Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default KLH model KD-1220 DVD Player, Disc Tray will not stay open

On Tue, 6 Nov 2012 23:31:14 +0000 (UTC), in sci.electronics.repair you wrote:
SNIP
there is generally a crappy leaf type switch to sense with the door is
open. try burnishing it with some paper.

does the unit open all the way, then pause and close or just close
instantly? It may have no idea when it reached end of travel.


Hi,

The tray opens all the way, then immediately closes.

Regarding the leaf switch or other type, did you notice this part of my
post: " Note: I was in consumer electronics service for many years."
Don't you think I looked for such a switch?

One thing I forgot to say, I do NOT have a service manual for
this unit.

Revised Question:

Did anyone have this exact same problem with this same brand and model DVD
player and repaired it?

Thank You in advance, John


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Default KLH model KD-1220 DVD Player, Disc Tray will not stay open

wrote in message
...
On Tue, 6 Nov 2012 23:31:14 +0000 (UTC), in sci.electronics.repair you

wrote:
SNIP
there is generally a crappy leaf type switch to sense with the door is
open. try burnishing it with some paper.

does the unit open all the way, then pause and close or just close
instantly? It may have no idea when it reached end of travel.


Hi,

The tray opens all the way, then immediately closes.

Regarding the leaf switch or other type, did you notice this part of

my
post: " Note: I was in consumer electronics service for many years."
Don't you think I looked for such a switch?

One thing I forgot to say, I do NOT have a service manual for
this unit.

Revised Question:

Did anyone have this exact same problem with this same brand and model

DVD
player and repaired it?

Thank You in advance, John




Is the tray opening part of a single combined cam system with dropping disc
from play position , and the reverse, tray in and disc up ?
And something slipped out of kilter in the drive train


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Default KLH model KD-1220 DVD Player, Disc Tray will not stay open



wrote in message
...
On Tue, 6 Nov 2012 23:31:14 +0000 (UTC), in sci.electronics.repair you
wrote:
SNIP
there is generally a crappy leaf type switch to sense with the door is
open. try burnishing it with some paper.

does the unit open all the way, then pause and close or just close
instantly? It may have no idea when it reached end of travel.


Hi,

The tray opens all the way, then immediately closes.

Regarding the leaf switch or other type, did you notice this part of my
post: " Note: I was in consumer electronics service for many years."
Don't you think I looked for such a switch?




Well, pardon us for trying to help. What you describe is a very common
problem with all CD/DVD mechs, and I can't remember ever fixing one of any
make or model that wasn't down to a dirty sense switch somewhere in the
mech. Maybe you just weren't looking in the right place ?


One thing I forgot to say, I do NOT have a service manual for
this unit.


Then perhaps you need one ...

Arfa




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Default KLH model KD-1220 DVD Player, Disc Tray will not stay open

N_Cook wrote:
wrote in message
...
On Tue, 6 Nov 2012 23:31:14 +0000 (UTC), in sci.electronics.repair you

wrote:
SNIP
there is generally a crappy leaf type switch to sense with the door is
open. try burnishing it with some paper.

does the unit open all the way, then pause and close or just close
instantly? It may have no idea when it reached end of travel.


Hi,

The tray opens all the way, then immediately closes.

Regarding the leaf switch or other type, did you notice this part of

my
post: " Note: I was in consumer electronics service for many years."
Don't you think I looked for such a switch?

One thing I forgot to say, I do NOT have a service manual for
this unit.

Revised Question:

Did anyone have this exact same problem with this same brand and model

DVD
player and repaired it?

Thank You in advance, John




Is the tray opening part of a single combined cam system with dropping disc
from play position , and the reverse, tray in and disc up ?
And something slipped out of kilter in the drive train


This sounds like something worth looking into. I've had to remove gears
and reset the position of computer CDROM trays before. If you bang the
tray too hard, the teeth can slip, confusing the heck out of the unit.
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Default KLH model KD-1220 DVD Player, Disc Tray will not stay open

Cydrome Leader wrote in message
...
N_Cook wrote:
wrote in message
...
On Tue, 6 Nov 2012 23:31:14 +0000 (UTC), in sci.electronics.repair you

wrote:
SNIP
there is generally a crappy leaf type switch to sense with the door is
open. try burnishing it with some paper.

does the unit open all the way, then pause and close or just close
instantly? It may have no idea when it reached end of travel.

Hi,

The tray opens all the way, then immediately closes.

Regarding the leaf switch or other type, did you notice this part

of
my
post: " Note: I was in consumer electronics service for many years."
Don't you think I looked for such a switch?

One thing I forgot to say, I do NOT have a service manual for
this unit.

Revised Question:

Did anyone have this exact same problem with this same brand and

model
DVD
player and repaired it?

Thank You in advance, John




Is the tray opening part of a single combined cam system with dropping

disc
from play position , and the reverse, tray in and disc up ?
And something slipped out of kilter in the drive train


This sounds like something worth looking into. I've had to remove gears
and reset the position of computer CDROM trays before. If you bang the
tray too hard, the teeth can slip, confusing the heck out of the unit.



Or due to kids or drunks trying to force open the tray


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