How it Works
Casio
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AP260
User Guide
49 pgs1.84 Mb0
User Manual [ru]
49 pgs2.48 Mb0
Table of contents
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Casio AP260 Service Manual

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Page 1

AP-260

SEP. 2014
Ver. 1 : Nov. 2014
Page 2
AP-260

CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BLOCK AND WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
PCB INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DIAGNOSTIC PROGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
PARTS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Page 3

SPECIFICATIONS

Keyboard 88-key piano keyboard, with Touch Response Maximum Polyphony 128 notes Tones 18
• Layer (excluding a bass tone)
• Split (A low-range bass tone only)
Effects Brilliance (–3 to 0 to 3), Reverb (4 types), Chorus (4 types), DSP,
Damper Resonance (Damper noise enable/disable)
Metronome • Beats: 0 to 9
• Tempo Range: 20 to 255
Duet Adjustable tone range (–1 to 2 octaves) Concert Play • Number of Songs: 10
• Song volume: Adjustable
• Part On/Off: L, R (in the Lesson Mode only)
• 3 Modes: LISTEN, LESSON, PLAY
AP-260
Music Library • Number of Songs: 60, User Songs: 10 songs (Up to approximately 90
KB per song, approximately 900 KB for 10 songs)* * Based on 1 KB = 1024 bytes, 1 MB = 1024
• 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 fl ash memory
Pedals Damper (with half-pedal operation), soft, sostenuto Other Functions • Touch Select: 3 types, Off
• Transpose: 2 octaves (–12 to 0 to 12)
• Tuning: A4 = 415.5 Hz to 440.0 Hz to 465.9 Hz (variable)
• Temperament
• Octave shift
• Operation lock
MIDI 16-channel multi-timbre receive
2
bytes
Inputs/Outputs • PHONES jacks: Stereo standard jacks × 2
Output impedance: 3 Ω Output Voltage: 1.5 V (RMS) MAX
• Power: 12 V DC
• USB port: TYPE B
• Pedal connector
Speakers
φ
12 cm × 2 (Output 8 W + 8 W)
– 1 –
Page 4
Power Requirements AC Adaptor: AD-A12150LW
• Auto Power Off: Approximately 4 hours after last operation. Auto Power Off can be disabled.
• The AC adaptor can be used safely in areas up to 4,000 meters above sea level.
Power Consumption 12 V = 18 W
AP-260
Dimensions Digital Piano and Stand:
137.7 (W) × 43.2 (D) × 84.0 (H) cm (54
1
/4 × 17 × 33 1/8 inch)
Weight Digital Piano and Stand: approximately 39.5 kg (87.1 lbs)
– 2 –
Page 5

BLOCK AND WIRING DIAGRAM

KEYBOARD PCB (M920-KYA1) KEYBOARD PCB (M920-KYB1) KEYBOARD PCB (M920-KYC1)
AP-260
MAIN PCB (M920-MDA1)
Power Supply Circuit
IC3, IC4, IC10,
C144~C149,
C152~154, C158
VD5 VA12 VA5 VDP3
VA12 VA5 VDP3 VH5
VD5
Power Supply Circuit
IC2~IC6, C10~C17,
C22~C25, C30~C34, C41~C43,
C45, C46, D10
VCP
DC (J2)
VD18 VD1 VD3
Schmitt Trigger
IC7
APO
CN16 (13 pin)
CN1 (13 pin)
APO
POWER & AMP PCB (M920-PSA1)
CN801 (17 pin)
HPDT, HPMUTE, SPMUTE
Filter IC14
Preamp
IC12
LR
Headphones
Amplifier
IC7
VD5
CN3 (7 pin)
CN701 (7 pin)
HEADPHONES PCB (M920-HPA1)
CN802 (17 pin)
KI0~KI21, KS0~KS2, KB0~KB3
L
DAC
IC6
R
Power
Amplifier
IC1
POWER LAMP (J702)
PHONES (J701)
CN803 (30 pin)
CN3 (30 pin)
MPU
IC9
CN6 (2 pin)
CN9 (2 pin)
CN804 (17 pin)
Control Signal
SPEAKER (R)
SPEAKER (L)
USB (CN13)
DA0~DA13
DQ0~DQ15
RD0~RD7
CN805 (17 pin)
SDRAM
(512 Mbit)
IC8
EEPROM
(1 Gbit)
IC2
PWSW
PEDAL CONNECTOR
CN8 (5 pin)
KI0~KI2, KC0~KC2, LDH0~LDH2, LDL0~LDL2, VOL
CN1 (16 pin)
CN601 (16 pin)
POWER
POWER SWITCH
SWITCH
CN602 (3 pin)
CN603 (3 pin)
VOLUME (VR601)
CONSOLE PCB (M920-CNA1)
BUTTON & LED
BUTTON & LED
CONSOLE PCB
(M920-CNA2)
– 3 –
Page 6

PCB INFORMATION

AP-260
M920-MDA1M920-PSA1M920-CNA1M920-CNA2
M920-KYB1M920-KYA1M920-HPA1
Parts Name PCB Name Functions
Main PCB
MPU, SDRAM, EEPROM, Power supply circuit,
PCB UNIT/MAIN M920-MDA1
Power & Amp PCB
PCB UNIT/POWER & AMP M920-PSA1
Console PCB
M920-CNA1 Power switch, Buttons, Button LED
PCB UNIT/CNA
M920-CNA2 Volume
Headphones PCB
PCB UNIT/HPA1 M920-HPA1 Power lamp, PHONES jacks
Keyboard PCB
M920-KYA1
PCB UNIT/ KY and RUBBER CONTACT
M920-KYC1
Preamp, Filter, DAC, APO circuit, USB port, Pedal connector
Power supply circuits, Power amplifi er, Headphones amplifi er, Speakers, DC Terminal
KeyboardM920-KYB1
M920-KYC1
– 4 –
Page 7
AP-260

