SPECIAL MESSAGE SECTION

PRODUCT SAFETY MARKINGS: Yamaha electronic products may have either labels similar to the graphics shown below or molded/stamped facsimiles of these graphics on the enclosure. The explanation of these graphics appears on this page. Please observe all cautions indicated on this page and those indicated in the safety instruction section. ENVIRONMENTAL ISSUES: Yamaha strives to produce products that are both user safe and environmentally friendly. We sincerely believe that our products and the production methods used to produce them, meet these goals. In keeping with both the letter and the spirit of the law, we want you to be aware of the following: Battery Notice: This product MAY contain a small nonrechargable battery which (if applicable) is soldered in place. The average life span of this type of battery is approximately five years. When replacement becomes necessary, contact a qualified service representative to perform the replacement. Warning: Do not attempt to recharge, disassemble, or incinerate this type of battery. Keep all batteries away from children. Dispose of used batteries promptly and as regulated by applicable laws. Note: In some areas, the servicer is required by law to return the defective parts. However, you do have the option of having the servicer dispose of these parts for you. Disposal Notice: Should this product become damaged beyond repair, or for some reason its useful life is considered to be at an end, please observe all local, state, and federal regulations that relate to the disposal of products that contain lead, batteries, plastics, etc. NOTICE: Service charges incurred due to lack of knowledge relating to how a function or effect works (when the unit is operating as designed) are not covered by the manufacturers warranty, and are therefore the owners responsibility. Please study this manual carefully and consult your dealer before requesting service. NAME PLATE LOCATION: The graphic below indicates the location of the name plate. The model number, serial number, power requirements, etc., are located on this plate. You should record the model number, serial number, and the date of purchase in the spaces provided below and retain this manual as a permanent record of your purchase.

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
See bottom of Keyboard enclosure for graphic symbol markings
The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. The lightning flash with arrowhead symbol, within the equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electrical shock. IMPORTANT NOTICE: All Yamaha electronic products are tested and approved by an independent safety testing laboratory in order that you may be sure that when it is properly installed and used in its normal and customary manner, all foreseeable risks have been eliminated. DO NOT modify this unit or commission others to do so unless specifically authorized by Yamaha. Product performance and/or safety standards may be diminished. Claims filed under the expressed warranty may be denied if the unit is/has been modified. Implied warranties may also be affected. SPECIFICATIONS SUBJECT TO CHANGE: The information contained in this manual is believed to be correct at the time of printing. However, Yamaha reserves the right to change or modify any of the specifications without notice or obligation to update existing units.

CLP-155

CLP-154S
Model _____________________________________ Serial No. __________________________________ Purchase Date ______________________________

Transpose keys (See page 10) Balance/Depth keys (See page 7, 8)
Right voice shift up key (See page 7)
BRILLIANCE MELLOW NORMAL BRIGHT
REVERB ROOM HALL 1 HALL 2 COSMIC

RECORDER 1 2

STRINGS

q The Music Stand

If you will be using sheet music with your Clavinova, raise the music stand built into its top panel by lifting the rear edge of the music stand, then flip down the music stand braces and engage them with the corresponding recesses. The music stand can be lowered after slightly lifting it and folding the two brackets which support it against the back of the stand.

1 [POWER] Switch

Press the [POWER] switch once to turn the power ON, a second time to turn the power OFF. When the power is initially turned ON, the [PIANO 1] voice selector LED will light, and the power indicator located below the left end of the keyboard will light.
The PIANO 1 voice is automatically selected whenever the [POWER] switch is initially turned ON.

7 [METRONOME] Button

Turns the metronome sound on and off. The [TEMPO] control, below, is used to set the tempo of the metronome sound. More precise tempo settings can be achieved by using the [METRONOME] button and the CLP-154S/155 keyboard as described on page 12.
2 [MASTER VOLUME] Control
The [MASTER VOLUME] control adjusts the volume (level) of sound produced by the Clavinovas internal stereo sound system. The [MASTER VOLUME] control also adjusts headphone volume when a pair of headphones is plugged into the PHONES jack (page 4).

