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Adjustment of a Sony KHM310AAA

Disc spins laser moves up and down - red light is on but get a disc error

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Emerson PDE-2717 Portable DVD Player - worked great for a few months but now just says 'Bad Disc' even when using discs that work in other players.

I had same problem, took the back cover off. two scews that are right were the ribbon connects to the read head I believe are potentiometers adjusted with eyeglass screw driver a couple attempts it worked. I also disconnected the plug for external battery and left unpluged since I don't use battery

Posted on Dec 29, 2007

dankind38
  • 6 Answers

SOURCE: SONY SLV-350P DVD PLAYER/VCR COMBO

I'm afraid you are dealing with a weakened Laser on the unit. The cost vs. benefit ratio of fixing this unit is not worthwhile.

You will find that there are newer versions of this device on the market less expensive than what you paid for the unit you have now.

Posted on Dec 30, 2007

  • 1 Answer

SOURCE: this disc cannot be played

I am tired of these tediuos firmware updates that are for the most part USELESS. I have done everyone till their latest 1.8v. I still can only watch 1/3 of new monvies which really arent all new now. I paid $1000 some for this flagship unit. In my book it has sunk. Samsung will not even address my problem except wait for a firmware comming soon. I WANT A REPLACEMENT OF A SIMILAR NEWER MODEL OR REFUND. I have spent well over 20,000 on samsung home theatre products and I will boycott them forever. When I pay for something I want my moneys worth.

JEFF

Posted on Nov 23, 2008

  • 1 Answer

SOURCE: It keeps ejecting the disc and saying disc error

Now what this joker isn't telling you is that the 'hack' below actually resets the player to factory defaults. It just worked for me perfectly.

Now you might have to go back into setup and readjust some of your settings. (i.e. freq response)

1. press SETUP on the remote
2. Go to "TV Aspect" and move the cursor to "16:9"
3. Press in order: 1, 3, 9, 7, 1, 3, 9 on the remote, then press ENTER

Posted on Apr 13, 2009

rulds2008
  • 3866 Answers

SOURCE: Can't get rid of dirty disc error message at 1 min

Ok you might need to have it cleaned professionaly worse comes to worse have the lens replaced, something ether got on the lens or the laser is not reading or writing correctly. Can it be fixed? Sure depning on the problem inside I could not tall you 100 p[ercent as I have not looked at the unit.

You might want to take a gander inside and see if the lends is not dirty.

Thanks an please rember to leave postive ratings and feedback.

Posted on Apr 12, 2010

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Hey there i bright a psp and its not reading the games wat can cause that???


Hello

Switch on on your PSP and remove the UMD that might be inside

When you open up the UMD door and look down inside you will see the Laser assembly.

If you look to the left there is a black tab that sticks up, this tells the PSP that there is a UMD in the drive.

If you press this down with a small probe, you should see the disc motor spin and the laser light up red (do not stare directly at the laser)

Inspect to see If the Motor is spinning or not.is it moving slightly?

Take the parts out and see if there is another problem also.

If the laser is not lighting up then it could be the laser,check the cables to the PSP and see if there is a bad connection.

If both are running well then put a disc in and get your ear up close so you can hear what is going on in there.

On a working PSP you will hear the disc start to spin up, then you can hear the laser start to twitch, followed by the laser motor moving the laser down the rails.

Can you hear the disc spin up? If not I would take the disc out again and press the switch with your probe again. if the disc motor is spinning again, look around to see if the metal housing is obstructing the disc when you put it in.. there could be too much pressure for the disc to spin freely

Can you hear the Laser focus? This might be hard to hear it will sound like a little tick. If you cant hear it tick I would move on and inspect this internally later.

Can you hear the Laser move down the rail? This will be a smooth sound of the gears, it should not be a really clicky sound.

If you can't hear it move down the track OR it is very clicky do the fpllowing;

You should open the UMD door and carefully manually move the laser to the right side of the assembly.

Use a sharp THIN probe to manually move the WHITE gear under the metal housing.

try and scrape the gears themselves to make sure there is no gunk or debris in the gear..

After this try and see if it is reading UMD again.