CIRCUIT DESCRIPTION

Y
Nomenclature of Keys
A0# C1# D1# F1# G1# A1# C2# D2# F2# G2# A2# C3# D3# F3# G3# A3# C4# D4# F4# G4# A4# C5# D5# F5# G5# A5# C6# D6# F6# G6# A6# C7# D7# F7# G7# A7#
A0 B0 C1 D1 E1 F1 G1 A1 B1 C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7 D7 E7 F7 G7 A7 B7 C8
Y
Key Matrix
Each key has three contacts, the fi rst contact , second contact  and third contact .
[NOTE] The diagram below illustrates how the contacts work.
KI0
KI1
KI2
KB (0-3)
KS0
KS1
KS2
First contact
Second contact
Third contact
KI (0-21)
KS0 KS1 KS2 KS0 KS1 KS2
A0
A0#
B0 C1
C1#
D1
D1#
E1 F1
F1#
G1
G1#
(KB0) A0
(KB1) A0# (KB2) B0 (KB3) C1
(KB0) C1# (KB1) D1
(KB2) D1# (KB3) E1
(KB0) F1
(KB1) F1# (KB2) G1
(KB3) G1#
(KB0) A0
(KB1) A0#
(KB2) B0
(KB3) C1
(KB0) C1#
(KB1) D1
(KB2) D1#
(KB3) E1
(KB0) F1
(KB1) F1#
(KB2) G1
(KB3) G1#
(KB0)
(KB1) F4#
(KB2) G4
(KB3) G4#
(KB0)
(KB1) A4#
(KB2) B4
(KB3) C5
(KB0)
(KB1) D5
(KB2) D5#
(KB3) E5
KI11
KI12
KI13
F4
(KB0) F4
(KB2) G4
A4
(KB0) A4
(KB2) B4
(KB3) C5
C5#
(KB1) D5
(KB3) E5
(KB1) F4#
(KB3) G4#
(KB1) A4#
(KB0) C5#
(KB2) D5#
(KB0) F4
(KB1) F4#
(KB2) G4
(KB3) G4#
(KB0) A4
(KB1) A4#
(KB2) B4
(KB3) C5
(KB0) C5#
(KB1) D5
(KB2) D5#
(KB3) E5
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1) (KB2) (KB3)
(KB0) (KB1)
(KB2) (KB3)
– 5 –
Page 8
KI3
KI4
KI5
KI6
KI7
KI8
KI9
KI10
KS0 KS1 KS2 KS0 KS1 KS2
A1
A1#
B1 C2
C2#
D2
D2#
E2 F2
F2#
G2
G2#
A2
A2#
B2 C3
C3#
D3
D3#
E3 F3
F3#
G3
G3#
A3
A3#
B3 C4
C4#
D4
D4#
E4
(KB0) A1
(KB1) A1#
(KB2) B1 (KB3) C2
(KB0) C2#
(KB1) D2
(KB2) D2# (KB3) E2 (KB0) F2
(KB1) F2# (KB2) G2
(KB3) G2# (KB0) A2
(KB1) A2# (KB2) B2 (KB3) C3
(KB0) C3# (KB1) D3
(KB2) D3# (KB3) E3 (KB0) F3
(KB1) F3# (KB2) G3
(KB3) G3# (KB0) A3
(KB1) A3# (KB2) B3 (KB3) C4
(KB0) C4# (KB1) D4
(KB2) D4# (KB3) E4
(KB0) A1
(KB1) A1#
(KB2) B1
(KB3) C2
(KB0) C2#
(KB1) D2
(KB2) D2#
(KB3) E2
(KB0) F2
(KB1) F2#
(KB2) G2
(KB3) G2#
(KB0) A2
(KB1) A2#
(KB2) B2
(KB3) C3
(KB0) C3#
(KB1) D3
(KB2) D3#
(KB3) E3
(KB0) F3
(KB1) F3#
(KB2) G3
(KB3) G3#
(KB0) A3
(KB1) A3#
(KB2) B3
(KB3) C4
(KB0) C4#
(KB1) D4
(KB2) D4#
(KB3) E4
(KB0)
(KB1) F5#
(KB2) G5
(KB3) G5#
(KB0)
(KB1) A5#
(KB2) B5
(KB3) C6
(KB0)
(KB1) D6
(KB2) D6#
(KB3) E6
(KB0)
(KB1) F6#
(KB2) G6
(KB3) G6#
(KB0)
(KB1) A6#
(KB2) B6
(KB3) C7
(KB0)
(KB1) D7
(KB2) D7#
(KB3) E7
(KB0)
(KB1) F7#
(KB2) G7
(KB3) G7#
(KB0)
(KB1) A7#
(KB2) B7
(KB3) C8
KI14
KI15
KI16
KI17
KI18
KI19
KI20
KI21
F5
(KB0) F5
(KB2) G5
A5
(KB0) A5
(KB2) B5
(KB3) C6
C6#
(KB1) D6
(KB3) E6
F6
(KB0) F6
(KB2) G6
A6
(KB0) A6
(KB2) B6
(KB3) C7
C7#
(KB1) D7
(KB3) E7
F7
(KB0) F7
(KB2) G7
A7
(KB0) A7
(KB2) B7
(KB3) C8
(KB1) F5#
(KB3) G5#
(KB1) A5#
(KB0) C6#
(KB2) D6#
(KB1) F5#
(KB3) G6#
(KB1) A6#
(KB0) C7#
(KB2) D7#
(KB1) F7#
(KB3) G7#
(KB1) A7#
(KB0) F5
(KB1) F5#
(KB2) G5
(KB3) G5#
(KB0) A5
(KB1) A5#
(KB2) B5
(KB3) C6
(KB0) C6#
(KB1) D6
(KB2) D6#
(KB3) E6
(KB0) F6
(KB1) F6#
(KB2) G6
(KB3) G6#
(KB0) A6
(KB1) A6#
(KB2) B6
(KB3) C7
(KB0) C7#
(KB1) D7
(KB2) D7#
(KB3) E7
(KB0) F7
(KB1) F7#
(KB2) G7
(KB3) G7#
(KB0) A7
(KB1) A7#
(KB2) B7
(KB3) C8
AP-260
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
(KB0)
(KB1)
(KB2)
(KB3)
Y
Button Matrix
SI0 FUNCTION
SI1
METRONOME,
SI2 ELEC. PIANO 1
SO0 SO1 SO2
a
,
GRAND PIANO
(MODERN)
RECORDER
(L/R)
DUET
START/STOP
DEMO
GRAND PIANO
(CONCERT)
– 6 –
Page 9

PRINTED CIRCUIT BOARDS

Main PCB: M920-MDA1 Power & Amp PCB: M920-PSA1
AP-260
– 7 –
Page 10
AP-260
Console PCB: M920-CNA1
Console PCB: M920-CNA2
Headphones PCB: M920-HPA1
Pedal PCB: M332-PDA1 Pedal PCB: M332-PDA2
Keyboard PCB: M920-KYA1
– 8 –
Page 11
Keyboard PCB: M920-KYB1
AP-260
Keyboard PCB: M920-KYC1
– 9 –
Page 12
AP-260

DISASSEMBLY

Y
About Repair
• The photos show a prototype of AP-250_BROWN, so the appearance of parts may slightly differ from the actual parts.
• 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 assembling. It is advisable to sort the screws as shown below after removing them.
• If a screw cap is attached to the screw, remove it. When assembling, reattach the screw cap.
• Check how cables are wired before removing cables. When assembling, wire the cables in the same manner as they were before disassembly.
• If a cable is bound by cable tie, tape or similar item, remove it as necessary. When assembling, bind the cable as it was before disassembly.
Y
Before Starting Repair or Servicing
• Remove the AC adaptor, AC cord or batteries.
• Remove accessories such as the music stand.
– 10 –
Page 13
AP-260
Y
Disassembly Procedures
Flowchart
[NOTE] Some of the major components may be removed/replaced without removing the piano unit
from the stand. Remove the piano unit from the stand as necessary according to the work environment and with due consideration for safety.
[NOTE] Parts indicated with a
with a White Box
Assembled Product
A. Pedal Unit
B. Stand
E. BOX/PCB
C. TOP BOARD UNIT
Gray Box must be removed when disassembling the parts indicated
in the following step.
F. PCB UNIT/MAIN
G. PCB UNIT/POWER & AMP
N. SPEAKER
D. KEY COVER UNIT
The piano unit must be removed from
the stand when performing a repair.
J. SIDE BOARD
DISASSEMBLY OF THE KEYBOARD UNIT
K. SIDE RACK UNIT
L. FRONT BOARD UNIT
M. PCB UNIT/HPA1
H. Console Unit I. PCB UNIT/CNA
E. BOX/PCB
O. KEYBOARD UNIT
A. KEY
B. HAMMER
C. PCB UNIT/KY AND RUBBER CONTACT
– 11 –
Page 14
A. Remove the Pedal Unit
A-1. Disconnect the plug for pedal unit from the pedal connector.
Plug for pedal unit
Clip
A-2. Undo six screws on the back surface.
AP-260
A-3. Undo four screws.
– 12 –
Page 15
A-4. Remove the PEDAL BOARD UNIT.
[NOTE] The piano unit and stand become slightly unstable when the PEDAL BOARD UNIT
removed. Use caution so that the piano unit doesn’t fall or the stand doesn’t fall over.
PEDAL BOARD UNIT
A-5. Turn the ADJUSTER to remove it.
ADJUSTER
AP-260
is
Caution When Completing Repair
• Be sure to adjust the ADJUSTER height. [NOTE] The pedal unit may be damaged if the pedal is operated without height adjustment.
– 13 –
Page 16
A-6. Undo eight screws and then remove the PEDAL UNIT.
PEDAL UNIT
Notes on Assembly
• Tighten the screws for the PEDAL UNIT in the order of the numbers shown below.
AP-260
7 8
3
21
65
4
– 14 –
Page 17
B. Remove the Stand
[NOTE] Disassembling or assembling the stand must be done by two or more people. [NOTE] When disassembling or assembling, take precautions, such as closing the key cover and
tape it closed, so as not to get a hand caught.
B-1. Disconnect the plug for pedal unit from the pedal connector.
Plug for pedal unit
Clip
AP-260
B-2. Undo two screws on the bottom surface.
B-3. Place the piano unit on the fl oor.
[NOTE] Please do so with the key cover closed.
Back surface
– 15 –
Page 18
AP-260
B-4. Undo eight screws on the back surface and then remove the BACK BOARD.
[NOTE] There are two types of screws. Be sure to use the correct screw when assembling.
BACK BOARD
B-5. Undo four screws and then remove the SIDE BOARD UNIT/LEFT, SIDE BOARD UNIT/RIGHT,
and PEDAL BOARD UNIT.
SIDE BOARD UNIT/RIGHT
SIDE BOARD UNIT/LEFT
PEDAL BOARD UNIT
– 16 –
Page 19
C. Remove the TOP BOARD UNIT
C-1. Undo three screws on the back surface.
C-2. Slide the TOP BOARD UNIT to remove it.
TOP BOARD UNIT
AP-260
Notes on Assembly
• Assemble the TOP BOARD UNIT so that the brackets on the TOP BOARD UNIT and those on the main case fi t.
– 17 –
Page 20
D. Remove the KEY COVER UNIT
D-1. Close the key cover. D-2. Undo one screw and then while lightly holding the damper in place, remove the SHAFT/for
KEY COVER (with the E-RING). [NOTE] Remove the other side in the same manner.
Damper
SHAFT/for KEY COVER
AP-260
D-3. Undo two screws on the bottom surface and then remove the SUPPORT BOARD.
SUPPORT BOARD
D-4. While slightly lifting the rear cover of the KEY COVER UNIT, slide the KEY COVER UNIT all
the way to the rear.
KEY COVER UNIT
– 18 –
Page 21
AP-260
D-5. Check that the sliding pin on both sides of the rear cover of the KEY COVER UNIT is visible
when seen from above the rail.
Pin
D-6. Lift the rear cover of the KEY COVER UNIT and then disengage the pins from the rail.
Pin
D-7. While lifting the KEY COVER UNIT, slide the KEY COVER UNIT further toward the rear. D-8. In the same manner as when disengaging the pins on the rear cover, disengage the pins on
the front cover from the rail and then remove the KEY COVER UNIT.
– 19 –
Page 22
AP-260
Notes on Assembly
• To assemble the SHAFT/for KEY COVER, slightly lift the KEY COVER UNIT while holding the damper in place, and position the hole to insert the SHAFT/for KEY COVER.
• Align the groove on the SHAFT/for KEY COVER to that on the damper.
DamperKEY COVER UNIT
SHAFT/for KEY COVER
E. Remove the BOX/PCB
[NOTE] If you perform the following steps while the piano unit is attached to the stand, use caution
as not to drop the BOX/PCB nor apply too much tension to the cables and connectors.
E-1. Undo four screws on the bottom surface.
BOX/PCB
– 20 –
Page 23
E-2. Slide the BOX/PCB to remove it.
[NOTE] The BOX/PCB and piano unit are connected with cables. Use caution when removing
the BOX/PCB.
[NOTE] Be sure to hold the BOX/PCB with a hand so as not to add tension to the cables and
connectors.
BOX/PCB
E-3. Disconnect six connectors and then remove the BOX/PCB.
[NOTE] Release the connector lock before disconnecting the fl at cable.
  
