Casio CELVIANO AP-200 Troubleshooting guide

ELECTRONIC KEYBOARD
(without price)
AP-200
FEB. 2008
Ver.1 : Aug. 2008
AP-200
INDEX

CONTENTS
SPECIFICATIONS ------------------------------------------------------------------------------------------ 1
BLOCK AND WIRING DIAGRAM --------------------------------------------------------------------- 2
PCB LAYOUT ----------------------------------------------------------------------------------------------- 3
CIRCUIT DESCRIPTION --------------------------------------------------------------------------------- 4
PRINTED CIRCUIT BOARDS -------------------------------------------------------------------------- 5
DISASSEMBLY --------------------------------------------------------------------------------------------10
DIAGNOSTIC PROGRAM ------------------------------------------------------------------------------21
EXPLODED VIEW ----------------------------------------------------------------------------------------24
PARTS LIST ------------------------------------------------------------------------------------------------26
SCHEMATIC DIAGRAMS -------------------------------------------------------------------------------30

– 1 –
SPECIFICATIONS
Keyboard: 88-key piano keyboard, with Touch Response
Maximum Polyphony: 128 notes
Tones: 11
• Layer (excluding bass tones)
• Split (Low-range bass tones only)
Effects : Brilliance (–3 to 0 to 3), Reverb (4 types), Chorus (4 types), Acoustic Resonance
Metronome : • Beats: 0, 2, 3, 4, 6
• Tempo Range: 20 to 255
Duet : Adjustable tone range (–2 to 0 to 1 octaves)
Music Library : • Number of Songs: 60
• 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 flash memory
Pedals : Damper, soft, sostenuto
Other Functions : • Touch Select: 3 types, Off
• Transpose: ±1 octaves (–12 to 0 to 12)
• Tuning: A4 = 440.0 Hz ±99 cents (variable)
• Operation Lock
MIDI : 16-channel multi-timbre receive
Inputs/Outputs : • PHONES jack: Stereo standard jacks × 2
Output impedance: 170Ω
Output Voltage: 5.6V (RMS) MAX
• Power: 12V DC
• MIDI OUT/IN terminals
• Pedal connector
Speakers: Φ 12cm × 2 (Output 8W + 8W)
Power Requirements : AC Adaptor: AD-12
Power Consumption : 12V 18W
Dimensions : Digital Piano and Stand: 139.5 (W) × 43.2 (D) × 83.8 (H) cm (54 15/16 × 17 × 33 inch)
Weight : Digital Piano and Stand: approximately 37.5 kg (82.7 lbs)

– 2 –
BLOCK AND WIRING DIAGRAM
SD-RAM (64Mbit)
IC2
Reset IC
IC1
RESET
12MHz
SAD0 ~ SAD12,
SDBA0,SDBA1
SDD0 ~ SDD15
D8 ~ MD15
Power Amplifier
IC201
OPERATIONAL
AMPLIFIER
IC206
FLASH (128Mbit)
IC6
PS-RAM (16Mbit)
IC7
A1 ~ A20
D0 ~ D15
Keyboard Keyboard Keyboard
Power Supply Circuit
IC202,Q206,Q207
(12V)
VA12
(5V)
VD5
(5V)
VE5
(12V)
VC
Speakers
(L) (R)
Main
Volume
CONSOLE PCB
(M333-CNA1)
CONSOLE PCB
(
M333
-CNA4)
Keyboard PCB
(MCZS-KYB1)
Keyboard PCB
(MCZS-KYC1)
Keyboard PCB (MCZS-KYA1)
SUB PCB
(M333-PSA1)
CONSOLE PCB (M 333 -CNA3)
CONSOLE PCB
(M333-CNA2)
CONSOLE PCB
( M333 -CNA5)
MAIN PCB (M333-MDA1)
Buttons
LOUT
ROUT
MPU
IC5
Control signal
SIN2/SOUT2
Power
Switch
DAC
IC10
SI0 ~ SI10 FI0 ~ FI10 KC0 ~ KC7
KEY CONTROLLER
IC11
CN9CN2
CN211 CN212 CN601
CN605
CN803 CN804 CN805
CN802 CN801
CN602
CN206
CN203
CN207
CN603
CN19
CN609CN610
CN606 CN201
CN209
CN204
CN14

– 3 –
PCB LAYOUT
PCB Components
MAIN PCB M333-MDA1 MPU, Reset IC, RAM(64Mbit), FLASH memory(128Mbit),
ROM(16Mbit), DAC, Key controller
SUB PCB M333-PSA1 Power supply circuit, Power amplifer
Console PCBs M333-CNA1 Main volume
M333-CNA2 Button
M333-CNA3 DC 12V terminal, DAMPER PEDAL
M333-CNA4 MIDI OUT/IN terminals
M333-CNA5 Phones jack
Front Front
M333-PSA1 PCBM333-CNA3 PCB
M333-CNA5 PCB
M333-MDA1 PCB
M333-CNA1 PCB
M333-CNA4 PCB
M333-CNA5 PCB

