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No sound output

I have an Optimus LAB-1100 turntable with a built in pre-amp, connected to the line-in socket of my PC. My sound card uses C-Media Wave drivers and I have been using Polderbits sound recording and editing software to digitize my old LP music. It has worked fine for quite a while (and I am really impressed with Polderbits and their customer service), but suddenly I am not getting any sound input to the PC.

I can hear the music faintly from the stylus, so does this mean that the pre-amp is faulty, or have I messed up the settings in the Audio control?

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  • richardwarla Dec 29, 2008

    Problem solved! I had downloaded a new driver for the C-Media chip and used the default option when asked to select the input/output plug configuration. Default option was the wrong one for my PC!

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Optimus lab 1100 Turntable won't turn!

The mechanics in your arm postion is throwing the switch. A mechanical postion switch has sliped out of postion, a arm from the toner arm post has moved to an encorrect postion, or if your turntable has a multi-album play abilty your 'next to play record' post postion sensor switch is out of postion. Last or first is your belt could fool ya. Your belt may have a weak spot on it in turn no friction underload.

Posted on Sep 18, 2008

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  • 1 Answer

SOURCE: How to remove platter on Optimus Lab-1100 Turntable

on the shaft in the center where the hole of the record goes there is a locking washer on it . you can carefully remove this with a thin knife of something similar . you may need to use a little force , it is on there pretty tight however it can be removed .good luck

Posted on Oct 26, 2008

  • 104 Answers

SOURCE: optimus lab 1100 truntable will not operate.

this is a belt driven platter. the belt is old and fell off. http://www.archive.org/details/Turntable_Belt_Installation

this link shows how to replace a belt, once you see where the belt goes thread a piece of string through the mechanism where the belt should go and measure it and contact them with the length. or measure total length of the old belt if still in one piece. figure about $14 for most belts.

Posted on Feb 11, 2009

dunnbiker
  • 8546 Answers

SOURCE: No sound from my record turntable into my computer.

If you're certain there is no sound going out of the TT...

Setting the Pre-amp Switch
For increased flexibility of use, this turntable has an internal
stereo phono pre-amplifier. The Pre-amp Selector Switch
is located under the turntable platter, in the rear-center
(Fig. 1). If the system amplifier you are using has a PHONO
input, set the Pre-amp Selector Switch to the “OFF”
position. If your amplifier does not have a PHONO input,
set the Pre-amp Selector Switch to the “ON” position and
connect the turntable’s output cables to the AUX or other
high-level input on the amplifier (described later).

Turntable operates, but no sound at all
1. The stylus guard is still in place.
2. The tone arm Lift button is pressed in.
3. Amplifier controls set incorrectly: wrong input selected,
tape monitor on, speakers switched off, etc.
4. Check the stylus on phono cartridge for correct placement.
Refer to the instructions for replacing the stylus
on page 5.
Turntable operates, but no sound, or sound not loud
enough
1. If the turntable is connected to an AUX (high-level)
input: The Pre-amp Selector Switch may be set to the
“OFF” position (phono-input level).
2. The input gain of the amplified speaker or similar
device may be too low.
3. The stylus assembly may not be fully seated in the
cartridge body.

You could also isolate the problem to either the TT or the PC by trying the TT on some other sound device like a receiver. Make sure the PreAmp Selector switch is ON and plug the TT into any AUX, CD or TAPE input.

Posted on Apr 24, 2009

jomabug76
  • 1148 Answers

SOURCE: Is there a belt diagram for Optimus LAB-460

try radio shack website,,or optimus site,,,for it,,should have manual

Posted on Nov 03, 2010

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Cheers, Gordon.

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