If none of this is working, it is time to open your PSP unit

If you are able to find out what's wrong from the troubleshooting steps above you can replace the problem by

Replacing the UMD, Assembly,Replacing UMD Disc Motor,Replacing UMD Laser Motor or by Replacing PSP Motherboard

Dec 15, 2010 | Sony Video Game Consoles & Games

1 Answer

My problem is my umd disc is not working in the psp.


I have seen many PSP's stop reading UMD discs and for the most part they are repairable with the least amount of opening your PSP.
First we will do some trouble shooting with what might be wrong with your PSP unit.
About 35% of the time I find that there is something stuck in the UMD gear. It is different every time, sometimes its a piece of dust, plastic, soda, and even hair.
Another 25% is the Disc Spinning motor. This will not let The disc in the UMD spin.
About 20% is the Laser motor, this might be hard to spot since it could be something in the gears.
About 10% is the actual laser itself. It will not focus the laser to read the UMD disc.
The Last 10% is the Motherboard. This is the worst outcome, since there is very little what we can do but replace the motherboard.
So first what we need to do is find out what is actually wrong with your PSP.
With your PSP in hand.
Turn on your PSP and remove any UMD that might be in there now.
If you open up the UMD door and look down inside you will see the Laser assembly.
If you look to the left there is a black tab that sticks up, this tells the PSP that there is a UMD in the drive.
If you press this down with a small probe, you should see the disc motor spin and the laser light up red
*** CAUTION DO NOT STARE DIRECTLY AT THE LASER ***

If the Motor is not spinning. is it moving slightly? Maybe a little twitch?
I would lean more towards the bad motor problem BUT would not say for sure, I would recommend that you take the parts out and see if there is another problem also.
If the laser is not lighting up then it could be the laser, I would try and check the cables to the PSP and see if there is a bad connection.
If both are running well then lets put a disc in and get your ear up close so you can hear what is going on in there.
On a working PSP you will hear the disc start to spin up, then you can hear the laser start to twitch, followed by the laser motor moving the laser down the rails.
Can you hear the disc spin up? If not I would take the disc out again and press the switch with your probe again. if the disc motor is spinning again, look around to see if the metal housing is obstructing the disc when you put it in.. there could be to much pressure for the disc to spin freely.
Can you hear the Laser focus? This might be hard to hear it will sound like a little tick. If you cant hear it tick I would move on and inspect this internally later.
Can you hear the Laser move down the rail? This will be a smooth sound of the gears, it should not be a really clicky sound.
If you can't hear it move down the track OR it is very clicky follow this.


It would look like this if your UMD door was off.
You should open the UMD door and carefully manually move the laser to the right side of the assembly.
Use a sharp THIN probe to manually move the WHITE gear under the metal housing. It is quite hard to see it in the photos so I put a red star around it.
I usually try and scrape the gears themselves to make sure there is no gunk or debris in the gear.
After this try and see if it is reading UMD again.
This fixes it about 35% of the time.
If none of this is working, it is time to open your PSP unit Or send it in for repair.
If you know what's wrong you can replace the problem here
Replace UMD Assembly
Replace UMD Disc Motor
Replace UMD Laser Motor
Replace PSP Motherboard

Dec 03, 2010 | Sony PlayStation Portable (PSP) Console

2 Answers

Sony DVP-NS325 "Cannot read disc"


there is some problems with your optical lens that is why not spinning or reading data on disc. before change the lens adjust first the two trimmer for DVD and CD adjustment for laser beam.

Sep 09, 2009 | Sony DVP-NS325 Multi-disc DVD Player

1 Answer

My Slim PS2 discs won't spin. I just replaced the laser...


put some wieght on the ps2 disk cover flap eg a game cover that fixed mine otherwise i would trash it man ;)