AP-260
Type Connected From Connected To (CN No.)
Harness HPA1 PCB PSA1 PCB (CN3) Harness Left speaker PSA1 PCB (CN9) Harness Right speaker PSA1 PCB (CN6) Harness CNA1 PCB MDA1 PCB (CN1)
Flat cable KYB1 PCB MDA1 PCB (CN3)
Harness Pedal connector MDA1 PCB (CN8)
– 21 –
Page 24
F. Remove the PCB UNIT/MAIN
F-1. Disconnect one connector. F-2. Undo fi ve screws and then remove the PCB UNIT/MAIN.
AP-260
PCB UNIT/POWER & AMP
(PSA1 PCB)
Connector
PCB UNIT/MAIN
(MDA1 PCB)
Notes on Assembly
• Connect the connector for the PSA1 PCB before assembling the MDA1 PCB to the BOX/PCB.
Connector
– 22 –
Page 25
G. Remove the PCB UNIT/POWER & AMP
G-1. Disconnect one connector. G-2. Undo six screws and then remove the PCB UNIT/POWER & AMP.
AP-260
PCB UNIT/POWER & AMP
(PSA1 PCB)
Connector
PCB UNIT/MAIN
(MDA1 PCB)
Notes on Assembly
• Connect the connector for the PSA1 PCB with the MDA1 PCB removed.
Connector
– 23 –
Page 26
H. Remove the Console Unit
H-1. Disconnect the connector for CNA1 PCB from the BOX/PCB.
[NOTE] Please refer to the “E. Remove the BOX/PCB”.
H-2. Undo nine screws.
[NOTE] The center bracket is screwed at a different hole position from the other brackets.
CENTER OTHEROTHER
AP-260
H-3. Lift the console unit until it warps slightly. While maintaining this state, disengage the joint of
the SIDE RACK UNIT and console unit on one side.
[NOTE] Do not apply too much force. Doing so may damage the digital piano.
[NOTE] Be careful not to damage the KEY
FEL
T.
SIDE RACK UNIT
Console unitKEY FELT
– 24 –
Page 27
H-4. Disengage the joint on the other side and remove the console unit.
Console unit
Caution When Replacing with New Parts
• Attach the KEY FELT as shown below.
Cut off any excess material
KEY FELT
2 ~ 4 mm 2 ~ 4 mm
AP-260
1 ± 0.5 mm
FABRIC TAPE/
10X42
CONSOLE PANEL/
LEFT & RIGHT
FABRIC TAPE/
10X42
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Page 28
I. Remove the PCB UNIT/CNA
[NOTE] The PCB UNIT/CNA consists of the CNA1 PCB and CNA2 PCB.
I-1. Undo four screws and then remove two PLASTIC BRACKET.
PLASTIC BRACKET
I-2. Undo 13 screws and then remove the PCB UNIT/CNA.
AP-260
CNA2 PCBCNA1 PCB PCB UNIT/CNA
– 26 –
Page 29
AP-260
Caution When Replacing with New Parts
• A new CONSOLE PANEL/MIDDLE does not come with the NAME PLATE. When replacing the CONSOLE PANEL/MIDDLE, attach the NAME PLATE with the DOUBLE FACED TAPE.
24.0 ± 2 mm
NAME PLATE
DOUBLE FACED TAPE
76.5 ± 2 mm
CONSOLE PANEL/MIDDLE
Notes on Assembly
• Before assembling the PCB UNIT/CNA, check that the KNOB/for ROTARY, TACT BUTTON, LED COVER, LED SPACER, and FABRIC SHEET have been assembled to the CONSOLE PANEL/MIDDLE.
J. Remove the SIDE BOARD
[NOTE] The basic procedure to remove the part is the same on both sides.
J-1. Undo two screws on the bottom surface. J-2. Undo two screws on the back surface.
– 27 –
Page 30
J-3. Undo two screws and then remove the BRACKET. J-4. Undo three screws.
SIDE RACK UNIT SIDE BOARD
BRACKET
J-5. Remove the SCREW CAP and then undo one screw.
[NOTE] The SCREW CAP is secured with the DOUBLE FACED TAPE.
AP-260
SCREW CAP
J-6. Remove the SIDE BOARD.
– 28 –
Page 31
K. Remove the SIDE RACK UNIT
[NOTE] The basic procedure to remove the part is the same on both sides.
K-1. Undo two screws on the bottom surface.
K-2. Undo one screw.
SIDE RACK UNIT
AP-260
Console unit
K-3. Undo one screw on the side surface and then remove the SIDE RACK UNIT and SIDE
BLOCK.
SIDE RACK UNIT SIDE BLOCK SIDE RACK UNIT
– 29 –
Page 32
K-4. Undo two screws and then remove the SIDE BLOCK from the SIDE RACK UNIT.
SIDE RACK UNIT
SIDE BLOCK
K-5. Remove the RUBBER FOOT.
RUBBER FOOT
AP-260
– 30 –
Page 33
L. Remove the FRONT BOARD UNIT
L-1. Disconnect the connector for HPA1 PCB from the BOX/PCB.
[NOTE] Please refer to the “E. Remove the BOX/PCB”.
L-2. Undo six screws on the bottom surface and then remove the FRONT BOARD UNIT.
AP-260
FRONT BOARD UNIT
– 31 –
Page 34
M. Remove the PCB UNIT/HPA1
M-1. Disconnect the connector for HPA1 PCB from the BOX/PCB.
[NOTE] Please refer to the “E. Remove the BOX/PCB”.
M-2. Undo two screws and then remove the PCB UNIT/HPA1.
PCB UNIT/HPA1
Caution When Replacing with New Parts
• Mount the LED as shown below while paying attention to the polarity.
AP-260
25.1 ± 0.3 mm
D1
N. Remove the SPEAKER
[NOTE] The basic procedure to remove the part is the same on both sides.
N-1. To replace the harness for the speaker, disconnect the speaker connector from the BOX/PCB.
[NOTE] Please refer to the “E. Remove the BOX/PCB”.
N-2. Undo two screws and then remove the COVER NET.
COVER NET
– 32 –
Page 35
N-3. Unsolder the harness. N-4. Undo four screws and then remove the SPEAKER and SPEAKER NET.
<Left speaker> <Right speaker>
AP-260
Positive terminal (Red)
Negative terminal (Black)
Negative terminal (White)
Positive terminal (Red)
SPEAKER NETSPEAEKER
Notes on Assembly
• The SPEAKER NET has front and back faces. Face the smooth surface to the bottom when assembling.
– 33 –
Page 36
O. Remove the KEYBOARD UNIT
O-1. Undo 15 screws and then remove seven PLASTIC BASE.
[NOTE] The PLASTIC BASE at the center and the both ends are screwed at different hole
positions from the others.
CENTER OTHEROTHERLEFT RIGHT
AP-260
O-2. Undo three screws.
– 34 –
Page 37
O-3. Undo 19 screws on the bottom surface and then remove the KEYBOARD UNIT.
KEYBOARD UNIT
AP-260
– 35 –
Page 38
Y
Disassembly of the KEYBOARD UNIT
A. Remove the KEY
Overview
<Removing the Keys>
• To remove the keys, you will need two of the tools described below.
• Before removing a black key, you must fi rst remove both white keys on either side of the black key.
• White keys may be removed with the same procedures as removing black keys.
<Tool>
• The tool used in the photos in this section was converted from a gardening ID tag. The size and shape of an ID tag accord to the dimensions below.
<Note on Shaping an ID Tag>
• The thickness of the tool must be within 1.2 ~ 1.3 mm. If the tool is too thin, removing keys become diffi cult. If the tool is too thick, it may damage the rib of the chassis.
AP-260
<Tool Dimensions>
Width: 15~20 mm
Thickness: within 1.2~1.3 mm
7 mm
R=2.75 mm
Use this part to remove the key.
– 36 –
Page 39
A-1. Undo 12 screws and then remove four KEY SPACER.
[NOTE] There are four types of the KEY SPACER. Be sure to use the correct type when
assembling.
KEY SPACER/A KEY SPACER/B KEY SPACER/C KEY SPACER/D
AP-260
KEY SPACER/A
KEY SPACER/B
KEY SPACER/C
KEY SPACER/D
<How to Identify KEY SPACER>
• There is an identifi cation marking on the upper right or upper left of the KEY SPACER.
Parts Name Marking
KEY SPACER/A SPC-A KEY SPACER/B SPC-B KEY SPACER/C SPC-C KEY SPACER/D SPC-D
– 37 –
Page 40
A-2. Insert the two tools between the rib of the chassis and a key and then remove the key.
