Yamaha P-105 Owner's Manual - Page 20

Troubleshooting Appendix Problem The instrument does not turn on. The instrument is automatically turned off even if no operation is done. Noise is heard from the speakers or headphones. The overall volume is low, or no sound is heard. The pedal has no effect. The footswitch (for sustain) seems to produce the opposite effect. For example, pressing the footswitch cuts off the sound and releasing it sustains the sounds. Possible Cause and Solution The instrument has not been plugged in properly. Securely insert the female plug into the jack on the instrument, and the male plug into a proper AC outlet (page 7). This is normal. This occurs due to the Auto Power Off function (page 19). The noise may be due to interference caused by the use of a mobile phone in close proximity to the instrument. Turn off the mobile phone, or use it further away from the instrument. The Master Volume is set too low; set it to an appropriate level using the [MASTER VOLUME] slider (page 7). Make sure a pair of headphones is not connected to the headphones jack (page 7). Make sure that Local Control is ON. For details, refer to "MIDI Reference" (page 4) on the website. The pedal cable/plug may not be properly connected. Make sure to securely insert the pedal plug into the [SUSTAIN] or [PEDAL UNIT] jack (page 8). The polarity of the footswitch is reversed because the footswitch was pressed when the power was turned on. Turn off the power and turn it on again to reset the function. Make sure to not press the footswitch when turning the power on. Specifications Dimensions (W x D X H) • 1,326 x 295 x 163 mm (52-3/16" x 11-5/8" x 6-7/16") Weight • 11.7 kg (25 lbs. 13 oz.) Keyboards • 88 keys (A-1 - C7) • Graded Hammer Standard (GHS) keyboard • Touch Sensitivity (Hard/Medium/Soft/Fixed) Voice • 14 Preset Voices • Polyphony: 128 Effects/Functions • 4 Reverb types • Damper Resonance • Dual • Split • Duo • Intelligent Acoustic Control Pianist Style • 10 Styles Song Playback • 14 Demo Songs + 50 Preset Songs Song Recording • 1 User Song with 2 tracks • Data Capacity: One song 100KB (about 11,000 notes) • Format Playback: SMF (format 0, format 1) Recording: SMF (format 0) Overall Functions • Transpose • Fine Tuning: 427.0 Hz - 453.0 Hz • Metronome/10 Rhythms • Tempo (5 - 280) 20 P-105 Owner's Manual Connectivity • DC IN (12V), PHONES (2), SUSTAIN, PEDAL UNIT, USB TO HOST, AUX OUT Amplifiers •7W+7W Speakers • 12 cm x 2 + 5 cm x 2 Power Supply • AC Power Adaptor PA-150 or an equivalent recommended by Yamaha Power Consumption • 7W (When using PA-150 power adaptor) Included Accessories • Owner's Manual, Music Rest, AC Power Adaptor PA-150 or an equivalent recommended by Yamaha*, Online Member Product Registration**, Footswitch * May not be included depending on your particular area. Please check with your Yamaha dealer. ** The PRODUCT ID on the sheet will be needed when you fill out the User Registration form. Options • Keyboard Stand L-85/L-85S/L-85WH, Pedal Unit (LP-5A/LP5AWH), Foot Pedal FC3, Footswitch FC4/FC5, Headphones (HPE-30/HPE-150), AC Power Adaptor (Users within U.S or Europe: PA-150 or an equivalent recommended by Yamaha, Others: PA-5D, PA-150 or an equivalent) * Specifications and descriptions in this owner's manual are for information purposes only. Yamaha Corp. reserves the right to change or modify products or specifications at any time without prior notice. Since specifications, equipment or options may not be the same in every locale, please check with your Yamaha dealer.