Casio CTK-811 User Manual

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CTK-811EX

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INDEX

JUL.1998

MODULATION

PITCH BEND

110 RHYTHMS

DSP

USER RHYTHM 100

‘

109

2-WAY

BASS REFLEX SPEAKER

POWER MODE

RECORD

NORMAL/

INTRO

FILL-IN

SEQUENCER

FULL RANGE CHORD

FINGERED

CASIO CHORD

SONG

VARIATION/

FILL-IN

CONTRAST

VOLUME

FREE

MAX

SESSION

ONE TOUCH

PRESET

MIN

EXTERNAL CH1

CH2

CH3

CH4

PATTERN

INTERNAL

MIXER SELECT TONE EXPANDER ACCOMP SEQUENCER TRACK

TEMPO

SYNCHRO/

START/

ENDING

STOP

CH5

UPPER1

UPPER2

LOWER1

LOWER2

ACC VOL.

BANK A B C D E STORE

CH6

CHORD1

16 CHANNEL MIXER

CH7

CHORD2

CH8

CHORD3

REGISTRATION

CH9

CH10

BASS

RHYTHN

GM SOUND KEYBOARD

232 TONES

TONE

RHYTHM

LAYER/

AUTO HARMONIZE

SPLIT

CH11

CH12

CH13

CH14

CH15

CH16

TR6

TR1

TR2

TR3

TR4

TR5

DEMO

ENVELOPE

PITCH

/NO /YES

DELETE

CURSOR

ENVELOPE

00 FLAT

SYNTH

TRANSPOSE/

TUNE/MIDI

01-17 VIBRATO

TOUCH

RESPONSE

18-45 OTHERS

DISK

MAIN MENU/

: CHANNEL VOLUME SUB MENU/

: CHANNEL SELECT

ENTER

2-WAY

BASS REFLEX SPEAKER

10DSP

PARAMETER RESET

ENTER AMP ENVELOPE

DECAY

SUSTAIN

CTK-811

CONTENTS

Safety Notice ----------------------------------------------------------------------------------------------- 2 Specifications ---------------------------------------------------------------------------------------------- 3 Important Operation ------------------------------------------------------------------------------------- 5 Block Diagram --------------------------------------------------------------------------------------------- 6 Circuit Description --------------------------------------------------------------------------------------- 7 Diagnostic Program------------------------------------------------------------------------------------ 22 Major Waveformes-------------------------------------------------------------------------------------- 28 Printed Circuit Board ---------------------------------------------------------------------------------- 29 Exploded View ------------------------------------------------------------------------------------------- 31 Parts List--------------------------------------------------------------------------------------------------- 32 Schematic Diagrams----------------------------------------------------------------------------------- 35

— 1 —

DENMARK:

SAFETY NOTICE

CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.

ADVARSE! Lithiumbatteri. Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type. Lever det brugte batteri tilbage tili leverandoren.

FINLAND:

SWEDEN:

VAROITUS Paristo voiäjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan valmistajan suosittelemaan tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden mukaisesti.

VARNING Felaktigt batteribyte kan medf fara för explosion. Använd därför endast samma typ eller likvärdig typ enligt apparattillverkarens rekommendation. Kassera förbrukade batterier enligt tillverkarens anvisning.

— 2 —

SPECIFICATIONS

GENERAL

Keyboard: 61 standard-size keys, 5 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: 110 (100 + 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: 100 (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 4,900 notes Punch in: Supported

Pattern sequencer

Number of patterns: 10 (Rhythm numbers 100 to 109) Memory capacity: Approximately 7,000 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: 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) Headphones/Output: Stereo standard jack

Output Impedance: 250 Ω

Output Voltage: 5 V (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 3 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: 109.2 × 42.7 × 15.7 cm (43 1/16 × 16 13/16 × 6 3/16 inch) Weight (without batteries): Approximately 9.2 kg (20.3 lbs) Standard accessories: Music Stand; Pattern Conversion Disk; Data Disk; Disk User’s Guide;

Keyboard User’s Guide

ELECTRICAL

Current drain with 12 V DC:

No sound output 440 mA ± 20 % Maximum volume 2000 mA ± 20 %

with 10 keys from C3 to E4 pressed in whistle tone Volume: MAX., Velocity: MAX. DSP0: Reverb1, FDD: Replay

Phone output level (Vrms with 8 Ω load each channel):

with tone Synth-Bass 4 tone L-ch (Key C4) 100 mV ± 20 % Volume: MAX., Velocity: MAX. R-ch (Key F3) 92 mV ± 20 % DSP0: Reverb1

Speaker output level (Vrms with 8 Ω load each channel):

with tone Synth-Bass 4 tone L-ch (Key D3) 7.1 mV ± 20 % Volume: MAX., Velocity: MAX. R-ch (Key F3) 6.2 mV ± 20 % DSP0: Reverb1

Output level (Vrms with 47 kΩ load each channel):

with tone Synth-Bass 4 tone L-ch (Key C4) 3200 mV ± 20 % Volume: MAX., Velocity: MAX. R-ch (Key F3) 3100 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.

Res

• Press YES 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 (making 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.

et?

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 manufacturers.

— 5 —

BLOCK DIAGRAM

ROM1

MSM27C802CZ-465

LSI2 (8Mbit)

MSM23C3210MC

-12CA89 LSI3 (32Mbit)

RA0 ~ RA20

RD0 ~ RD15

Working

RAM

TC55257

GFL-70L

LSI5

(256Kbit)

ROM2

EA0 ~ EA14

ED0 ~ ED8

ECEB, EOEB EWEB

Key Board

SI0 ~ SI7 FI0 ~ FI7

KC0

KC7

Key Controller

TC190C020AF-001

LSI10

RD, HWR,

LWR

DSP

HG51B155FD

LSI4

WOK1

SOLP

BOK

D/A Converter

µPD6376GS

LSI1

RESB

A1 ~ A4

D0 ~ D15

RESB

A0 ~ A3

D8 ~ D15 RESET

RD, HWR

MIDI

LCD Driver

OUT

SED1278F2A

PBO

HD6473042F16-465

RAM1

TC551001BFL-70L

LSI7 (1Mbit)

SEG1 ~ SEG40

LSI501

COM1 ~ COM16

DB4

~DB7

CONT,

LEDCK, LEDCL

LRS,

LR/W

CPU

LSDT SWCK

LSI9

NMI

1RD, 1HWR, 1LWR

A0 ~ A15

D0 ~ D15

VBR VBR

D15

RAM2

TC551001BFL-70L

LSI8 (1Mbit)

LWR, RD S1 HWR, RD

LCD

Back Light

S-Register

TC74HC164

LEDA ~ LEDF

IC301

S-Register

TC74HC164

KC0 ~ KC8

IC302

KI0 ~ KI7

TEND, DREQ, CS2, CS3, B1-5

Chip Selector

TC74HC08

IC4

LWR

HWR RD

RD, HWR,

Back Light Driver

NT-07

Q501, Q502

LEDs

Buttons

VDD

D15

FDD Controller

HD63266F

Out put

LPF

(L)

LPF

(R)

Main

Volume

Power Amp.

