ELECTRONIC KEYBOARD
AP-10
(with price)
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CONTENTS
Safety Notice ...................................................................................... 2
Specifications ..................................................................................... 3
Block Diagram .................................................................................... 4
PCB Layout ......................................................................................... 5
Disassembly Instructions ................................................................. 6
Circuit Description .......................................................................... 10
Major Waveforms .............................................................................12
Troubleshooting ............................................................................... 13
Wiring Diagram ................................................................................ 17
Exploded View .................................................................................. 18
Parts List ........................................................................................... 21
Schematic Diagrams ....................................................................... 23
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.
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SPECIFICATIONS
GENERAL
Number of keys:
88
Polyphonic:
24-note
Preset tones:
5, Piano-1, Piano-2, Electric Piano, Pipe Organ, Strings
Layer: On/Off
Key transpose:
Range of
± 1 octave by a semitone increment
Effects:
Reverb-1/Reverb-2/Chorus reverb
Demo tunes:
5,
1. Grande valse brillante (F.F. Chopin)
2. One-Eighty (CASIO original)
3. Harmonious blacksmith (G.F. Handel)
4. Fugue in G minor (J.S. Bach)
5. Rainbow (CASIO original)
Memory:
Number of songs:
2
System:
Real-time recording
Memory capacity:
Approx. 1200 notes total
Memory backup battery: Built-in lithium battery
Battery life: Approx. 5 years
Pedals:
Damper, Soft/Sostenuto
Tuning control:
440Hz
± 50 cents
Built-In Speakers:
14 cm dia. 10 W input rating: 2 pcs.
MIDI:
8-channel, multi-timbral reception
Terminals:
Line Out Jacks [Output impedance: 2 K
Output voltage: 1.5V (rms) MAX],
Phone Jacks, MIDI Jacks (IN, OUT)
Power source:
120V AC (for U.S.A.)
120V/220V/230V/240V (for other countries)
Power consumption:
35 W (with 120V AC), 30 W (with 220V/230V/ 240V AC)
Dimensions (HWD):
Without stand: 165
× 1340 × 480 mm (6-1/2 × 52-13/16 × 18-15/16 inches)
With stand:
805
× 1360 × 480 mm (31-11/16 × 53-9/16 × 18-15/16 inches)
Weight:
Without stand: 25.0 kg (55.1 lbs)/28.0 kg (61.7 lbs)
With stand:
35.5 kg (78.3 lbs)/38.5 kg (84.9 lbs)
Note: There are two models of AP-10, one has a keyboard cover, the other has no keyboard cover.
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Buttons
Keyboard
FI0 ~ FI10
SI0 ~ SI19
KC0 ~ KC7
KI0 ~ KI2
MIDI
IN
OUT
Working Storage
RAM (64K-bit)
LSI304
LC3564SM-85
MA0
~
MA12
MD0
~
MD7
MD0 ~ MD15
MA1 ~ MA19
Sound Source ROM
(8M-bit)
LSI303
MX23C8100MC-
12CA27
CPU
LSI301
UPD912GF-3BA
BCK, SO, LRCK
MA0, MA1
EA0 ~
EIO0 ~
EA14
EIO7
Effect RAM
(256K-bit)
LSI305
LC333832M-70
DSP
LSI302
HG51B227FB
LEDs
VDD
HALL
STAGE
ROOM
SONGA
SONGB
MEMORY
LRCK
SO
BCK
D/A Converter
LSI306
UPD6379GR
Filter
IC104
Main
Volume
LVDD
VDD
AVCC
AVDD
5V
5V
12.5V
5V
Voltage
Regulator
Q101 ~ 106,
and Q111
T101
Transformer
Power Switch
Power Amplifer
IC101
LA4620
Output
Speakers
Reset IC
IC 302
RN5VD24AA
Line Out Amp.
IC102
LINE OUT L
LINE OUT R
BLOCK DIAGRAM
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PCB LAYOUT
POWER
VOLUME
MIN
MAX
TRANSPOSE/
TUNE/MIDI
DIGITAL
EFFECT
CHORUS REVERB
REVERB2
REVERB1
TONE
PIANO
E.PIANO
HARPSI-
CHORD
PIPE
ORGAN
STRINGS
SONG A
SONG B
RECORD
START/
STOP
DEMO
MEMORY
OFF
ON
AP-10
MA1M
PS2M
PS1M
PS3M
PS4M
CN1M
TP8-KY1M
TP8-KY2M
PCB
Main PCB
Sub PCB
Console PCB
Other PCBs
JCM358-
MA1M
PS2M
CN1M
PS1
PS3M
PS4M
Components
CPU, DSP, Sound Source ROM Working storage
RAM, Effect RAM Reset IC, DAC
Filter, Lineout Amp., Power Amp. Power supply cir-
cuit. MIDI input/output.
Main Volume, LEDs, Buttons
Fuse, Noise filter
Head phone Jack
Power lamp