8 [TEMPO] Control

This control adjusts the tempo of the CLP-154S/155 metronome function as well as the playback tempo of the recorder function. The tempo range is from 32 to 280 quarter-note beats per minute.
3 [BRILLIANCE] Button (CLP-155 only)
Memory key (See page 7, 8, 10, 11)
This button can be used to change the tonality or timbre of the selected voice. See page 9 for details.
9 RECORDER [PLAY] and [REC]
Buttons These buttons control the CLP-154S/ 155 2-track recorder, letting you record and play back just about anything you play on the keyboard up to a maximum of about 4,200 notes. See page 13 for details.

4 [REVERB] Button

The [REVERB] button selects a number of digital reverb effects that you can use for extra depth and expressive power. See page 8 for details.
5 [MIDI/TRANSPOSE] Button

The [MIDI/TRANSPOSE] button allows access to the Clavinovas TRANSPOSE function (to shift the pitch of the entire keyboard up or down), keyboard touch sensitivity adjustment, and MIDI functions. For details refer to TRANSPOSITION on page 10, TOUCH SENSITIVITY on page 10, and MIDI FUNCTIONS on page 15.

0 [DEMO] Button

Activates the demo playback mode in which you can select playback of different demonstration sequences for each of the Clavinovas voices. See page 6 for details.

! Pedals

The CLP-154S/155s soft (left), sostenuto (center) and damper (right) pedals provide a range of expressive control capabilities similar to the pedal functions on an acoustic piano. See page 9 for details.

6 Voice Selectors

The CLP-154S has six voice selectors and the CLP-155 has eight. Simply press any of the voice selectors to select the corresponding voice. The voice selector LED will light to indicate which voice is currently selected. The CLP-154S/155 also has a DUAL mode in which two voices can be played simultaneously across the full range of the keyboard see page 7 for details.

Soft pedal

Damper pedal

Sostenuto pedal

Connections

OUT IN

AUX IN R L

AUX OUT R L/L+R

IN OUT THRU
AUX IN R L AUX OUT R L/L+R

1 AUX IN L and R Jacks

DOU-10
These jacks are intended for use with an external tone generator module such as the Yamaha DOU-10 Disk Orchestra Unit. The stereo outputs from the external tone generator module are connected to the AUX IN L and R jacks, allowing the sound of the tone generator to be reproduced via the Clavinovas internal sound system and speakers.
The input signal from the AUX IN jacks is delivered to the AUX OUT jacks, but is not affected by the Clavinovas volume control or reverb effect.
2 AUX OUT L/L+R and R Jacks
The AUX OUT L/L+R and R jacks deliver the output of the Clavinova for connection to an instrument amplifier, mixing console, PA system, or recording equipment. If you will be connecting the Clavinova to a monaural sound system, use only the L/L+R jack. When a plug is inserted into the L/L+R jack only, the leftand right-channel signals are combined and delivered via the L/L+R jack so you dont lose any of the Clavinovas sound.
The Internal Amplifier & Speaker System The CLP-154S and CLP-155 feature high-performance stereo amplifiers delivering 20 and 30 watts per channel, respectively. The CLP-155 features a bass-reflex type enclosure with two 13-cm and two 5-cm speakers, while the CLP-154S houses a pair of 13-cm speaker units in a sealed enclosure.

Stereo System

q Adjusting the Balance Between the Dual-mode Voices
VINOVA E. PIANO ONE HARPSICHORD

Left voice maximum.

Equal balance.

Right voice maximum.

The volume levels of the two voices combined in the DUAL mode are normally set automatically to produce a pleasing balance (see Default Settings below). The balance can be adjusted manually by using the C2 through C4 keys on the keyboard while pressing the two voice selectors corresponding to the voices to be combined in the DUAL mode. The C3 key produces equal (50:50) balance between the two voices, while keys to the left of C3 increase the volume of the left voice in relation to the right voice, and keys to the right of C3 increase the volume of the right voice in relation to the left voice. By left and right voice we refer to the relative positions of the voice selectors i.e. in a PIANO 2/ CLAVINOVA TONE combination PIANO 2 is the left voice and CLAVINOVA TONE is the right voice. Depending on which voices you combine using the DUAL mode, the combination may sound better if one of the voices is shifted up an octave. To shift the right voice, press the C5 key while pressing the two voice selectors corresponding to the voices to be combined in the DUAL mode. Press C5 again to shift the voice back to its normal range. Use the C1 key in the same way to shift the left voice. Default octave settings are provided for all voice combinations, as listed in the Default Settings chart, below.
q Shifting a Dual-Mode Voice Up One Octave

VA E. PIANO HARPSICHORD

Left voice shift up.