LA4620

IC201

(L) (R)

Speakers

Reset IC

RN5VD40A

— 6 —

IC3

IC1

Power Supply Circuit

Q205,

Q206

IC204, Q203 Q204, Q208, Q210

LSI6

RESET

AVDDDVDDFVDDCVDDVCCVDDVC

VDD

VBR

Back up

Power

3.5" FDD Unit

DF354HO64A

CR2032

APO

CIRCUIT DESCRIPTION

KEY MATRIX

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7

FI0 C2 1 C#2 1 D2 1 D#2 1 E2 1 F2 1 F#2 1 G2 1 SI0 C2 2 C#2 2 D2 2 D#2 2 E2 2 F2 2 F#2 2 G2 2 FI1 G#2 1 A2 1 A#2 1 B2 1 C3 1 C#3 1 D3 1 D#3 1 SI1 G#2 2 A2 2 A#2 2 B2 2 C3 2 C#3 2 D3 2 D#3 2 FI2 E3 1 F3 1 F#3 1 G3 1 G#3 1 A3 1 A#3 1 B3 1 SI2 E3 2 F3 2 F#3 2 G3 2 G#3 2 A3 2 A#3 2 B3 2 FI3 C4 1 C#4 1 D4 1 D#4 1 E4 1 F4 1 F#4 1 G4 1 SI3 C4 2 C#4 2 D4 2 D#4 2 E4 2 F4 2 F#4 2 G4 2 FI4 G#4 1 A4 1 A#4 1 B4 1 C5 1 C#5 1 D5 1 D#5 1 SI4 G#4 2 A4 2 A#4 2 B4 2 C5 2 C#5 2 D5 2 D#5 2 FI5 E5 1 F5 1 F#5 1 G5 1 G#5 1 A5 1 A#5 1 B5 1 SI5 E5 2 F5 2 F#5 2 G5 2 G#5 2 A5 2 A#5 2 B5 2 FI6 C6 1 C#6 1 D6 1 D#6 1 E6 1 F6 1 F#6 1 G6 1 SI6 C6 2 C#6 2 D6 2 D#6 2 E6 2 F6 2 F#6 2 G6 2 FI7 G#6 1 A6 1 A#6 1 B6 1 C7 1 SI7 G#6 2 A6 2 A#6 2 B6 2 C7 2

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

Key

Second contact 2

First contact 1

NOMENCLATURE OF KEYS

C#2

C2 D2E2F2G2A2 B2 C3 D3

F#2D#2

C#3A#2G#2

F#3 G#3

D#3

F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5

A#3 C#4 D#4

F#4 G#4

A#4

C#5

D#5

F#5 G#5

A#5

G#6F#6D#6

C#6

A#6

B6A6G6F6E6D6

— 7 —

BUTTON MATRIX

KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7

KC0 MODE INTRO CH8 A CH16 SPLIT

KC1 RECORD CH1 CH9 B E 2

KC2 SONG CH2 CH10 C H RHYTHM 5

KC3 PATTERN CH3 CH11 D ENTER TONE 8

KC4 DSP CH4 CH12 E DISK 0

KC5 CH5 CH13 STORE 1 3

KC6 CH6 CH14 G 4 6

KC7 BANK CH7 CH15 F SYNTH 7 9

DMSW DEMO

CON-

TRAST

FREE

SESSION

ONE TOUCH

PRESET

NORMAL/

FILL-IN

V ARIATION/

FILL-IN

SYNCHRO/

ENDING ST AR T/

STOP

TEMPO

MIXER

SELECT

LA YER/

AUTO HARMO

TOUCH

RESPONSE

TRANS-

POSE

H/NO

—

G/YES

LED MATRIX

LED-A

FULL RANGE

CHORD

LED-B

FINGERD

LED-C

CASIO CHORD

LED-D

FREE

SESSION

LED-E

SYNTH

LED-F

DISK

— 8 —

MEMORY DEVICES

Each memory device has the following data.

CPU

Internal Memory

ROM

512 kbit

RAM

16 kbit

LSI9

DSP

LSI4

Working RAM

256 kbit

LSI5

RAM1

1 Mbit

LSI7

RAM2

1 Mbit

LSI8

ROM1

8 Mbit

LSI2

ROM2

32 Mbit

LSI3

1 RAM1 :

S-RAM for operation program, Register, Pattern, Song and SMF data from FDD. (Lower part of data bus)

2 RAM2 :

S-RAM for operation program, Register, Pattern, Song and SMF data from FDD. (Upper part of data bus)

3 Internal ROM of CPU :

Main program data for system operation

4 Internal RAM of CPU :

Work area for system operation

5 ROM1 :

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

6 ROM2 :

Sound Waveforms/Tone data Digital sound effect

7 Working RAM :

Work area for DSP

RESET CIRCUIT

VDD

From power switch

Battery set

RESET

PWSW

VDD

RES

CPU

HD6473042F16-465

LSI9

NMI

PB0

PA7

RESET

APO

FDD Controller

HD63266F

LSI6

RESET

PW/SW ON

RESET

APO DVDD

(5V)

Power Supply

Circuit

DVDD

HG51B155FD

Key Controller

TC190C020AF-001

DVDD

DVDD DSP LSI4

RESB

DVDD

RESB

LSI10

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.

— 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.

