P-140S - Piano YAMAHA - Free user manual and instructions
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| Product Type | Digital Piano |
| Model | P-140S |
| Brand | Yamaha |
| Number of Keys | 88 |
| Key Action | Graded Hammer Standard (GHS) |
| Touch Sensitivity | Hard/Medium/Soft/Fixed |
| Polyphony (Max) | 64 notes |
| Number of Voices | 10 (including Grand Piano, Electric Piano, Organ, etc.) |
| Effects | Reverb (4 types), Chorus (3 types) |
| Built-in Songs | 60 preset songs + 10 demonstration songs |
| Metronome | Yes, adjustable tempo and time signature |
| Transpose | Yes, -12 to +12 semitones |
| Tuning | 414.8 - 466.8 Hz adjustable |
| Pedals | 3 (Damper, Sostenuto, Soft) via optional pedal unit / 1 sustain pedal included |
| Connections | DC IN 12V, Headphones x2, MIDI IN/OUT, Sustain Pedal, Pedal Unit |
| Speakers | 12 cm x 2 + 3 cm tweeters x 2, 6 W + 6 W |
| Power Supply | PA-5D AC adapter (12V, 1.5A) or 6 AA batteries |
| Power Consumption | 8 W (when using AC adapter) |
| Dimensions (W x D x H) | 1323 x 296 x 154 mm |
| Weight | 11.5 kg (25.4 lbs) |
| Auto Power Off | Yes (after 30 minutes of inactivity) |
| Included Accessories | AC adapter, sustain pedal, music stand, owner's manual |
| Maintenance | Clean with a soft, dry cloth; avoid solvents |
| Safety | Use only specified AC adapter; do not expose to liquids |
| Spare Parts & Repairability | Contact Yamaha authorized service centers |
Frequently Asked Questions - P-140S YAMAHA
How do I turn on the Yamaha P-140S?
Press the STANDBY/ON switch on the rear panel. The power indicator will light up.
Can I use headphones with the P-140S?
Yes, plug standard stereo headphones (with a 1/4-inch plug) into either of the two PHONES jacks on the rear panel.
How do I connect the P-140S to an external device (e.g., computer)?
Use a standard MIDI cable to connect the MIDI IN/OUT ports on the piano to the corresponding ports on your external device. Alternatively, a USB-MIDI interface may be required if your device only has USB.
What type of AC adapter does the P-140S require?
The P-140S requires the PA-5D AC adapter (12V, 1.5A). Using any other adapter may damage the instrument.
How do I adjust the touch sensitivity of the keys?
Press the FUNCTION button, then use the METRONOME button to select Touch Sensitivity. Use the + and - buttons to choose between Hard/Medium/Soft/Fixed.
Why is the sound distorted or clipped?
Check the volume level. If the volume is set too high, the built-in speakers may distort. Lower the master volume using the MASTER VOLUME slider. Also ensure the headphone or audio cable is not damaged.
How do I use the metronome?
Press the METRONOME button to start. Adjust tempo using the TEMPO buttons. Press METRONOME again to stop.
Can I record my playing on the P-140S?
The P-140S does not have a built-in recorder. To record, connect to an external recording device via the LINE OUT (if available, but note: this model only has headphone outputs) or use MIDI to a computer with a DAW.
How do I clean the keyboard?
Use a soft, dry cloth to wipe the keys and body. Do not use alcohol, thinner, or chemical cleaners as they may damage the finish.
What to do if the piano does not power on?
First, check the AC adapter connection. Ensure the PA-5D adapter is securely plugged into both the piano and a working wall outlet. If using batteries, replace them. If the issue persists, contact Yamaha support.
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