Question about Gemini PDT-6000 Turntable

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Gemini pdt-600 sliders dont work

The 2 sliders,tempo and pitch dont work,also i have a spare deck that i have never used and when i tried that it doesnt work either,the ones on the 1st machine have worked for 2 years but not any more please advise steve

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2 Suggested Answers

djproaudio
  • 515 Answers

SOURCE: Pitch LED not working

LED probably burned out, or installed reverse (+/- reversed) - Or, you installed a clickless (MK3/MK5) pitch control in an MK2 turntable.

Did you do this yourself? Or did you have this professional done? If professionally, and the LED does not work, ask for your money back! This is electronics repair 101!

If you did this yourself, then more than likely you installed the LED backwards. The longer lead is the positive lead. If the LED did not burn out, you might be able to just remove it and switch it around. If it does not work, then it probably shorted (more than likely). Also make sure that none of your solder is touching. This could cause a bad short to your entire turntable. So you want to becareful.

If you need any further assistance, feel free to give our service dept a call. We are masters with the 1200s, and fix over 300 a year! 1.866.668.1596 ext 1

- TERMiNAL OPTiC
www.DJPROLAB.com

Posted on Apr 30, 2008

  • 189 Answers

SOURCE: muffled sound

HELLO!
I don't think the problem is the actual stylus (needle), it sounds like the magnetic cartridge has become faulty in some way (it does happen). My advice is try another cartridge and stylus (borrow if you can). If the audio stays the same then it MAY be the wiring in the arm going through the plinth (deck) and these wires terminate to pins or a small pcb board in the turntable where the phono cables and arm wires are connected. There may be a bad connection inside.
Also, make sure your tonearm counterweight and anti-skate are set up properly as well as this can have an effect on audio.
I hope this helps as I have been into audio since I was a kid!

Posted on Jul 16, 2009

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1 Answer

Issues with turntables picking up speed when trying to time start off. It's hard to match beats when the table does not start on cue or slowly try to catch up to speed. What's wrong with them?


This seems to be a pitch control issue. controller,
replacing \t,could be worn over time,
SL1200 Technics - if you want a solid long lasting excellence of sound reproduction for many years to come,

I had the same pitch control issue,
happened on one of my decks so I replaced the controller and good to go from there,

Another important tip -
never lubricate the controls sliders with any thing apart from the correct greases or oils applied by the manufactuer,most people dont think of the damage caused by the cleaners they use ,some aerosols eat away the fine oil that lubricates the pitch control sliders making them dry and brittle eventually cracking producing odd random performance issues,

hope this helps,cheers Misterdj

Apr 08, 2010 | Philips gemini XL-500 II Turntable

1 Answer

Tempo slider does not increase or decrease when move up or down


I am in the same boat. I disassembled both of mine and had them powder coated at a paint shop last summer. Both were working fine but now the pitch on one unit is not working. And the green zero lock light stays on no matter which way I adjust the ptich.

Dec 28, 2009 | Technics SL-1200MK2 Turntable

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I recently purchased a used Technics 1200-MK2 turntable. Aside from the obvious wear and tear, there is one issue that I can not seem to fix. One the pitch slider, the factory set zero (green light is on)...


sound like the pitch has been tampered with.
Right you felling confer dent if so get your self a Philips screwdriver switch the deck off & unplug it under the slip mat there are two big holes put your fingers in them then twist & pull the platter off its always a mission because of the magnetic brakes.
when you've got it off undo the 5 screws that hold the plastic cover on, then you'll see a circuit board on the top right hand side which has 2 pot one named BRAKE the other PITCH adjust the PITCH anticlockwise until it's slot is pointing up straight put it all back together but dont put the screws back in just yet.
test it first if it's still not right repeat this proses untill you nail it.
GOOD LUCK if you get stuk e-mail me djtatty@hotmail.com

Aug 12, 2009 | Technics SL-1200MK5 Turntable

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GOING FROM 45 TO 33


I don't know if this model is direct driven or by belt. If it's belt driven then the belt could be fitted incorrectly, or faulty. Another possibilty is that there's a fault in the motor control circuit.

Jul 28, 2009 | Gemini PDT-6000 Turntable

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Sound wavers (speeds up and slows down)


you need to replace the Pitch controls. I'm presuming it is a sliding pitch control. Use the Red start stop lights that reflect on the rotating wheel. put the pitch in center 0. does one row of the dots on the wheel stay completely still.now just turn it up op down a bit until it starts to move the dots slightly. now watch the dots now while there moving. Do they fluctuate they should be smoothe. do this on both decks to find out which one is fluctuating.

Jul 10, 2009 | Philips gemini XL-500 II Turntable

1 Answer

My 33 & 45 speed giving problems


HELLO
I have just posted a cure for this deck, it is to do with the microswitches under the speed select buttons - they need to be replaced. Just repaired mine today - now there are no more problems selecting speeds.
If the speed goes back to 33 when the deck is switched off, this is because 33 is the default.
ALL THE BEST!

Nov 30, 2008 | Gemini PDT-6000 Turntable

1 Answer

Gemini xl 500


on top of the pitch control there is a small hole, in this hole you can use a small screw driver  and turn it left and right to free any dirt inside this is the master pitch control

Aug 10, 2008 | Gemini XL-500 Turntable

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Pitch problem out of nowhere!


HI Mattgood2

I believe this is a common problem more evident in decks that have a very hard life,
You pitch controls are probably due for replacements so I suggest you take then to the service agents to service them,
unless you know how to do the servicing

I grew up with Decks under my fingertips so I have seen this before and remember the only satisfing fix was a service and the pitch controls had to be replaced,

I thought I would have a go re-servicing myself and found far too many things to cover once the covers were off,

There are many things that need attention on the inside of these decks and the precise placement of each component is vital to the correct operation of this unit,peace of mind really

It takes a small amount of care to maintain these decks,
when they die or fail get a pro to fix the problem.
guess work only makes you look like an "Amatuer"

Please dont be offended (by my words) Ive done it too,LOL
I had a full dance floor and then nothing,the decks got replaced

What have you used to clean the pitch control sliders???

Aug 01, 2008 | Technics SL-1210 Turntable

1 Answer

Muffled sound


HELLO!
I don't think the problem is the actual stylus (needle), it sounds like the magnetic cartridge has become faulty in some way (it does happen). My advice is try another cartridge and stylus (borrow if you can). If the audio stays the same then it MAY be the wiring in the arm going through the plinth (deck) and these wires terminate to pins or a small pcb board in the turntable where the phono cables and arm wires are connected. There may be a bad connection inside.
Also, make sure your tonearm counterweight and anti-skate are set up properly as well as this can have an effect on audio.
I hope this helps as I have been into audio since I was a kid!

Apr 18, 2008 | Gemini PDT-6000 Turntable

1 Answer

Nothing happen when pressing the Start/Stop button.


One ov my decks (same Gemini PT-1000 II) had the same problem. Just open it and clean the micro switches underneath the big buttons. It worked fine for me.

Apr 11, 2008 | Gemini PT-1000 II Turntable

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