Casio WK-1800 Manual de usuario

HIGH-GRADE KEYBOARD

WK-1800

MAY.2000

WK-1800

AMPENVELOPE

00FLAT

01-17VIBRATO

18-45OTHERS

DECAY

SUSTAIN

PITCHENVELOPE

MIN

MAX

FULL RANGE

CHORD

CASIO CHORD

SONG

FINGERED

PATTERN

EXTERNAL

INTERNAL UPPER1

CH 1

UPPER2

CH 2

LOWER1

CH 3

LOWER2

STOREBANK

CH 4

ACC VOL.

CH 5

CHORD1

CH 6

CHORD2

CH 7

CHORD3

CH 8

BASS

CH 9

RHYTHM

CH 10

TR1

CH 11

TR2

CH 12

TR3

CH 13

TR4

CH 14

TR5

CH 15

TR6

CH 16

789

456

PARAMETERRESET:

DELETE

/YESS/NO

MAIN MANU/

CHANNELVOLUME:

SUB MANU/

CHANNEL SELECT:

Ver.1 : Apr. 2007

INDEX

— 1 —

CONTENTS

Specifications ---------------------------------------------------------------------------------------------- 2

Important Operation ------------------------------------------------------------------------------------- 4

Block Diagram --------------------------------------------------------------------------------------------- 5

Circuit Description --------------------------------------------------------------------------------------- 6

Diagnostic Program------------------------------------------------------------------------------------ 22

Major Waveformes -------------------------------------------------------------------------------------- 28

Printed Circuit Board ---------------------------------------------------------------------------------- 29

ExplodedView ------------------------------------------------------------------------------------------- 34

Parts List--------------------------------------------------------------------------------------------------- 35

Schematic Diagrams----------------------------------------------------------------------------------- 38

— 2 —

SPECIFICATIONS

GENERAL

Keyboard: 76 standard-size keys, 6 octaves (with touch response on/off;ExLight/

Light/Normal/Heavy touch)

Tones: 232 (128 General MIDI, 64 variation, 8 drum, 32 user); with layer and

split

Rhythm instrument tones: 53

Polyphony: 32 notes maximum (16 for certain tones)

Digital effects: 10 (REVERB 1, 2, 3; CHORUS;TREMOLO; PHASE SHIFTER; OR-

GAN SPEAKER; ENHANCER; FLANGER; EQ LOUDNESS)

Auto accompaniment

Rhythm patterns: 130 (120 + 10 user rhythms)

Tempo: Variable (226 steps, = 30 to 255)

Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE

CHORD)

Rhythm controller: Start/Stop, Intro, Normal/Normal Fill-In, Variation/Variation Fill-In,

Synchro/Ending

Accomp volume: 0 to 127 (128 steps)

One touch presets: Recalls settings for tone, tempo, layer, and Auto Harmonize in accor-

dance with rhythm.

Auto harmonize: Automatic addition of notes that harmonize with melody note in ac-

cordance with specified Auto Accompaniment chords.

Free session

Number of patterns: 120 (Auto Accompaniment function based on preset chord progres-

sions.)

Song sequencer

Songs: 2

Recording tracks: 6 (2 through 6 are melody tracks)

Recording method: Real-time

Memory capacity

(total for two songs): Approximately 8,000 notes

Punch in: Supported

Pattern sequencer

Number of patterns: 10 (Rhythm numbers 120 to 129)

Memory capacity: Approximately 6,800 notes

Elements: Intro, Normal, Variation, Normal Fill-In, Variation Fill-In, Ending

Parts: Chord 1, 2, 3; Bass; Rhythm

Recording method: Real-time

Registration memory

Number of setups: 20 (5 setups ×4 banks)

Memory contents: Tone, Rhythm, Tempo, Split on/off, Split point, Layer on/off, Auto Har-

monize on/off, Mixer settings, Keyboard channel on/off, DSP (digital

effect) on/off, DSP (digital effect) settings, Accompaniment mode,

Touch Response settings, Assignable jack setting, Transpose, Tun-

ing, Pitch Bend range, Sound range shift on/off

Demo tunes: 2

Synthesizer

Parameters: PCM set, amp envelope set, attack rate, release rate, pitch envelope

set, pitch, level, touch sensitivity, pan, filter sensitivity, filter level, trans-

pose

Mixer Channels: 32(Internal 16, External 16)

