Systemdek IV E Fault 33RPM

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kdt6452
Great Britain
Posts: 4
Joined: 09 Jun 2019 15:12

Systemdek IV E Fault 33RPM

Post by kdt6452 » 09 Jun 2019 21:10

Just got my turntable out from hibernation after many years. It spins and plays when I select 45rpm but not when
I select 33rpm. I fitted a new belt before I started playing it and both speeds worked for a few hours bit the 33 now doesn't but the 45 still does. Would be grateful if anyone knows what could be wrong?

Alec124c41
vinyl engineer
vinyl engineer
Canada
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Location: North of Toronto, Canada

Re: Systemdek IV E Fault 33RPM

Post by Alec124c41 » 09 Jun 2019 21:26

Fresh oil to the platter spindle bearing is indicated. A drop to the motor bearings while you are at it.

Cheers,
Alec

kdt6452
Great Britain
Posts: 4
Joined: 09 Jun 2019 15:12

Re: Systemdek IV E Fault 33RPM

Post by kdt6452 » 09 Jun 2019 21:59

Thanks for quick response Alec,

I should have mentioned that the motor doesn't spin on 33 but it does on 45.

Alec124c41
vinyl engineer
vinyl engineer
Canada
Posts: 22811
Joined: 28 Oct 2002 04:24
Location: North of Toronto, Canada

Re: Systemdek IV E Fault 33RPM

Post by Alec124c41 » 10 Jun 2019 00:06

You have electronic power and electronic switching of speeds. There is apparently a fault in the electronics. It might be as simple as a dirty switch or blown fuse, or a failed capacitor, or not.
I am out of my depth on this one.

Cheers,
Alec

kdt6452
Great Britain
Posts: 4
Joined: 09 Jun 2019 15:12

Re: Systemdek IV E Fault 33RPM

Post by kdt6452 » 12 Jun 2019 18:27

Thanks for your thoughts Alec,

Have dropped the turntable into a local electronics specialist to get checked.

Many thanks

markcass
long player
long player
Great Britain
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Location: Surrey

Re: Systemdek IV E Fault 33RPM

Post by markcass » 12 Jun 2019 18:48

Hi

Those Systemdek electronic power supplies didn't have the best reputation for reliability IIRC. If yours can't be repaired, there are external power supplies, such as the Heed Orbit, that would work with some alterations to the motor wiring. It might also be possible to fit the Hercules power supply (a replacement for the Linn Valhalla) inside the plinth.

The deck is certainly worth it.

HTH

Mark

abril
long player
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Georgia
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Re: Systemdek IV E Fault 33RPM

Post by abril » 12 Jun 2019 20:32

Even temporarily making up a passive supply.

kdt6452
Great Britain
Posts: 4
Joined: 09 Jun 2019 15:12

Re: Systemdek IV E Fault 33RPM

Post by kdt6452 » 14 Jun 2019 14:17

Thanks to all the responses. I'll hopefully know next week what's wrong with the deck.

cheers
Ken

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