Casio PRIVIA PX-130 Troubleshooting guide

ELECTRONIC KEYBOARD

(without price)

PX-130

JUL. 2009

PX-130WE

Ver. 5 : Jan. 2011

INDEX

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 Adjustabletonerange(−1to2octaves)

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

 RecordedDataProtection:Built-inashmemory

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

  Outputimpedance:3Ω

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

LOUT

ROUT

VD5

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

– 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 DC12VTerminal,PowerSupplyCircuit,Filter,PowerAmplier,

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 A0A0#B0C1C1#D1D1#E1

SI0 A0A0#B0C1C1#D1D1#E1

FI1 F1F1#G1G1#A1A1#B1C2

SI1 F1F1#G1G1#A1A1#B1C2

FI2 C2#D2D2#E2F2F2#G2G2#

SI2 C2#D2D2#E2F2F2#G2G2#

FI3 A2A2#B2C3C3#D3D3#E3

SI3 A2A2#B2C3C3#D3D3#E3

FI4 F3F3#G3G3#A3A3#B3C4

SI4 F3F3#G3G3#A3A3#B3C4

FI5 C4#D4D4#E4F4F4#G4G4#

SI5 C4#D4D4#E4F4F4#G4G4#

FI6 A4A4#B4C5C5#D5D5#E5

SI6 A4A4#B4C5C5#D5D5#E5

FI7 F5F5#G5G5#A5A5#B5C6

SI7 F5F5#G5G5#A5A5#B5C6

FI8 C6#D6D6#E6F6F6#G6G6#

SI8 C6#D6D6#E6F6F6#G6G6#

FI9 A6A6#B6C7C7#D7D7#E7

SI9 A6A6#B6C7C7#D7D7#E7

FI10 F7F7#G7G7#A7A7#B7C8

SI10 F7F7#G7G7#A7A7#B7C8

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

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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