disc
any ideas?
willy

1) Try lens cleaner disc.
2) Now toss the whole shebang in the garbage 3) Get a free cell
phone, even they'll come with a MP3 player.

Minidisc is over. It's dead, finished, kaput. And I'm speaking as
someone who bought a MZ-1 when they first came out.

maybe a lens cleaner disc would work. wonder if I can find one. I'll
give it a try. Garbage is full of my cassette tapes and players and
all my 8-track tapes. Willy

Never ever use 'cleaner' discs - not that I recall ever seeing one for
a mindisc anyway. They invariably never do anything to help, and in
the case
of DVDs, I've seen them cause expensive damage where the little
'brush' hairs embedded in the disc, have caught in the lens
suspension, and mangled
it as the disc has then rotated. I used to do a lot of work on Sony MD
players, when a guy that I did work for was a regional service centre.
For
the most part, failure to play discs is down to a worn out laser.
Sometimes,
you can get around that for a while, by resetting the laser parameters
via
built in diagnostic software, but it is a complex and tricky procedure
to do. Another thing to check is that when the disc is loaded, it is
free to rotate. I had many examples where the turntable had been
pushed down on the
motor shaft, until it jammed the motor. Another very common problem
was 'crap in the works'. The sled drive comprises gears with *very*
fine teeth.
The slightest bit of contamination in them, is enough to stop the
gears from
turning. The contamination in question, often seemed to be very fine
sand,
but I guess that it could have been 'pocket grit'. Just one grain in
one of
the gear teeth, will jam the mech and stop the laser from homing,
which will
result in the disc failing to spin up, and the TOC not being read.
Finally,
I suppose you do actually see the display come up and hear the disc
loading
as though it's about to do everything normally ? I have had cases
where the
door-closed sense switch has caused problems. A word of warning
though. You
need to have the patience of a saint to work on these things, and some
very
fine tools, including a quality set of Philips jeweler's screwdrivers,
and
pointed tweezers. Magnetize the screwdriver first. The tiny little
screws are no bigger than an ant, and easily lost. Work on a large
sheet of paper,
and use a strong light, and a magnifying glass. And you need to be
able to
hold your breath pretty well, also ... d :-|

Arfa

Thank you Arfa, great reply, full of good info. Don't know that I will
attempt the fix but at least I want to be sure it's not something I've
overlooked,like the hold switch set to on. In this case I guess these
things just wear out after awhile. Would you, or anyone, know of a good
repair shop to send these units to? And also, would you be able to tell
me about how much you guys used to charge for repairs. Hourly? just
curious.
Willy

My going rate for this sort of stuff is around 22 UKP ( $35 ) an hour.
It's not really a true reflection of the complexity / fiddly nature of
the work, but it's about the most that these jobs will stand. Any more
than an hour plus parts, effectively writes them off.

Arfa
Most of the time unless the customer is willing to pay it's just not
worth it to repair these things. I've had a couple apart and they are
complex and difficult to work on because of the size. Those that I have
repaired I had to use my 20x stereo magnifier visor and hold my face
about 4 inches from the piece while working on it.



--
Live Fast Die Young, Leave A Pretty Corpse
 
"Meat Plow" <mhywattt@yahoo.com> wrote in message
news:pan.2011.04.19.16.48.43@lmao.lol...
On Tue, 19 Apr 2011 02:07:09 +0100, Arfa Daily wrote:

"willywainwright" <ww10@mac.com> wrote in message
news:1360b0ff-dfc8-4fd6-
b13b-18a3c0ca4f95@a21g2000prj.googlegroups.com...
On Apr 17, 5:38 pm, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"willywainwright" <w...@mac.com> wrote in message

news:25afe1d0-f5ec-423f-ae7c-
a22b29f43c59@q40g2000prh.googlegroups.com...





On Apr 16, 12:23 pm, a7yvm109gf...@netzero.com wrote:
On Apr 16, 12:10 pm, willywainwright <w...@mac.com> wrote:

hello, I have a number of sony minidisc players that suddenly
won't play the track for no apparent reason. I've tried batteries
and plug in power with no difference. Powers up fine, shows
spinning icon in window, track number shows but I can't get the
units to play the disc.
I've tried it in all positions, even upside down and sideways but
still no playing of disc
any ideas?
willy

1) Try lens cleaner disc.
2) Now toss the whole shebang in the garbage 3) Get a free cell
phone, even they'll come with a MP3 player.