[NOTE] When you insert the tools to a certain extent, the latch which fi xing the key is
disengaged and the keys are lifted for removal.
Tools
Chassis
<Cross-section Image>
AP-260
Tool
KEYRib of the chassis
– 38 –
Page 41
Notes on Assembly
<Reference: Musical Scale>
• The scale shown below is used for the piano.
Scale
AP-260
Note
SA
(A)
C
(Do)
B C D E F G A B C D E F G A B C D E F G A B
D
(Re)
E
(Mi)
F
(Fa)
G
(So)
<Keyboard Layout>
• Refer to the illustration on the right and install the white keys in the correct order of the note.
[NOTE] A note is marked at the upper end of each key. You
may ignore the number marked after the note.
[NOTE] The parts for the keys at both ends and the second
one from the left end differ from the other keys with the same notes.
[NOTE] Install the keys in the order of C → D → E → F → G →
A → B in the range marked with a red broken line in the illustration (the range between the third key from the left end and the second key from the right end).
• All black keys are identical; therefore, they may be installed in any order.
A
(La)
B
(Ti)
C D E F G A B C D E F G A B C D E F G A B C D E F G A B SC
Left end Right end
Note
D F ASA B
SA
B C D E F G A B SC
BE GC
(C)
SC
– 39 –
Page 42
Caution When Replacing with New Parts
• A set of new white keys consists of the parts below.
[NOTE] Remove the part indicated with a red line before use. [NOTE] The parts for the keys at both ends and the second one from the left end differ from
the other keys with the same notes.
Parts Name Note Remarks
WHITE KEY/SA SA (A) Designated for the left end
WHITE KEY/B B Designated for the second key from the left end
WHITE KEY/CEGB C / E/ G / B A set of C/E/G/B
WHITE KEY/DFA D/F/A A set of D/F/A
WHITE KEY/SC SC (C) Designated for the right end
AP-260
BE GC
D F ASA B
SC
– 40 –
Page 43
Applying Grease
• Apply grease on the guide for keys as necessary after the keys are replaced.
[NOTE] Apply grease on the side of the guide for keys.
Code No. Parts Name Specifi cation
94816509 SILICONE GREASE G-501.80G-PC
Guide for black key
AP-260
Guide for white key
Guide for white key
Apply grease here
(In the area indicated in green)
Guide for black key
Apply grease here
(In the area indicated in green)
– 41 –
Page 44
Installing the Keys
• Follow the steps below to install the white and black keys. [NOTE] The white keys must be arranged in a specifi c order. Install them according to the
correct order of the note. Be sure to install the white key at a hammer for a white key.
[NOTE] Install a black key before installing the white keys on its sides. Be sure to install the
black key at a hammer for a black key. (1) Assemble a key to a hammer. (2) Press the key to fi t the hole of the key with the protrusion of the chassis. (3) Press the key and check to see if it moves properly.
Fit securely into the chassis.
AP-260
Assemble a key to a hammer.
<Locations to Install the White and Black Keys>
• Install a white key in the position of a guide for white key.
• Install a black key in the position of a guide for black key. Guide for black key
Guide for white key
– 42 –
Page 45
B. Remove the HAMMER
B-1. Place the chassis upside down so that the hammers are visible.
<Identifying the Hammers When Placed Upside Down>
• The size chassis hole differs between white and black keys. The hammer for a black key goes into a bigger hole, while the hammer for a white key goes into a smaller hole.
Hammer for white key Hammer for black key
B-2. Press the chassis with the tip of tweezers. B-3. While catching a hammer with tweezers, set the tweezers against the resin part of the chassis.
AP-260
B-4. Using the chassis-tweezer contact as a fulcrum point, press down against the resin part in the
direction of the red arrow shown below, and then disengage the hammer. [NOTE] You must press the resin part of the hammer. Pressing on the metal part of the
hammer may damage the area connected to the resin.
[NOTE] If a hammer does not disengage easily, perform the steps while lifting the hammer.
Tweezers
Press down the resin part.
Fulcrum point
– 43 –
Page 46
Kinds of Hammers
• There are several kinds of hammers. The type of a hammer may be identifi ed by the code engraved on it.
Type of Hammer: “W” for a white key, “B” for a black key. Hammer Code: The hammers for white keys are coded W1, W2, W3, and W4.
The hammers for black keys are coded B1, B2, B3, and W4.
Type of Hammer (for a white key)
Hammer Code (for a white key)
Type of Hammer (for a black key)
AP-260
Hammer Code (for a black key)
Location to Install the Hammers
• A hammer must be installed at the correct location according to its type. The combination of hammers and keys are shown below.
<Hammers for black keys>
B1 (9 keys) B2 (9 keys) B3 (9 keys) B4 (9 keys)
W1 (13 keys)
W2 (13 keys)
<Hammers for white keys>
W3 (13 keys) W4 (13 keys)
– 44 –
Page 47
AP-260
Installing the Hammers
• Follow the steps below to install the hammers for white and black keys. [NOTE] The hammers must be arranged in a specifi c order. Install them according to the
correct order.
[NOTE] If a hammer does not move smoothly, check to see if it is installed at the correct
location. (1) Use the tweezers to set a hammer at its correct location. (2) Press the chassis with the tip of tweezers. (3) Using the chassis-tweezers contact as a fulcrum point, press down the metal part of the
hammer in the direction of the red arrow shown below, and then install the hammer. [NOTE] Be careful not to damage the felt.
Tweezers
Press down against the metal part.
Locked at this point
Fulcrum point
Be careful not to damage the felt.
– 45 –
Page 48
C. Remove the PCB UNIT/KY AND RUBBER CONTACT
[NOTE] The PCB UNIT/KY AND RUBBER CONTACT consists of the KYA1 PCB, KYB1 PCB, and
KYC1 PCB. C-1. Release the connector lock and remove the FLAT CABLE. C-2. Undo 23 screws and then remove the PCB UNIT/KY AND RUBBER CONTACT.
FLAT CABLE
AP-260
KYA1 PCB KYB1 PCB KYC1 PCB
PCB UNIT/KY AND RUBBER CONTACT
C-3. Remove eight RUBBER CONTACT.
[NOTE] One RUBBER CONTACT differs in length.
RUBBER CONTACT Short RUBBER CONTACT
RUBBER CONTACT/AG
– 46 –
RUBBER CONTACT/AC
Page 49
Installing the PCB UNIT/KY AND RUBBER CONTACT
(1) Secure the PCB UNIT/KY AND RUBBER CONTACT with 23 screws.
[NOTE] Tighten the screws while pressing the PCB in the direction of the red arrow shown
below.
(2) Connect the FLAT CABLE to the KYB1 PCB and lock the connector.
[NOTE] Insert it fi rmly and lock up.
AP-260
FLAT CABLE
How to Install RUBBER CONTACT
• Lightly insert the tip of a RUBBER CONTACT into the PCB fi rst, and then press it in using the end of a paper clip.
[NOTE] Do not press with too much force. Doing so may damage the RUBBER CONTACT.
– 47 –
Page 50

