Casio_AP-40_Service_Manual.pdf

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AP-40
AUG. 2000
AP-40
DIGITAL PIANO
INDEX
Ver.1 Oct. / 2000
CONTENTS
Page
Specifications .......................................................................................................................................................... 1
Block Diagram ......................................................................................................................................................... 2
PCB Layout ............................................................................................................................................................. 3
Disassembly Instructions ........................................................................................................................................ 4
Circuit Description ................................................................................................................................................... 8
Major Waveforms .................................................................................................................................................. 10
Printed Circuit Board ............................................................................................................................................. 11
Troubleshooting .................................................................................................................................................... 12
Wiring Diagram ..................................................................................................................................................... 16
Exploded View ...................................................................................................................................................... 17
Parts List ............................................................................................................................................................... 19
Schematic Diagrams ............................................................................................................................................. 22
SPECIFICATIONS
GENERAL
Keyboard:
Polyphonic:
Tones:
88 piano keys (with touch response)
32 notes, maximum
• 10 (including two bass tones)
• Tuning Curves: 3 (preset for each tone)
• Layer: Adjustable volume
• Split: Split point, adjustable volume
Reverb (4 types), Chorus, Tremolo, Brilliance
• Number of Tunes: 8
• Playback: Repeat (all tunes, one tune)
• Operations: Real-time recording, playback
• Number of Tracks: 2 (Track A, Track B)
• Capacity: Approximately 5,000 notes (total of 2 tracks)
• Memory Backup: Built-in lithium battery (Battery Life: 5 years)
• Number of Tunes: 80
• Playback: All song repeat, specific song
• Part Off: L, R
• Phrase Repeat
Damper, Soft, Sostenuto
• Metronome: Beat (6 types), Tempo ( = 30 to 300)
• Touch Select: 3 types
• Transpose: 1 octave (F# to C to F)
• Tuning: A4 = 440Hz
±13Hz
(adjustable)
• Temperament: 7 types
• Baroque pitch
16 multi-timbre receive
• Headphones: Stereo standard jacks
×
2
• LINE OUT (R)(L): Monaural standard jacks
×
2
Output impedance: 22KΩ
Output voltage: 2.0V (RMS) MAX
• LINE IN (R)(L):
Monaural standard jacks
×
2
Input impedance: 30KΩ
Input voltage: 200mV
• MIDI (OUT) (IN)
Ø 16cm
×
2, Ø 5cm
×
2 (Output: 30W + 30W)
120V (for U.S.A.), 120V, 220V, 230V and 240V (for other countries) AC household
current via AC power cord supplied with piano.
70W (with 120V AC), 90W (with 220V, 230V and 240V AC)
• CELVIANO Only: 139.0
×
54.0
×
24.9 cm (54
3
/
4
×
21
1
/
4
×
9
13
/
16
inch)
• CELVIANO and Stand: 139.0
×
54.0
×
88.4 cm (54
3
/
4
×
21
1
/
4
×
34
13
/
16
inch)
• CELVIANO Only: approximately 48.5kg (107.1 lbs)
• CELVIANO and Stand: approximately 63.6kg (140.4 lbs)
Digital Effects:
Demo Tunes:
Memory:
Song Lesson:
Pedals:
Other Functions:
MIDI:
Input/Output:
Speakers:
Power Supply:
Power consumption:
Dimensions:
Weight:
—1—
BLOCK DIAGRAM
MIDI
IN
OUT
PEDAL
PB4 ~ 6
BRILLIANCE
CPU
A0 ~ 19
A0 ~ 14
HD6435328RF35F
LSI1
M-IN
P70 ~
P77
Keyboard
Controller
HG52E35P
KC0 ~ 7
Keyboard
M-OUT
LSI10
P12 ~
P14
Switch & LED
Controller
FI0 ~ 10
SI0 ~ 10
L18 ~ 28
Buttons
KI0 ~ 3
uPD65005GF-419 LA ~ LG, LP
LSI301
D0 ~ 7
D0 ~ 7
MUTE
RAM 256K
TC55257DFL-70L
LSI3
ROM 8M
MSM538002E-
W1-GS-K
LSI2
DSP
HG51B155FD
LSI 7
RST
LK8 ~ 14
Reset IC
MB3771PF
IC5
RA0 ~ 22
LEDs
RD0 ~ 15
ROM 24M
MX23C2410MC-
12CA58
LSI6
EA0 ~ 14
ED0 ~ 15
RAM 256K
×
2
TC55257DFL-70L
×
2
LSI8,9
+15V
AVCC
+5V
AVDD
–15V
AVFF
+5V
VDD
SOLM, SOLP
BDK, WOK1, SORM, SORP
IC401,403,404
NJM78M15FA
NJM78L05A
NJM7805FA
D/A Converter
uPD6376GS
LSI 4
D/A Converter
uPD6376GS
LSI 5
Filter
Main
Volume
LINE OUT
LINE IN
Mixer, Mute Circuit
Filter
Power Switch
Voltage
selector
Power
Transformer
T101
SP
Power Amp.
STK4132MK
IC405
SP
Tweeter
Tweeter
HEADPHONE
—2—
PCB LAYOUT
PS11
PS3M
CN2M
BRILLIANCE
POWER
ON
OFF
MELLOW
BRIGHT
ROOM
STAGE
HALL 1
CONTROL
HALL2
CONTROL
MIDI
CHORUS
TREMOLO
CHORUS/TREMOLO
PIPE ORGAN
STRINGS
VIBRAHONE
CHOIR
TONE
PIANO 1
PIANO 2
E.PIANO
HARPSICHORD
PS2M
MA1M
CN1M
W. BASS
TRACK
RECORD
A
LIGHT
LOWER TONE
MIDDLE
VALUE
SONG LESSON/MEMORY
B
MALTI FUNCTION DISPLAY
HEAVY
E. BASS
TOUCH SELECT
E
TRANSPOSE
E
TUNE
E
MIDI
E
BRILLIANCE
E
METRONOME VOL
VOLUME
REVERB
TEMPO/BEAT/
FIXED
METRONOME
PLAY/STOP
SONG
PART
PHRASE REPEAT
NEXT
DEMO
MIN
MAX
L
R
KY1M
PS4M
KY2M
KY3M
PCB
Main PCB
MA1M
JCM434-
Components
CPU, DSP, Sound Source ROM Working storage RAM,
Effect RAM Reset IC, DAC, Filter, Key con-troller, Power
amp, Power supply circuit
LINE IN/OUT jack, MIDI jacks
Phone jacks
Power indicator
Gate array (Button controller/LED driver), LEDs, Buttons
Main Volume, Brilliance volume, LEDS, Buttons
Fuse, Noise filter
Jack PCBs
PS2M
PS3M
PS4M
Console PCBs
CN1M
CN2M
Power PCB
PS11
—3—

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