Casio CDP-100 User manual

ELECTRONIC KEYBOARD
CDP-100
AUG. 2005
CDP-100

CONTENTS
Specifications ---------------------------------------------------------------------------------------------- 1
Block Diagram --------------------------------------------------------------------------------------------- 2
Circuit Description --------------------------------------------------------------------------------------- 3
Printed Circuit Board ------------------------------------------------------------------------------------ 4
Disassembly ------------------------------------------------------------------------------------------------ 7
Diagnostic Program------------------------------------------------------------------------------------ 11
Exploded View ------------------------------------------------------------------------------------------- 13
Parts List--------------------------------------------------------------------------------------------------- 14
Schematic Diagrams----------------------------------------------------------------------------------- 17

— 1 —
SPECIFICATIONS
GENERAL
Keyboard: 88 piano keys (with touch response)
Polyphony: 32 notes, maximum
Tones: 5; with layer
Digital Effects: Reverb (4 types), Chorus (4 types)
Built-in Tunes: 5
Pedal: Damper
Other Functions: • Touch: 3 types, off
• Transpose: 1 octave (F# to C to F)
• Tuning: A4 = 440.0Hz ± 50 cents (adjustable)
MIDI: 16 multi-timbre receive
Input/Output: • Headphones: Stereo mini jack
Output Impedance: 170
Output Voltage: 4.8V (RMS) MAX
• Pedal : Standard jack
• Power : 12V DC
• MIDI (OUT) (IN)
Speakers: (12cm x 6cm) x 2 (Output: 8.0W + 8.0W)
Power Supply: AC Adaptor: AD-12
Power Consumption: 12V 18W
Dimensions: 132.3 x 27.8 x 13.2 cm (52 2/16 x 10 15/16 x 5 3/16 inch)
Weight: Approximately 11.2 kg (24.7 lbs)
• Design and specifications are subject to change without notice.
ELECTRICAL
Load condition
Current drain with 12 V DC:
Speaker: 6 Real Load
Volume: maximum
Tone: STRINGS (Reverb:ON, Chorus:OFF)
Keys: A0 - D5, 32poly (Velocity:maximum)
Consumption Current 1500 mA ± 30 %
Consumption Current at idle 175 mA ± 20 %
Speaker output level (Vrms with 6 load each channel):
Tone: STRINGS
Velocity: maximum L ch(Key=B0): 2500 mV ± 20 %
R ch(Key=B2): 2370 mV ± 20 %
Phone output level (Vrms with 32 load each channel):
Tone: STRINGS
Velocity: maximum L ch(Key=B3): 170 mV ± 20 %
R ch(Key=B2): 165 mV ± 20 %
Output level (Vrms with 47K load each channel):
Tone: STRINGS
Velocity: maximum L ch(Key=B3): 1050 mV ± 20 %
R ch(Key=B2): 1050 mV ± 20 %

— 2 —
BLOCK DIAGRAM
CONSOLE PCB (M403-CNA1)
Keyboard PCB
(MCPZ-KYA1/
MCPZ-KYB2)
SUB PCB
(M403-PSA1)
MAIN PCB
(M403-MDA1)
RESET
BCK, SD0, LRCK
FI0 ~ 10
SI0 ~ 10
Filter
IC202, IC203
NE5532P
D/A Converter
IC3
uPD63200GS
Power Amplifier
IC201
LA4636 Power Supply Circuit
Q202 ~ Q205,
D203, D204, D205, D208, D209
VD5
(5V) VC
(12V)
MUTE
Speakers
(L) (R)
Phones/Output
LOUT ROUT
VA5
(5V)
RAM (2MB)
IC5
CY62126DV30LL55ZXI
ROM (4MB)
IC2
MR27T3202L033TN03D
Keyboard
MA1 ~ MA21
MA1 ~ MA16
SUB PCB
(M403-PSA2)
JACK PCB (M403-JKA1) JACK PCB
(M403-JKB1)
MD0 ~ MD15
MD0 ~ MD15
MIDI IN
OUT
Q206 D206
MPU
IC7
ML6763-NNWA-116
CHORUSREVERB
Main
Volume
AC ADAPTOR
DC 12V DAMPER
Reset IC
IC4
RN5VD28AA
AND Gate
IC6
74VHCT08
Buttons
KC0 ~ 7
KC0 ~ 2
KI0 ~ 2 LD1 LD2
Q201, D202

—3 —
CIRCUIT DESCRIPTION
KEY MATRIX
NOMENCLATURE OF KEYS
F#3G#3A#3 C#4D#4 F#4G#4A#4 C#5D#5 F#5G#5A#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
BUTTON MATRIX
KC1
G.PIANO 1
E.PIANO
G.PIANO 2
KC0
FUNCTION
DEMO
KI0
KI1
KI2
KC2
STRINGS
HAPPSI-
CHORD
REVERB/
CHORUS
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

— 4 —
PRINTED CIRCUIT BOARDS
Top View
Bottom View
MAIN PCB M403-MDA1

— 5 —
SUB PCB M403-PSA1
Top View
Top View
SUB PCB M403-PSA2 CONSOLE PCB M403-CNA1
Top View

— 6 —
JACK PCB M403-JKB1
Top View
KEYBOARD PCB MCPZ-KYA1
Top View
KEYBOARD PCB MCPZ-KYB2
Top View
JACK PCB M403-JKA1
Top View

— 7 —
DISASSEMBLY
1. Remove 25 screws on the bottom.
2. Remove the lower panel and then 10 screws.
3. Position the main unit, so the main unit faces upward.
4. Remove 2 screws on the right side and 2 screws on the left side of the unit, and then remove side covers on
both sides.
5. Remove 10 screws on both sides, and then lift the front panel up.
6. Remove the connector then the front panel.
CN3

— 8 —
■ Removing the speaker
7. Remove 2 connectors.
8. Remove 7 screws then the speaker cover.
* Take the same procedure for the speaker on the right side.
9. Remove 4 screws then the speaker.
* Take the same procedure for the speaker on the right side.
CN206
CN207
■ Removing the PCBs (M403-MDA1, M403-PSA1, M403-PSA2, and M403-CNA1).
10. Remove the volume knob.
11. Remove 2 connector and 4 screws then the PCB (M403-MDA1).
12. Remove 6 screws and then the PCB (M403-PSA1).
12. Remove 3 screws and then the PCB (M403-PSA2).
13. Remove 11 screws and then the PCB (M403-CNA1).
CN1
CN2
M403-MDA1 PCB
M403-PSA1 PCB
(M403-PSA2 PCB
M403-MDA1 PCB