Lenco LBT-335 Manual De Usuario página 21

The platter doesn't turn although the unit is switched on:
- The unit is not connected to the main power supply.
- No power at the outlet.
- Drive belt is not installed or has slipped off.
- The unit automatically switched in standby mode, power ON again.
No signal through one or other channel or both channels:
- Phone input not selected at amplifier.
- Amplifier not switched on.
- Amplifier or speakers muted.
- No connection to the speakers.
- No connection between turntable and amplifier.
- Wire leads not connected the cartridge.
Strong hum on phono input:
- No ground connection from cartridge, arm, or arm cable to amplifier or
ground loop.
- Turntable too close to speakers.
Distorted of inconsistent sound from one or both channels:
- Turntable is connected to wrong input of amplifier.
- Needle or cantilever damaged.
- Drive belt overstretched or dirty.
- Platter bearing without oil, dirty or damaged.
- Dust on stylus.
- MM/MC switch on pre-amplifier set incorrectly.
Remark: Due to the ErP Stage 2 requirements for power saving
measures, a unit which is connected to the mains power will switch
itself to standby mode automatically if no music has been playing for
about 20 minutes.
20