PW/ON

NMI

From Batteries or AC Adaptor

+9V ~ +12 V

Switching

Transistors

APO

(To back light)

LC Filter

HD6473042F16-465

APO

PA7

LC Filter

CPU

LSI9

NMI

PW/SW

(To LCD) (To FDD) (To digital) (To analog)

Regulator IC

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.

— 10 —

DSP and DAC CIRCUIT

The DSP (Digital Signal Processor) and DAC (Digital Analog Converter) consists of the following circuits.

ROM1

MSM27CB02CZ-465

MX23C3210MC-12CA89

LSI2 (8Mbit)

CE A0 ~ A18 Q0 ~ Q15 CE A0 ~ A20 Q0 ~ Q15

RA23

RA0 ~

RA22

RA18

ROM2

LSI3 (32Mbit)

RA0 ~ RA20

RD0 ~ RD15

RA0 ~ RA20

DSP

HG51B155FD

LSI4

ED0 ~ ED15

D0 ~ D15

LSI5

key data

D8 ~ D15

24.576 MHz

Control data

Working RAM (256K-bit)

TC55257DFL-70L

EA0 ~ EA14

A0 ~ A14

SOLP: Sound data BOK: Bit clock WOK1: Word clock

DAC

SOLP

BOK

WOK1

CLK

LRCK

UPD6376GS

ROUT

LOUT

CPU

HD6473042F16-465

LSI9

— 11 —

D0 ~ D15

key data

Key Controller

TC190C020AF-001

LSI10

KC0 ~ KC7

SI0 ~ SI7 FI0 ~ FI7

Key board

FDD UNIT (DF354H064A)

FDD Specifications:

1 Memory Capacity (under un-format) : 1.6 MByte 2 Density of track : 5.33 track/mm (135 TPI) 3 Number of track : 77 track/side 4 Number of head : 2 5 Rate of data transfer : 500 kbps 6 Access time (between two tracks) : 3 m seconds 7 Compensation of writing data : 125 n second (all tracks) 8 Rotation speed : 360 Min-1 (rpm) ± 1.5 %

FDD Interface:

Host system Drive

CN2 connector

Drive Select 1 12

Density Select4

Index8

Motor ON 16 Direction 18 Step 20 Write Data 22 Write Gate 24

Side 1 Select 32

DC.GND

+5 V

N.C 4

System Frame GND.

Track 0026

Write Protect28

Read Data30

Disk Change34

GND Pin Numbers of CN2: 1, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33

Non connected Pin Numbers of CN2: 2, 6, 10, 14 (Pin #3 is removed to prevent erroneous insertion)

CN1 connector

+5 V Return2 +5 V Return3

0 Ω

Signal GND

— 12 —

Drive Frame GND.

LCD BACKLIGHT

Q501

23 32

NT-07

10 1

HMBV26BG1W63N/AZG

DE0405-979SL180J2K

C502

CFL1

(Bottom View)

T501

2 3

R501

C501

Q502

4.7K

LHL08TB101K

2SD965R 2SD965R

C104M

L501

When voltage CVDD is supplied, transistors Q501 and Q502 start oscillation. From the oscillation voltage, transformer T501 generates about 600 V which is necessary for lighting the backlight.

C516

CP14

C104FA

CVDD

— 13 —

CPU (LSI9: HD6473042F16-465)

The 16 bit CPU contains a 512K-bit ROM, a 16K-bit RAM, eleven 8-bit I/O ports, an A/D converter and serial interfaces. The CPU accesses to the RAM1, RAM2, DSP, Key controller, FDD controller and LCD driver LSI. The CPU also controls buttons, LEDs, bender input and MIDI input/output.

Pin No. Terminal In/Out Function

1 VCC In VCC (5 V) source.

2 ~ 5 PB0 ~ PB3 Out Data bus for LCD driver.

6 PB4 Out Chip enable signal for LCD driver. 7 PB5 Out Read/write signal for LCD driver. 8 DREQ0 — DMA (Direct Memory Access) request.

9 PB7 Out Register selection signal for LCD driver. 10 RES0 In Not used. 11 VSS In Ground terminal (0 V). 12 TXD0 Out MIDI signal output.

13, 15 ~ 17 P91, P93~P95 In Key input signal from buttons.

14 RXD0 In MIDI signal input.

18 ~ 21 23 ~ 34

D0 ~ D15 In/Out Data bus.

22 VSS In Ground terminal (0 V). 35 VCC In Vcc (5 V) source.

36 ~ 43,

45 ~ 56

A0 ~ A19 Out Address bus.

44, 57 VSS In Ground terminal (0 V).

55, 59, 60 P52, P61, P62 In Key input signal from buttons.

58 WAIT — Not used. 61 CLKOUT Out Clock signal (16 MHz). 62 STBY — Not used. 63 RES In Reset signal at VDD (5 V) supplied. 64 NMI In Power ON signal input. 65 VSS In Ground terminal (0 V).

66, 67 EXTAL, XTAL In Clock (16 MHz) input.

68 VCC In Vcc (5 V) source. 69 AS — Not used. 70 RD Out Read signal. 71 HWR Out Write signal for upper data bus. 72 LWR Out Write signal for lower data bus.

73 ~ 75 MD0 ~ MD2 In Mode selection terminals.

76, 77 AVCC, VREF In Power source and reference voltage for internal A/D, D/A.

78 AN0 In Battery voltage detection (Not used). 79 AN1 In Pitch bender voltage detection.

— 14 —

Pin No. Terminal In/Out Function

80 P72 In AC adaptor detection terminal. 81 P73 In Modulation signal input. 82 P74 In Pedal signal input. 83 P75 In FD sheet type (2HD, 2DD) signal input. 84 P76 In Key input signal from buttons. 85 DA1 Out LCD contrast control voltage output. 86 AVSS In Ground terminal (0 V). 87 PB0 Out Reset signal for DSP, Key controller, FDD controller. 88 CS3 Out Chip select signal for FDD. 89 CS2 Out Acknowledge signal FDD DMA function. 90 CS1 Out Chip select signal for Key controller. 91 CS0 Out Chip select signal for DSP. 92 VSS In Ground terminal (0 V). 93 TEND Out End signal for data transfer of FDD. 94 PA1 Out Change signal for data transfer speed of FDD. 95 PA2 Out Key input signal for DEMO button. 96 PA3 Out Clock signal for shift register of KC signal. 97 PA4 Out Clear signal for shift register of LED. 98 PA5 Out Control signal for KC signal and LED. 99 PA6 Out Clock signal for shift register of LED.

