Casio AP6BP Service Manual

ELECTRONIC KEYBOARD

AP-6BP

JUN. 2010

AP-6BP

INDEX

AP-6BP

CONTENTS

SPECIFICATIONS ................................................................................................................1

BLOCK AND WIRING DIAGRAM

.......................................................................................3

PCB INFORMATION

............................................................................................................4

CIRCUIT DESCRIPTION

.....................................................................................................5

PRINTED CIRCUIT BOARDS

..............................................................................................7

DISASSEMBLY

..................................................................................................................14

DIAGNOSTIC PROGRAM

.................................................................................................52

EXPLODED VIEW

..............................................................................................................60

PARTS LIST

.......................................................................................................................63

SCHEMATIC DIAGRAMS

..................................................................................................69

AP-6BP

– 1 –

SPECIFICATIONS

Keyboard 88-key piano keyboard, with Touch Response (3 types)
Maximum Polyphony 128 notes
Tones 250 (with Layer and Split)
Effects Reverb (4 types), Chorus (4 types), Brilliance (-3 to 0 to 3), Acoustic Resonance
Metronome Beats per measure: 0, 2, 3, 4, 5, 6

Tempo Range: 20 to 255
Duet Adjustable tone range:
0 to 3 octaves for the left keyboard; -4 to -1 octaves for the right keyboard
Auto Accompaniment Built-in Rhythms: 180
User Rhythms: Up to 10 (Approximately 40 KB* maximum per rhythm)
One Touch Presets: 180 types
Auto Harmonize: 12 types

Demo Songs 68 (8 tone demo songs; 60 Music Library songs)
Music Library Built-in Songs: 60

User Songs: Up to 10 (320 KB* maximum per song)
Music Presets Built-in Presets: 300
User Presets: Up to 50 (Approximately 8 KB* maximum per preset)

Registration (4 rhythm areas + 8 tone areas) × 8 banks
Recorder Functions: Real-time recording, playback

Number of Songs: 5
Number of Tracks: 17 (System Track + Tracks 01 through 16)
Capacity:
Approximately 50,000 notes total (Up to approximately 10,000 notes per song)
Punch-in recording

Pedals Damper (with half-pedal operation), Soft, Sostenuto
Other Functions Transpose: ±1 octave (-12 to 00 to 12)

Tuning: A4 = 440.0 Hz ±99 cents
Octave Shift: ±2 octaves
Temperaments: 17 types
Stretch Tune
Panel Lock

MIDI 16 multi-timbre received, GM Level 1 standard
SD Memory Card SD memory card slot

Supported SD Memory Cards: Up to 2 GB

 Functions:SMFplayback,lestorage,lerecall,cardformat

Inputs/Outputs PHONES jacks: Stereo standard jacks × 2
MIDI OUT/IN terminals
LINE OUT R, L/MONO jacks: Standard jacks × 2

   Outputimpedance:2.8KΩ

Output voltage: 1.8V (RMS) MAX
LINE IN R, L/MONO jacks: Standard jacks × 2

   Inputimpedance:9.0KΩ

Input voltage: 200 mV
USB port: Type B
Pedal connector

AP-6BP

– 2 –

Speakers φ16cm×2+φ5cm×2(Output30W+30W)
Power Requirements 120 V, 220-240 V
Power Consumption 78W
Dimensions Digital Piano and Stand:

 141.2(W)×49.2(D)×90.0(H)cm(55

5

/8 × 19 3/8 × 35 7/16 inch)

Weight Digital Piano and Stand: Approximately 58.2 kg (128.3 lbs)

* Based on 1 KB = 1024 bytes, 1 MB = 10242 bytes

*Specicationsanddesignsaresubjecttochangewithoutnotice.

