Question about Audio Players & Recorders
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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Posted on Jan 02, 2017
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
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
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
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
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
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
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