casio AP-65R Service Manual

AP-65R

INDEX

MAY. 2001

(without price)

AP-65R

ELECTRONIC KEYBOARD

CONTENTS

Safety Notice...................................................................................... 1

Specifications .................................................................................... 2

Block Diagram ................................................................................... 4

PCB Layout ........................................................................................ 5

Disassembly Instructions ................................................................. 6

Circuit Description ............................................................................ 9

Print Circuit Board........................................................................... 11

Troubleshooting .............................................................................. 18

Wiring Diagram ................................................................................ 20

Exploded View ................................................................................. 21

Parts List .......................................................................................... 23

Schematic Diagrams ....................................................................... 28

SAFETY NOTICE

CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same of equivalent type recommended by the appliance manufacturer.Discard used batteries according to manufacturer's instructions.

— 1 —

SPECIFICATIONS

GENERAL

Keyboard: 88 piano keys (with touch response on/off; ExLight/Light/Normal/Heavy touch) Tones: 232 (128 General MIDI, 64 variation, 8 drum, 32 TONE button tones); 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; ORGAN SPEAKER;

ENHANCER; FLANGER; EQ LOUDNESS) Auto Accompaniment

Rhythm Patterns: 78 (72 + 6 user rhythms) Tempo: Variable (226 steps, = 30 to 255) Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD) Metronome: 6 types Rhythm Controller: Start/Stop, Intro, Normal/Normal Fill-In, Variation/Variation Fill-In, Synchro/Ending One Touch Presets: Recalls settings for tone, tempo, layer, and Auto Harmonize in accordance with rhythm. Auto Harmonize: Automatic addition of notes that harmonize with melody note in accordance with speci-

fied Auto Accompaniment chords. 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: 6 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 x 4 banks) Memory Contents: Tone, Rhythm, Tempo, Split on/off, Split point, Layer on/off, Auto Harmonize on/off,

Mixer settings, Keyboard channel on/off, Digital effect on/off, Digital effect settings,

Accompaniment mode, Touch Response settings, Transpose, Tuning Demo Tunes: 12 Mixer

Channels: 16 Modes: Internal, External Parameters: Program change number, volume, expression, pan, coarse tuning, fine tuning, Effect

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

— 2 —

Other Functions

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

Tuning: Adjustable (A4 = approximately 440Hz ± 50 cents) Pedals: Damper, Soft, Sostenuto 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 rhythms, sequencer, and registration data; playback of SMF;

disk formatting; file delete; accompaniment pattern style conversion

Input/Output: • Headphones: Standard stereo jacks × 2

• LINE OUT (R)(L): Standard monaural jacks × 2 Output impedance: 1.1 Kh Output voltage: 3.5 V (RMS) MAX

• LINE IN (R)(L): Standard monaural jacks × 2 Input impedance: 32.0 Kh Input voltage: 200 mV

• MIDI (OUT) (IN)

Speakers: ø 16.0cm × 2, ø 5.0cm × 2 (Output: 30.0 W + 30.0 W) Power Supply: AP-60R/AP-65R: 120V

AP-60RV/AP-65RV: 220 - 240V

Power Consumption: AP-60R/AP-65R: 91.0W

AP-60RV/AP-65RV: 97.0W

Dimensions: • CELVIANO (without stand): 137.6 × 59.2 × 21.9 cm (54 3/16 × 23 5/16 × 8 5/8 inch)

• CELVIANO: 137.6 × 59.2 × 85.0 cm (54 3/16 × 23 5/16 × 33 1/2 inch)

Weight: •CELVIANO (without stand): approximately 53.0 kg (117.0 lbs)

• CELVIANO: approximately 66.0 kg (145.7 lbs)

• Design and specifications are subject to change without notice.

• AP-60R and AP-65R have hardwired power cords.

• AP-60RV and AP-65RV have detachable power cords.

