Casio PRIVIA PX-130 Guida alla risoluzione dei problemi
CONTENTS
SPECIFICATIONS..................................................................................................................... 1
BLOCK AND WIRING DIAGRAM ............................................................................................ 2
PCB LAYOUT ........................................................................................................................... 3
CIRCUIT DESCRIPTION .......................................................................................................... 4
PRINTED CIRCUIT BOARDS................................................................................................... 6
DISASSEMBLY....................................................................................................................... 11
DIAGNOSTIC PROGRAM ...................................................................................................... 32
EXPLODED VIEW................................................................................................................... 39
PARTS LIST............................................................................................................................ 41
SCHEMATIC DIAGRAMS....................................................................................................... 47
– 1 –
SPECIFICATIONS
Keyboard 88-key piano keyboard, with Touch Response
Maximum Polyphony 128 notes
Tones 16
Layer (excluding bass tones)
Split (Low-range bass tones only)
Effects Brilliance (–3 to 0 to 3), Reverb (4 types), Chorus (4 types), DSP,
Acoustic Resonance
Metronome Beats: 0, 2, 3, 4, 5, 6
Tempo Range: 20 to 255
Duet Adjustabletonerange(−1to2octaves)
Music Library Number of Songs: 60, User Songs: 1 (memory capacity: up to 65 KB) *
* Based on 1 KB = 1024 bytes, 1 MB = 10242bytes
Song volume: Adjustable
Part On/Off: L, R
Recorder Functions: Real-time recording, playback
Number of Song: 1
Number of Tracks: 2
Capacity: Approximately 5,000 notes total
RecordedDataProtection:Built-inashmemory
Pedals Damper
(Soft and sostenuto pedal operations enabled by the optional SP-32 Pedal Unit.)
Other Functions Touch Select: 3 types, Off
Transpose: 2 octaves (–12 to 0 to 12)
Tuning: A4 = 440.0 Hz ± 99 cents (variable)
Temperament
Octave shift
Operation lock
MIDI 16-channel multi-timbre receive
Inputs/Outputs PHONES jacks:Stereo mini jacks × 2
Outputimpedance:3Ω
Output Voltage: 1.5 V (RMS) MAX
Power: 12 V DC
USB port: TYPE B
Damper Pedal Jack: Standard jack
Pedal connector
Speakers [13 cm × 6 cm (rectangular)] × 2 (Output 8 W + 8 W)
Power Requirements AC Adaptor: AD-A12150LW
Power Consumption 12 V 18 W
Dimensions 132.2 (W) × 28.6 (D) × 13.5 (H) cm (52 1/16 × 11 1/4× 5 5/16 inch)
Weight Approximately 11.2 kg (24.7 lbs)
– 2 –
BLOCK AND WIRING DIAGRAM
CN601 (12 pin)
CN4 (12 pin)
CN5 (5 pin)
CN2 (20 pin)
CN802 (20 pin)
CN801 (12 pin) CN803 (12 pin)
CN1 (30 pin)
CN804 (30 pin)
CN801 (20 pin)
CN603 (20 pin)
CN602 (14 pin)
CN803 (14 pin) CN601 (14 pin) CN601 (12 pin) CN602 (12 pin)
CN802 (14 pin)
CN12 (10 pin)
CN201 (5 pin)
CN206 (4 pin)
CN211
CN601 (4 pin)
CN202 (10 pin)
CN205
CN213
USB
(CN9)