Modes: Internal, External, External/Solo, External/Play

Parameters: Program change number, volume, expression, pan, coarse tuning,

fine tuning, Effect Send

MIDI: 16-channel multi-timbre receive, General MIDI Level 1

— 3 —

Other functions

Pitch bend range: Adjustable (12 semitones upwards and downwards)

Modulation: Equipped

Transpose: 25 steps (–12 semitones to +12 semitones)

Tuning: Adjustable (A4 = approximately 440Hz ±50 cents)

Terminals

MIDI terminal: IN, OUT

Sustain/Assignable jack: Standard jack (sustain, sostenuto, soft, rhythm start/stop)

Line out L(MONO)/R

Output Impedance: 3 kΩ

Output Voltage: 1.5 V (RMS) MAX

Headphones Stereo standard jack

Output Impedance: 200 Ω

Output Voltage: 220 mV (RMS) MAX

12 V DC

Floppy disk drive

Type: 3.5" FDD

Formats: 2DD (720KB MS-DOS format)

2HD (1.44MB MS-DOS format)

Functions: Save and load of user tones, user rhythms, sequencer, and registration

data; playback of SMF; disk formatting; file delete; accompaniment pat-

tern style conversion

Power supply: Dual power supply system

Batteries Six D-size batteries

Battery life Approximately 2 hours continuous operation on alkaline batteries

AC adapter: AD-12

Auto power off: Turns power off approximately six minutes after last key operation. En-

abled under battery power only, can be disabled manually.

Speaker output: 5 W + 5 W

Power consumption: 12 V 18 W

Dimensions: 122.5 ×42.3 ×16.7 cm (48 1/4 ×16 11/16 ×6 9/16 inch)

Weight (without batteries): Approximately 9.8 kg (21.6 lbs)

Standard accessories: Music Stand; Pattern Conversion Disk

ELECTRICAL

Current drain with 12 V DC:

No sound output 480 mA ±20 %

Maximum volume 1765 mA ±20 %

with 24 keys from C3 to B4 pressed in Synth-Bass 4 tone

Volume: MAX., Velocity: MAX.

DSP0: Reverb1

Phone output level (Vrms with 32 Ωload each channel):

with tone Synth-Bass 4 tone L-ch (Key C3) 590 mV ±20 %

Volume: MAX., Velocity: MAX. R-ch (Key F3) 590 mV ±20 %

DSP0: Reverb1

Speaker output level (Vrms with 8 Ωload each channel):

with tone Synth-Bass 4 tone L-ch (Key C3) 7900 mV ±20 %

Volume: MAX., Velocity: MAX. R-ch (Key F3) 7350 mV ±20 %

DSP0: Reverb1

Output level (Vrms with 47 kΩload each channel):

with tone Synth-Bass 4 tone L-ch (Key C3) 605 mV ±20 %

Volume: MAX., Velocity: MAX. R-ch (Key F3) 510 mV ±20 %

DSP0: Reverb1

Minimum operating voltage: 6.1 V

— 4 —

IMPORTANT OPERATION

Full Initialization

Use this procedure to return all keyboard settings to what they were when you purchased it. Note that this

procedure clears all data from memory.

• While holding down the ENTER button, turn on keyboard power.

• PressYES to initialize the keyboard or NO to turn on power without changing any settings.

Parameter Initialization

Use this procedure to return all keyboard settings to what they were when you purchased it. Note that this

procedure does not affect user tones, user rhythms, registration memory contents, and display contrast

settings.

• While keyboard power is on, press the [+], [–], and ENTER buttons at the same time.

Adjusting Display Contrast

• Display contrast can be adjust to one of 100 levels for easy viewing.

• Adjusting display contrast helps to make figures easier to read from any viewing angle.

• Within five seconds after pressing the CONTRAST button, press [+] to increase the contrast value (mak-

ing the display darker) or [–] to decrease it (making the display lighter).

• After you release CONTRAST, the message “Contrast” remains on the display for a few moments, during

which you can change the contrast setting further using [+] and [–] or by inputting a contrast value with the

number keys.