AP-6BP

– 3 –

BLOCK AND WIRING DIAGRAM

CN11 (7 pin)

CN5

(5 pin)

CN3 (7 pin)

CN2 (16 pin)

CN601 (16 pin)

CN1 (17 pin)

CN602 (17 pin)

CN751 (8 pin)

CN7 (8 pin)

CN2 (20 pin)

CN802 (20 pin)

CN801 (12 pin) CN803 (12 pin)

CN1 (30 pin)

CN804 (30 pin)

CN801 (20 pin)

CN603 (20 pin) CN602 (14 pin)

CN803 (14 pin)

CN601 (14 pin) CN601 (12 pin) CN602 (12 pin)

CN802 (14 pin)

CN12 (12 pin)

CN22 (5 pin)

CN10 (4 pin)

CN701 (4 pin)

CN502 (9 pin)

CN23 (9 pin)

CN1 (2 pin)

CN702 (2 pin)

CN24 (12 pin)

CN15

CN20

CN19

CN16

USB (CN9)

CN604 (5 pin)

SPEAKERS &
TWEETERS

POWER SWITCH

MIDI IN, MIDI OUT (CN503)
LINE IN L/MONO (J501)
LINE IN R (J502)
LINE OUT L/MONO (J503)
LINE OUT R (J504)

PHONES
(J701, J702)

RS

RT

LT

LS

PEDAL

BUTTONS

BUTTONS

MPU

IC5

DAC
IC13

BUTTON

CONTROLLER

LSI1

LCD

LCD

CONTROLLER

LSI2

HEADPHONE

AMPLIFIER

IC1

FILTER

IC7, IC8, IC10

FILTER

IC6

FUSE
(FU1)

FILTER

IC5

POWER

AMPLIFIER

IC202

SDRAM

(256 Mbit)

IC2

SRAM

(2 Mbit)

IC3

VD3 VA3

VF VC

VD18

VD5

LOUT

ROUT

VA5 VD5 VA12

POWER

SUPPLY CIRCUIT

Q7, C107-C113

POWER SUPPLY CIRCUIT

FU201-FU203,

IC2, IC4, C14-C18, C21,

C24, C27, C28, C30, C31,

C36, C38, D1, D2, D5,

D6, D9, D11, D13, D204,

D205, D209, D210

KEY

CONTROLLER

IC14

MAIN PCB
(M900-MDA1)

SUB PCB
(M907-PSA1)

CONSOLE PCB

(M901-LCA1)

CONSOLE PCB
(M901-CNA1)

CONSOLE PCB

(M901-CNA2)

KEYBORAD PCB (MACP-KYB1)

KEYBORAD PCB (MACP-KYD1)

SD CARD PCB

(M810-SDA1)

KEYBORAD PCB (MACP-KYA2)

KEYBORAD PCB (MACP-KYB2) KEYBORAD PCB (MACP-KYA1) KEYBORAD PCB (MACP-KYC1) KEYBORAD PCB (MACP-KYC2)

VOLUME PCB

(M901-CNA4 )

JACK PCB

(M902-HPA1)

JACK PCB (M907-JKA1)

POWER SUPPLY PCB

(M420-ACA1)

T

RANSFORMER

POWER LAMP PCB

(M902-HPA2)

FI0-FI10, SI0-SI10,
KC0-KC7

KI0-KI10, KO0-KO-7, NC

SDD0-SD015

EA0-EA17

ED0-ED7

SDA0-SDA12, SDBA0, SDBA1

NOR FLASH MEMORY

(512 Mbit)

IC6

FCRAM

(32 Mbit)

IC7

A1-A25

A1-A21

D0-D15

D0-D15

AP-6BP

– 4 –

PCB INFORMATION

Classifi cation Parts Name PCB Name Components

Main PCB PCB ASSY / MDA1 M900-MDA1

MPU, Reset IC, SDRAM (256 Mbit),
SRAM (2 Mbit), Flash Memory (512 Mbit),
FCRAM (32 Mbit), Power Supply Circuit,
Key Controller, USB Port

Sub PCB

PCB ASSY / PSA1J (for 120 V)
PCB ASSY / PSA1E (for 230 V)

M907-PSA1

Power Supply Circuit, Filter, Power
Amplifer, Headphones Amplifer

Console PCBs

BL ASSY M901-LCA1 LCD, LCD Controller, Button Controller
PCB ASSY / CNA1 M901-CNA1 Buttons
PCB ASSY / CNA2 M901-CNA2 Buttons