– 4 –
CIRCUIT DESCRIPTION
KEY MATRIX
NOMENCLATURE OF KEYS
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
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
SWB SWC SWD SWE
SI0
SONG
/
MODERN METRONOME
SI1 L / R RECORDER CLASSIC
TONE/
SETTING

– 5 –
PRINTED CIRCUIT BOARDS
Main PCB M333-MDA1
Top View
Bottom View

– 6 –
Sub PCB M333-PSA1
Top View
Bottom View

– 7 –
Console PCB M333-CNA1
Top View
Bottom View

– 8 –
Console PCB M.333-CNA3
Console PCB M333-CNA2
Top View Bottom View
Top View Bottom View
Console PCB M333-CNA4
Top View
Bottom View

– 9 –
Console PCB M333-CNA5
Top View Bottom View
Keyboard PCB MCZS-KYA1
Keyboard PCB MCZS-KYB1
Keyboard PCB MCZS-KYC1

– 10 –
DISASSEMBLY
1. Remove the AC adaptor, Pedal cord and Music stand.
2. To damage neither the floor nor the main body, the main body is put on the mat or the blanket, etc.
3. Remove 2 screws.
4. Remove the top board.
Connector
Pedal cord
Music stand

– 11 –
5. Remove the 2 screws and the 2 stoppers on the left and right ends.
6. Remove the key cover.
Key cover
Stoppers

– 12 –
8. Removing the M333-MDA1 PCB
8-1. Remove the twist ties that hold the FPC cables in place.
8-2. Remove the 3 connectors.
8-3. Remove the connector, release the lock and then remove the FPC.
7. Remove the twist ties that hold the 16 cables in place.
M333-PSA1 PCB M333-MDA1 PCBM333-CNA3 PCB
M333-CNA5 PCB
Connector
(M333-PSA1)
Connector
(M333-CNA1)
Connector
(Pedal)
FPC
(Keyboard)
8-4. Remove 4 screws and the M333-MDA1 PCB.

– 13 –
9. Removing the M333-PSA1 PCB
9-1. Remove the 7 connectors.
Connector
(M333-CNA3)
Connector
(M333-CNA5)
Connector
(M333-CNA1)
Connector
(Speaker(R))
Connector
(Speaker(L))
Connector
(M333-CNA4)
Connector
(M333-CNA2)
Connector
(Power SW)
Ferrite core
M333-CNA3 PCB
M333-CNA5 PCB
9-2. Remove 5 screws and the M333-PSA1 PCB.
10. Removing the M333-CNA3 PCB and M333-CNA5 PCB
10-1. Remove the screw and the Ferrite core.
10-2. Remove the connector.
10-3. Remove 2 screws and the M333-CNA5 PCB and bracket.
10-4. Remove 2 screws and the M333-CNA3 PCB and bracket.

– 14 –
10-5. Remove 3 screws and the M333-CNA3 PCB.
Pedal connector
Ferrite core
10-6. Remove 2 screws and the M333-CNA5 PCB.
11. Removing the M333-CNA3 PCB and M333-CNA5 PCB
11-1. Remove the screw and the Ferrite core.
11-2. Remove 2 screws and the Pedal connector.

– 15 –
13. Remove 4 screws and the CN-PANEL.
CN-PANEL
12. Remove 8 screws and 2 speakers.
14. Remove 2 nuts.

– 16 –
15. Removing the Side block
15-1. Remove 4 screws (left and right).
15-2. Remove the side units (left and right).
<The left side> <The right side>
16. Disassembling the left side unit (M333-CNA1 PCB, M333-CNA2 PCB)
16-1. Remove 2 screws and the M333-CNA2 unit.
16-2. Remove 2 nuts and the M333-CNA2 PCB.
M333-CNA2 PCB
M333-CNA1 PCB

– 17 –
16-3. Remove 4 screws.
16-4. Remove the volume knob and the rubber key and M333-CNA1 PCB.
M333-CNA1 PCB
Rubber key
Power switch
17. Disassembling the right side unit (Power switch)
17-1. Remove 2 screws and the Power switch.

– 18 –
18. Removing the M333-CNA4 PCB
18-1. Remove 6 screws and the front board assy.
18-2. Remove 2 screws and the M333-CNA4 PCB.
M333-CNA4 PCB