Right voice shift up.

q Slow-attack Strings (CLP-155 only)
PIANO 1 PIANO 2 CLAV TO ES STRINGS ORGAN
In a DUAL mode voice combination using STRINGS and any other voice, it is possible to switch the STRINGS voice to a slow-attack variation when initially selecting the voices by pressing the [STRINGS] selector twice while holding the other voice selector. Repeat this operation to return to the normal STRINGS voice attack.
q Memorizing the Balance, Strings Type (CLP-155), & Octave Shift Settings
Press the C7 key while holding any two voice selectors to memorize all balance, STRINGS voice attack variation (CLP-155), and octave shift settings made since the power was turned on. The memorized settings will be retained in memory for about one week after the power is turned off, then the default settings will be restored. To keep the memorized settings for longer periods, turn the power on briefly at least once a week. If these settings are not memorized as described above, they are retained in memory only until the Clavinova is turned off.

Balance

Default Settings
PIANO 1 PIANO 1 PIANO 2 CLAVINOVA TONE E. PIANO HARPSICHORD VIBES (CLP-155) STRINGS (CLP-155) ORGAN R PIANO 2 CR CLAVINOVA TONE C3 C0 R E. PIANO C3 C3 CR 0 0
HARPSICHORD C3 C3 C3 C3 R 0 0

(CLP-155)

(CLP-154S) (CLP-155)

C3 C3 C3 C3 C3 L L

F2 F2 F2 F2 F2 B2 0

F2 F2 F2 F2 G2

E2 E2 F2 E2 G2 B2 C3

Octave Shift

C2 C4: Balance keys

0: Normal octave

L: Left voice up one octave
R: Right voice up one octave

Reverb

The [REVERB] button selects a number of digital reverb effects that you can use for extra depth and expressive power. To select a reverb type press the [REVERB] button a few times until the indicator corresponding to the desired type lights (the indicators light in sequence each time the [REVERB] button is pressed). No reverb is produced when all indicators are off.
OFF. When no reverb effect is selected (no REVERB indicator is lit), a special natural damper effect is applied to the piano voices. This simulates the natural resonance of an acoustic pianos strings and sound board when the damper pedal is pressed. ROOM. This setting add a continuous reverb effect to the sound that is similar to the type of acoustic reverberation you would hear in a medium-size room. HALL 1. For a bigger reverb sound, use the HALL 1 setting. This effect simulates the natural reverberation of a medium-size concert hall. HALL 2. For a really spacious reverb sound, use the HALL 2 setting. This effect simulates the natural reverberation of a large concert hall. COSMIC. The COSMIC reverb effect produces an echo-plus-reverb sound that can add life and animation to your music.

q Adjusting Reverb Depth

The depth of the selected reverb effect can be adjusted for the current voice by using the C2 through C4 keys on the keyboard while holding the [REVERB] button. The C3 key sets the normal depth for the selected effect. Keys to the left of C3 decrease the reverb depth, while keys to the right of the C3 key increase the reverb depth. Separate reverb settings can be made for each effect and voice, and these settings are retained in memory until the power is turned off. The depth of the natural damper effect is fixed. Default Settings

ROOM STRINGS (CLP-155), ORGAN C3 HALL 1 C3 HALL 2 F3 COSMIC E3

Decrease depth.

Normal depth.

Increase depth.

* All effect types set to C3 for all other voices. * The default reverb type is ROOM.
q Memorizing the Reverb Type & Depth Settings
Press the C7 key while holding the [REVERB] button to memorize the current effect type and all depth settings made since the power was turned on. The memorized settings will be retained in memory for about one week after the power is turned off, then the default settings will be restored. To keep the memorized settings for longer periods, turn the power on briefly at least once a week. If these settings are not memorized as described above, they are retained in memory only until the Clavinova is turned off.

Brilliance (CLP-155)

The [BRILLIANCE] button makes it possible to change the tonality or timbre of the selected voice to suit your musical requirements. Three settings are provided: MELLOW, NORMAL, and BRIGHT. To select one of these settings, press the [BRILLIANCE] button a few times until the indicator corresponding to the desired setting lights.
NORMAL.. This setting produces the normal tone of the selected voice. BRIGHT. This setting creates a brighter, sharper tone. MELLOW.. The MELLOW setting produces a rounder, softer tone.
q Memorizing the Brilliance Setting
Press the C7 key while holding the [BRILLIANCE] button to memorize the current brilliance setting. The memorized setting will be retained in memory for about one week after the power is turned off, then the default setting (NORMAL) will be restored. To keep the memorized setting for longer periods, turn the power on briefly at least once a week. If this setting is not memorized as described above, it is retained in memory only until the Clavinova is turned off.

The Pedals

The CLP-154S/155 has three foot pedals that produce a range of expressive effects similar to those produced by the pedals on an acoustic piano.

q Tuning Up

A -1 B -1 C3 B3
Z To tune up (raise pitch), hold the A-1 and B-1 keys simultaneously. X Press any key between C3 and B3. Each time a key in this range is
pressed the pitch is increased by approximately 1.2 cents, up to a maximum of 50 cents above standard pitch.
C Release the A-1 and B-1 keys.

q Tuning Down

A# -1 A -1 C3 B3
Z To tune down (lower pitch), hold the A-1 and A#-1 keys simultaneously.
X Press any key between C3 and B3. Each time a key in this range is
pressed the pitch is decreased by approximately 1.2 cents, up to a maximum of 50 cents below standard pitch.
C Release the A-1 and A#-1 keys.
q To Restore Standard Pitch*

A# -1 A -1 B -1 C3 B3

Z To restore the default pitch (A3 = 440 Hz), hold the A-1, A#-1 and B-1

keys simultaneously.

X Press any key between C3 and B3. C Release the A-1, A#-1 and B-1 keys.
The PITCH CONTROL function has no effect when LOCAL OFF is active (see MIDI FUNCTIONS, page 17).
q Memorizing the Pitch Control Setting
Press the C7 key while holding the A-1/B-1, A-1/A#-1, or A-1/A#-1/B-1 key combination to memorize the current pitch control setting. The memorized setting will be retained in memory for about one week after the power is turned off, then the standard pitch will be restored. To keep the memorized setting for longer periods, turn the power on briefly at least once a week. If this setting is not memorized as described above, it is retained in memory only until the Clavinova is turned off.
The Metronome & Tempo Control
The CLP-154S/155 built-in metronome is a convenient feature for practice, and it can also provide a solid rhythmic guide when recording using the Recorder feature, described below.

The Metronome

The metronome sound is turned on and off via the [METRONOME] button. Press the [METRONOME] button so that its indicator lights to turn the metronome on, then again so the indicator goes out to turn the metronome off. The volume of the metronome sound can be independently adjusted by using the [TEMPO] control while holding the [METRONOME] button. Sliding the control to the right increases the metronome volume.

q Metronome Volume

q Metronome Time Signature
PIANO 1 PIANO 2 CLAVINOVA E. PIANO TONE HARPSICHORD METRONOME
The time signature of the metronome sound can be set by pressing the appropriate voice selector button while holding the [METRONOME] button, as follows:
[METRONOME] + [PIANO 1] [METRONOME] + [PIANO 2] [METRONOME] + [CLAVINOVA TONE] [METRONOME] + [E. PIANO] [METRONOME] + [HARPSICHORD] No accent (default) 2 time 3 time 4 time 6 time

Tempo Control

32 TEMPO 120 280
The tempo of the metronome and recorder playback can be controlled in two ways: s Use the panel [TEMPO] control to set the required tempo from 32 to 280 quarter-note beats per minute. s For more precise tempo settings press the appropriate key on the keyboard while holding the [METRONOME] button.

C Make All Necessary Initial Settings
PIANO 1 PIANO 2 CLAVINOVA E. PIANO TONE HAR CHO
Before actually beginning to record, select the voice you want to record with (or voices if you will be using the dual mode). You might also want to set the volume and tempo controls.

V Start Recording

Recording will begin automatically as soon as you play a note on the keyboard or press the [PLAY] button.
If the metronome was on when you started recording, youll be able to keep time with the metronome while recording, but the metronome sound will not be recorded. You can record up to a maximum of about 4,200 notes, depending on pedal usage and other factors. The [REC] button and record track indicators will begin to flash when recorder memory is almost full, and recording will stop automatically.
Using the Recorder BStop Recording
Press either the RECORDER [REC] or [PLAY] button to stop recording. The indicator of the recorded track will glow green to indicate that it now contains data.
q Changing the Initial Settings
The initial voice (including dual mode and dual balance setting), damper pedal, soft pedal, tempo, reverb type, reverb depth, and brilliance (CLP-155 only) settings made in step 3 of the recording procedure are actually recorded by the CLP-154S/155. These initial settings can be changed after the recording is finished by pressing the [REC] button to engage the record ready mode, pressing the appropriate track button, making the required changes, and then pressing the [REC] button again to exit from the record ready mode and register the changes. If you do this, be careful not to press the [PLAY] button or a key on the keyboard, either of which will start recording and erase all previous recorded data on the selected track. If you start this procedure but decide to cancel, simply select a different track then press the [REC] button a second time. All data can be erased from either of the recorders tracks by engaging the record mode, selecting the track you want to erase, and then pressing the [PLAY] button twice without recording any data.

q Erasing a Single Track

Playback
To play back what youve recorded, first make sure that the green track indicators of the tracks you want to play are lit. If not, press the corresponding track button(s) so that they are lit. Then press the RECORDER [PLAY] button. Playback starts from the beginning of the recorded data, and will stop automatically at the end of the recorded data. You can also stop playback at any time by pressing the [PLAY] button. To mute a track so that it doesnt play back, press the corresponding track button so that its indicator goes out (press again to turn the track back on).

Data Being Recorded Playback Data
MIDI OUT MIDI IN MIDI OUT MIDI IN
Always use a high-quality MIDI cable to connect MIDI OUT to MIDI IN terminals. Never use MIDI cables longer than about 15 feet, since cables longer than this can pick up noise which can cause data errors.
q MIDI Messages Transmitted & Received by the Clavinova
The MIDI information (messages) transmitted and received by the Clavinova are as follows:
Note and Velocity Data This information tells the receiving keyboard or tone generator to play a certain note (specified by the MIDI note number) at a certain dynamic level (specified by the MIDI velocity value). Note and velocity data is transmitted by the Clavinova whenever a key is pressed, and the Clavinovas internal AWM tone generator will play the corresponding note(s) whenever note and velocity data is received from an external MIDI device. Program Change Numbers The CLP-154S transmits a MIDI program change number between 0 and 5, and the CLP-155 transmits a MIDI program change number between 0 and 7 when one of its voice selectors is pressed. This normally causes the correspondingly numbered voice to be selected on a receiving MIDI device. The Clavinova will respond in the same way, automatically selecting the appropriate voice when a MIDI program change number is received. See Program Change ON/OFF on page 17 for information on turning program change number reception and transmission ON or OFF. Control Change Numbers Control Change data representing Damper pedal operation is transmitted by the Clavinova whenever one of these pedals is used. If the receiving device is a tone generator or another keyboard, it will respond in the same way as the Clavinovas internal tone generator when one of the pedals is used. The Clavinova also receives and responds to the appropriate control change data. See Control Change ON/OFF on page 18 for information on turning control change number reception and transmission ON or OFF.
q MIDI Transmit & Receive Channel Selection

MIDI THRU

(Set to receive on MIDI channel 2)

MIDI IN

(Set to receive on MIDI channel 1)
The MIDI system allows transmission and reception of MIDI data on 16 different channels. Multiple channels have been implemented to allow selective control of certain instruments or devices connected in series. For example, a single MIDI sequence recorder could be used to play two different instruments or tone generators. One of the instruments or tone generators could be set to receive only on channel 1, while the other is set to receive on channel 2. In this situation the first instrument or tone generator will respond only to channel-1 information transmitted by the sequence recorder, while the second instrument or tone generator will respond only to channel-2 information. This allows the sequence recorder to play two completely different parts on the receiving instruments or tone generators. In any MIDI control setup, the MIDI channels of the transmitting and receiving equipment must be matched for proper data transfer. An OMNI receive mode is also available, which allows reception on all 16 MIDI channels. In the OMNI mode it is not necessary to match the receive channel of the receiving device to the transmit channel of the transmitting device (except when receiving mode messages). Setting the Clavinova MIDI Channels