Minidisc is over. It's dead, finished, kaput. And I'm speaking as
someone who bought a MZ-1 when they first came out.

maybe a lens cleaner disc would work. wonder if I can find one. I'll
give it a try. Garbage is full of my cassette tapes and players and
all my 8-track tapes. Willy

Never ever use 'cleaner' discs - not that I recall ever seeing one for
a mindisc anyway. They invariably never do anything to help, and in
the case
of DVDs, I've seen them cause expensive damage where the little
'brush' hairs embedded in the disc, have caught in the lens
suspension, and mangled
it as the disc has then rotated. I used to do a lot of work on Sony MD
players, when a guy that I did work for was a regional service centre.
For
the most part, failure to play discs is down to a worn out laser.
Sometimes,
you can get around that for a while, by resetting the laser parameters
via
built in diagnostic software, but it is a complex and tricky procedure
to do. Another thing to check is that when the disc is loaded, it is
free to rotate. I had many examples where the turntable had been
pushed down on the
motor shaft, until it jammed the motor. Another very common problem
was 'crap in the works'. The sled drive comprises gears with *very*
fine teeth.
The slightest bit of contamination in them, is enough to stop the
gears from
turning. The contamination in question, often seemed to be very fine
sand,
but I guess that it could have been 'pocket grit'. Just one grain in
one of
the gear teeth, will jam the mech and stop the laser from homing,
which will
result in the disc failing to spin up, and the TOC not being read.
Finally,
I suppose you do actually see the display come up and hear the disc
loading
as though it's about to do everything normally ? I have had cases
where the
door-closed sense switch has caused problems. A word of warning
though. You
need to have the patience of a saint to work on these things, and some
very
fine tools, including a quality set of Philips jeweler's screwdrivers,
and
pointed tweezers. Magnetize the screwdriver first. The tiny little
screws are no bigger than an ant, and easily lost. Work on a large
sheet of paper,
and use a strong light, and a magnifying glass. And you need to be
able to
hold your breath pretty well, also ... d :-|

Arfa

Thank you Arfa, great reply, full of good info. Don't know that I will
attempt the fix but at least I want to be sure it's not something I've
overlooked,like the hold switch set to on. In this case I guess these
things just wear out after awhile. Would you, or anyone, know of a good
repair shop to send these units to? And also, would you be able to tell
me about how much you guys used to charge for repairs. Hourly? just
curious.
Willy

My going rate for this sort of stuff is around 22 UKP ( $35 ) an hour.
It's not really a true reflection of the complexity / fiddly nature of
the work, but it's about the most that these jobs will stand. Any more
than an hour plus parts, effectively writes them off.

Arfa

Most of the time unless the customer is willing to pay it's just not
worth it to repair these things. I've had a couple apart and they are
complex and difficult to work on because of the size. Those that I have
repaired I had to use my 20x stereo magnifier visor and hold my face
about 4 inches from the piece while working on it.
Yep. Pretty much par for the course. I would guess it's probably been a
couple of years now since I last worked on one. MP3 players killed them,
really. In actual fact, I think that I would have to think hard before
really getting into one these days. It was ok when I was doing them on a
virtually daily basis. You get so used to them that you can pull them down
with your eyes shut. My eyes are nothing like as good now as they were a
couple of years back, so that wouldn't help either. I also have a stereo
headband magnifier, and I find that I am using it more and more for
'standard' sized electronics, let alone surface mount stuff. Oh to be young
again, eh Meat ?

Arfa
--
Live Fast Die Young, Leave A Pretty Corpse
 
On 20/04/2011 02:01, Arfa Daily wrote:
"Meat Plow" <mhywattt@yahoo.com> wrote in message
news:pan.2011.04.19.16.48.43@lmao.lol...
On Tue, 19 Apr 2011 02:07:09 +0100, Arfa Daily wrote:

"willywainwright" <ww10@mac.com> wrote in message
news:1360b0ff-dfc8-4fd6-
b13b-18a3c0ca4f95@a21g2000prj.googlegroups.com...
On Apr 17, 5:38 pm, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"willywainwright" <w...@mac.com> wrote in message

news:25afe1d0-f5ec-423f-ae7c-
a22b29f43c59@q40g2000prh.googlegroups.com...





On Apr 16, 12:23 pm, a7yvm109gf...@netzero.com wrote:
On Apr 16, 12:10 pm, willywainwright <w...@mac.com> wrote:

hello, I have a number of sony minidisc players that suddenly
won't play the track for no apparent reason. I've tried batteries
and plug in power with no difference. Powers up fine, shows
spinning icon in window, track number shows but I can't get the
units to play the disc.
I've tried it in all positions, even upside down and sideways but
still no playing of disc
any ideas?
willy

1) Try lens cleaner disc.
2) Now toss the whole shebang in the garbage 3) Get a free cell
phone, even they'll come with a MP3 player.

