Bang and Olufsen Turntable will not platter will not spin
I have a B&O turntable Beogram RX-2 that I got from ebay. The person I won it from said the ''lock down screws were turned.'' I guess this means that the 3 transport screws were secured prior to shipping. I attempted to turn counter clockwise, but, it nothing happened. I also tried to lock for a manual or anything that would help online, but could only find the original RX MK1-but picture were blurred and the instructions said turn screws as stated above.
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Re: Bang and Olufsen Turntable will not platter will not...
Normally on the RX-2 there are only 3 transit screws but if they are stuck you might need to gently try to lift them while turning anti clockwise. You can do this with a Steel Ruler and yoiu may have to use a little bit of force as some people torque them down tight. As for manuals and service manuals - they are rare!
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Jun 3, 2010 - 15 posts - 3 authors
It powers up, lights come on but the platter won't spin. ... However when I press "start", nothing happens and the platter won't spin when ... the arm towards the record without pressing the "start" button. ... SL 7, SL-10... and / or any of the fully automatic Technics turntables using optical record detection......etc
Marantz 6300 question...
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Similar to most Beogram 1800, the RX 2 featured record sizing by weight. When Play was selected, the centre part of the platter would raise gently, with only just enough force to lift a 45RPM single. An LP would be too heavy to lift, so the mechanism would set itself to 45RPM and 18cm if the record lifted, 33RPM and 30cm if it did not. The speed control keys could then be used to override the choice for non-standard records. The parts could also detect if a record was not present, and prevent the turntable being activated
Just put lp on and it should work
The Phono/Aux input has a slider switch to the left of it to choose whether to make it a regular line-in jack or to utilize the phono stage. The ground terminal is just above the jacks. The Beogram 4002 likely has a muting circuit that's in effect when the tonearm is in the lift position, which would explain the lack of hum til the stylus lowered to the record.
THE CD50 DOOR MECH IS BELT DRIVEN IF THE BELT IS WORN THE DOOR OPEN/CLOSE SWITCH WHICH IS TRIGGERED BY THE MAIN CAM UNDER THE MECH MAY NOT BE FULLY CLOSED OR THE SWITCH MAY NEED CLEANING,ITS A LEAF SWITCH.THE MOST COMMON REASON FOR THE DISC TO SPIN BUT NOT READING DISC IS DISC MOTOR NOT GETTING UP TO CORRECT SPEED.IT CAN BE REMOVED,DISMANTLED AND LUBRICATED BUT CARE MUST BE TAKEN TO MEASURE THE TURNTABLE HEIGHT,BEST MEASURED FROM THE BASE OF TURNTABLE TO CHASSIS WITH FEELER GAUGE,CAUTION THE MOTOR SHAFT HAS SEVERAL VERY FINE WASHERS INSTALLED DONT LOSE THEM.
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.
You need to calibrate your pitch control. This requires a small precision screwdriver (similar to something you would repair eye glasses with). If you look under the turntable where the pitch control is you will find 2 small holes, 1 marked 33 and 1 marked 45. Turn the turntable on and set the pitch control lever to zero pitch. While the turntable is spinning insert the screw driver into the pitch calibration hole under the turntable and twist the potentiometer back and forth until the turntable pitch is zero (I believe clockwise is faster, counterclockwise is slower as you look up from the bottom of the turntable). This is a fine tune adjustment and will not require much turning to adjust the speed (1 or 2 mm's) either way should start to bring you into zero pitch. The platter speed can be verified by the little dots on the rim of the platter. They should appear stationary in strobe light on the power switch when you are at zero pitch. When you are adjusting the speed you will observe the dots on the platter rim spinning clockwise and then counterclockwise as you adjust the fine tuning. Fine tune the speed until the dots appear stationary and you will be back to zero pitch. You have to adjust the turntable at both speeds 33 and 45 using the correct fine tuning hole under the turntable. My personal experience is it is easiest to do this with 2 people. 1 person to hold the turntable level and running, while the other adjusts the fine tuning. Hope this helps.
Check to see if there is a cueing lever that is holding the arm in the up position. If no cueing lever and it has worked recently then something has happened to the changer mechanism. Open the bottom and look to see if there is an obvious problem like something stuck or broken. You may be able to make the mechanism go through its cycle slowly by rotating the platter with your hand so you can see where it is getting stuck.