Volume PCB PCB ASSY / CNA4 M901-CNA4 Main Volume
Jack PCBs

PCB ASSY / HPA1 M902-HPA1 Phones Jacks

PCB ASSY / JKA1 M901-JKA1 MIDI IN/OUT Jacks, LINE IN/OUT Jacks
SD Card PCB PCB ASSY / SDA1 M810-SDA1 SD Card Slot
Power Lamp

PCB

PCB ASSY / HPA2 M902-HPA2 Power Lamp
Power Supply

PCB

PCB ASSY / ACA1U (for 120 V)

PCB ASSY / ACA1E (for 230 V)

M420-ACA1 Power Supply Circuit, Fuse (FU1)

Keyboard
PCBs

PCB ASSY / KYA

MACP-KYA1

Keyboard

MACP-KYA2

PCB ASSY / KYB

MACP-KYB1
MACP-KYB2

PCB ASSY / KYC KYD

MACP-KYC1
MACP-KYC2
MACP-KYD1

M901-CNA4

M902-HPA2

MACP-KYA1 MACP-KYA2 MACP-KYB1 MACP-KYB2

M902-HPA1

MACP-KYC1 MACP-KYD1 MACP-KYC2

M901-LCA1 M810-SDA1

M901-CNA1 M901-CNA2

M907-JKA1

M900-MDA1

M907-PSA1M420-ACA1

AP-6BP

– 5 –

CIRCUIT DESCRIPTION

KEY MATRIX



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



KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO7

KI0 A0

3

A0#

3

B0

3

C1

3

C1#

3

D1

3

D1#

3

E1

3

KI1 F1

3

F1#

3

G1

3

G1#

3

A1

3

A1#

3

B1

3

C2

3

KI2 C2#

3

D2

3

D2#

3

E2

3

F2

3

F2#

3

G2

3

G2#

3

KI3 A2

3

A2#

3

B2

3

C3

3

C3#

3

D3

3

D3#

3

E3

3

KI4 F3

3

F3#

3

G3

3

G3#

3

A3

3

A3#

3

B3

3

C4

3

KI5 C4#

3

D4

3

D4#

3

E4

3

F4

3

F4#

3

G4

3

G4#

3

KI6 A4

3

A4#

3

B4

3

C5

3

C5#

3

D5

3

D5#

3

E5

3

KI7 F5

3

F5#

3

G5

3

G5#

3

A5

3

A5#

3

B5

3

C6

3

KI8 C6#

3

D6

3

D6#

3

E6

3

F6

3

F6#

3

G6

3

G6#

3

KI9 A6

3

A6#

3

B6

3

C7

3

C7#

3

D7

3

D7#

3

E7

3

KI10 F7

3

F7#

3

G7

3

G7#

3

A7

3

A7#

3

B7

3

C8

3

AP-6BP

– 6 –

NOMENCLATURE OF KEYS



F#3G#3 A#3 C#4D#4 F#4G#4A#4 C#5D#5 F#5G#5A#5

F3 G3 A3 B3 C4 D4 E4 F4 G4A4 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



KC0 KC1 KC2 KC3

KI0 INTRO/REPEAT

START/STOP,

PLAY/STOP

VARIATION/FILL-IN,



FF

TEMPODOWN

KI1

ACCOMP ON/OFF,

PART

NORMAL/FILL-IN,



REW

TEMPO UP

SYNCHRO/ENDING,

PAUSE

KI2 RECORDER

POPS/JAZZ,

MUSIC PRESET

RHYTHM,

MUSIC LIBRARY

BALLAD/

PIANO RHYTHMS,

RHYTHM EDITOR

KI3

LATIN/WORLD,

MUSIC PRESET

METRONOME

USER RHYTHMS,
RHYTHM EDITOR

―

2KC0 2KC1 2KC2 2KC3 2KC4

2KI4

GRAND PIANO

(MODERN)

ORGAN ELEC PIANO BASS/GUITAR

STORE,

USB DEVICE

MODE

2KI5

STRINGS/

SYNTH-PAD

GRAND PIANO

(CLASSIC)

