Yamaha PX-3 PX-3 OWNERS MANUAL - Page 11

PX-3 TROUBLESHOO Before assuming that your turntable is faulty, check the following troubleshooting list which details the corrective action you can take yourself without having to call a service engineer. If you have any doubts or questions, get in touch with your nearest YAMAHA dealer. Fault I Cause Cure Power does not turn on when POWER switch is dep-essed. Balance (zero) cannot be obtained after changing cartridge. REPEAT play cannot be effected. No sound is heard, or sound is too faint, although the stylus descends onto the disc surface. The body of the cartridge catches on the disc surface. Unpleasant, distorted reproduced sound, with clicking or crackling sound. High frequency reprodi.ction is particularly affected. Unpleasant reproduced sounds with howling noise. Humming noise during disc play. Power cord not completely inserted into wall AC outlet, or or amplifier's spare power supply socket. Cartridge is either too heavy, or too light. PLAY has been started manually. Turntable has been manually operated during AUTOPLAY. Defective contact of headsheli connector. Amplifier's FUNCTION switch is not positioned to PHONO, Amplifier's volume is turned down. Poor contact of turntable output cord Cartridge stylus tracking force is too high. Improper tonearm height. Turntable is not level. Dust accumulated on the stylus tip. Stylus tip is worn down. The disc it self is damaged or is dirty. Stylus tracking force is either too light or too heavy. Amplifier's treble response has been overemphasized. Turntable is installed too close to the speaker system, or resonance has been induced by vibrations because placement of turntable is unstable. Ground wire of turntable not connected to amplifier's GND terminal. Defective contact of headshel l connector. Re-insert cord into wall AC outlet, or amplifier's spare power supply socket. The PX-3 handles cartridges in the weight range of 5g - 11g; the sub-weights are not needed. When a cartridge of over 11g is to be used, fit H the sub-weights and perform readjustments. First depress PLAY/DISC SIZE button and then depress REPEAT button. Attach headshell to the tonearm properly. Set FUNCTION properly to PHONO. Turn up the volume to an adequate level. Check and correct terminals between amplifier and rear panel, Readjust tracking force to optimum. Adjust to proper tonearm height. Correct by leveling turntable properly. Clean stylus tip using special stylus cleaning brush. Replace the stylus. Replace with a new disc. Readjust the tracking force for the cartridge to the recommended value. Turn the treble control back to the flat position. Move turntable to a more stable place, or instal l away from the speaker. (Installation in a corner of a room should be avoided in particular.) Connect ground wire to GND terminal. (In some cases, it is better not to ground it.) Fit the headshell onto the tonearm correctly. 10