100 PA7 Out APO (Auto Power Off) signal.

— 15 —

DIGITAL SIGNAL PROCESSOR (LSI4:HG51A115A01FD)

Upon receipt of note numbers and their velocities, the DSP (Digital Signal Processor) reads sound and velocity data from the sound source ROM in accordance with the selected tone; the DSP can read rhythm data simultaneously when a rythm pattern is selected. Then it provides 16-bit serial signals containing data of the melody , chord, bass, and percussion to the DAC. The DSP also adds the selected effect to the sound data using a 256k-bit RAM. The following table shows the pin functions of the DSP.

Pin No. Terminal In/Out Function

1 ~ 8 CD0 ~ CD7 In/Out Data bus 9, 10 Not used.

11 GND7 In Ground (0 V) source 12 CK16 Out 24.576 MHz clock output 13 VCC6 In +5 V source 14 CK0 In Clock input. Connected to terminal CK16. 15 TCKB Not used. 16 VCC1 In +5 V source 17 GND1 In Ground (0 V) source

18, 19 XT0, XT1 In/Out

24.576 MHz clock input/output. Connected to a crystal oscillator. 20 SGL In System control terminal. Single chip system: Open 21 CCSB In Chip select signal input

22 ~ 25 CA0 ~ CA3 In Address bus

26 CE0 In Not used. Connected to ground. 27 CWRB In Write enable signal 28 CRDB In Read enable signal

29 ~ 32 Not used.

33 RESB In Reset signal input 34 TESB In Not used. Connected to +5 V

35 ~ 39 Not used. 40 ~ 49

52 ~ 57

RD0 ~ RD15 In Data bus for the ROM1 and ROM2

58 RA23 Out Chip select signal for the ROM1 59 RA22 Out Chip select signal for the ROM2 60 RA21 Out Not used.

61 ~ 73 75 ~ 82

RA0 ~ RA20 Out Address bus for the ROM1 and ROM2

74 GND5 In Ground (0 V) source 83 WOK2 Out Word clock output. Not used. 84 VCC3 In +5 V source 85 GND3 In Ground (0 V) source 86 WOK1 Out Word clock for the DAC 87 SOLM Out Serial data output. Not used. 88 SOLP Out Serial data output for the DAC 89 BOK Out Bit clock output for the DAC

— 16 —

Pin No. Terminal In/Out Function

90 ~ 92 Not used.

93 VCC In +5 V source

94, 95 97 ~ 105 107, 109

EA0 ~ EA14 Out Address bus for the working RAM

110, 112

96 EWEB Out Write enable signal output for the working RAM 106 EOEB Out Read enable signal output for the working RAM 108 VCC7 In +5 V source 111 ECEB Out Chip select signal output for the working RAM

113 ~ 117 Not used.

118 VCC4 In +5 V source 119 GND4 In Ground (0 V) source

120 ~ 122 Not used. 123 ~ 130 ED0 ~ ED7 In/Out Data bus for the working RAM

131 GND5 In Ground (0 V) source

132 ~ 134 Not used. Connected to ground.

135, 136 Not used.

FDD CONTROLLER (LSI6:HD63266F)

The FDD (Floppy Disk Drive) controller can control the FDD unit. The controller contains not only analog VFO (Variable Frequency Oscillator) circuit but also driver/receiver, input/output port and oscillation circuit internally.

Pin No. Terminal In/Out Function

1 8/ - 5 In Change of data transfer speed. 2 XTALSEL — Not used. Connected to ground (0 V). 3 RESET In Reset signal input. 4 E, -RD In Read signal. 5 R/-W, -WR In Write signal. 6 CS In Chip select signal. 7 DACK In Acknowledge signal of DMA (Direct Memory Access).

8, 9 RS0, RS1 In Register selection for read/write.

10, 11 VSS1, VSS2 In Ground terminal (0 V).

12 ~ 19 D0 ~ D7 In/Out Data bus.

20 DREQ In Request signalof DMA.

21 IRQ — Not used.

22 DEND In End signal for data transfer.

23 VSS3 In Ground terminal (0 V).

24 1/2 EX1 — Not used.

25 VCC1 In DVDD (5 V) source.

26, 27, 28

NUM1, NUM2

IFS

—

Not used. Connected to ground (0 V).

29 SFORM In Selection signal for formatting.

— 17 —

Pin No. Terminal In/Out Function

30 INP In Disk detection signal.

31 READY In Ready signal from FDD. (Connected to ground (0V).)

32 WPRT In Write protect signal from FDD.

33 TRKO In Track0 signal from FDD.

34 INDEX In Index signal from FDD.

35 RDATA In Read data signal from FDD.

36, 37, 38

XTAL2, EXTAL2

NC, XTAL1

—

Not used.

40 EXTAL1 In Clock signal input from CPU (16 MHz).

41, 42 VSS4, VSS5 In Ground terminal (0 V).

43 NC — Not used.

44 ~ 46

VCC2, VCC3,

VCC4

DVDD (5 V) source.

47 WGATE Out Write gate signal to FDD.

48 WDATA Out Write data signal to FDD.

49 VSS6 In Ground terminal (0 V).

50 STEP Out Step signal for FDD head.

51 HDIR Out Head direction signal for FDD.

52 HLOAD Out Not used.

53 HSEL Out Head selection signal for FDD.

54 VSS7 In Ground terminal (0 V).

55 DS0 Out Drive selection signal.

56, 57, 58

DS1, DS2, DS3

— Not used. 59 VSS8 In Ground terminal (0 V). 60 MON0 Out Motor ON signal for FDD.

61, 62, 63

MON1, MON2,

MON3

—

Not used.

64 VSS9 In Ground terminal (0 V).

— 18 —

KEY TOUCH LSI (LSI10: TC190C020AF-001)

By counting the time between first-key input signal FI and second-key SI from the keyboard unit, the key touch LSI detects key velocity of 256-step. Then the LSI sends the CPU the note number and its velocity data.

Pin No. Terminal In/Out Function

1 WRB In Write signal from CPU.

2 ~ 11, 13,

14, 16 ~ 19

D0 ~ D15 In/Out Data bus.