The contrast can be set to a value from 0 to 99.The initial default setting is 50.

GM (General MIDI):

General MIDI standardizes MIDI data to play music with same nuance between different MIDI instruments.

Among GM conformed MIDI instruments, or commercially available musical data, music can be played with

similar tones.

SMF (Standard MIDI File):

SMF is a standard file format for MIDI instruments and computer music software. SMF formatted data can

be played and transported easily among SMF complied instruments or musical data of different manufac-

turers.

Reset?

— 5 —

BLOCK DIAGRAM

BOK

Back Light Driver

TE-CFL733-IMI

Q601, Q602

ROM2

LHMN5KPN

LSI2 (32Mbit)

ROM1

LHMN5KPP

LSI1 (32Mbit)

RAM2

TC551001CFL-70L

LSI8 (1Mbit)

VBR VBR

VBR

AVDDAVCCDVDDFVDDCVDDVCC

VDDVC

VDD

APO

NMI

SWCK

LSDT

CE1

IC6

LWR, RD CE1 HWR, RD HWR

RD, HWR,

LWR

RD, HWR,

LWR

RD, HWR, LWRTEND, DREQ, CS2, CS3, 8/5

A0 ~ A15

KI0 ~ KI7

KC0 ~ KC7

SEG1 ~ SEG40

OUT

MIDI

COM1 ~ COM16

LEDA ~ LEDH

LEDCK, LEDCL

D0 ~ D15

D15

Chip Selector

TC74HC08

IC4

S-Register

TC74HC164

IC402

S-Register

TC74HC164

IC401

LCD

FDD Controller

HD63266F

LSI10

3.5" FDD Unit

DF354H064C

Back up

Power

CR2032

Power Supply Circuit

IC202, Q207

Q208, Q211, Q214,

Q215

Q209,

Q213

CPU

HD6433048SA89F

LSI9

Working

RAM

TC55257

GFL-70L

LSI4

(256Kbit)

LPF

(L) LPF

(R)

D8 ~ D15 RESET

RESET

RD,

HWR

ECEB, EOEB

EWEB

RESB

PBO

LCD Driver

SED1278F2A

LSI601

LDB4

~LDB7

CONT,

LRS,

LR/L

Keyboard

SI0 ~

SI9

FI0 ~

FI9

KC0

KC7

RAM1

TC551001CF-70L

LSI7 (1Mbit)

Key Controller

TC190C020AF-001

LSI6

Reset IC

RN5VD40A

IC5

Out put

(L) (R)

Speakers

LEDs

VDD

Buttons

A1 ~ A4

D0 ~ D15

RA0 ~ RA21

ED0 ~ ED8

EA0 ~ EA14

RD0 ~ RD15

Main

Volume

D/A Converter

µPD63200GS

LSI5

Power Amp.

LA4663

IC201

DSP

HG51B155FD

LSI3

A0 ~ A3

Back Light

SORP, SYOB, WOK1, BOK

— 6 —

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7

FI0 E11F11F#11G11G#11A11A#11

SI0 E12F12F#12G12G#12A12A#12

FI1 B11C21C#21D21D#21E21F21F#21

SI1 B12C22C#22D22D#22E22F22F#22

FI2 G21G#21A21A#21B21C31C#31D31

SI2 G22G#22A22A#22B22C32C#32D32

FI3 D#31E31F31F#31G31G#31A31A#31

SI3 D#32E32F32F#32G32G#32A32A#32

FI4 B31C41C#41D41D#41E41F41F#41

SI4 B32C42C#42D42D#42E42F42F#42

FI5 G41G#41A41A#41B41C51C#51D51

SI5 G42G#42A42A#42B42C52C#52D52

FI6 D#51E51F51F#51G51G#51A51A#51

SI6 D#52E52F52F#52G52G#52A52A#52

FI7 B51C61C#61D61D#61E61F61F#61

SI7 B52C62C#62D62D#62E62F62F#62

FI8 G61G#61A61A#61B61C71C#71D71

SI8 G62G#62A62A#62B62C72C#72D72

FI9 D#71E71F71F#71G71

SI9 D#72E72F72F#72G72

CIRCUIT DESCRIPTION

KEY MATRIX

Note: Each key has two contacts, the first conatct 1and second contact 2.

