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1. No Sound When the Power is Turned ON
Is the AC plug properly connected to an AC wall outlet? Check the AC connection carefully. Is the MASTER
VOLUME control turned up to a reasonable listening level?
This can occur if there is a high-power transmitter in your vicinity. Contact your Yamaha dealer.
This is usually due to turning ON or OFF a household appliance or other electronic equipment which is fed by the
same AC mains line as your YDP-88.
The YDP-88 contains digital circuitry which can generate radio-frequency noise. The solution is to move the YDP-
88 further away from the affected equipment, or vice versa.
2. The YDP-88 Reproduces Radio or TV Sound
3. Intermittent Static Noise
4. Interference Appears On Radio or TV Sets Located Near the YDP-88
Troubleshooting
If you encounter what appears to be a malfunction, please check the following
points before assuming that your YDP-88 is faulty.
Options
BC-8 Bench
A comfortable bench styled to match your Yamaha YDP-88.
HPE-150 Stereo Headphones
High-performance lightweight dynamic headphones with extra-soft ear pads.
Specifications

YDP-88

KEYBOARD 88 KEYS (A-1 ~ C7)
POLYPHONY 28 NOTES MAX.
VOICE SELECTORS PIANO, E. PIANO 1, E. PIANO 2, HARPSICHORD, ORGAN
RECORDER PLAY, REC
PEDAL CONTROLS SOFT/SOSTENUTO, DAMPER
OTHER CONTROLS MASTER VOLUME, TEMPO, METRONOME, DEMO, TRANSPOSE
JACKS PHONES x 2
MAIN AMPLIFIER 7W x 1
SPEAKER 16 cm x 1
DIMENTIONS Music stand 1346.2 x 423.0 x 771.5 mm
(W x D x H) down (53" x 16-5/8" x 30-3/8")
Music stand 1346.2 x 423.0 x 951.7 mm
up (53" x 16-5/8" x 37-1/2")
WEIGHT 31.5 kg (69.4 lbs.)