Minidisc is over. It's dead, finished, kaput. And I'm speaking as
someone who bought a MZ-1 when they first came out.

maybe a lens cleaner disc would work. wonder if I can find one. I'll
give it a try. Garbage is full of my cassette tapes and players and
all my 8-track tapes. Willy

Never ever use 'cleaner' discs - not that I recall ever seeing one for
a mindisc anyway. They invariably never do anything to help, and in
the case
of DVDs, I've seen them cause expensive damage where the little
'brush' hairs embedded in the disc, have caught in the lens
suspension, and mangled
it as the disc has then rotated. I used to do a lot of work on Sony MD
players, when a guy that I did work for was a regional service centre.
For
the most part, failure to play discs is down to a worn out laser.
Sometimes,
you can get around that for a while, by resetting the laser parameters
via
built in diagnostic software, but it is a complex and tricky procedure
to do. Another thing to check is that when the disc is loaded, it is
free to rotate. I had many examples where the turntable had been
pushed down on the
motor shaft, until it jammed the motor. Another very common problem
was 'crap in the works'. The sled drive comprises gears with *very*
fine teeth.
The slightest bit of contamination in them, is enough to stop the
gears from
turning. The contamination in question, often seemed to be very fine
sand,
but I guess that it could have been 'pocket grit'. Just one grain in
one of
the gear teeth, will jam the mech and stop the laser from homing,
which will
result in the disc failing to spin up, and the TOC not being read.
Finally,
I suppose you do actually see the display come up and hear the disc
loading
as though it's about to do everything normally ? I have had cases
where the
door-closed sense switch has caused problems. A word of warning
though. You
need to have the patience of a saint to work on these things, and some
very
fine tools, including a quality set of Philips jeweler's screwdrivers,
and
pointed tweezers. Magnetize the screwdriver first. The tiny little
screws are no bigger than an ant, and easily lost. Work on a large
sheet of paper,
and use a strong light, and a magnifying glass. And you need to be
able to
hold your breath pretty well, also ... d :-|

Arfa

Thank you Arfa, great reply, full of good info. Don't know that I will
attempt the fix but at least I want to be sure it's not something I've
overlooked,like the hold switch set to on. In this case I guess these
things just wear out after awhile. Would you, or anyone, know of a good
repair shop to send these units to? And also, would you be able to tell
me about how much you guys used to charge for repairs. Hourly? just
curious.
Willy

My going rate for this sort of stuff is around 22 UKP ( $35 ) an hour.
It's not really a true reflection of the complexity / fiddly nature of
the work, but it's about the most that these jobs will stand. Any more
than an hour plus parts, effectively writes them off.

Arfa

Most of the time unless the customer is willing to pay it's just not
worth it to repair these things. I've had a couple apart and they are
complex and difficult to work on because of the size. Those that I have
repaired I had to use my 20x stereo magnifier visor and hold my face
about 4 inches from the piece while working on it.



Yep. Pretty much par for the course. I would guess it's probably been a
couple of years now since I last worked on one. MP3 players killed them,
really. In actual fact, I think that I would have to think hard before
really getting into one these days. It was ok when I was doing them on a
virtually daily basis. You get so used to them that you can pull them
down with your eyes shut. My eyes are nothing like as good now as they
were a couple of years back, so that wouldn't help either. I also have a
stereo headband magnifier, and I find that I am using it more and more
for 'standard' sized electronics, let alone surface mount stuff. Oh to
be young again, eh Meat ?

Arfa

Minidisc is still used extensively in touring theatre, preferred by many
companies over cd and laptop for sound cues.

I haven't repaired a huge amount, but IMO Sony players seem to suffer
from either contaminated switches on the mech[1], or the tiny 'levers'
on the mechanisms which engage the switches.

I`ve seen a few with mangled heads, no doubt due to 'finger trouble'

[1] If I recall correctly, the contamination comes from the flexible
mounts of the mechanism, and can sometimes be seen as a brown 'stain' on
the metal work.

Ron
 
On Wed, 20 Apr 2011 02:01:49 +0100, Arfa Daily wrote:


"Meat Plow" <mhywattt@yahoo.com> wrote in message
news:pan.2011.04.19.16.48.43@lmao.lol...
On Tue, 19 Apr 2011 02:07:09 +0100, Arfa Daily wrote:

"willywainwright" <ww10@mac.com> wrote in message
news:1360b0ff-dfc8-4fd6-
b13b-18a3c0ca4f95@a21g2000prj.googlegroups.com...
On Apr 17, 5:38 pm, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"willywainwright" <w...@mac.com> wrote in message

news:25afe1d0-f5ec-423f-ae7c-
a22b29f43c59@q40g2000prh.googlegroups.com...





