Yamaha | YC-20 | Owner's Manual | Yamaha YC-25D Owner's manual

Yamaha YC-25D Owner's manual
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CONTENTS
Introduction .
Assembly |
-— Here is Your Yamaha Combo Organ Y C—25D .
How to Play Your YC—25D .
1.
Keyboards . .
. Tone Levers
. Effect Levers .
2
3
4.
5
Effect Controls
Effect Selectors .
Other Controls
Care of Your Yamaha Combo Organ
Caution .
OWNER'S MANUAL Specifications .
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INTRODUCTION
Thank you for selecting the Yamaha YC—25D for your
TWO-MANUAL combo organ! We hope you will read
this manual carefully and will experiment with the
organs many special features, in order that a more
complete understanding of its versatility will be yours.
The Yamaha Combo Organ Model YC—25D has two—
manual control of tones and effects to create a rich,
percussive effect, upper and lower bright effect, touch
vibrato, individual style, manual/pedal bass switchover,
impressive design. And you get a full array of conven-
ience extras, including pitch, master volume and bass
volume controls, easy set-up and portability, decades-
durable solid state circuitry. The above mentioned
controls and features will be explained in more detail in
the following pages. |
ASSEMBLY
1.
After loosening six screws (A) about half way,
instal! the legs (which are in a spearate vinyl
carrying bag) as shown in the figure and tighten
the screws.
. Open the cover by releasing catch® . The
expression pedal and power supply cord can
| then be removed.
. Check the input cord for loose or intermittent
connections.
- When standing the unit upright, balance it by
adjusting balancing screw ©.
Completely disassembled, parts stored, and
cover in place, your Yamaha Combo Organ
YC—25D becomes a convenient, portable unit
as shown.
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HERE IS YOUR YAMAHA
COMBO ORGAN YC-25D
O Upper Manual Tone Levers
® Effect Levers
@ Lower Manual Tone Levers
® Manual/Pedal Bass Tone Levers
O Effect Controls
O Upper Manual
© Lower Manual
@ Manual Bass Section
O Effect Selectors
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€ Attack Glide
8 Touch Mute
O Upper Manual
O Lower Manual
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———
HOW TO PLAY YOUR
1. KeyboardsQ 0 O
The YC—25D keyboards are as follows :
Upper Manual @ 49 keys (c—c,) 4 octaves
Lower Manual © 49 keys (C—ca) 4 octaves
Manual Bass @ 19 keys (C7-F*) 1% octaves
Pedal Bass (optional) 113 keys (C;~C) 1 octave
The manual keys are made of durable material, designed for
years of beautiful appearance and playing ease. The manual
keys work with the tone levers for tone color selection. The
19 bass keys on the extreme left end of the lower manual,
2. Tone Levers 0 06
There are three groups : one group for the Upper Manual
(11 voices), one for the Lower Manual (5 voices) and one for
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YC-25D
identified by reversed colors, become a manual bass section
when the Bass Changeover Switch (Manual/Pedal) is set for
Manual Bass. When this switch is set for Pedal Bass and the
optional pedals are attached, they work as the bass section.
In either case bass tones are set by the Manual Bass or Pedal
Bass tone levers. When the pedal bass is used (with the
switch set to Pedal Bass), the above-mentioned 19 lower
manual keys become a regular extension of the lower manual.
the Manual or Pedal bass (3 voices).
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Exclusive. Yamaha's Tone Lever System
This unique system provides much more variety than the
conventional on/off system of organ stops. Here each voice
has its own lever, which slides continuously from off to full
for unlimited variety of tonal shadings, a wider expressive
range for the keyboard master. For the beginner, or the
player in a hurry, there are two click-stops along the way, at
1/3 and 2/3 full settings. The click-stops can be clearly felt,
even though they do not hamper the continuous slide control,
and they can be used to reset tonal combinations with mathe-
matical precision. The YC—-25D provides this world-famous
system to satisfy every talent and playing style. Full mastery
of tone lever use is the most important point in developing
your own style, so make it a practice to recreate tones you
Harmonic
Tone levers provide several harmonics (8°, 16", 27, etc.) :
the 8' levers are “fundamentals,” which means they have the
same pitch as the written note. The others are called ‘’har-
ONE OCTAVE ONE OCTAVE
FUNDAMENTAL
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have heard and like, as well as creating your own. Also note
that the upper, lower and bass tone lever settings will have a
direct effect upon the relative balance of these three sections.
