Hi. I've got my two decks they need to get change of tone arm i'm looking for a economic supplier and instructions on how to do it. and could you inform me about any technical service support in north london area. thanks.
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Re: tone arm and stylus light spare and replacent .
For Technics parts, check www.1200s.com, for a service center in your area, check the Panasonic web site (parent company of Technics): http://www.panasonic.co.uk/customer-Support/svc-dealer-locator.asp
As for instructions on doing this, it's not an easy fix. You have to solder 5 very thin (as thin as dental floss) to a circuit board, and they don't leave much room for error. Oh, and the circuit board is discontinued, so if you damage the board due to self-repair, you can't have it replaced. So, thing twice before attempting this repair yourself.
Hope this helps!
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Most are held in place by 2 small screws, remove them and carefully unplug the cartridge from the tone arm, reverse to install new one, then check the balance the tone arm and set to correct pressure..
This model uses a ceramic cartridge. Sometimes the stylus holding part can become damaged. It should be possible to get a new cartridge and stylus for the unit. It looks as it will either screw or just clip into the headshell. Either way look around for a replacement cartridge. If it has a number on the cartridge quote that. Remember it's a ceramic type - not magnetic.
You don't say whether you have only just acquired this deck or if you have been using it for some time and it has only now started to give problems.
There are 2 or 3 possible explanations.
If you have only just got this deck and are using it on a stereo that has a dedicated phono (record player) input it may be that you need to get inside your turntable to turn off the built in pre-amplifier switch. To do so make sure the tone arm is securely fixed into it's holder (a rubber band will hold it in tightly) before turning the deck upside down and unscrewing the bottom.
If you have just got this deck and are trying to play it through a stereo system that does NOT have a dedicated phono (record player) input you may need to get inside the deck to turn the phono pre-amplifier switch on.
And if the deck has been used for some time this is the most likely - the record stylus (needle) probably needs replacing. Personally, although it is a bit more expensive, I prefer to replace the whole cartridge rather than just the stylus as they do need changing from time to time anyway. Always replace the stylus at least at the frequency recommended by the manufacturer. Regularly clean the stylus with very gentle strokes from the back towards the front using a small soft brush.
Hi the pennies will mess up the stylus. There should be an anti skate setting at the back of the turn table, a round adjustable bit with numbers, increase the anti skate and then use the balance weigth (weight right at the back of the arm that turns to get the weight right. Set the anti skate with the tone arm light, then increase the weight a bit. Hope that helps
It's a bit after Jim's post, however I had what appears to have been the same problem with my LX770 after it had been stored in the loft for quite a few years.
I found the problem to be caused by the tone arm mechanisms stalling - The band that was associated with lifting the arm had turned to a black gunge and was not allowing the motor to rotate, also the motor associated with moving the arm backwards and forwards was struggling to turn.
I cleaned the tone lifting pulleys and replaced with a small elastic band (for a temporary fix). This was a little fiddly as you have to take off a spring and a couple of gears to get the new band in place. I cleaned the runners and cleaned off the grease on the worm gears associated with the arm tracking (as I suspected it may be more viscus than originally installed), lightly oiled the tone arm tracking gears. It still seamed to take an amount of helping the tracking arm gears until they were able to move freely. With the tone arm mechanisms working properly the whole unit now seams to be working.
Top tips if you attempt this:
WARNING - If the unit is plugged in, the transformer and high voltage wires are live regardless of whether the on button is on or off on the front of the record deck. PLEASE do not take any of my comments as recommendation you should ever do anything with the unit plugged in!
Remove the little stylus carrier before you start taking the player to pieces - saves damaging it!
Remove the record mat and aluminium platter before turning the unit upside down.
Manually push the tone arm to about 0.5cm from its furthest travel - so you can remove the tone arm mechanism plate. May be a little stiff as the wires have to slide of the pulleys for the tone arm to be pushed.
To access the tone arm mechanisms, remove the main bottom plate (and greasy spring), then undo the screws which hold on the rear undertray. With the decks buttons toward you, you should then be able to lift the rear tray slightly and tilt the tray towards you to expose the tone arm mechanisms.
You shouldn't need to remove the circuit board with the control buttons on the front of the unit.
After getting it going, I found that I needed a Phono preamp to get the signal strength necessary to use the deck for transferring vinyl to my PC.