■ DEMO tune

Tune Number Title Composer Time

1 Main Theme (Original) TECH-NOTE INTERNATIONAL LTD. 2’13” 2 Etude Op10-Nr12 F. Chopin 2’32” 3 Lullaby of Birdland G. Sherring 2’18” 4 Piano Sonata op.31 no.2 “Tempest” 3rd m L. Beethoven 2’00”

ovement 5 Quick Tapper (Original) TECH-NOTE INTERNATIONAL LTD. 1’08” 6 Wohltemperierte Klavier I Praeludium 3 J.S. Bach 1’20” 7 I Could have danced all night F. Loewe 1’16” 8 Libertango A. Piazzolla 1’35” 9 Balloons on the Highway (Original) Ed Alstrom 1’25”

10 “O mio babbino caro” from “Gianni Schicchi” G. Puccini 1’24” 11 Someday My Prince will come F. Churchill 1’37” 12 Brazileira from “Scaramouche” D. Milhaud 2’10”

— 3 —

BLOCK DIAGRAM

ROM

MX23C6410MC12CA10B

LSI2 (64Mbit)

Working

RAM

TC55257 DFL-70L

LSI4

(256Kbit)

RA0 ~ RA21

RD0 ~ RD15

EA0 ~ EA14

ED0 ~ ED7

ECEB, EOEB EWEB

SYOB WOKI BOK SORP

Keyboard

SI0 ~ SI10

KC0

FI0 ~ FI10

KC7

Key Controller

TC190C020AF-001

LSI6

RD, HWR

DSP

HG51B155FD

LSI3

D/A Converter

µPD63200GS

IC3

DOUT LRCKO

RESB

A1 ~ A4

D0 ~ D15

RESB

A0 ~ A3

D8 ~ D15 RESET

RD, HWR

MIDI

OUT

PBO

HD6433048SB05F

D0 D7

TC551001CFL-70L

LSI7 (1Mbit)

LCD Driver

SED1278F2A

LSI601

DB4

~DB7

CONT,

LRS,

LR/W

CPU

LSI9

RAM1

LWR, RD HWR, RD

SEG1 ~ SEG40

LCD

COM1 ~ COM7, COM9 ~ COM16

LEDCK, LEDCL

S-Register

NJV 3718L, NJU3716L

IC301, IC302

LSDT SWCK

S-Register NJU3716L

IC303

KI0 ~ KI7

NMI

TEND, DREQ, CS2, CS3, B1-5

1RD, 1HWR, 1LWR

A0 ~ A19

D0 ~ D15

VBR VBR

D15

RAM2

TC551001CFL-70L

LSI8 (1Mbit)

CFL

L1 ~ L46

KC0 ~ KC5

TC74HC257AP

IC304, IC305

Chip Selector

TC74HC08

IC9

RD, HWR,

LWR

CFL Driver

TE-CFL5-IMI

Q601, Q602

SI0~SI15

FDD Controller

HWR RD

LEDs

Buttons

D15

HD63266F

VCC

HP(✕2)

VFF

LPF

(L)

LPF

(R)

Main

Volume

MIX Amp

IC410

NJM2068D

Power Amp.

STK4152MK2

IC407

(L) (R)

Speakers

MUTE

Reset IC

MB3771PF

IC7

VDD

VCC

VFF

— 4 —

Power Supply Circuit

IC403 ~ IC406

TE660-IMI

SW401

AC INPUT

LSI5

RESET

AVCCAVFFDVCC

VDD

VBR

Back up

Power

3.5" FDD Unit

DF354HO64C

CR2032

PS12

PCB LAYOUT

PS3M

POWER

ON OFF

PS4M

Main PCB

Jack PCBs

PCB

MODE VOLUME

FULL RANGE CHORD

FINGERED

CASIO CHORD

MAIN ACCOMP

PS2M

RHYTHM

FOR PIANO

SELECT

USER

POPS/

POPS

16 BEAT

ROCK

JAZZ

BALLAD

OLDIES

RHYTHM

CN4M

BALL-

EUROPEAN

ROOM

LATIN

MAX

CN5M

NORMAL / VARIATION / SYNCHRO /

INTRO

FILL-IN FILL-IN ENDING

CN6M

MIN

123 456

JAZZ/

LATIN/

VARIOUS

RAGTIME

CLASSIC

METRONOME

ONE TOUCH PRESET

START/STOP TEMPO

EFFECT LAYER

CONTRAST

AUTO HARMONIZE

LCD1M

EXTERNAL

CH 1

CH 2

CH 3

CH 4

CH 5 CH 6

UPPER1

UPPER2

LOWER1

INTERNAL

TONE EXPANDER

MIXER SELECT

MUSICAL INFORMATION SYSTEM

16 CHANNEL MIXER

CH 7

CH 8

CHORD1

CHORD2

CHORD3

CN3M

ACCOMP

CH 9

CH 10

CH 11

CH 12

BASS

RHYTHM

TR 1

TR 2

SEQUENCER TRACK

SPLIT

TRANSPOSE

CH 13

CH 14

TR 3

TR 4

SELECT

BANK A

CH 15

CH 16

TR 5

TR 6

GRAND E.GRAND HARPSI- VIBRA- ACCOR- PIPE DRAWBAR PIANO

PIANO

BRIGHT OCTAVE E.PIANO 2 CLAVI CELESTA HONKYPIANO PIANO TONK GUT TENOR GUITAR

HARP

ACOUS. VIOLIN CHOIR NEWAGE CLARINET TRUMPET GUITAR NESS

TONE

E.PIANO 1

CHORD

PHONE

DION

E. ORGAN 1

STRINGS

BRASS

FLUTE

SAX

CN1M

REGISTRATION

BCDE

CN2M

MA1M

ORGAN

E. ORGAN 2

DRUM SET

W.BASS

BRIGHT-

E.BASS

STORE

SEQUENCER

RECORD

ENTER / NO / YES

DEMO

PATTERN

SONG

CURSOR

DISK

VOLUME

CH CH

TUNE/MIDI

VOLUME

TOUCH RESPONSE

DELETE

2HD/2DD FLOPPY DISK DRIVE

KY1M KY2M KY3M

MA1M

JCM660

CPU, DSP, Sound Source ROM Working storage RAM,

Components

Effect RAM Reset IC, DAC, Filter, Key controller, Power amp, Power supply circuit

PS2M

LINE IN/OUT jack, MIDI jacks

STEREO SAMPLING

Console PCBs

LCD PCB Power PCB

PS3M PS4M CN1M,CN2M CN3M CN4M,CN5M,CN6M LCD1M JCM431-PS12

Phone jacks Power indicator Tone, Registration, Sequencer, Cursor, Demo CHANNEL buttons (CH1 to CH16) Mode, Volume, Rhythm, Select, Tempo LCD driver, CFL drever Fuse, Noise filter

— 5 —

DISASSEMBLY INSTRUCTIONS

1. Removal of top board

1-1. Remove 8 screws affixing the top board on the back. 1-2. Slide the top board forward and remove it from the main

unit.

2. Removal of keyboard cover

2-1. Lift up the keyboard cover full open position. 2-2. Unscrew the L-shaped stopper metal located on the inner

left corner.

2-3. Lift up the keyboard cover gear from the opening where

stopper metal is fixed, then remove the keyboard cover.

— 6 —

3. Removal of console panel

Front cover screws

Bottom

Keyboard screws

3-1. Remove 6 screws of the console panel. 3-2. Disconnect connector CC,CD,CE on PCB MA1M, connector CG,CK on PCB PS2M. 3-3. Lift the console panel and turn it over and remove the power switch, which is affixed by 2 screws. Then remove the side panel.

Caution: Be careful not to scratch the side panels.

Connectors (CE,CC,CD)Connectors (CG,CK)Power switch

4. Removal of front cover

4-1. Remove 6 screws from the front end of the lower case. 4-2. Lift the front cover and remove the pilot lamp that is affixed

by 2 screws. Then remove the front cover.

5. Removal of keyboard unit

5-1. Disconnect connector CA on the PCB MA1M. 5-2. Remove 24 screws that affix the keyboard unit (16 on the bottom of the case and 8 on the

keyboard unit).

5-3. Lift and remove the keyboard unit.

Keyboard screws

Screws

screws

Connector (CA)

— 7 —

6. Removal of keys

6-1. While plying the side partition plastics with tweezers, lift

the edge of the key toward front.

7. Removal of keyboard PCB

7-1. Lay the keyboard so that keyboard PCBs face upward. 7-2. Remove screws on keyboard PCBs (10 screws on PCBs

KY1M and KY3M, 12 screws on KY2M).

7-3. Unsolder the cable.

8. Notes on replacing the main PCB.

A lithium battery is set on the main PCB for memory protection. When you replace the main PCB, disconnect the jumper to open battery circuit. Since there is no jumper on a new main PCB, be sure to set a jumper.

jumper

— 8 —

KEYMATRIX

CIRCUIT DESCRIPTION

Second contact First contact

FI KC

TC190C020AF-001

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7 FI0 A0 1 A0 # 1 B0 1 C1 1 C1 # 1 D1 1 D1 # 1 E1 1 SI0 A0 2 A0 # 2 B0 2 C1 2 C1 # 2 D1 2 D1 # 2 E1 2 EI1 F1 1 F1 # 1 G1 1 G1 # 1 A1 1 A1 # 1 B1 1 C2 1 SI1 F1 2 F1 # 2 G1 2 G1 # 2 A1 2 A1 # 2 B1 2 C2 2 FI2 C2 # 1 D2 1 D2 # 1 E2 1 F2 1 F2 # 1 G2 1 G2 # 1 SI2 C2 # 2 D2 2 D2 # 2 E2 2 F2 2 F2 # 2 G2 2 G2 # 2 FI3 A2 1 A2 # 1 B2 1 C3 1 C3 # 1 D3 1 D3 # 1 E3 1 SI3 A2 2 A2 # 2 B2 2 C3 2 C3 # 2 D3 2 D3 # 2 E3 2 FI4 F3 1 F3 # 1 G3 1 G3 # 1 A3 1 A3 # 1 B3 1 C4 1 SI4 F3 2 F3 # 2 G3 2 G3 # 2 A3 2 A3 # 2 B3 2 C4 2

LSI

FI5 C4 # 1 D4 1 D4 # 1 E4 1 F4 1 F4 # 1 G4 1 G4 # 1 SI5 C4 # 2 D4 2 D4 # 2 E4 2 F4 2 F4 # 2 G4 2 G4 # 2 FI6 A4 1 A4 # 1 B4 1 C5 1 C5 # 1 D5 1 D5 # 1 E5 1 SI6 A4 2 A4 # 2 B4 2 C5 2 C5 # 2 D5 2 D5 # 2 E5 2 FI7 F5 1 F5 # 1 G5 1 G5 # 1 A5 1 A5 # 1 B5 1 C6 1 SI7 F5 2 F5 # 2 G5 2 G5 # 2 A5 2 A5 # 2 B5 2 C6 2 FI8 C6 # 1 D6 1 D6 # 1 E6 1 F6 1 F6 # 1 G6 1 G6 # 1 SI8 C6 # 2 D6 2 D6 # 2 E6 2 F6 2 F6 # 2 G6 2 G6 # 2 FI9 A6 1 A6 # 1 B6 1 C7 1 C7 # 1 D7 1 D7 # 1 E7 1 SI9 A6 2 A6 # 2 B6 2 C7 2 C7 # 2 D7 2 D7 # 2 E7 2

FI10 F7 1 F7 # 1 G7 1 G7 # 1 A7 1 A7 # 1 B7 1 C8 1 SI10 F7 2 F7 # 2 G7 2 G7 # 2 A7 2 A7 # 2 B7 2 C8 2

— 9 —

BUTTON MATRIX

SI0 MODE BALLAD POPS SELECT SI1 SI2 SI3 INTRO LATIN/CLASSIC JAZZ B SI4 SI5 SI6 SI7 STRAT/STOP METRONOME VARIOUS STROE SI8 TEMPO DOWN 4 1 RECORD ch– –/NO SI9 TEMPO UP 5 2 PATTERN VOLUME + +/YES

SI10 – 6 3 SONG ch+ ENTER

KC0 KC1 KC2 KC3 KC4 KC5

GRAND PIANO GUT GUITAR BRIGHT PIANO ACOUS GUITAR

AUTO HARMONIZE

ONE TOUCH

PRESET E.PIANO 2 CHOIR

NORMAL/FILL/IN

VARIATION/

FILL-IN HONKY-TONK TRUMPET

SYNCRO/

ENDING E.ORGAN 2 BRIGHTNESS

POPS/OLDIES 16BEAT BANK

JAZZ/RAGTIME ROCK A

– EUROPIAN C

OSER/RYTHM BALL ROOM D

– LATIN E

E.GRAND PIANO

OCTAVE PIANO VIOLIN

E.PIANO 1 STRINGS

HARPSI CHORD BRASS

CLAVI NEWAGE

VIBRAPHONE FLUTE

CELESTA CLARINET

ACCORDION TENOR SAX

PIPE ORGAN DRUM SET

DRAWBAR ORGAN

E.ORGAN 2 BRIGHTNESS

HARP

DRUM SET

SI11 LAYER CONTRAST EFFECT DEMO VOLUME– SI12 SPLIT SI13 –

TRANSPOSE TRANSPOSE

DOWN UP

EXTERNAL/

INTERNAL

ch1 ch2 ch3 ch4

DISK – TUNE/MIDI

TOUCH RESPONS

SI14 ch5 ch6 ch7 ch8 ch9 ch10 SI15 ch11 ch12 ch13 ch14 ch15 ch16

— 10 —

Main PCB JCM660-MA1M

PRINT CIRCUIT BOARD

Top View

Bottom View

— 11 —

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