DIAGNOSTIC PROGRAM

Y
Test Items / Flowchart
Start
“FUNCTION” + “START/STOP ” + “RECORDER” + POWER ON
Start the Diagnostic Program
(Flash Sum Check / LED Check)
“FUNCTION” × 2
Model Check
“FUNCTION”
ROM Version Check
“FUNCTION” × 2
AP-260
Button Check / Pedal Check
Keyboard Check /
Speaker Polarity Check
End the Diagnostic Program
Y
Preparation
“FUNCTION” × 2
“FUNCTION”
USB Check
“FUNCTION”
RAM Check
“FUNCTION” *Restarts in the user mode.
PREPARATION: PC, USB cable
POWER OFF
(1) Connect the AC adaptor. (2) Connect the pedal. (3) Adjust the volume so that it is at about 1/3 of the full volume. (4) Have a PC and USB cable ready.
[NOTE] For information about PC system requirements, refer to the User’s Guide. [NOTE] The “USB Check” cannot be performed without a PC and a USB cable.
– 48 –
Page 51
AP-260
Y
Test Procedures
[ADDITIONAL NOTE]
Refer to the below for the pitch of the confi rmation or error tones which you hear during the test.
A0# C1# D1# F1# G1# A1# C2# D2# F2# G2# A2# C3# D3# F3# G3# A3# C4# D4# F4# G4# A4# C5# D5# F5# G5# A5# C6# D6# F6# G6# A6# C7# D7# F7# G7# A7#
A0 B0 C1 D1 E1 F1 G1 A1 B1 C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7 D7 E7 F7 G7 A7 B7 C8
A. Start the Diagnostic Program (Flash Sum Check / LED Check)
A-1. Turn on the power while holding down the [FUNCTION], [START/STOP] and [RECORDER]
buttons.
[NOTE] Hold down three buttons until the diagnostic program starts.
• When the diagnostic program starts, all LEDs illuminate briefl buttons after the LEDs illuminate.
• The [P] (Power) LED remains on.
• It takes approximately fi ve seconds for the diagnostic program to start.
[NOTE] When the test is fi
nished, be sure to press the power button to turn of
y. Release the three
f the power.
<LED status during the diagnostic program startup>
– 49 –
Page 52
AP-260
A-2. Once the diagnostic program is started, the “Flash Sum Check” is performed automatically.
If the result passes (OK):
• The program automatically proceeds to the next step.
If the result fails (NG):
• The [START/STOP (Left)], [START/STOP (Right)] and [RECORDER] LEDs are fl ashing. Press the [FUNCTION] button to restart the digital piano in the user mode.
A-3. The “LED Check” starts automatically and the LEDs keep illuminating in the order shown
below.
• Lit in Yellow: START/STOP (Left)
• Lit in Red: START/STOP (Right), RECORDER, L, R, CONCERT, MODERN,
ELEC. PIANO 1
A-4. Check that all LEDs illuminate.
B. Model Check
[NOTE] To skip this check, press the [FUNCTION] button twice and proceed to the next check.
B-1. Press the [FUNCTION] button.
[NOTE] The confi rmation chord (C4/E4/G4) sounds.
B-2. Press the [FUNCTION] button again.
[NOTE] The model identifi
(C4/E4/G4).
B-3. Check that the model identifi cation tone sounds and also that the following LED is fl ashing.
<For AP-260>
• Model
• Flashing in Yellow: START/STOP (Left)
• Flashing in Red: MODERN
identifi cation tone: C3
cation tone (C3) sounds immediately after the confi rmation
chord
– 50 –
Page 53
C. ROM Version Check
(This section describes how to identify the ROM version, not to test it.)
[NOTE] To skip this check, press the [FUNCTION] button and proceed to the next check.
C-1. When you press the [FUNCTION] button, the following LEDs illuminate and the ROM Version
Check Mode enters into its stand-by status. [NOTE] The confi rmation chord (C4/E4/G4) sounds.
• Lit in Red: RECORDER, CONCERT, MODERN, ELEC. PIANO 1
C-2. You can identify the ROM version (4 digits) by repeatedly pressing the [START/STOP] button
while in the stand-by status.
[NOTE] The number indicating each digit of the ROM version will be expressed by LEDs that
illuminate. * The ROM version may dif
[NOTE] Each time you press the [STAR
and the LED indication moves to the next digit.
fer depending on the individual products.
T/STOP] button, the confi rmation tone (C6) sounds
AP-260
START/
Stand-by status (As in step C-1)
<Version number vs. LED indication>
No. LED No. LED
0 All LEDs off 6 CONCERT + MODERN 1 ELEC. PIANO 1 2 MODERN 3 MODERN + ELEC. PIANO 1 8 RECORDER 4 CONCERT 9 RECORDER + ELEC. PIANO 1 5 CONCERT + ELEC. PIANO 1
<Example>
The example below shows the ROM version “0105” (Ver. 1.05).
Stand-by status
STOP
4th digit 3rd digit 2nd digit 1st digit
START/
STOP
START/
STOP
CONCERT + MODERN +
7
ELEC. PIANO 1
START/
STOP
4th digit All LEDs off (Version number: 0)
3rd digit ELEC. PIANO 1 (Version number: 1)
2nd digit All LEDs off (Version number: 0)
1st digit CONCERT + ELEC. PIANO 1 (Version number: 5)
– 51 –
Page 54
D. Button Check
[NOTE] This check cannot be skipped.
D-1. Press the [FUNCTION] button twice.
[NOTE] The confi rmation chord (C4/E4/G4) sounds each time you press the button.
D-2. Press the buttons in the order shown below.
If the result passes (OK):
• The confi rmation tone (C6) sounds. When press the [ELEC. PIANO 1] button at the end, the confi rmation chord (C4/E4/G4) sounds.
If the result fails (NG):
• If there is a button failure or the buttons are pressed in a wrong sequence, the error tone (F2) sounds.
AP-260
E. Pedal Check
[NOTE] When you choose to skip this check, simply proceed to the next check.
E-1. Press the [SOFT] pedal and then check that the [CONCERT]
LED is lit. [NOTE] The confi rmation tone (E4) sounds.
• Lit in Red: CONCERT
SOFT DAMPER
E-2. Press the [SOSTENUTO] pedal and then check that the
[MODERN] LED is lit. [NOTE] The confi rmation tone (G4) sounds.
• Lit in Red: MODERN
E-3. Press the [DAMPER] pedal fully and then check that the [ELEC. PIANO 1] LED is lit.
[NOTE] The confi rmation tone (C4) sounds.
• Lit in Red: ELEC. PIANO 1
SOSTENUTO
E-4. Press the [DAMPER] pedal halfway (half-pedal) and then check that the [ELEC. PIANO 1] LED
is fl ashing. [NOTE] The confi rmation tone (C5) sounds.
• Flashing in Red: ELEC. PIANO 1
– 52 –
Page 55
F. Keyboard Check
[NOTE] To skip this check, press the [FUNCTION] button twice and proceed to the next check.
F-1. Press the [FUNCTION] button twice and then check that the [START/STOP (Left)] LED is lit.
[NOTE] The confi rmation chord (C4/E4/G4) sounds each time you press the button.
[NOTE] The LED does not illuminate if the touch response adjustment data has been reset.
For details, refer to “Resetting the
• Lit in Yellow: START/STOP (Left)
F-2. Press the [ELEC. PIANO 1] button and then check that the [ELEC. PIANO 1] LED is lit.
• Lit in Red: ELEC. PIANO 1
F-3. Press a key and then check that the sound comes out (sine wave) as follows.
[NOTE] Check all keys.
ouch Response Adjustment Data”.
T
AP-260
Key Left Speaker Right Speaker Remarks
Press a key
halfway
Press a key
all the way
C6 sine wave When the contact
C6 sine wave C4 sine wave
When the contact turned on
G. Speaker Polarity Check
[NOTE] When you choose to skip this check, simply proceed to the next check.
G-1. Press the [MODERN] button and then check that the [MODERN] LED is lit.
• Lit in Red: MODERN
is turned on
and  are
G-2. Press any key and then check that the sound correctly comes out (sine wave).
[NOTE] Check the sound while you are at the center of the digital piano.
– 53 –
Page 56
H. USB Check
[NOTE] To skip this check, press the [FUNCTION] button and proceed to the next check.
H-1. Press the [FUNCTION] button.
[NOTE] The confi rmation chord (C4/E4/G4) sounds.
H-2. Press the [CONCERT] button and then check that the [L] LED is lit.
[NOTE] The confi rmation tone (F2) sounds.
• Lit in Red: L
H-3. Connect the digital piano to the PC with a USB cable. H-4. Press the [CONCERT] button and then check that the [R] LED is lit.
[NOTE] The confi rmation tone (C6) sounds.
• Lit in Red: R
AP-260
H-5. Disconnect the USB cable.
– 54 –
Page 57
I. RAM Check
[NOTE] To skip this check and end the diagnostic program, press the [FUNCTION] button twice to
restart the digital piano in the user mode.
I-1. Press the [FUNCTION] button and then check that the following LEDs are fl ashing.
[NOTE] The confi rmation chord (C4/E4/G4) sounds.
• Flashing in Yellow: START/STOP (Left)
• Flashing in Red: START/STOP (Right)
I-2. Press the [START/STOP] button to start the check.
Check that the LED status changes as shown below.
[NOTE] It takes approximately 15 seconds until the check ends.
During the Writing Check
[START/STOP (Left)] LED Lit in Yellow
AP-260
[START/STOP (Right)] LED Off
During the Reading Check
[START/STOP (Left)] LED Off
[START/STOP (Right)] LED Lit in Red
The Check Complete
[START/STOP (Left)] LED Lit in Yellow
[START/STOP (Right)] LED Lit in Red
I-3. Press the [FUNCTION] button to restart the digital piano in the user mode.
<LED status during the user mode>
• Lit in Red: L, R, CONCERT
I-4. Turn off the power.
– 55 –
Page 58
AP-260
Y
Resetting the Touch Response Adjustment Data
Caution
Be sure to reset the touch response adjustment data by following the steps below after the main PCB or a keyboard component is replaced.
Applicable Parts
• Main PCB (MDA1 PCB)
• KEYBOARD
UNIT
• Components for the KEYBOARD UNIT (Refer to the EXPLODED VIEW and PART LIST: KEYBOARD UNIT)
Reset Procedures
(1) Turn on the power while holding down the [FUNCTION], [CONCERT] and [MODERN] buttons.
[NOTE] Hold down three buttons until the reset mode starts.
• When the reset mode starts, all LEDs illuminate. Release the three buttons after the LEDs illuminate.
• The
[P] (Power) LED remains on.
<LED status during the reset mode startup>
(2) Press the [START/STOP] button and then check that the following LEDs are lit.
• Lit in Red: L, R
– 56 –
Page 59
(3) Press the [METRONOME] button and then check that the following LEDs are lit.
• Lit in Red: R, ELEC. PIANO 1
(4) Press the [ELEC. PIANO 1] button and then check that the following LEDs are lit.
• Lit in Yellow: START/STOP (Left)
• Lit in Red: RECORDER, R, ELEC. PIANO 1
(5) Press the [RECORDER] and [METRONOME] buttons at the same time to start resetting.
AP-260
(6) When resetting is complete, the digital piano restarts in the user mode.
<LED status during the user mode>
(7) Turn the power off.
[NOTE] After resetting is complete, perform the “KEYBOARD CHECK” in the diagnostic program
and then check that the touch response adjustment data has been reset. For details, refer to “DIAGNOSTIC PROGRAM”.
– 57 –
Page 60
AP-260