Jul 26, 2009 | Sony PlayStation 2 Slimline Console

1 Answer

My psp2006 ver5.03 cant read games


PSP UMD Repair: Not reading UMD discs

I have seen many PSP's stop reading UMD discs and for the most part they are repairable with the least amount of opening your PSP.
First we will do some trouble shooting with what might be wrong with your PSP unit.
About 35% of the time I find that there is something stuck in the UMD gear. It is different every time, sometimes its a piece of dust, plastic, soda, and even hair.
Another 25% is the Disc Spinning motor. This will not let The disc in the UMD spin.
About 20% is the Laser motor, this might be hard to spot since it could be something in the gears.
About 10% is the actual laser itself. It will not focus the laser to read the UMD disc.
The Last 10% is the Motherboard. This is the worst outcome, since there is very little what we can do but replace the motherboard.
So first what we need to do is find out what is actually wrong with your PSP.
With your PSP in hand.
Turn on your PSP and remove any UMD that might be in there now.
If you open up the UMD door and look down inside you will see the Laser assembly.
If you look to the left there is a black tab that sticks up, this tells the PSP that there is a UMD in the drive.
If you press this down with a small probe, you should see the disc motor spin and the laser light up red
*** CAUTION DO NOT STARE DIRECTLY AT THE LASER ***

If the Motor is not spinning. is it moving slightly? Maybe a little twitch?
I would lean more towards the bad motor problem BUT would not say for sure, I would recommend that you take the parts out and see if there is another problem also.
If the laser is not lighting up then it could be the laser, I would try and check the cables to the PSP and see if there is a bad connection.
If both are running well then lets put a disc in and get your ear up close so you can hear what is going on in there.
On a working PSP you will hear the disc start to spin up, then you can hear the laser start to twitch, followed by the laser motor moving the laser down the rails.
Can you hear the disc spin up? If not I would take the disc out again and press the switch with your probe again. if the disc motor is spinning again, look around to see if the metal housing is obstructing the disc when you put it in.. there could be to much pressure for the disc to spin freely.
Can you hear the Laser focus? This might be hard to hear it will sound like a little tick. If you cant hear it tick I would move on and inspect this internally later.
Can you hear the Laser move down the rail? This will be a smooth sound of the gears, it should not be a really clicky sound.
If you can't hear it move down the track OR it is very clicky follow this.

umdgear_small.jpg
It would look like this if your UMD door was off.
You should open the UMD door and carefully manually move the laser to the right side of the assembly.
Use a sharp THIN probe to manually move the WHITE gear under the metal housing. It is quite hard to see it in the photos so I put a red star around it.
I usually try and scrape the gears themselves to make sure there is no gunk or debris in the gear.

After this try and see if it is reading UMD again.
This fixes it about 35% of the time.
If none of this is working, it is time to open your PSP unit Or send it in for repair.
If you know what's wrong you can replace the problem here
Replace UMD Assembly
Replace UMD Disc Motor
Replace UMD Laser Motor
Replace PSP Motherboard

All photos and content copyright © Llamma Corp. 2002-2006
http://www.llamma.com/PSP/repair/PSP_UMD_Not_Reading_Discs.htm



Jul 16, 2009 | Sony Video Game Consoles & Games

1 Answer

Fat PS2 doesn't spin discs


One thing, inertia is the property of mass to resist motion. You mean momentum keeps it going for a bout two second. Dont ask questions unless you get properties of motion correct

Apr 18, 2009 | Sony PlayStation 2 Slimline Console

1 Answer

It won`t read my game


have seen many PSP's stop reading UMD discs and for the most part they are repairable with the least amount of opening your PSP.
First we will do some trouble shooting with what might be wrong with your PSP unit. About 35% of the time I find that there is something stuck in the UMD gear. It is different every time, sometimes its a piece of dust, plastic, soda, and even hair.
Another 25% is the Disc Spinning motor. This will not let The disc in the UMD spin.
About 20% is the Laser motor, this might be hard to spot since it could be something in the gears.
About 10% is the actual laser itself. It will not focus the laser to read the UMD disc.
The Last 10% is the Motherboard. This is the worst outcome, since there is very little what we can do but replace the motherboard.
So first what we need to do is find out what is actually wrong with your PSP.
With your PSP in hand.
Turn on your PSP and remove any UMD that might be in there now.
If you open up the UMD door and look down inside you will see the Laser assembly.
If you look to the left there is a black tab that sticks up, this tells the PSP that there is a UMD in the drive.
If you press this down with a small probe, you should see the disc motor spin and the laser light up red
*** CAUTION DO NOT STARE DIRECTLY AT THE LASER ***