12 VSS In Ground terminal (0 V). 15 VDD In VDD (5 V) source.

20 ~ 23 CA0 ~ CA3 In Address bus.

24 VSS In Ground terminal (0 V).

25 ~ 32, FI0 ~ FI4,

34, 35 SI0 ~ SI4

In Key input signal.

33 VDD In VDD (5 V) source.

36 ~ 38,

40 ~ 44

KC0 ~ KC7 Out Key scan signal.

39 VSS In Ground terminal (0 V). 45 VDD In VDD (5 V) source.

46 ~ 51

FI5 ~ FI7

SI5 ~ SI7

In Key input signal.

52 VSS In Ground terminal (0 V).

53 ~ 58,

60 ~ 62

FI8 ~ FI10

SI8 ~ SI10 In Key input signal (Not used).

KI0 ~ KI2

59 VDD In VDD (5 V) source.

63, 64

MODE0, MODE1

— Not used. 65 VSS In Ground terminal (0 V). 66 KCKI In Clock signal for key common/input.

67 ~ 72,

74 ~ 77

— Not used. 73 VDD In VDD (5 V) source.

78 RESB In Reset signal from CPU. 79 CSB In Chip selection signal. 80 RDB In Read signal from CPU.

— 19 —

LCD DRIVER (LSI501: SED1278F2A)

The LCD driver can drive a dot matrix LCD having 40 segment and 16 common lines. The LSI contains 240 graphic symbols in the built-in character generator ROM, and stores 80 characters in the built-in display data RAM. In accordance with command from the CPU, the LSI is capable of displaying up to 16 characters simultaneously. The following table shows the pin functions of LSI 501.

Pin No. Terminal In/Out Function

1 ~ 22,

63 ~ 80

SEG1 ~ SEG40

Out Segment signal output

23 VSS — GND (0 V) source

24, 25 OSC1, OSC2 In/Out

Terminals for the built-in clock pulse generator. The external resistor connected determines the oscillation frequency.

LCD drive voltage input.

26 ~ 30 V1 ~ V5 In Those voltages are used for generating the stepped pulse of the

LCD drive signals.

31, 32 LP, XSCL — Not used

33 VDD In LVDD (+5 V) source

34, 35 FR, DO — Not used

36 RS In Data/command determination terminal.High: data, Low: command 37 R/W In Read/write terminal. High: read, Low: write

Chip enable signal.

38 E In High: enable, the writing is done at fall edge.

Low: disenable 39 ~ 42 DB0 ~ DB3 — Not used. Connected to GND (0 V) 43 ~ 46 DB4 ~ DB7 In/Out Data bus 47 ~ 62

COM1 ~ COM16

Out Common signal/output

REGULATOR IC (IC204: BA9700A)

The regulator IC controls the output voltage by PWM (Pulse Wide Modulation) with outer switching transistors and LC filters (integration circuit).

NON

INVERT

Error Amp

D-TIME

CONT

INP

+–

1/2Vret

Triangle

Oscillator

INVERT

INP

RT CT FEED

30k

PWM

Comparator

Vret

BACK

POWER

Vret

OUT NC GND

NC VCC

Voltage

Regulator

— 20 —

DAC (LSI1: UPD6376GS)

UPD6376GS is a two-channel 16-bit Digital to Analog Convertor consisting of resistor string, output amplifier and zero offset circuit. The DAC receives 16-bit serial data output from the DSP. The data contains digital sound data of the melody, chord, bass, and percussion for the right and left channels. The DAC converts the data into analog waveforms by each channel and output them separately.

Pin No. Terminal In/Out Function

1 SEL In Mode selection terminal. Connected to ground. 2 D.GND In Ground (0 V) source for internal digital circuit 3 NC Not used. 4 DVDD In +5 V source for internal digital circuit 5 A.GND In Ground (0 V) source for internal analog circuit 6 R.OUT Out Sound waveform output 7 A.VDD In +5 V source for internal analog circuit 8 A.VDD In +5 V source for internal analog circuit

9 R.REF In Reference voltage terminal. Connected to a capacitor. 10 L.REF In Reference voltage terminal. Connected to a capacitor. 11 L.OUT Out Left channel sound waveform output 12 A.GND In Ground (0 V) source for internal analog circuit 13 LRCK In Word clock (L/R separation signal) input. 14 LRSEL In Not used. Connected to ground. 15 SI In Sound data input 16 CLK In Bit clock input

POWER AMPLIFIER (IC301: LA4620)

The power amplifier is a two-channel amplifier with standby switch.

IN11+ IN11–

IN12–

PriGND

IN21+

IN21–

IN22–

3 5

9 7

Input Amp.

–

Input Amp.

Terminal Protection Circuit

Input Amp.

–

Input Amp.

Pre-drive Amp.

RL Short Protector

Ripple Filter

RL Short Protector

16 2 10 11 13

NC DC MUTE ADJ

Power Amp.

VCC2

Pop Noise Prevention Circuit

21 22 23

17 15 14

Boot11

OUT11

PoGND1

OUT12

Boot12

VCC1

Boot21

OUT21

PoGND2

OUT22

Boot22

— 21 —

DIAGNOSTIC PROGRAM

■ To enter diagnostic mode

1. While pressing down “0” and “ACCOMP CHORD MODE” buttons, press “POWER” button for turning on.

2. The instrument is set in diagnostic mode and display indicates “Test”.

■ Button check

1. Press “0” button.

2. Display indicates “Console”.

3. Press buttons in the following order

) MODE button 1 RECORD button 2 SONG button 3 PATTERN button 4 INTRO button 5 NORMAL/FILL-IN

button

6 VARIATION/FILL-IN

button

7 SYNCHRO/ENDING

button

8 START/STOP button 9 TEMPO button down 0 TEMPO button up A BANK button B REGISTRATION

buttons A

C REGISTRA TION

buttons B

D REGISTRATION

buttons C

POWER MODE

RECORD

1 2 3

NORMAL/

INTRO

FILL-IN

5 6 7 8 9 0 A B C D E F G s

FULL RANGE CHORD

FINGERED

CASIO CHORD

)

