Casio AP-10 Bedienungsanleitung

ELECTRONIC KEYBOARD

AP-10

(with price)

— 2 —

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.

— 3 —

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 KΩOutput 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.

— 4 —

Buttons

Keyboard

FI0 ~ FI10

SI0 ~ SI19

KC0 ~ KC7

KI0 ~ KI2

MIDI

INOUT

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, LRCKMA0, 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

12.5V

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

— 5 —

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

AP-10

MA1MPS2M

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

— 6 —

For keyboard-cover model

2. Disassembling the keyboard cover

2-1. Remove L-shape metal on inside of the side board.

2-2. Slide the keyboard cover to open fully.

2-3. Lift the keyboard cover.

DISASSEMBLY INSTRUCTIONS

1. Disassembling top board

1-1. Remove 8 screws on the rear.

1-2. Slide the top board towards the rear.

The top board will be free from catches

on the case.

1-3. Lift the top board.

For no-keyboard-cover model

2. Disassembling the front cover

2-1. Remove 4 screws at both ends of the front cover.

2-2. Remove the front cover.

— 7 —

3. Disassembling the console panel

Note: To avoid scratch on the side board, put paper between the console panel and the side board at

both ends.

3-1. The console panel is fixed with screws and nuts.

Holding the nut, remove the screw.

3-2. Remove the screw fixing a grounding wire at the transformer.

3-3. Slide the console panel towards the front to free from catches.

3-4. Turn round the console panel.

3-5. Remove 2 screws fixing the power switch.

Hold this nut.

Insert paper here.

4. Disassembling keyboard unit

4-1. Remove 20 screws on the bottom.

4-2. Disconnect 2 connectors for the keyboard unit on the main PCB.

4-3. Remove the keyboard unit from the case.

Insert paper here.

— 8 —

5. Disassembling keys

5-1. Remove a key spring.

5-2. Use a long-nose plier, pressing the hook, lift the key.

Apply grease G501

6. Disassembling keyboard PCBs

6-1. Turn around the keyboard unit to face the PCB up.

6-2. Disconnect the connector at middle of the keyboard.

6-3. Remove screws on keyboard PCBs

— 9 —

7. Replacing the main PCB

Note: The main PCB contains a lithium battery for memory back-up. Please remove the jumper before

replacing the PCB.

And make sure that the jumper is reset on new main PCB after replacing the PCB. Because no

jumper is set on a spare part of the main PCB.

Jumper and short-pin

Lithium battery

— 10 —

CIRCUIT DESCRIPTION

KEYMATRIX

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

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

LSI

UPD912GF-3BA

Second contact First contact

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