If the Motor is not spinning. is it moving slightly? Maybe a little twitch?
I would lean more towards the bad motor problem BUT would not say for sure, I would recommend that you take the parts out and see if there is another problem also.
If the laser is not lighting up then it could be the laser, I would try and check the cables to the PSP and see if there is a bad connection.
If both are running well then lets put a disc in and get your ear up close so you can hear what is going on in there.
On a working PSP you will hear the disc start to spin up, then you can hear the laser start to twitch, followed by the laser motor moving the laser down the rails.
Can you hear the disc spin up? If not I would take the disc out again and press the switch with your probe again. if the disc motor is spinning again, look around to see if the metal housing is obstructing the disc when you put it in.. there could be to much pressure for the disc to spin freely.
Can you hear the Laser focus? This might be hard to hear it will sound like a little tick. If you cant hear it tick I would move on and inspect this internally later.
Can you hear the Laser move down the rail? This will be a smooth sound of the gears, it should not be a really clicky sound.
If you can't hear it move down the track OR it is very clicky follow this.

umdgear_small.jpg
It would look like this if your UMD door was off.
You should open the UMD door and carefully manually move the laser to the right side of the assembly.
Use a sharp THIN probe to manually move the WHITE gear under the metal housing. It is quite hard to see it in the photos so I put a red star around it.
I usually try and scrape the gears themselves to make sure there is no gunk or debris in the gear.
After this try and see if it is reading UMD again.
This fixes it about 35% of the time.
If none of this is working, it is time to open your PSP unit Or send it in for repair.
If you know what's wrong you can replace the problem here
Replace UMD Assembly
Replace UMD Disc Motor
Replace UMD Laser Motor
Replace PSP Motherboard

if you need more infomation please just ask ... Symo02

Oct 19, 2008 | Sony PlayStation Portable (PSP) Console

2 Answers

Disc doesnt spin , the lens dont move up and down , only lights red


Sounds like a motor issue, not a laser issue.

http://cgi.ebay.co.uk/PSTwo-Slim-DVD-Drive-Snake-Motor_W0QQitemZ290237209741QQcmdZViewItem?IMSfp=TL080609158a11571

That link is for a new snake motor which moves the laser back and forth

http://cgi.ebay.com.my/Playstation-2-Ps2-PS2-Spindle-Motor-V3_W0QQitemZ250083031090QQihZ015QQcategoryZ11328QQcmdZViewItem

This link is for a new spindle motor.

Jun 11, 2008 | Sony PlayStation 2 Slimline Console

11 Answers

Xbox CD Drive wont spin


The disk not spinning can be one of many things. first and foremost, did you have green lights on the ring or were there 3 red lights. If there were 3 red lights then you have hardware problems and we will need to get you the code of the problem. Now, if you have a green light then the problem most likely is that the laser has either gone bad or is out of adjustment. The voltage adjustment is not a hard thing if you have experience with a meter. HOWEVER YOU MUST BE VERY AND I MEAN VERY CAREFULL WHEN YOU HAVE THE COVER OFF OF A 360. It will take less than 5 minutes of run time to smoke the processor if you do not have all the airflow ducts and cover in place. TRUST ME ON THIS I repair game machines as part of my professional living. You can take a look at the laser and see if you get a red flashing of light when trying to read the disk. if you do not the laser is bad. If you do then it still may be out of adjustment. JUST BE CAREFUL TO NOT LOOK STRAIGHT INTO THE LASER YOU COULD DAMAGE YOUR EYES keep your eyesite off of a direct view. You will still be able to see if it lights up.
Another option is that the motor is bad. to know this you will have to wire the motor to a power supply and test it out. if it spins when hooked to an extenal supply then it is good.
It could also be that the circuitry on the motherboard that tells the motor when to spin is no longer working right. You should get some type of error on the screen or red lights if this is the case. but not always I have had 2 machines that said all was well when the motherboard was the issue. So, you have a little research work to do first. let me know about the lights!!

Feb 09, 2008 | Microsoft Xbox 360 Console

2 Answers

Disc does not spin


maybe, or the laser can focus on the disc. take the disc out and see if the lase lens moves up and down, and if it has a red light, but dont look down in the lens it can burn your retna.

Jan 24, 2008 | Sony DVP-NC665P/S Multi-disc DVD Player

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