SEQUENCER

SONG

VARIATION/

FILL-IN

VOLUME

PATTERN

SYNCHRO/

ENDING

MAX

MIN

E REGISTRATION

buttons D

F REGISTRATION

buttons E

G STORE button H DSP (digital effect)

button

I CONTRAST button J FREE SESSION

button

K ONE TOUCH

PRESET button

L MIXER SELECT

button

M CHANNEL button

CH1

N CH2 O CH3 P CH4 Q CH5

DSP

R CH6 S CH7 T CH8 U CH9 V CH10 W CH11 X CH12 Y CH13 Z CH14 [ CH15 \ CH16 ] SPLIT button _ LAYER/AUTO

HARMONIZE button

a RHYTHM button b TONE button c Number key 7 d Number key 4 e Number key 1 f Number key 0

CONTRAST

FREE

SESSION

ONE TOUCH

PRESET

EXTERNAL CH1

L M N O P Q R S T U V W X Y Z [ \

INTERNAL

MIXER SELECT TONE EXPANDER ACCOMP SEQUENCER TRACK

TEMPO

START/

STOP

UPPER1

CH2

CH3

CH4

UPPER2

LOWER1

LOWER2

BANK A B C D E STORE

CH5

ACC VOL.

16 CHANNEL MIXER

CH6

CHORD1

CHORD2

CH7

CH8

CHORD3

REGISTRATION

CH9

CH10

BASS

RHYTHN

g Number key – h Number key 2 i Number key 5 j Number key 8 k Number key 9 l Number key 6 m Number key 3 n Number key + o Cursor key Up p Cursor key Left q Cursor key Down r Cursor key Right s ENTER button t DISK button u TOUCH RESPONSE

button

v TRANSPOSE/

TUNING/MIDI button

w SYNTH button x DEMO button

TONE

RHYTHM

LAYER/

AUTO HARMONIZE

SPLIT

]

CH11

CH12

CH13

CH14

CH15

TR1

TR2

TR3

TR4

TR5

CH16

TR6

c j k

d i l

e h m

/NO /YES

f g n

DELETE

CURSOR

p r

DEMO

SYNTH

TRANSPOSE/

TUNE/MIDI

TOUCH

RESPONSE

DISK

ENTER

Display shows the button number to be pressed. When the pressed button functions properly, the instrument emits a verification signal and indicates next button number. If the button malfunctions, an error alarm sounds and display indicates “Cons ER”. When wrong button is pressed, the alarm sound is also emitted. In that case, re-press the correct button.

— 22 —

■ Bender check

1. While pitch bender is left untouched, press “–” button.

2. Display indicates “Bender”.

3. If the bender’s center point is adjusted correctly, the instrument emits verification sound. If the center point is improper, an error alarm sounds and display indicates “Bend ER” and the instrument exits from the diagnostic program.

4. Rotate the bender all the way to the upper position. When the program detects upper most position, it emits verification sound. If wrong direction (toward lower position ) of bender rotation is detected, the instrument exits from the diagnostic program after emitting an alarm sound and displaying “Bend ER”.

5. Reset the bender on the center position. A verification tone sounds.

6. Rotate the bender all the way to the lower position. When the program detects lower most position, it emits verification sound. If wrong direction (toward upper position) is detected, the instrument exits from the diagnostic program after emitting an alarm sound and displaying “Bender ER”.

7. Reset the bender on the center position. The instrument exits from diagnostic program after emitting a verification sound and displaying “Bend OK”. (During and after the check, display indicates bender values until another button is pressed.)

■ AC adaptor detection check.

1. Press “+” button.

2. When the instrument detects that an AC adaptor is plugged in, it indicates “Jack OK” on the display. If it judges that no AC adaptor is inserted (powered by batteries), it indicates “Jack ER” on the display.

■ Keyboard, Sustain pedal, and Modulation switch check

1. Press “1” button.

2. Display indicates “TouchSus”. In accordance with key , sustain pedal, or module switch depressions, display indicates velocity value (hexadecimal values 01 to 7F), “SUS”, or “Mod”.

■ ROM check

1. Press “2” button.

2. The diagnostic program counts check sums of 8Mbit and 16Mbit ROMs.

3. In accordance with ROMs functions, display indicates; “ROM OKOK” --------------Both ROMs function normally

“ROM OKER” -------------- 8Mbit ROM OK, 16Mbit ROM NG “ROM EROK” -------------- 8Mbit ROM NG, 16Mbit ROM OK “ROM ERER” --------------Both ROMs are NG

— 23 —

■ RAM check

1. Press “3” button.

2. The program executes write/read test in all the RAM area.

3. When the RAM is proper, display indicates “RAM OK”. If the RAM malfunctions, “RAM NG” is shown on the display.

4. When the RAM check is executed, other tests become unavailable.

5. Pressing any key performs “Bender reset” transaction described below.

■ Small sound output

1. Press “4” button.

2. The instrument emits a sound in small volume and indicates “MIN” on the display.

■ Medium sound output

1. Press “5” button.

2. The instrument emits a medium volume sound and indicates “MID” on the display.

■ Large sound output

1. Press “6” button.

2. The instrument emits a large volume sound and indicates “MAX” on the display.

■ Large sound left channel output

1. Press “7” button.

2. The instrument emits a large volume sound from the left speaker and indicates “L” on the display.

■ Large sound right channel output

1. Press “8” button.

2. The instrument emits a large volume sound from the right channel and indicates “R” on the display.

■ MIDI IN/OUT test

1. Connect MIDI IN and MIDI OUT terminals with a MIDI cable.

2. Press “9” button.

3. When the MIDI circuit is normal, display indicates “MIDI OK” whereas “MIDI ER” will be shown if the MIDI circuit is abnormal.

— 24 —

■ LCD test

1. Press “CURSOR ←” button.

2. Display indicates “LCD OK”.

3. Each pressing of “CURSOR ←” button, displays following patterns in the following order with verification sound.

a. Checker on 8 character block : pattern A b. Checker on 8 character block : pattern B c. Checker on pixel block : pattern A d. Checker on pixel block : pattern B e. All dots indication f. Displays each pixel (or dot) block in turn + all dots indication g. Displays each dot in turn + all dots indication

■ LED test

1. Press “CURSOR →” button.

2. Display indicates “LED Test” and LEDs illuminate in the following order with verification sound. a. FULL RANGE CHORD

b. FINGERED c. CASIO CHORD d. SONG e. PATTERN f. FREE SESSION g. SYNTH h. DISK

■ FDD test

1. Press “DISK” button.

2. Display indicates “Disk0-9E” (which means numeral key 0 to 9 and ENTER button.) This test executes floppy disk’s write/read test and entering a number selects sectors to be tested. Larger the number, narrower the check area namely, entering 0 checks all the sectors of the disk.