EXPLODED VIEW

9
8
6
12
16
9
14
28
13
27
21
22
28
26
30
8
10
7
15 17
18
11
19
20 23
24
25
17
– 58 –
29
3
31
32
Page 61
38
AP-260
33
40
41
42
43
45
44
44
44
44
35
50
39
36
53
37
52
34
51
5
56
54
58
55
46
47
48
49
49
49
49
57
61
62
60
59 58
60 57
59
– 59 –
Page 62
64
63
65
AP-260
63
75
74
77
76
78
66
65
69
* EU/UK only
91
87
67
68
72
70
88
66
69
71
81
80
85
86
87
88
89
75
76
77
78
73
81
79
84
82 83 81
4
– 60 –
1
2
90
91
Page 63
93
AP-260
92
94
96
98
95
97
99
95
101
100
– 61 –
Page 64

PARTS LIST

AP-260
[Notes]
1. Prices and specifi cations are subject to change without prior notice.
2. Refer to the latest “Parts Price Code” at “PARTS FINDER” on the Casio Service Website (https://www.servicecasio.com).
3. As for spare parts order and supply, refer to the “GUIDEBOOK for Spare Parts Supply”, published separately.
4. The numbers in item column correspond to the same numbers in drawing.
– 62 –
Page 65
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
4: AP-260_BLACK_US
Q'ty
1234567
Main PCB
N 1 10490473 PCB UNIT/MAIN TK-RJM513970*001 1 1 1 1 1 1 1 A MDA1
CN13 10236624 CONNECTOR/USB UBR24-4K5G00 1 1 1 1 1 1 1 C
IC3,IC4 10427243 IC BD00IA5WEFJ-E2 2 2 2 2 2 2 2 X
IC6 10431989 IC WM8740SEDS/RV 1 111111X IC7 10422005 IC SN74LVC1G123DCTR 1 1 1 1 1 1 1 X
IC10 10375074 IC XC6404FY52PR-G 1 1 1 1 1 1 1 X
IC12,IC14 10211950 IC NJM2068M-D(TE1) 2 2 2 2 2 2 2 X
Q1,Q7-Q9,Q14-Q16 10402605 TRANSISTOR DSA500100L 7 777777X
Q2-Q6,Q10,Q11 10399706 TRANSISTOR DSC500100L 7 7 7 7 7 7 7 X
D1-D3 10009218 DIODE 1SS400TE61 3 3 3 3 3 3 3 X
L25 10193074 COIL DLW21HN181SQ2L 1 1 1 1 1 1 1 X
X1 10431923 RESONATOR 7V22580001 1 1 1 1 1 1 1 X X2 10375016 RESONATOR 7V48080006 1 1 1 1 1 1 1 X
Power & Amp PCB
2 10433594 PCB UNIT/POWER & AMP TK-RJM512379*001 1 111111BPSA1
J2 10334294 JACK/DC KM02022ABMP 1 1 1 1 1 1 1 A IC1 10306512 IC TDA7297 1 111111X IC2 10375029 IC LA5756-MDB-E 1 1 1 1 1 1 1 X IC3 10430186 IC XC8102AA01MR-G 1 1 1 1 1 1 1 X IC4 10430185 IC XC6701BC02PR-G 1 1 1 1 1 1 1 X IC5 10430184 IC XC6701B502PR-G 1 1 1 1 1 1 1 X IC6 10430183 IC XC6216D332PR-G 1 1 1 1 1 1 1 X IC7 10306415 IC BH3547F-E2 1 1 1 1 1 1 1 X
Q1,Q2,Q10,Q11,
Q20,Q21,Q25
D1 10294394 DIODE SK34A 1 111111X D10 10430929 DIODE DB2X41400L 1 1 1 1 1 1 1 X D20 10073815 DIODE UDZSTE-178.2B 1 1 1 1 1 1 1 X
L1,L10,L11 10231920 COIL RB53-856397NP 3 3 3 3 3 3 3 X
L20 10232457 COIL RII7-860400NP 1 1 1 1 1 1 1 X
10399706 TRANSISTOR DSC500100L 7 7 7 7 7 7 7 X
R RemarksN Item Code No. Parts Name Specification
– 63 –
Page 66
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
4: AP-260_BLACK_US
Q'ty
1234567
CNA PCB & HPA1 PCB
3 10433563 PCB UNIT/CNA TK-RJM512320*002 1 1 1 1 1 1 1 C CNA1/CNA2
D601,D603-D609 10336974 LED 26-21/R1 8888888X
D602 10336975 LED 26-21/Y1 1 1 1 1 1 1 1 X
D610-D612 23901820 DIODE 1SS355TE-17 3 3 3 3 3 3 3 X
SW601-SW608 10337110 SWITCH TP-1138A-10-100GF 8 8 8 8 8 8 8 X
VR601 10399354 VARIABLE RESISTOR F-09KH1-CASIO-2 1 111111BVolume
4 10433603 PCB UNIT/HPA1 TK-RJM512381*001 1 1 1 1 1 1 1 C HPA1
D1 10203050 LED 231XHD 1 1 1 1 1 1 1 X Power lamp
J701,J702 10132088 JACK/PHONE JY-6360*01-070 2 2 2 2 2 2 2 B L701,L702 10231919 COIL RB53-856396NP 2 222222X
Keyboard PCB
5 10433482
D1-D46 10301580 DIODE LM1MA142WAT1G 46 46 46 46 46 46 46 X
Q101-Q364 69300298 TRANSISTOR 2SC4081T106R 264 264 264 264 264 264 264 X
Top Board & Console Unit
6 10433619 TOP BOARD UNIT TK-RJM512086*001 1 1 1 X
6 10433620 TOP BOARD UNIT TK-RJM512086*002 1 1 X
N 6 10499507 TOP BOARD UNIT TK-RJM512086*003 1 X N 6 10499508 TOP BOARD UNIT TK-RJM512086*004 1 X
7 10433564 KEY COVER UNIT TK-RJM511862*001 1 1 1 C N 7 10490460 KEY COVER UNIT TK-RJM511862*005 1 1 C
N 7 10499464 KEY COVER UNIT TK-RJM511862*007 1 C N 7 10499467 KEY COVER UNIT TK-RJM511862*011 1 C
8 10431988 SHAFT/for KEY COVER RJM512131-001V01 2 2 2 2 2 2 2 X
9 10232237 E RING R-ER-4Z3BL 2222222X
10 10428382 SLIDE CAP/B RJM512241-001V01 2 2 2 2 2 2 2 X 11 10211851 SLIDE CAP RJM505899-001V01 2 2 2 2 2 2 2 X 12 10428359 PLASTIC BRACKET RJM511973-001V01 7 7 7 7 7 7 7 X 13 10428364 NAME PLATE RJM511986-001V01 1 1 1 1 1 1 1 X
PCB UNIT/ KY and RUBBER CONTACT
TK-RJM512336*001 1 1 1 1 1 1 1 C KYA1/KYB1/KYC1
R RemarksN Item Code No. Parts Name Specification
– 64 –
Page 67
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
4: AP-260_BLACK_US
Q'ty
1234567
14 10305053 DOUBLE FACED TAPE RJM507535-001V02 1 1 1 1 1 1 1 X for NAME PLATE
15 10427192 CONSOLE PANEL/LEFT RJM511903-001V01 1 1 11111X 16 10427193 CONSOLE PANEL/RIGHT RJM511904-001V01 1 1 1 1 1 1 1 X 17 69239090 FABRIC TAPE/10X42 M440240-1 2 2 2 2 2 2 2 X
18 10337938 KEY FELT RJM509922-001V01 1 1 1 1 1 1 1 X
N 19 10486685 CONSOLE PANEL/MIDDLE RJM512018-013V01 1 1 1 1 1 1 1 X
20 10337054 LED COVER RJM509410-001V01 3 3 3 3 3 3 3 X 21 10428304 LED COVER RJM512166-001V01 2 2 2 2 2 2 2 X 22 10428263 LED SPACER/A RJM512126-001V01 2 2 2 2 2 2 2 X 23 10428264 LED SPACER/B RJM512127-001V01 1 1 1 1 1 1 1 X 24 10428362 KNOB/for ROTARY RJM512136-001V01 1 1 1 1 1 1 1 C for Volume 25 10342127 TACT BUTTON/A RJM509408-002V01 1 1 1 1 1 1 1 X 1 button, for Power button 26 10431933 TACT BUTTON/A RJM509408-004V01 1 1 1 1 1 1 1 X 3 buttons 27 10337029 TACT BUTTON/B RJM509396-001V01 1 1 1 1 1 1 1 X 2 buttons 28 10337030 TACT BUTTON/B RJM509396-002V01 2 2 2 2 2 2 2 X 1 button 29 10433684 FABRIC SHEET/A RJM512456-001V01 1 1 1 1 1 1 1 X 30 10450096 FABRIC SHEET/B RJM512457-003V02 1 1 1 1 1 1 1 X 31 10436783 FABRIC TAPE/10X42 M440240-003V01 1 1 1 1 1 1 1 X 32 10439051 FABRIC TAPE/5X30 M440583-004V01 1 1 1 1 1 1 1 X
R RemarksN Item Code No. Parts Name Specification
Keyboard Unit
33 10433481 KEYBOARD UNIT TK-RJM512338*001 1 1 1 1 1 1 1 C
34 10439085 BLACK KEY RJM512042-001V02 36 36 36 36 36 36 36 B
35 10437155 WHITE KEY/SA RJM512040-002V02 1111111X
36 10437154 WHITE KEY/B RJM512039-002V02 1111111X
37 10437152 WHITE KEY/CEGB RJM512037-002V02 7777777B
38 10437153 WHITE KEY/DFA RJM512038-002V02 7777777B
39 10437156 WHITE KEY/SC RJM512041-002V02 1 1 1 1 1 1 1 X
40 10341062 HAMMER UNIT/W1 TK-RJM509600*001 13 13 13 13 13 13 13 C
41 10341063 HAMMER UNIT/W2 TK-RJM509601*001 13 13 13 13 13 13 13 C
