Casio Privia PX-700 Manuel utilisateur

ELECTRONIC KEYBOARD

PX-700

SEP. 2005

PX-700

Ver. 9:Jan. 2010

INDEX

CONTENTS

Specifications ---------------------------------------------------------------------------------------------- 1

Block Diagram --------------------------------------------------------------------------------------------- 2

Circuit Description --------------------------------------------------------------------------------------- 3

Printed Circuit Board ------------------------------------------------------------------------------------ 4

Disassembly ------------------------------------------------------------------------------------------------ 6

Diagnostic Program ------------------------------------------------------------------------------------ 14

Schematic Diagrams ----------------------------------------------------------------------------------- 16

Exploded View ------------------------------------------------------------------------------------------- 20

Parts List--------------------------------------------------------------------------------------------------- 22

— 1 —

SPECIFICATIONS

GENERAL

Keyboard: 88 piano keys (with touch response)

Polyphony: 32 notes, maximum

Tones: 11; with layer, split

Digital Effects: Reverb (4 types), Chorus (4 types), DSP, Brilliance

Metronome: • Time Signatures: 0, 2, 3, 4, 5, 6

• Tempo Range: 30 to 255

Music Library: • Number of Tunes: 60

• Tune Volume: Adjustable

• Demo: Sequential looping of all 60 preset tunes

• Part On/Off: Left hand, right hand

Song Memory: • Operations: Real-time recording, playback

• Capacity: Approximately 10,000 notes (2 tracks total)

• Memory Backup: Built-in lithium battery (Battery Life: 5 years)

Pedals: Damper, Soft, Sostenuto

Other Functions: • Touch: 3 types, off

• Transpose: 1 octave (Fto C to F)

• Tuning: A4 = 440.0Hz ±50 cents (adjustable)

MIDI: 16 multi-timbre receive

Input/Output: • Headphones: Stereo standard jacks 2

Output Impedance: 170.

Output Voltage: 5.5V (RMS) MAX

• Power: 12V DC

• MIDI (OUT) (IN)

• Pedal connector

Speakers: 12cm 2 (Output: 8.0W + 8.0W)

Power Supply: AC Adaptor: AD-12

Power Consumption: 12V 18W

Dimensions: Digital piano + stand: 136.9 30.0 78.9 cm (53 15/16 11 13/16 31 1/16 inch)

Weight: Digital piano + stand: Approximately 32.5 kg (71.6 lbs)

ELECTRICAL

Load condition

Current drain with 12 V DC:

Speaker: 6 .Real Load

Volume: maximum

Tone: Strings

Touch: MAX mode

Keys: A0 - D5, 32poly

Consumption Current 1450 mA ±20 %

Consumption Current at idle 230 mA ±20 %

Speaker output level (Vrms with 6 .load each channel):

Tone: TEST MODE (Sin wave MAX L and MAX R)

L ch: 3000 mV ±20 %

R ch: 3000 mV ±20 %

Phone output level (Vrms with 32 .load each channel):

Tone: TEST MODE (Sin wave MAX)

L ch: 300 mV ±20 %

R ch: 300 mV ±20 %

— 2 —

BLOCK DIAGRAM

RAM (1Mbit)

IC3

CY62128DV30LL

Reset IC

IC5

R1151N001C-TR

RESET

16.384MHz

EA0 ~ EA15,EA18

ED12 ~ ED19

MA0 ~ MA20

MD0 ~ MD7

Power Amplifier

IC201

LA4636

Filter

IC8, IC13

Filter

IC205

DAC IC15

µPD63200GS-E1

RAM (1Mbit)

IC4

CY62128DV30LL

ROM (64Mbit)

IC1

MR27V6402G19RTN03D

MA0 ~ MA20

MD0 ~ MD15

MA0 ~ MA3

MD0 ~ MD15

KEY CONTROLLER

IC14

TC190C020AF-001

Keyboard

Power Supply Circuit

IC202,Q206,Q207,

D206,D207

(12V)

VA12

(5V)

VD5

(5V)

VA5

(5V)

VI5

MA0 ~ MA16, 25

Speakers

(L) (R)

Main

Volume

CONSOLE PCB

(M406-CNA1)

CONSOLE PCB

(M406-CNA3)

Keyboard PCB

(MCPZ-KYA1/KYB2/KYA3)

SUB PCB

(M404-PSA1)

CONSOLE PCB

(M406-CNA4)

CONSOLE PCB

(M406-CNA2)

MAIN PCB (M404-MDA1)

MPU

IC7

uPD914AGM-JED

Buttons

SI0 ~ SI7

FI0 ~ FI7

LOUT ROUT

D201

KC0 ~ KC7

—3 —

CIRCUIT DESCRIPTION

KEY MATRIX

NOMENCLATURE OF KEYS

F#3G#3 A#3 C#4D#4 F#4G#4A#4 C#5D#5 F#5G#5 A#5

F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6

D#3

C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 B6A6G6F6E6D6 C7

C#3A#2G#2F#2D#2C#2

C1 D1 E1 F1 G1 A1 B1A0 B0

A#1A#0 G#1F#1D#1C#1 A#6G#6F#6D#6C#6

B7A7G7F7E7D7 C8

A#7G#7F#7D#7

C#7

KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7

FI0 A01A0#1B01C11C1#1D11D1#1E11

SI0 A02A0#2B02C12C1#2D12D1#2E12

FI1 F11F1#1G11G1#1A11A1#1B11C21

SI1 F12F1#2G12G1#2A12A1#2B12C22

FI2 C2#1D21D2#1E21F21F2#1G21G2#1

SI2 C2#2D22D2#2E22F22F2#2G22G2#2

FI3 A21A2#1B21C31C3#1D31D3#1E31

SI3 A22A2#2B22C32C3#2D32D3#2E32

FI4 F31F3#1G31G3#1A31A3#1B31C41

SI4 F32F3#2G32G3#2A32A3#2B32C42

FI5 C4#1D41D4#1E41F41F4#1G41G4#1

SI5 C4#2D42D4#2E42F42F4#2G42G4#2

FI6 A41A4#1B41C51C5#1D51D5#1E51

SI6 A42A4#2B42C52C5#2D52D5#2E52

FI7 F51F5#1G51G5#1A51A5#1B51C61

SI7 F52F5#2G52G5#2A52A5#2B52C62

FI8 C6#1D61D6#1E61F61F6#1G61G6#1

SI8 C6#2D62D6#2E62F62F6#2G62G6#2

FI9 A61A6#1B61C71C7#1D71D7#1E71

SI9 A62A6#2B62C72C7#2D72D7#2E72

FI10 F71F7#1G71G7#1A71A7#1B71C81

SI10 F72F7#2G72G7#2A72A7#2B72C82

BUTTON MATRIX

KC0

KC1

KC2

KI0

FUNCTION

START/

STOP

PART/

TRACK

KI1

SONG

MEMORY

METRONOME

SPLIT

KI2

GRAND

PIANO

— 4 —

PRINTED CIRCUIT BOARDS

MAIN PCB M404-MDA1

Bottom view

Top view

SUB PCB M404-PSA1

— 5 —

CONSOLE PCB M406-CNA1

CONSOLE PCB M406-CNA2 CONSOLE PCB M406-CNA3

CONSOLE PCB M406-CNA4

— 6 —

DISASSEMBLY

1. Remove 14 screws and then the lower panel.

2. Remove the T-BRD-UNIT.

■ Removing the PCBs (M404-MDA1, M406-CNA4, M404-PSA1).

3. Remove 13 screws.

3. Remove 4 screws.

T-BRD-UNIT

— 7 —

5. Remove 11 screws.

6. Remove the PCB case.

7. Remove 3 connectors.

8. Remove 4 screws.

9. Remove the FPC and then the main PCB (M404-MDA1).

CN6 CN7

CN2

— 8 —

10. Remove 3 connectors and 4 screws.

11. Remove the console PCB (M406-CNA4).

12. Remove 5 connectors and 6 screws.

13. Remove the sub PCB (M404-PSA1).

CN405

CN407

CN408

CN206CN212

CN207 CN203

CN201

Removing the key cover.

14. Remove 2 screws and then both sides of the stoppers.

15. Remove 2 screws and then both sides of the TOP-DECORs.

TOP-DECOR

Stopper

16. Remove the key cover.

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