Casio Privia PX-700 Manual de usuario
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 (Fto 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.
12
2
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