42 10341064 HAMMER UNIT/W3 TK-RJM509602*001 13 13 13 13 13 13 13 C
43 10341065 HAMMER UNIT/W4 TK-RJM509603*001 13 13 13 13 13 13 13 C
44 10196930 HAMMER CAP/W RJM502806-001V02 52 52 52 52 52 52 52 X
– 65 –
Page 68
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK 4: AP-260_BLACK_US
45 10341066 HAMMER UNIT/B1 TK-RJM509604*001 9 9 9 9 9 9 9 C
46 10341067 HAMMER UNIT/B2 TK-RJM509605*001 9 9 9 9 9 9 9 C
47 10341068 HAMMER UNIT/B3 TK-RJM509606*001 9 9 9 9 9 9 9 C
48 10341069 HAMMER UNIT/B4 TK-RJM509607*001 9 9 9 9 9 9 9 C
49 10301389 HAMMER CAP/B RJM505541-001 36 36 36 36 36 36 36 X
50 10427355 KEY SPACER/A RJM512181-001V01 1 1 1 1 1 1 1 X
51 10427356 KEY SPACER/B RJM512182-001V01 1 1 1 1 1 1 1 X
52 10427357 KEY SPACER/C RJM512183-001V01 1 1 1 1 1 1 1 X
53 10427358 KEY SPACER/D RJM512184-001V01 1 1 1 1 1 1 1 X
54 37195442 FLAT CABLE N30315B1B05-UL2896 1 1 1 1 1 1 1 X
55 10437600 RUBBER CONTACT/AG RJM512163-001V02 7 7 7 7 7 7 7 B
56 10431698 RUBBER CONTACT/AC RJM512164-001V01 1 1 1 1 1 1 1 C
57 10398226 FELT/LOWER LIMIT/BLACK KEY RJM510067-002V02 1 1 1 1 1 1 1 X
58 10398227 FELT/LOWER LIMIT/WHITE KEY RJM503562-002V02 1111111X
59 10398219 FELT/UPPER LIMIT/HAMMER RJM511203-001V01 1 1 1 1 1 1 1 X
60 10294093 FELT/LOWER LIMIT/HAMMER TK-RJM507910*001 1 1 1 1 1 1 1 X
61 10388000 PLATE RJM510952-001V01 1 1 1 1 1 1 1 X
62 10343387 FABRIC TAPE/ACP RJM510100-001V01 1 1 1 1 1 1 1 X
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
Q'ty
1234567
R RemarksN Item Code No. Parts Name Specification
Main Case Unit
63 10047599 FABRIC TAPE/10X100 M440710-1 1 1 1 1 1 1 1 X
64 10428360 PLASTIC BASE RJM512102-001V01 7 7 7 7 7 7 7 X
65 10431987 COVER NET RJM511985-001V01 2 2 2 2 2 2 2 X
66 10474441 SPEAKER CJ12FH01 2 2 2 2 2 2 2 X
67 10433023 CABLE HARNESS EF-EH2P060M922 1 1 1 1 1 1 1 X for Left speaker
68 10432675 CABLE HARNESS EF-EH2P065M922 1 1 1 1 1 1 1 X for Right speaker
69 10294355 SPEAKER NET RJM508336-001V01 2 2 2 2 2 2 2 X
70 10436098 FABRIC TAPE/15X40 RJM512618-001V01 4 4 4 4 4 4 4 X
71 10469354 SUPPORT BOARD RJM513244-001V01 1 1 1 1 1 1 1 X
72 10428640 BRACKET RJM512101-001V01 1 1 1 1 1 1 1 X
73 10433608 SIDE BOARD/LEFT TK-RJM511946*001 1 1 1 X
73 10433610 SIDE BOARD/LEFT TK-RJM511946*002 1 1 X
N 73 10499509 SIDE BOARD/LEFT TK-RJM511946*006 1 X N 73 10499510 SIDE BOARD/LEFT TK-RJM511946*007 1 X
– 66 –
Page 69
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
4: AP-260_BLACK_US
Q'ty
1234567
74 10433609 SIDE BOARD/RIGHT TK-RJM511947*001 1 1 1 X
74 10433617 SIDE BOARD/RIGHT TK-RJM511947*002 1 1 X
N 74 10499511 SIDE BOARD/RIGHT TK-RJM511947*006 1 X N 74 10499512 SIDE BOARD/RIGHT TK-RJM511947*007 1 X
75 10305236 FABRIC TAPE/30X20 M411136-003V03 2 2 2 2 2 2 2 X
76 10434493 BRACKET RJM507983-001V02 2 2 2 2 2 2 2 X
77 10299259 PACKING RJM508522-001V01 2 2 2 2 2 2 2 X
N 78 10494022 FABRIC TAPE/C RJM514193-001V01 2 2 22222X
79 10433589 SIDE RACK UNIT/LEFT TK-RJM511881*001 1111111X
80 10433591 SIDE RACK UNIT/RIGHT TK-RJM511882*001 1111111X
N 81 10475579 SCREW CAP RJM512119-003V01 2 2 2 2 2 2 2 X
82 69235860 FABRIC TAPE/3X10 M440216-1 2 2 2 2 2 2 2 X
83 10442262 DOUBLE FACED TAPE RJM512682-001V01 2 2 2 2 2 2 2 X
84 10427360 SIDE BLOCK/LEFT RJM511965-001V01 1 1 1 1 1 1 1 X
85 10427361 SIDE BLOCK/RIGHT RJM511966-001V01 1 1 1 1 1 1 1 X
86 10432627 CABLE HARNESS EF-SMP5P053M923 1 1 1 1 1 1 1 X for Pedal connector
87 10285212 DOWEL RJM508233-001V01 2 2 2 2 2 2 2 X
88 10430891 RUBBER FOOT RJM512247-001V01 2 2 2 2 2 2 2 X
89 10433558 FRONT BOARD UNIT TK-RJM511884*001 1 1 1 X
89 10433559 FRONT BOARD UNIT TK-RJM511884*002 1 1 X
N 89 10499478 FRONT BOARD UNIT TK-RJM511884*005 1 X N 89 10499479 FRONT BOARD UNIT TK-RJM511884*006 1 X
90 10427678 BOX/PCB RJM511899-001V01 1 1 1 1 1 1 1 X
N 91 10486666 LABEL/RATING RJM513003-031V01 1 2 2 1 X N 91 10488152 LABEL/RATING RJM513003-032V01 1 2 1 X
R RemarksN Item Code No. Parts Name Specification
Stand
N 92 10494279 BACK BOARD RJM512032-004V01 1 1 1 1 1 1 1 X
93 10433621 SIDE BOARD UNIT/LEFT TK-RJM512281*001 1 1 1 X
93 10433614 SIDE BOARD UNIT/LEFT TK-RJM512281*002 1 1 X
N 93 10499513 SIDE BOARD UNIT/LEFT TK-RJM512281*003 1 X N 93 10499514 SIDE BOARD UNIT/LEFT TK-RJM512281*004 1 X
– 67 –
Page 70
AP-260
1: AP-260_BLACK_DI 2: AP-260_BLACK_EU 3: AP-260_BLACK_UK
5: AP-260_BROWN_DI 6: AP-260_BROWN_EU 7: AP-260_BROWN_US
4: AP-260_BLACK_US
Q'ty
1234567
94 10433611 SIDE BOARD UNIT/RIGHT TK-RJM512282*001 1 1 1 X
94 10433615 SIDE BOARD UNIT/RIGHT TK-RJM512282*002 1 1 X
N 94 10499515 SIDE BOARD UNIT/RIGHT TK-RJM512282*003 1 X N 94 10499516 SIDE BOARD UNIT/RIGHT TK-RJM512282*004 1 X
95 10348901 FOOT TK-RJM508370*003 1 1 1 1 X
95 10348902 FOOT TK-RJM508370*004 1 1 1 X
96 10433612 PEDAL BOARD UNIT TK-RJM511855*001 1 1 1 X
96 10433622 PEDAL BOARD UNIT TK-RJM511855*002 1 1 X
N 96 10499517 PEDAL BOARD UNIT TK-RJM511855*004 1 X N 96 10499518 PEDAL BOARD UNIT TK-RJM511855*005 1 X
97 10433626 PEDAL BOARD TK-RJM511873*001 1 1 1 X
97 10433616 PEDAL BOARD TK-RJM511873*002 1 1 X
N 97 10499519 PEDAL BOARD TK-RJM511873*004 1 X N 97 10499520 PEDAL BOARD TK-RJM511873*005 1 X
98 10263906 PEDAL UNIT TK-RJM507377*001 1 1 1 1 1 1 1 X
99 10339497 CABLE HARNESS EF-SMR5P155MP5 1 1 1 1 1 1 1 X for PEDAL UNIT
100 10260690 ADJUSTER FL-20-CR3-KE 1 1 1 1 1 1 1 X 101 10433624 SCREW SET TK-RJM511859*001 1 1 1 1 X 101 10433625 SCREW SET TK-RJM511859*002 1 1 1 X
R RemarksN Item Code No. Parts Name Specification
Accessories
- 10433613 MUSIC STAND TK-RJM511858*001 1 1 1 1 C
- 10433623 MUSIC STAND TK-RJM511858*002 1 1 1 C N - 10485645 AC ADAPTOR AD-A12150LW-F5 1 111111Bwithout AC CORD N - 10485583 AC CORD USC2LT060-001A 1 1 1 1 X US type plug
- 10485584 AC CORD EUC2LT060-001A 1 1 1 1 X EU type plug N - 10485582 AC CORD KRC2LT060-001A 1 1 X Korea type plug N - 10485648 AC CORD AUC2LT060-001A 1 1 X Australia type plug N - 10485585 AC CORD GBC2LT060-001A 1 X UK type plug N - 10484241 SEAT/CHAIR MX-CH4D(SEAT)-D 1 1 X for DI, US N - 10484242 SEAT/CHAIR MX-CH4B(SEAT)-D 1 1 X for DI, US
- 10375602 FOOT/CHAIR MX-CH4D(FOOT) 4 4 X for DI, US
- 10337892 FOOT/CHAIR MX-CH4B(FOOT) 4 4 X for DI, US
– 68 –
Page 71
Main PCB: M920-MDA1 (1/2)
(to CNA1/
CN601)
AP-260