3. Press “ENTER” button to clean the FDD with cleaning disk. Wet type cleaning disk is recommended.

■ To exit from the diagnostic program

Pressing “CURSOR ↓” button sets the instrument in Reset power off state. If you wish to use the instrument continually after this diagnostic program, perform “System reset” de-

scribed below.

— 25 —

■ Bender reset

Sets bender’s center point in initial value.

1. While pressing down “ENTER” and “ACCOMP CHORD MODE” buttons, turn the power on.

2. Display shows “BndReset” indicating that pitch bender’s center point is initialized.

3. Perform the “System reset” described below.

■ System reset

1. While pressing down “ENTER” button, turn power on.

2. Display indicates “Reset?”.

3. Pressing “+” button initializes the instrument. Pressing “–” button invalidates system reset.

4. The instrument turns on automatically.

■ Touch off max

1. While pressing down “RHYTHM” and “ACCOMP CHORD MODE” buttons, turn the power on.

2. Display indicates “TouchMax”.

3. The instrument is set in touch off max mode. In this state, sound volume in touch response off mode becomes maximum.

— 26 —

FDD ERROR MESSAGE

Error Message Reason of Error

Rea

For

Dis

dO n l

mat

kR/W

kFu ll

Mem

Not No

SSM F0

Disk

Full

The file being written to is read-only.

The disk format is not one supported by this keyboard.

Error occurred during reading from the disk.

Disk is full.

Not enough memory to perform the process. No memory is available to load data.

An attempt was made to play data that is not SMF FORMAT 0.

An attempt was made to access a disk while no disk is loaded in the drive.

Pro

Con

Wro

File

te c t

vert

Dat

There is no file that corresponds to the file that was specified.

A save or delete operation was attempted with a disk that is write protected.

The attempted file conversion was not successful.

Something is wrong with the data you are trying to load.

— 27 —

MAJOR WAVEFORMES

1 Clock signal for CPU

Check point CP1

2 Clock signal for DSP

Check point CP2

5 NMI signal

LSI9 pin 64

6 Reset signal RESB

LSI9 pin 87

3 Voltage VDD

IC3 pin 2

4 Reset signal RES

IC3 pin 1

7 Sound signal L-OUT

JC connector pin 10

8 Sound signal L-VOL0OUT

JG connector pin 5 Tone: Clarinet, Volume: Max.

Touch speed: Max., Key: A4

9 Key common signal KC0

JB connector pin 1

0 Key common signal KC1

JB connector pin 2

A Read signal for RAM1

LSI7 pin 24

B Write signal for RAM1

LSI7 pin 29

— 28 —

Main PCB JCM465-MA1M

PRINTED CIRCUIT BOARD

Top View

6 5

Bottom View

— 29 —

29 10

Sub PCB JCM465-MA2M

Top View

— 30 —

R-1

R-3

BT1

R-4

R-2

EXPLODED VIEW

— 31 —

PARTS LIST

Item Code No. Parts Name Specification Q R

MA1M PCB

1 6926 8930 PCB/ASSY (MA1M) M240837*1 1 A LSI1 2114 4221 LSI UPD6376GS-E1 1 A LSI2 2012 6135 LSI MX23C8100MC-12CA99 1 A

(LSI2) (2012 6062) (LSI) (MSM27C802CZ-465) (1) (A)

LSI3 2012 6064 LSI MX23C3210MC-12CA89 1 A LSI4 2011 7434 LSI HG51B155FD 1 A LSI5 2012 5572 LSI TC55257DFL-70L(EL) 1 A LSI6 2010 9990 LSI HD63266F 1 A

LSI7/LSI8 2012 5947 LSI TC551001BFL-70L(EL) 2 A

LSI9 2012 6132 LSI HD6433042SB51F 1 A

(LSI9) (2012 6060) (LSI) (HD6473042F16-465) (1) (A) LSI10 2012 5987 LSI TC190C020AF-001 1 A

IC1 2105 1561 IC/CMOS TC7S04F(TE85R) 1 B IC2 2105 6355 IC/CMOS TC7S00F(TE85R) 1 B IC3 2012 1883 IC/MOS RN5VD40AA-TR 1 B IC4 2105 4935 IC/CMOS TC74VHC08F(TP1) 1 B

Q1,Q3,Q4 2252 1169 TRANSISTOR/CHIP 2SC4081-T106S 1 B

Q2 2250 1169 TRANSISTOR/CHIP 2SA1576A-T106S 1 B

D1,D3,D4 2390 1820 DIODE/CHIP 1SS355TE-17 3 C

D2 2360 3057 DIODE/ZENER/CHIP UDZTE-173.3B 1 C X1 2590 2748 OSCILLATOR/CERAMIC CSA16.00-MXZ243 1 C X2 2590 2107 OSCILLATOR/CRYSTAL HC-49S24A 1 C

BT1 3815 0707 BATTERY/LITHIUM CR2032-1HM 1 A

MA2M PCB

2 6926 8990 PCB/ASSY (MA2M) M140750*1 1 B

IC201 2114 1883 IC/MONOLITHIC LA4620 1 B IC204 2113 0084 IC/MONOLITHIC BA9700A 1 B

IC202,205 2114 1799 IC/MONOLITHIC M5218APR 2 B

IC203 2114 1421 IC/PHOTO COUPLER PC900V 1 B

Q205 2251 0672 TRANSISTOR 2SB1548-P.CS 1 B

Q204,206,209 2252 0154 TRANSISTOR 2SC1740SS-TP-T 3 B

Q208 2252 1253 TRANSISTOR 2SB1566F 1 B

Q203,210 2250 0133 TRANSISTOR 2SA933SS-TP-T 2 B

D201,204~207, 2390 1344 DIODE 1SS133T-77-T 6 C

210

D208 2360 1085 DIODE/ZENER HZS6B1LTD-T 1 C

D202,203,209 2390 1463 DIODE/SHOTTKY SB20-03B 3 C

J201 3501 5012 JACK/DC HEC2305-01-920 1 C J202 3612 0665 JACK YKB21-5006 1 C J203 3612 0789 JACK YKB21-5010 1 C J204 3501 4816 JACK/DIN YKF51-5051 1 C