Z Press and hold the [MIDI/TRANSPOSE] button. X Press the key on the keyboard corresponding to the desired MIDI transmit or receive channel.*

E5 D# 5

D# 2 C 4
* Keys C1 through D#2 on the keyboard are used to set the MIDI transmit channel, and keys C4 through D#5 are used to turn the OMNI mode OFF and set the MIDI receive channel as shown in the illustration to the left. The E5 key sets the OMNI receive mode and basic receive channel 1.
For setting the transmit channel. (C1 ~ D#2)
For setting the receive channel. (C4 ~ D#5) For OMNI mode
When the power is initially turned ON, MIDI receive is set to the OMNI mode, the basic receive channel is set to 1, and the transmit channel is set to 1.
q MIDI Transmit Transpose
This function allows the MIDI note data transmitted by the Clavinova to be transposed up or down in semitone increments by up to plus or minus 6 semitones. The pitch of the Clavinova itself is not affected. Setting the MIDI Transpose Function
Z Press and hold the [MIDI/TRANSPOSE] button. X Press the key on the keyboard corresponding to the desired amount of
* Keys F#5 through F#6 on the keyboard are used to set the MIDI transmit transpose function as shown in the illustration to the left.
When the power is turned ON, MIDI transmit transpose is set to 0 (no transposition).

Other MIDI Functions

The MIDI functions listed to the right are engaged by holding down the [MIDI/ TRANSPOSE] button and pressing the corresponding voice selector. Full details are given in the following pages. MIDI FUNCTION CHART
Function Local Control ON/OFF Program Change ON/OFF Control Change ON/OFF Multi-Timbre Mode MIDI Split & Left Local OFF MIDI Split & Right Local OFF Panel Data Transmit CLP-154S Voice Selector [PIANO 1] [PIANO 2] [CLAVINOVA TONE] [E. PIANO] [HARPSICHORD] [ORGAN] - none CLP-155 Voice Selector [PIANO 1] [PIANO 2] [CLAVINOVA TONE] [E. PIANO] [HARPSICHORD] [VIBES] [STRINGS]

q Local Control ON/OFF

Local Control refers to the fact that, normally, the Clavinova keyboard controls its internal tone generator, allowing the internal voices to be played directly from the keyboard. This situation is Local Control ON since the internal tone generator is controlled locally by its own keyboard. Local control can be turned OFF, however, so that the Clavinova keyboard does not play the internal voices, but the appropriate MIDI information is still transmitted via the MIDI OUT connector when notes are played on the keyboard. At the same time, the internal tone generator responds to MIDI information received via the MIDI IN connector. When using the DOU-10 Disk Orchestra Unit with the Clavinova, for example, Local Control should be turned OFF when recording using the DOU-10 voices only, and ON when recording the Clavinova voices while listening to playback of the DOU-10 voices.

Z Hold down the [MIDI/TRANSPOSE] button. X Press the [STRINGS] voice selector. C Release the [MIDI/TRANSPOSE] button.
See page viii for list of the panel settings transmitted by this function.

q Bulk Data Dump

This function is used to transmit all data stored in the Recorder memory to a MIDI data storage device such as the Yamaha DOU-10 Disk Orchestra Unit, other sequence recorders, or MIDI compatible computers.
Z Hold [MIDI/TRANSPOSE] and press the [PLAY] button. TransmisPLAY REC

sion will begin.

XRelease the buttons.
Bulk dump will not function when the metronome is on or when the recorder is in operation.

Factory Preset Recall

All dual mode, reverb, brilliance (CLP-155), touch sensitivity, and pitch control settings can be restored to their original factory preset values by holding the C7 key while turning the [POWER] switch ON. This also erases all recorder data.