On Apr 16, 12:23 pm, a7yvm109gf...@netzero.com wrote:
On Apr 16, 12:10 pm, willywainwright <w...@mac.com> wrote:

hello, I have a number of sony minidisc players that suddenly
won't play the track for no apparent reason. I've tried
batteries and plug in power with no difference. Powers up fine,
shows spinning icon in window, track number shows but I can't
get the units to play the disc.
I've tried it in all positions, even upside down and sideways
but still no playing of disc
any ideas?
willy

1) Try lens cleaner disc.
2) Now toss the whole shebang in the garbage 3) Get a free cell
phone, even they'll come with a MP3 player.

Minidisc is over. It's dead, finished, kaput. And I'm speaking as
someone who bought a MZ-1 when they first came out.

maybe a lens cleaner disc would work. wonder if I can find one.
I'll give it a try. Garbage is full of my cassette tapes and
players and all my 8-track tapes. Willy

Never ever use 'cleaner' discs - not that I recall ever seeing one
for a mindisc anyway. They invariably never do anything to help, and
in the case
of DVDs, I've seen them cause expensive damage where the little
'brush' hairs embedded in the disc, have caught in the lens
suspension, and mangled
it as the disc has then rotated. I used to do a lot of work on Sony
MD players, when a guy that I did work for was a regional service
centre. For
the most part, failure to play discs is down to a worn out laser.
Sometimes,
you can get around that for a while, by resetting the laser
parameters via
built in diagnostic software, but it is a complex and tricky
procedure to do. Another thing to check is that when the disc is
loaded, it is free to rotate. I had many examples where the
turntable had been pushed down on the
motor shaft, until it jammed the motor. Another very common problem
was 'crap in the works'. The sled drive comprises gears with *very*
fine teeth.
The slightest bit of contamination in them, is enough to stop the
gears from
turning. The contamination in question, often seemed to be very fine
sand,
but I guess that it could have been 'pocket grit'. Just one grain in
one of
the gear teeth, will jam the mech and stop the laser from homing,
which will
result in the disc failing to spin up, and the TOC not being read.
Finally,
I suppose you do actually see the display come up and hear the disc
loading
as though it's about to do everything normally ? I have had cases
where the
door-closed sense switch has caused problems. A word of warning
though. You
need to have the patience of a saint to work on these things, and
some very
fine tools, including a quality set of Philips jeweler's
screwdrivers, and
pointed tweezers. Magnetize the screwdriver first. The tiny little
screws are no bigger than an ant, and easily lost. Work on a large
sheet of paper,
and use a strong light, and a magnifying glass. And you need to be
able to
hold your breath pretty well, also ... d :-|

Arfa

Thank you Arfa, great reply, full of good info. Don't know that I
will attempt the fix but at least I want to be sure it's not
something I've overlooked,like the hold switch set to on. In this
case I guess these things just wear out after awhile. Would you, or
anyone, know of a good repair shop to send these units to? And also,
would you be able to tell me about how much you guys used to charge
for repairs. Hourly? just curious.
Willy

My going rate for this sort of stuff is around 22 UKP ( $35 ) an hour.
It's not really a true reflection of the complexity / fiddly nature of
the work, but it's about the most that these jobs will stand. Any more
than an hour plus parts, effectively writes them off.

Arfa

Most of the time unless the customer is willing to pay it's just not
worth it to repair these things. I've had a couple apart and they are
complex and difficult to work on because of the size. Those that I have
repaired I had to use my 20x stereo magnifier visor and hold my face
about 4 inches from the piece while working on it.



Yep. Pretty much par for the course. I would guess it's probably been a
couple of years now since I last worked on one. MP3 players killed them,
really. In actual fact, I think that I would have to think hard before
really getting into one these days. It was ok when I was doing them on a
virtually daily basis. You get so used to them that you can pull them
down with your eyes shut. My eyes are nothing like as good now as they
were a couple of years back, so that wouldn't help either. I also have a
stereo headband magnifier, and I find that I am using it more and more
for 'standard' sized electronics, let alone surface mount stuff. Oh to
be young again, eh Meat ?
When I first started out and for maybe 25 years after I was pretty proud
not to need glasses for reading or working. Evermore so since all my
siblings wore glasses and contacts from a very early age. Now I need a
350 diopter pair to work close up and 150 just for general reading.
Really intricate things require the visor. I can say though that I've
repaired some bad solder joints on PC boards by inspecting them using the
visor and a bright light. Normally with even 20-20 vision some of these
you aren't able to spot unmagnified. So I've been using the visor long
before my need for reading glasses.



--
Live Fast Die Young, Leave A Pretty Corpse
 

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