L201,203,204, 3841 2154 COIL/COMMON MODE SH-432 4 C

208

L202,205 3841 2175 COIL/COMMON MODE SH-S132 2 C

L206 3841 2177 COIL OH-022Z 1 C

BL ass'y

3 6926 9030 BL/ASSY M240682*2 1 A

4 6926 9050 PCB/ASSY (LD1M) M240838*1 1 A

5 3122 3558 CFL HMBV26BG1W63N/AZG 1 A

6 5861 3522 HOLDER/CFL HRB-0256 2 C

7 6925 9490 PLATE/BL M340602-1 1 C

LSI501 2012 6018 LSI SED1278F2A 1 A

Q501/502 2253 0710 TRANSISTOR 2SD965-R(TA) 2 B

Q503 2250 0133 TRANSISTOR 2SA933SS-TP-T 1 B

Notes: Q – Quantity per unit

R – Rank

— 32 —

Item Code No. Part Name Specification Q R

Q504 2252 0154 TRANSISTOR 2SC1740SS-TP-T 1 B

D501 2360 3056 DIODE/ZENER HZS6A2LTD-T 1 C D502 2390 1344 DIODE 1SS133T-77-T 1 C L501 3841 1197 COIL LHL08TB101K 1 C T501 3012 1470 INVERTER TRANS NT-07 1 B

CN1 ~ CN3 PCBs

8 6926 9070 PCB/ASSY (CN1M) M140751*1 1 B 9 6926 9080 PCB/ASSY (CN2M) M340815*1 1 B

10 6926 9090 PCB/ASSY (CN3M) M340816*1 1 B

IC301,302 2105 1239 IC/CMOS TC74HC164AP 2 A

LED301 2370 1383 LED TLR124(TPJ56,KT) 1 C

LED302~309 2370 1403 LED TLG124A(TPJ56) 8 C

VR301 2765 2178 VOLUME/SLIDE EWASC2C95B23 1 B

Keyboard

11 6922 2720 KEY SET/LT WHITE M312118*1 4 A 12 6922 2730 KEY SET/LT WHITE M312118*2 1 A 13 6906 8482 KEY SET/LS BLACK M140369B-3 2 A 14 6906 8592 KEY SET/LS BLACK M140369B-4 1 A 15 6926 2500 RUBBER/KEY M240699-2 4 B 16 6926 2510 RUBBER/KEY M240700-2 1 B 17 6926 9130 PCB/ASSY (KY1M) M140687*2 1 B 18 6926 9140 PCB/ASSY (KY2M) M140688*2 1 B

Bender

19 2765 1141 VOLUME RK1631110-50KB 1 B 20 6926 9450 KNOB/BENDER M340796-1 1 B 21 6926 9460 SPRING/BENDER M440654-1 1 C

Panel

22 3831 1081 SPEAKER S12J85A 2 B 23 3831 1082 SPEAKER S05JH39A 2 B 24 3335 6728 LCD LD-B10294E 1 A 25 3502 2446 CONNECTOR/24P RA-34P-900-M465 1 X 26 3502 2447 CONNECTOR/2P AMP-2P-720-M465 1 X 27 6926 2540 CONNECTOR/FOR LCD M440459-2 2 C 28 6921 5030 KNOB/SLIDE M311859-1 2 B 29 6926 9280 RUBBER/BUTTON M240800-1 1 B 30 6926 9290 RUBBER/BUTTON M240801-1 1 B 31 6926 9300 RUBBER/BUTTON M240802-1 1 B 32 6926 9310 RUBBER/BUTTON M240803-1 1 B 33 6926 9320 RUBBER/BUTTON M240804-1 1 B 34 6926 9330 RUBBER/BUTTON M240805-1 2 B 35 6926 9340 RUBBER/BUTTON M140720-1 1 B 36 6926 9350 RUBBER/BUTTON M240807-1 1 B 37 6926 9360 RUBBER/BUTTON M240808-1 1 B 38 6926 9370 RUBBER/BUTTON M340788-1 1 B 39 6925 9380 RUBBER/BUTTON M240641-1 1 B 40 6925 9410 RUBBER/BUTTON M240640-1 1 B 41 6926 9240 PLATE/DISPLAY M240813-1 1 C 42 6918 1630 COVER/BATTERY M311164*1 1 B 43 3502 2318 CONNECTOR/LITHIUM BATT. MLES-A60-T 1 C 44 1015 1399 FDD UNIT DF354H064A 1 A 45 6926 9400 PLATE/FDD M340792-1 1 X 46 6926 9410 PLATE/FDD M340793-1 1 X 47 6926 9420 RUBBER/DAMPER M440598-2 4 X 48 6926 9431 SPACER M440597A-1 4 X

Notes: Q – Quantity per unit

R – Rank

— 33 —

Item Code No. Part Name Specification Q R

Accessory

6926 9540 STAND/MUSIC M140744-1 1 C 6926 9210 DISK/FLOPPY 811FD-PRG 1 X 6926 9220 DISK/FLOPPY (Others) 811FD-SMP-1 1 X 6926 9230 DISK/FLOPPY (USA,CANADA only) 811FD-SMP-2 1 X

Notes: Q – Quantity per unit

R – Rank

— 34 —

MainPCB JCM465-MA1M

SCHEMATIC DIAGRAMS

D/A Converter

ROM1

ROM2

Working

RAM

DSP

Key Controller

To FDD Unit

FDD Controller

RAM1

Backup Power

12 11

RAM2

Reset IC

CPU

— 35 —

SubPCB JCM465-MA2M

Power Amp.

LPF (R)

LPF (L)

Power Supply

— 36 —

Regulator IC

Console PCBs JCM465-CN1M/CN2M/CN3M

S-Register

— 37 —

LCD Driver PCB JCM465-LCD1M

Voltage Regulator

CAUTION

High Voltage

LCD Driver

Back Light Circuit

— 38 —

Keyboard PCBs JCM618T-KY1M/KY2M

— 39 —

CASIO TECHNO CO.,LTD.

Overseas Service Division

8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160-0023, Japan

Casio CTK-811 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual