CASIO CDP-130 Service Manual
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
SPECIFICATIONS
CDP-130
Keyboard
Touch Response
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
Other Functions
Transpose
Tuning
MIDI 16 multi-timbre received, GM Level 1 standard
88-key piano keyboard
3 types, Off
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
30 to 255
±1 octaves (−12 to +12 semitones)
A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
Inputs/Outputs
USB port
Damper Pedal jack
Phones/Output jack
Power Jack 12 V DC
Power Supply
AC Adaptor
Auto Power Off
Speakers
Output
Power Consumption 12 V = 18 W
Dimensions 132.2 × 28.6 × 12.9 cm (52
Weight Approximately 10.8 kg (23.8 lbs)
TYPE B
Standard jack
Stereo standard jack
Output Impedance: 3 Ω, Output Voltage: 1.5 V (RMS) MAX
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.
(12 cm × 6 cm oval) × 2
8 W + 8 W
1
/16 × 11 1/4 × 5 1/16 inch)
– 1 –
BLOCK AND WIRING DIAGRAM
CDP-130
Keyboard PCB
(M914-KYA1)
Main PCB
(M914-MDA1)
Filter
CN20 (5 pin)
CN801 (16 pin)
KI0~KI2, KC0, KC1
LOUT, ROUT
IC5
PEDAL,
APO, POFF,
MUTE, MIC IN
VA5
CN11 (11 pin)
Keyboard PCB
(M914-KYB1)
CN802 (16 pin) CN804 (16 pin) CN805 (16 pin)
CN803 (30 pin)
CN14 (30 pin)
FI0~FI10,
SI0~SI10,
KC0~KC7
USB (CN19)
MPU
IC7
Power Supply Circuit
VD5
IC6, C24, C25,
C27, C33, C35
VD3
Keyboard PCB
(M914-KYC1)
MA1~MA22
MD0~MD15
Flash Memory
(64 Mbit)
IC2
CN3 (11 pin)
VD5VA5
Power Supply Circuit
Power
IC3, Q4, D1,
Supply Circuit
C40~C45
IC3, Q4, D1
D2
DC 12 V (J3)
CN4 (5 pin)
DAMPER PEDAL
(J5)
POWER SWITCH
VCP
BUTTONS
MAIN VOL. (VR1)
LOUT
ROUT
Power & Amp PCB (M914-PSA1)
PHONES/OUTPUT
(J2)
Headphones
Amplifier
IC1
Power
Amplifier
IC2
SPEAKER (L)
CN1 (2 pin)
CN2 (2 pin)
SPEAKER (R)
– 2 –
PCB INFORMATION
M914-MDA1M914-PSA1
M914-KYA1 M914-KYB1 M914-KYC1
Parts Name PCB Name Functions
Main PCB
CDP-130
PCB UNIT/MAIN M914-MDA1
Power & Amp PCB
PCB UNIT/POWER & AMP M914-PSA1
Keyboard PCB
M914-KYA1
PCB UNIT/KEYBOARD
M914-KYC1
MPU, Flash memory, Power supply circuit, Filter,
USB port
Power supply circuit, Power amplifi er,
Headphones amplifi er, Buttons, Power switch,
Main volume, DC 12 V terminal,
DAMPER PEDAL jack, PHONES/OUTPUT jack
KeyboardM914-KYB1
– 3 –
Nomenclature of Keys
Y
A#1A#0 G#1F#1D#1C#1 A#6G#6F#6D#6C#6
CIRCUIT DESCRIPTION
F#3G#3 A#3 C#4D#4 F#4G#4A#4 C#5D#5 F#5 G#5A#5
D#3
C#3A#2G#2F#2D#2C#2
CDP-130
A#7G#7F#7D#7C#7
C1 D1 E1 F1 G1 A1 B1A0 B0
Key Matrix
Y
Each key has two contacts, the fi rst contact and second contact .
[NOTE] The diagram below illustrates how the contacts work.