BUTTONS
CN602 (5 pin)
SPEAKERS
POWER
SWITCH
DAMPER
PEDAL (J204)
PHONES (J601, J602)
(R)
(L)
12 V
DC IN
(J202)
PEDAL
MPU
IC5
DAC
IC13
HEADPHONE
AMPLIFIER
IC201 POWER
AMPLIFIER
IC202
SDRAM
(256 Mbit)
IC2
VD3
VCP
VA3
VD5
VD5
LOUT
ROUT
VD5
VA12
VA12
VA5
POWER SUPPLY
CIRCUIT
IC1, Q7, C107-C113
POWER SUPPLY CIRCUIT
IC203, Q207, D203, D204,
C231, C233-C237, C239
KEY
CONTROLLER
IC14
MAIN PCB
(M900-MDA1)
SUB PCB
(M900-PSA1)
KEYBORAD PCB
(MACP-KYB1)
KEYBORAD PCB
(MACP-KYD1)
CONSOLE PCB
(M900-CNA1)
KEYBORAD PCB
(MACP-KYA2)
KEYBORAD PCB
(MACP-KYB2)
KEYBORAD PCB
(MACP-KYA1)
KEYBORAD PCB
(MACP-KYC1)
KEYBORAD PCB
(MACP-KYC2)
VOLUME PCB
(M900-CNA2)
JACK PCB
(M900-HPA1)
FI0-FI10, SI0-SI10, KC0-KC7
KI0-KI10,
KO0-KO-7, NC
SDD0-SD015
SDA0-SDA12, SDBA0, SDBA1
NOR
FLASH MEMORY
(256 Mbit)
IC6
PSRAM
(32 Mbit)
IC7
D0-D15
A1-A23
A1-A21
D0-D15
D0-D15
– 3 –
PCB LAYOUT
MACP-KYA1, MACP-KYA2,
MACP-KYB1, MACP-KYB2
MACP-KYC1, MACP-KYD1,
MACP-KYC2
MACP-KYA1 MACP-KYA2 MACP-KYB1
M900-MDA1M900-PSA1M900-CNA1M900-CNA2
MACP-KYB2
MACP-KYC1
M900-HPA1
MACP-KYD1 MACP-KYC2
Left side
PCBs Components
Main PCB M900-MDA1 MPU, Reset IC, SDRAM (256 Mbit), Flash Memory (256 Mbit),
PSRAM (32 Mbit), Power Supply Circuit, Key Controller, USB Port
Sub PCB M900-PSA1 DC12VTerminal,PowerSupplyCircuit,Filter,PowerAmplier,
Damper Pedal Jack
Console PCBs M900-CNA1 Buttons
Volume PCB M900-CNA2 Main Volume
Jack PCB M900-HPA1 Phones Jacks
Keyboard PCBs MACP-KYA1 Keyboard
MACP-KYA2
MACP-KYB1
MACP-KYB2
MACP-KYC1
MACP-KYC2
MACP-KYD1
– 4 –
CIRCUIT DESCRIPTION
KEY MATRIX
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
FI0 A0A0#B0C1C1#D1D1#E1
SI0 A0A0#B0C1C1#D1D1#E1
FI1 F1F1#G1G1#A1A1#B1C2
SI1 F1F1#G1G1#A1A1#B1C2
FI2 C2#D2D2#E2F2F2#G2G2#
SI2 C2#D2D2#E2F2F2#G2G2#
FI3 A2A2#B2C3C3#D3D3#E3
SI3 A2A2#B2C3C3#D3D3#E3
FI4 F3F3#G3G3#A3A3#B3C4
SI4 F3F3#G3G3#A3A3#B3C4
FI5 C4#D4D4#E4F4F4#G4G4#
SI5 C4#D4D4#E4F4F4#G4G4#
FI6 A4A4#B4C5C5#D5D5#E5
SI6 A4A4#B4C5C5#D5D5#E5
FI7 F5F5#G5G5#A5A5#B5C6
SI7 F5F5#G5G5#A5A5#B5C6
FI8 C6#D6D6#E6F6F6#G6G6#
SI8 C6#D6D6#E6F6F6#G6G6#
FI9 A6A6#B6C7C7#D7D7#E7
SI9 A6A6#B6C7C7#D7D7#E7
FI10 F7F7#G7G7#A7A7#B7C8
SI10 F7F7#G7G7#A7A7#B7C8
KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO7
KI0 A03A0#3B03C13C1#3D13D1#3E13
KI1 F13F1#3G13G1#3A13A1#3B13C23
KI2 C2#3D23D2#3E23F23F2#3G23G2#3
KI3 A23A2#3B23C33C3#3D33D3#3E33
KI4 F33F3#3G33G3#3A33A3#3B33C43
KI5 C4#3D43D4#3E43F43F4#3G43G4#3
KI6 A43A4#3B43C53C5#3D53D5#3E53
KI7 F53F5#3G53G5#3A53A5#3B53C63
KI8 C6#3D63D6#3E63F63F6#3G63G6#3
KI9 A63A6#3B63C73C7#3D73D7#3E73
KI10 F73F7#3G73G7#3A73A7#3B73C83
– 5 –
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#7C#7
BUTTON MATRIX
SO0 SO1 SO2
SI0 FUNCTION METRONOME (R) ELEC PIANO, DUET
SI1 ―SONG u/n, DEMO GRAND PIANO (MODERN),
REVERB
SI2 ―GRAND PIANO (CLASSIC),
CHORUS RECORDER (L)
– 6 –
PRINTED CIRCUIT BOARDS
Top View
Bottom View
Top View
Bottom View
Main PCB M900-MDA1 Sub PCB M900-PSA1
Jack PCB M900-HPA1
Top View Bottom View
– 7 –
Console PCB M900-CNA1 Volume PCB M900-CNA2
Top View
Top View
Bottom View
Top View
Bottom ViewBottom View
KEYBOARD PCB MACP-KYA1
– 8 –
KEYBOARD PCB MACP-KYA2
KEYBOARD PCB MACP-KYB1
Bottom View
Top View
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