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If the mat lifts up to reveal a hole then you might get at the belt that way. I would have thought that the platter will lift up anyway. It might be held by a clip washer, around the spindle, from the top, sometimes hidden under a glued plastic piece. If you can't get in that way unscrew the base.
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The Stanton STR8-60 is a direct drive record deck, so this shouldn't happen unless the platter was damaged but after a little research I found that the Stanton's can get a faulty chip which is meant to regulate the speed and therefore can make it spin erratically.
how do you know theres power to the unit if theirs no strobe light pitch adjuster light & the platter doesn't spin? the power comes in & to the transformer first,then through the strobe switch, the transformer is what blows when you short the target light out.....i've seen this many a time when people try & change the target lights to blue neon.
Is this a belt driven model? If so then just replace the belt. Also check that platter can turn. Sometimes grease or dirt builds up. If you can't turn it by hand then neither can the motor.
Possible that the belt is slipping due to overload, check the capacitor to the motor , check the belt to the motor, check if the spindle is jammed , if so reset the spindle.
If you can turn the platter easily by hand, then so should the motor. You can also disconect the power leads to the motor and hook up a PP9 9 volt battery to it. If it\'s slow and easily stopped from rotating then there\'s nothing wrong with the power to the motor and the motor is bad!
Spindle test. Actually finding out if the spindle motor is spinning the Spindle, at the maximum spindle speed in RPM's, the spindle is rated to spin at, (At maximum spin up) Also a few other quick tests.
!O_O!
Basic construction of your harddrive. IDE (PATA) or SATA;
Inside the harddrive's case are;
1) Platters: They resemble CD or DVD disks, and are usually made of metal, or glass.
The Platters are coated with a magnetic medium. (Ferrous substance. Think Iron ) There may be 3 to 6 Platters, or more, inside the harddrive case. They are coated on both sides with the magnetic medium.
2) Spindle, and Spindle Motor: The Spindle is part of the Spindle Motor. It is the shaft of the motor. Comes out of the Spindle Motor, and the Platters are attached to it.
The Spindle Motor is designed to spin the Spindle (Shaft) certain Revolutions Per Minute, when called upon. The maximum RPM's it will spin is stated for the harddrive unit.
Older harddrives were rated at 5400RPM. (Slower before the above time period) Newer harddrives usually spin up to 7200RPM. Gamer type harddrives may spin 10,000 or 15,000 RPM's.
3) Read/Write Head: The magnetic medium on the Platters, is arranged by a Read/Write Head. There is a Read/Write Head above, and below, every Platter inside the Harddrive.
The name indicates what the Read/Write Head does. When the Read portion of the head is activated, it reads what is ON the Platter. When the Write portion is activated, it writes TO the Platter.
(The magnetic medium is arranged, by the Write portion of the Read/Write Head. It is arranged in a series of 0's and 1's. 0 being OFF, 1 being ON. This is changed into Machine Language the computer can use )
4) Actuator Arm: The Read/Write Heads are attached to an Actuator Arm. The arm swings the heads back, and forth, across the Platter's surface. (When called upon it can swing the Read/Write Heads back, and forth, at HUNDREDS OF TIMES A SECOND. -> HUNDREDS )
5) The Actuator Arms are attached to an Actuator Motor.
The entire assembly above is encased in a.....case. It is assembled in a Clean Room. A room that is 99.9 percent dust free. The outfits the assembly technicians have to wear resemble a NASA space suit. They have to walk through an air corridor, and be b-lown off by air jets, before they can enter the Clean Room.
The harddrive's case has a small filter on it. This helps keep the atmosphere inside the harddrive, as it is outside the harddrive, but with NO moisture, NO dust.
On the bottom of the Harddrive case is an electronic circuit board. Controls the hardware inside the harddrive case, and is connected to the motherboard.
The Spindle test is to see; 1) If there is any axial, or horizontal runout. That is to say if the Spindle wobbles, so to speak. If so the Spindle Motor bearings are bad.
[Platters have to stay Dead Level. The Read/Write Head is spaced off of the Platter, by about .00003 of an Inch. (3 hundred-thousandths) May be closer my figures could be off, In comparison an average human hair is .003 of an Inch thick. (3 Thousandths)
Due to the speed the Platters spin at, and the closeness of the Read/Write head to the Platter, the Read/Write Heads actually float on a cushion of air, when the harddrive is active.
When you hear or read the term 'Head Crash', it means one, or more of the Read/Write Heads, has touched a Platter, (Or Platters), and wiped off some of the magnetic medium ]
2) Spin up speed. How long it takes the Spindle Motor to spin up to the required RPM's. Actually, how long it takes the Spindle Motor to spin up the Platters, to the desired RPM.
Doesn't reach the RPM goal? Spindle Motor bearings are probably bad. (Or a failure in the electronic circuit board, on the bottom of the Harddrive. Doubt it. Usually just fails altogether )
Point? The test indicates your harddrive is going bad. I would (Pronto) copy off my personal information. (Disk/s, thumb drive/s, storage on the internet, etc)
the turntable wont spin unless a record is on the platter,the centre 45 adapter weighs the record to determine 33/45.try pressing 33 and turning the platter by hand(remove expensive cartridge first!),if it starts to spin the motor leaf switch is at fault.is the belt in position.the motor pulley can become unglued.
check if the platter spins if you manually turn it.
The platter is motor driven either directly (rarely), by a belt or by a rubber idler. The only way to know is to remove the platter or by model # (which is not listed on this post.)
Check the platter and post back with the model/make in the body of your post.
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