Second contact
FI0 A0
C2 D2 E2 F2 G2 A2 B2 C3 D3 E3
Key
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
First contact
A0#
F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6
FI
B0
C1
KC
SI
C1#
D1
B6A6G6F6E6D6 C7
D1#
E1
B7A7G7F7E7D7 C8
SI0 A0
FI1 F1
SI1 F1
FI2 C2#
SI2 C2#
FI3 A2
SI3 A2
FI4 F3
SI4 F3
FI5 C4#
SI5 C4#
FI6 A4
SI6 A4
A0#
F1#
F1#
D2
D2
A2#
A2#
F3#
F3#
D4
D4
A4#
A4#
B0
G1
G1
D2#
D2#
B2
B2
G3
G3
D4#
D4#
B4
B4
C1
G1#
G1#
E2
E2
C3
C3
G3#
G3#
E4
E4
C5
C5
C1#
A1
A1
F2
F2
C3#
C3#
A3
A3
F4
F4
C5#
C5#
D1
A1#
A1#
F2#
F2#
D3
D3
A3#
A3#
F4#
F4#
D5
D5
D1#
B1
B1
G2
G2
D3#
D3#
B3
B3
G4
G4
D5#
D5#
E1
C2
C2
G2#
G2#
E3
E3
C4
C4
G4#
G4#
E5
E5
– 4 –
CDP-130
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
FI7 F5
SI7 F5
FI8 C6#
SI8 C6#
FI9 A6
SI9 A6
FI10 F7
SI10 F7
Button Matrix
Y
SWI3 HALL GRAND PIANO 1
F5#
F5#
D6
D6
A6#
A6#
F7#
F7#
G5
G5
D6#
D6#
B6
B6
G7
G7
SWO0 SWO1
G5#
G5#
E6
E6
C7
C7
G7#
G7#
A5
A5
F6
F6
C7#
C7#
A7
A7
A5#
A5#
F6#
F6#
D7
D7
A7#
A7#
B5
B5
G6
G6
D7#
D7#
B7
B7
C6
C6
G6#
G6#
E7
E7
C8
C8
SWI4 FUNCTION METRONOME
SWI5 DEMO ELEC PIANO 1
– 5 –
PRINTED CIRCUIT BOARDS
Main PCB: M914-MDA1 Power & Amp PCB: M914-PSA1
CDP-130
– 6 –
Keyboard PCB: M914-KYA1
CDP-130
Keyboard PCB: M914-KYB1
– 7 –
Keyboard PCB: M914-KYC1
CDP-130
– 8 –
CDP-130
DISASSEMBLY
About Repair
Y
• The fi gures in this chapter show CDP-120, so the components used may differ from CDP-130.
• To avoid damages to the instrument and fl oor, lay the instrument on a mattress or blanket
before starting disassembling.
• There are several kinds of screws. Be sure to use the correct type of screws when
reassembling. It is advisable to sort the screws as shown below after removing them.
• If a screw cap is attached to the screw, remove it. Be sure to reattach the screw cap when
assembling.
• Check how cables are wired before removing cables. Be sure to wire the cables in the same
manner as they were before disassembly.
• In case cables are secured with cable ties, securing bands, clips, or tapes, remove them fi rst.
Be sure to secure the cables in place in the same manner as they were before disassembly.
Before Starting Repair or Servicing
Y
• Remove the AC adaptor, AC cord or batteries.
• Remove accessories such as the music stand.
Flowchart
Y
Assembled Product
A. Panel Units
B. PCB UNIT/MAIN
C. PCB UNIT/POWER & AMP
D. SPEAKER
Disassembly of the Keyboard Unit
E. Keyboard Unit
A. KEY
B. HAMMER UNIT
C. PCB UNIT/KEYBOARD
– 9 –
Disassembly Procedure
Y
A. Remove the Panel Units
Main Panel Unit Right Panel UnitLeft Panel Unit
A-1. Undo 10 or six screws on the bottom surface.
[NOTE] To remove only the Main Panel Unit, undo six screws indicated with red circles in the
fi gure below.
CDP-130
A-2. Undo eight or four screws and then remove eight or four LOWER COVER.
[NOTE] To remove only the Main Panel Unit, undo four screws and remove the four LOWER
COVER indicated with red circles in the fi gure below.
A-3. You will see a screw inside when you remove an LOWER COVER. Undo and remove the screw
through each opening (eight or four screws in total).
[NOTE] Do not drop the screws inside the unit.
[NOTE] Do not touch the hammer with the screwdriver while loosening the screws.
LOWER COVER
– 10 –
A-4. Place the digital piano with keyboard facing up.
A-5. Lift the Main Panel Unit and turn it over.
[NOTE] The Main Panel Unit is connected to the lower case with the cables. Use caution when
turn over the Main Panel Unit.
A-6. Unlock the connector and disconnect the fl at cable.
A-7. Disconnect two connectors and then remove the Main Panel Unit.
Main Panel Unit
CDP-130
Connector
(Left speaker)
Connector
(Right speaker)
Flat cable
(KYB1 PCB)
– 11 –
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