SCHEMATIC DIAGRAMS

(to KYB1/CN803)
USB
(CN13)
(to Pedal Connector)
Not used
– 69 –
Page 72
Main PCB: M920-MDA1 (2/2)
(to PSA1/
CN10)
AP-260
– 70 –
Not used
Page 73
Power & Amp PCB: M920-PSA1
DC (J2)
AP-260
(to LEFT SPEAKER)
(to RIGHT SPEAKER)
(to HPA1/
CN701)
(to MDA1/
CN16)
Not used
LEFT SPEAKER
RIGHT SPEAKER
– 71 –
Page 74
Console PCB: M920-CNA1
AP-260
(to CNA2/CN603)
(to MDA1/CN1)
POWER SWITCH
– 72 –
Page 75
Console PCB: M920-CNA2 Headphones PCB: M920-HPA1
PHONES
(J701)
(to CNA1/CN602)
AP-260
POWER LAMP
PHONES
(J702)
VOLUME
(VR601)
– 73 –
(to PSA1/CN3)
Not used
Page 76
Pedal PCB: M332-PDA1 / PDA2
AP-260
(to MDA1/CN8)
(to PDA2/CN3)
(to PDA1/CN2)
– 74 –
Page 77
Keyboard PCB: M920-KYA1
AP-260
(to KYB1/CN802)
– 75 –
Page 78
Keyboard PCB: M920-KYB1
AP-260
(to MDA1/CN3)
(to KYA1/CN801)
(to KYC1/CN805)
– 76 –
Page 79
Keyboard PCB: M920-KYC1
(to KYB1/CN804)
AP-260
– 77 –
Page 80
Ver. 1 : Nov. 2014
• Correction of PARTS LIST (P64, P66 to P68)
CASIO COMPUTER CO., LTD.
CS Technical Department
TOKYO, JAPAN
© 2014 CASIO COMPUTER CO., LTD.
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