Casio CDP-130 Troubleshooting guide

CDP-130
JAN. 2014

CDP-130
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BLOCK AND WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PCB INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PARTS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

CDP-130
– 1 –
SPECIFICATIONS
Keyboard
Touch Response
88-key piano keyboard
3 types, Off
Maximum Polyphony 48 notes (24 for certain tones)
Tones
Built-in Tones 10; with layer
Hall On, Off
Reverb 1 to 10, Off
Chorus 1 to 5, Off
Demo Songs 5 songs
Metronome
Beats
Tempo Range
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
30 to 255
Other Functions
Transpose
Tuning
±1 octaves (−12 to +12 semitones)
A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
MIDI 16 multi-timbre received, GM Level 1 standard
Inputs/Outputs
USB port
Damper Pedal jack
Phones/Output jack
TYPE B
Standard jack
Stereo standard jack
Output Impedance: 3 Ω, Output Voltage: 1.5 V (RMS) MAX
Power Jack 12 V DC
Power Supply
AC Adaptor
Auto Power Off
AD-A12150LW
• The AC adaptor can be used safely in areas up to 4,000 meters
above sea level.
30 minutes after last key operation, Auto Power Off can be disabled.
Speakers
Output
(12 cm × 6 cm oval) × 2
8 W + 8 W
Power Consumption 12 V =18 W
Dimensions 132.2 × 28.6 × 12.9 cm (52 1/16 × 11 1/4× 5 1/16 inch)
Weight Approximately 10.8 kg (23.8 lbs)

CDP-130
– 2 –
BLOCK AND WIRING DIAGRAM
Keyboard PCB
(M914-KYA1)
Main PCB
(M914-MDA1)
Power & Amp PCB (M914-PSA1)
Keyboard PCB
(M914-KYB1)
Keyboard PCB
(M914-KYC1)
POWER SWITCH
DC 12 V (J3)
CN802 (16 pin) CN804 (16 pin) CN805 (16 pin)
CN803 (30 pin)
CN14 (30 pin)
CN11 (11 pin)
CN3 (11 pin)
CN2 (2 pin)
CN1 (2 pin)
CN20 (5 pin)
CN4 (5 pin)
PHONES/OUTPUT
(J2)
DAMPER PEDAL
(J5)
SPEAKER (L)
SPEAKER (R)
MAIN VOL. (VR1)
CN801 (16 pin)
FI0~FI10,
SI0~SI10,
KC0~KC7
LOUT, ROUT
KI0~KI2, KC0, KC1
PEDAL,
APO, POFF,
MUTE, MIC IN
MPU
IC7
Headphones
Amplifier
IC1
Power
Amplifier
IC2
MA1~MA22
MD0~MD15
Flash Memory
(64 Mbit)
IC2
USB (CN19)
Filter
IC5
Power Supply Circuit
IC6, C24, C25,
C27, C33, C35
VD3
VCP
Power
Supply Circuit
IC3, Q4, D1
Power Supply Circuit
IC3, Q4, D1,
C40~C45
VA5 VD5
VD5VA5
LOUT
ROUT
D2
BUTTONS

CDP-130
– 3 –
PCB INFORMATION
M914-MDA1M914-PSA1
M914-KYA1 M914-KYB1 M914-KYC1
Parts Name PCB Name Functions
Main PCB
PCB UNIT/MAIN M914-MDA1 MPU, Flash memory, Power supply circuit, Filter,
USB port
Power & Amp PCB
PCB UNIT/POWER & AMP M914-PSA1
Power supply circuit, Power amplifier,
Headphones amplifier, Buttons, Power switch,
Main volume, DC 12 V terminal,
DAMPER PEDAL jack, PHONES/OUTPUT jack
Keyboard PCB
PCB UNIT/KEYBOARD
M914-KYA1
KeyboardM914-KYB1
M914-KYC1

CDP-130
– 4 –
CIRCUIT DESCRIPTION
Y 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
Y Key Matrix
Each key has two contacts, the first contact and second contact .
[NOTE] The diagram below illustrates how the contacts work.
Key
Second contact
 First contact 
FI
KC
SI
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

CDP-130
– 5 –
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
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
Y Button Matrix
SWO0 SWO1
SWI3 HALL GRAND PIANO 1
SWI4 FUNCTION METRONOME
SWI5 DEMO ELEC PIANO 1

CDP-130
– 6 –
PRINTED CIRCUIT BOARDS
Main PCB: M914-MDA1 Power & Amp PCB: M914-PSA1

CDP-130
– 7 –
Keyboard PCB: M914-KYA1
Keyboard PCB: M914-KYB1

CDP-130
– 8 –
Keyboard PCB: M914-KYC1