Key

Second contact 2 First contact 1 FI

NOMENCLATURE OF KEYS

C2 C3 C4 C5 C6 C7 G7E1

— 7 —

KI5

TR6

CH16

ENTER

▲

▼

DISK

KI1

INTRO

BANK

BUTTON MATRIX

LED-B

FINGERD

LED-A

FULL RANGE

CHORD

LED MATRIX

LED-C

CASIO CHORD

CON-

TRAST

FREE

SESSION

ONE TOUCH

PRESET

NORMAL/

FILL-IN

VARIATION/

FILL-IN

SYNCHRO/

ENDING

START/

STOP

TEMPO

▼

TEMPO

▲

MIXER

SELECT ▼/NO

—

▲/YES

PWSW POWER

TRANSPOSE

▲

TRANSPOSE

▼

AUTO

HARMONIZE

KC0

KC1

KC2

KC3

KC4

KC5

KC6

KC7

KI0

MODE

RECORD

SONG

PATTERN

DSP

KI2

UPPER1

CH1

UPPER2

CH2

LOWER1

CH3

LOWER2

CH4

ACC VOL

CH5

CHORD1

CH6

CHORD2

CH7

KI3

CHORD3

CH8

BASS

CH9

RHYTHM

CH10

TR1

CH11

TR2

CH12

TR3

CH13

TR4

CH14

TR5

CH15

KI4

STORE

KI6

SPLIT

LAYER

RHYTHM

TONE

KI7

KI8

DEMO

SYNTH

TUNE/

MIDI

TOUCH

RESPONSE

— 8 —

MEMORY DEVICES

Each memory device has the following data.

1RAM1 :

S-RAM for operation program, Register, Pattern, Song

and SMF data from FDD. (Lower part of data bus)

2RAM2 :

S-RAM for operation program, Register, Pattern, Song

and SMF data from FDD. (Upper part of data bus)

3Internal ROM of CPU :

Main program data for system operation

4Internal RAM of CPU :

Work area for system operation

5ROM1 :

Demo, Accompaniment data, Song, Pattern, Synth, Disk

mode

6ROM2 :

Sound Waveforms/Tone data Digital sound effect

7Working RAM :

Work area for DSP

CPU

RAM1

1

1 Mbit

LSI7

ROM

RAM

3

512 kbit

16 kbit

DSP

LSI9

LSI3

Working RAM

256 kbit

LSI4

Internal Memory

ROM1

32 Mbit

LSI1

RAM2

1 Mbit

LSI8

ROM2

32 Mbit

LSI2

VDD Battery set

RESET

CPU

HD6433048SA89F

LSI9

FDD Controller

HD63266F

LSI10

RESET

Power Supply

Circuit

DSP

HG51B155FD

LSI3

RESB

Key Controller

TC190C020AF-001

LSI6

DVDD

VDD

DVDD

RESET

APO

PWSW

From power switch

RES

NMI

PB0

PA7

RESET

PW/SW ON

APO

DVDD

(5V)

Initial reset

When batteries are set or an AC adapter is connected, the reset IC provides a low pulse to the CPU.

When the power switch is pressed, the CPU receives a low pulse of POWER signal.The CPU first raises

APO signal to +5 V to generate DVDD voltage, then raises RESET signal to +5 V. During this period the

DSP, the key controller and FDD controller LSIs initialize their internal circuits.

RESET CIRCUIT

— 9 —

POWER SUPPLY CIRCUIT

The power supply circuit provides various voltages as shown below.

The voltage VDD (+5 V) is provided as long as batteries or AC adaptor is set.

Other voltages are controlled by APO (Auto Power Off) signal from CPU.

The regulator IC BA9700A generates square waveform from pin 5 as PWM (Pulse Wide Modulation).

The LC filter makes stable output voltage (+5 V) for each circuit as shown above.

LC Filter (To digital)

(To analog)

(To FDD)

(To LCD)

CPU

HD6433048SA89F

LSI9

PA7

NMI

PW/SW

APO

NMI

PW/ON

APO

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