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monics” because they are at certain intervals above or below
the written note. For purposes of classification, harmonics
are generally divided into “consonants” (at octave intervals
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from the fundamental) and “dissonants” (separated by a third
or fifth from the fundamental). An example will show what
this means in playing. If you press middle C (called “c,” in
musical terminology) and set a 4” tone lever, you will get the
same note as you would by pressing ca (an octave above c1)
with an 8" tone lever. This means, of course, that the YC—
25D's range is really much wider than the actual keyboard;
using the 16’ lever, for example, will extend its scope down
to cy (see illustration}. Similarly, the 1° lever raises the tone
three octaves. Here, however, there is a limitation : the
Bass Guitar Y
Provides an attack and decay on all bass notes when this
voice is used. The tone decays more rapidly when the
3. EFFECT LEVERS ©
The effect levers € of the YC—25D provide a wide range
of tonal effects which add to the variety of possible con-
binations. These levers have the same operation as the tone
levers and allow the organist to vary the depth or speed of
their effects according to their stop positions as illustrated.
highest note the YC—25D can produce is bg. Any notes above
this will actually sound in the fifth octave above. middle С.
This unavoidable limitation is nothing to worry about, for the
YC—25D's actual range is still more than enough for the most
demanding organist. The use of the harmonic levers is not te
extend the range of pitches, but rather to create richer full-
bodied tonal combinations within the normal playing range.
They are the spices that flavor the various fundamentals, suit-
ing them to the mood of each selection.
key is depressed.
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Vibrato @
The use of vibrato increases the emotional quality of the tone
and adds a brisk and lively air to passages of relative sim-
Vibrato Speed @
Used in concert with the vibrato lever, it controls the
oscillating speed of the vibrato, which increases as it is
Touch Vibrato (Upper Manual) @
This exclusive Yamaha effect lets you play with the same
‘emotion in your fingers as a violinist. When the middle lever
shown in the photograph is pressed, the lateral vibration of
the finger on the key is transmitted as a warm vibrato. What's
more, this key is continuously variable, so that you can adjust
Upper Percussive Y Y Y
Changing the beginning of some or all notes can do wonders
. for lively selections. The YC-—25D really shines here, thanks
to a variety of percussive effects. The special popping 4” and/
or 2-2/3" percussive drive can be smoothly blended into all
upper tones with two variable levers : @ and @ , plus
Bright (Upper, Lower) O €
On the upper manual this effect covers all the white keys
(16° to 1’), and on the lower manual from 16’ to 2’. Each
Bass Sustain @
This control provide continuous adjustment of the sustain
‘effect on the Bass concerned. For the Bass, this is the
plicity. lts depth is controlled by this lever.
pulled down.
this effect’s intensity to suit any mood, matching vibrato
nuances to any selection or passage. This effect is particularly
dramatic when used with a single voice forms the melodic
line. It can be used in conjunction with the vibrato lever, but
If that lever is set to full it will override the Touch Vibrato.
a separate one @) to control the decay length of these effects.
Each note should be played cleanly ; slurred notes will
diminish the percussive effect. If a second note is pressed
while the first is still held down, the percussive effect will be
lost. В
lever is continually variable to provide a hard string-like tonal
balance or any shade down to a soft flute-like effect.
only sustain control, and it affects all Bass tones with the
exception of Bass Guitar with sustains automatically.
4. EFFECT CONTROLS OQ
Pitch Control O _
This control allows you to vary the pitch as much as 20 cents
above and 3.5 cents below standard (indicated by - mark). Use
Master Volume@
This knob determines the YC—25D’s maximum volume with
the expression pedal fully depressed. Use it to control the
Manual Balance 6
Governs the relative strength of upper and lower manuals.
This control is normally left in the center position, but can be
used to strengthen one manual. It can serve to accentuate an
Bass Changeover Switch (Manual/Pedal) @
When set to Manual, bass tones will come from the C— f#
keys on the lower manual. When set to Bass, bass tones will
come from the pedal-board and the reverse color lower manual
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Bass Volume OQ
The maximum setting of this control will result in bass tones
ten times louder than when it is set at minimum. Continuous
adjustment possible.
it to “tune” the YC—25D to other instruments.
expression pedal's volume range.
upper manual melody in relation to lower manual accompani-
. ment (turn to the right), or lower manual tones (turn to the
10
left).
keys will serve as a 19—note extension of that manual. Bass
pedalboard (Model BP—1) is available as an optional accessory.
Manual O”
Bass
Reversed color manual keys become
bass section (pedals do not function
even if connected).
Manual Pedal
Bass
Pedals become bass section {reversed
BP—1 color manual keys become extension
of lower manual).
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5. EFFECT SELECTORS ©
Touch Mute ®
Works like touch vibrato on all upper manual keys. Instead of
changing the volume of the note, as touch vibrato does, touch
Attack Glide @
When this selector is set all upper manual notes sound
slightly lower (approximately 90 cents) than their true pitch
when the key is pressed, then return to true pitch within
6. OTHER CONTROLS
Power Switch with Pilot Lamp €
It incorporates a pilot lamp for quick-glance verification of
whether the power has been switched on or off.
Expression Pedal Q
Depress it to increase the volume while playing.