Troubleshooting

If you encounter what appears to be a malfunction, please check the following points before assuming that your Clavinova is faulty.
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?
2. The Clavinova Reproduces Radio or TV Sound
This can occur if there is a high-power transmitter in your vicinity. Contact your Yamaha dealer.
3. Intermittent Static Noise
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 Clavinova.
4. Interference Appears On Radio or TV Sets Located Near the Clavinova
The Clavinova contains digital circuitry which can generate radio-frequency noise. The solution is to move the Clavinova further away from the affected equipment, or vice versa.
5. Distorted Sound When the Clavinova is Connected to An External Amplifier/Speaker System
If the Clavinova is connected to a stereo system or instrument amplifier and the sound is distorted, reduce the setting of the Clavinova volume control to a level at which the distortion ceases.
Options & Expander Modules

q Options

BC-8 Bench A comfortable bench styled to match your Yamaha Clavinova. HPE-160 Stereo Headphones High-performance lightweight dynamic headphones with extra-soft ear pads. KC-883 Key Cover (CLP-154S) A convenient way to keep your keyboard clean and dust-free.

NAME DATA SEND FORMAT

F0H, 43H, 0nH, 7DH, 00H, 10H (n: channel number) 53H, 4BH, 20H, 20H (SK) 43H, 4CH, 50H, 27H, 39H, 34H (CLP 94) 3xH, 3yH, 20H, 20H, 20H, 20H (x, y: version number) [CHECK SUM (1byte)] = 0-(53H+4BH+20H+.+20H) F7H
(4) Absolute Tempo Data format: [F0H] -> [43H] -> [73H] -> [xx] -> [11H] -> [1nH] -> [cc] -> [dd] -> [F7H]
43H : Yamaha ID 73H : Clavinova ID xx : 38H (CLP-154S ID), 38H (CLP-155S ID) 11H : Clavinova special control 1nH : Control MIDI change (Transmit: n=control channel number) (Receive: any channel OK) ccH : Absolute tempo low byte ddH : Absolute tempo hight byte Tempo=dd*128+cc

BULK DUMP FORMAT

F0H, 43H, 73H 38H (Product ID: CLP-154S/CLP-155) 06H (Bulk ID) 02H (Bulk number) 0DH, 00H, 07H, 0CH (Data length= wxyzH 0x683e*2 bytes) [BULK DATA] (Sequence data) [CHECK SUM (1byte)] = 0-sum (BULK DATA) F7H
Specifications/Technische Daten/Caractristiques techniques/Especificaciones
KEYBOARD POLYPHONY VOICE SELECTORS PIANO, BRILLIANCE REVERB TOUCH SENSITIVITY RECORDER PEDAL CONTROLS OTHER CONTROLS JACKS/CONNECTORS INPUT & OUTPUT LEVEL/IMPEDANCE MAIN AMPLIFIERS SPEAKERS Music stand DIMENTIONS
88 KEYS (A-1 ~ C7) 32 NOTES MAX. PIANO1, PIANO2, CLAVINOVA TONE, PIANO1, PIANO2, CLAVINOVATONE, E. E. PIANO, HARPSICHORD, ORGAN HARPSICHORD, VIBES, STRINGS, ORGAN
* nderungen ohne Vorankndigung vorbehalten.
MELLOW, NORMAL, BRIGHT ROOM, HALL 1, HALL 2, COSMIC HARD, MEDIUM, SOFT, FIXED 1, 2, PLAY, REC SOFT, SOSTENUTO, DAMPER MASTER VOLUME, MIDI/TRANSPOSE, METRONOME, TEMPO, DEMO PHONES x 2, AUX OUT R & L/L+R, AUX IN R & L, MIDI IN/OUT/THRU AUX OUT: Output impedance 600 AUX IN: Input impedance 10 k/Input sensitivity -10 dBm 20W x 2 30W x cm x cm x 2, 5 cm x 2 1414.0 x 500.0 x 890.8 mm 1414.0 x 500.0 x 890.8 mm (W x D x H) down (55-5/8" x 19-5/8" x 35") (55-5/8" x 19-5/8" x 35") Music stand 1414.0 x 500.0 x 1060.9 mm 1414.0 x 500.0 x 1060.9 mm up (55-5/8" x 19-5/8" x 41-3/4") (55-5/8" x 19-5/8" x 41-3/4") * Specifications subject to change without notice. 54.0 *kg (119.0 lbs.) Sous toute rserve de modification des caractristiques (136.7 lbs.) WEIGHT 62.0 kg sans pravis.

This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd.
M.D.G., EMI Division Yamaha Corporation 1994 VS31580 407POCP1.4-01A0 Printed in Japan