Optional Pedalboard Socket
Please connect the cable from pedal keyboard unit to
“optional pedalboard socket” to control the bass tone with
pedal keyboard. Be sure to set Bass Changeover Switch for
“PEDAL”,
Output Jack
Feeds the signal to your amplifier system.
11
mute translates the lateral vibration of the fingers into a
change in tone color.
approximately one second. To use this effect, be sure to
play each note cleanly ; if a key is depressed before the one
before it is released, there will be no glide on that note.
Output Jack
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CE EE NATA ALA TNT EE
CARE OF YOUR YAMAHA COMBO ORGAN
In general, you should treat your Combo Organ with the same care you would give any fine musical instrument. However
the following points are suggested to assure optimum enjoyment.
1.
‘When you have finished playing, be sure to turn off
the power switch.
in order to clean manual keys, tabs, etc., use a damp
cloth. Never apply ‘household cleaners or solvents such
as alcohol, as they may damage the plastic materials
used.
if your Yamaha Combo Organ becomes inoperative or
does not function properly, first follow this simple step-
by-step check list before calling for service.
(1) Make certain that the line cord is plugged into a
live AC outlet. Make sure the wall receptacle is
. not faulty. (Hum from the speaker may be
reduced by reversing the line cord plug in the wall
outlet.) |
(2) Be sure the “ON-OFF” Power Switch is on. Pilot
Lamp will light to indicate this.
(3) Check the input cord for loose connections or
shorts.
(4) Make sure the master volume control is turned up
at least part way and that the swell shoe is firmly
attached and depressed. At least one tone volume
lever must be on, and. the balance lever set to
favor that section of voices.
. 1, after checking the above points, the instrument still
seems to be out of order, contact your Yamaha Service
Agent. The Yamaha Combo Organ uses IC's and other
solid state devices so, do not attempt to touch or
otherwise interfere with the circuits or internal elements
of this instrument.
CAUTION
VOLTAGE ADJUST
Before you plug in the AC supply, please check
that the voltage selector is set to your local
current. If not properly set, pull out the socket
and reinsert it to the correct voltage position.
Voltage settings: 100, 110, 117, 125, 220, 240 V
Models for the U.S., Canada, England and
- North Europe are properly preset before ship-
ment.
12°
SPECIFICATIONS
KEYBOARDS
Upper Manual
Lower Manual
Manual Bass
Pedal Bass
TONE LEVERS
Upper Manual
Lower Mañual
Manual/Pedal Bass
EFFECT LEVERS
Upper 8 Lower
49 keys (с — сл}
49 keys (C ~ ca)
19 keys (C: ~ F#)
13 keys {C: —C)
16°, 8°, 4°, 27/3 ‚ 2',
135,1
Trombone 16’
Kinura 16’
Trumpet 8°
String 4’
16, 8°, 4', 27%; ,7
Bass 16"
Bass 8'
Bass Guitar
Vibrato
Vibrato Speed
Upper Touch Vibrato
Bright
Percussive Length
Percussive 4'
Percussive 22/3
Lower Bright
Bass Bass Sustain
EFFECT SELECTORS
Upper Manual Touch Mute
Attack Glide
OTHER CONTROLS
Bass Changeover Switch (Manual/Pedal) -
Pitch Control
Bass Volume Control
Master Volume Control
Manual Balance Control
OTHER FITTINGS
Power Switch with Pilot Lamp
Expression Pedal
Optional Pedalboard Socket
Output Jack
CIRCUITRY
Solid State (incl. ICs)
POWER CONSUMPTIO
15 Watts
DIMENSIONS (WxHxD)
101 x 97 x 62cm (40x 38 x 2 *)
WEIGHT (with legs)
43 kg (95 165.)
FINISH |
Red, or American Walnut with
Grey Leatherette Siding
OPTIONAL ACCESSORY
- Bass Pedalboard (BP-1)
13
FOR THE BRITISH STANDARD MODELS
As the colours of the wires in the mains lead of
the apparatus may not correspond with the
coloured markings identifying the terminals in
your plug proceed as follows.
. The wire which is coloured GREEN-and-YELLOW
must be connected to the terminal in the plug
Which is marked by the letter E or by the safety
earth symbol == or coloured GREEN or GREEN-
and -YELLOW,
The wire which is coloured BLUE must be con- |
nected to the terminal which is marked with the
letter N or coloured BLACK, -
The wire which is coloured BROWN must be
connected to the terminal which is marked with
the letter L or coloured RED,
IMPORTANT:
The wires in the mains lead are coloured in accordance
with the following code. |
GREEN-and-YELLOW. . . . . Ce Earth
ВЫЧЕ. 1 LL La a LL Là Neutral
BROWN ................. uno... Live
WARNING:
This apparatus must be earthed.
Specifications subject to change without notice.
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