VARIOUS/

GM TONES

VIBES/CLAVI ―

2KI6

TONE,

REGISTRATION

REVERB,

REV TYPE, EXIT

<

/ NO

SPLIT,

SPLIT POINT, >

―

2KI7

CHORUS,

CHOR TYPE, <

FUNCTION

CARD/

INTERNAL,

SAVE/LOAD,

ENTER

>

/ YES ―

PRINTED CIRCUIT BOARDS

Main PCB: M900-MDA1 Sub PCB: M907-PSA1

AP-6BP

– 7 –

AP-6BP

Console PCB: M901-LCA1Console PCB: M901-CNA1

Console PCB: M901-CNA2

– 8 –

Jack PCB: M902-HPA1 Power Lamp PCB: M902-HPA2 Volume PCB: M901-CNA4

SD Card PCB: M810-SDA1 Power Supply PCB: M420-ACA1 Jack PCB: M907-JKA1

AP-6BP

– 9 –

Pedal PCB: M332-PDA1 Pedal PCB: M332-PDA2

AP-6BP

Keyboard PCB: MACP-KYA1

– 10 –

Keyboard PCB: MACP-KYA2

AP-6BP

Keyboard PCB: MACP-KYB1

– 11 –

Keyboard PCB: MACP-KYB2

AP-6BP

Keyboard PCB: MACP-KYC1

– 12 –

Keyboard PCB: MACP-KYC2

AP-6BP

Keyboard PCB: MACP-KYD1

– 13 –

AP-6BP

– 14 –

DISASSEMBLY

CAUTION



The photos show a prototype. The appearance of the instrument, such as color, may

z

differ from the actual model.
Toavoiddamagestotheinstrumentandtheoor,laytheinstrumentonamattressor

z

blanket before starting disassembling.
There are several kinds of screws. Be sure to use the correct type of screws when

z

reassembling. It is advisable to sort the screws as shown below after removing them.

If a screw cap is attached to a screw, be sure to reattach the screw cap when

z

reassembling.

Before Starting Repair or Servicing



Remove the AC adaptor or the AC cord.

z

Remove accessories such as the music stand.

z

Remove the pedal unit plug from the pedal connector.

z

AP-6BP

– 15 –

Removing the main unit



Undotwoscrewsandtwobutteryboltsonthebottomsurfaceoftheunit.(1)

ButteryboltButterybolt

Screw Screw

BACK

Close the key cover.(2)
Dismount the main unit from the stand.(3)

Dismounting or mounting the unit to the stand must be done by two or more people.NOTE:

AP-6BP

– 16 –

Removing the pedal unit



Undo six screws on the back surface of the stand.(1)

Pedal unit

Undo four screws and then remove the pedal unit.(2)

AP-6BP

– 17 –

Removing the stand



Undo two screws on the back surface of the stand and then remove the stand.(1)

AP-6BP

– 18 –

Removing the T-BRD-ASSY



Undovescrews.(1)

Remove the T-BRD-ASSY.(2)

T-BRD-ASSY

AP-6BP

– 19 –

Removing the MS-TR-BRD-ASSY2



Undovescrews.(1)

Lift up the MS-TR-BRD-ASSY2.(2)

Slide in the direction of the arrow and remove the MS-TR-BRD-ASSY2.(3)

MS-TR-BRD-ASSY2

Slide the ASSY here.

MS-TR-BRD-ASSY2

AP-6BP

– 20 –

Removing the K-COVER-ASSY



Close the key cover.(1)
Undo two screws and then remove two stoppers on the left and right ends.(2)

Open the key cover.(3)
Grip where the stoppers were removed and lift up the gear section of the keyboard cover.(4)

Stoppers

AP-6BP

– 21 –

Slide the keyboard cover at an angle, disengage one of the slide pins off the railing, and remove the (5)
KEY-COVER-ASSY.

K-COVER-ASSY

AP-6BP

– 22 –

About Wiring



Whenreplacingcomponents,youmayhavetoremovesecuringbands,cableties,andwireclips.

If you remove these bands and clips, be sure to secure cables back to the original conditions when
reassembling.

<Wheretosecurecables>

: Cable tie :Wireclip

M902-HPA1, M902-HPA2,
M901-CNA4

M902-HPA1, M902-HPA2, M901-CNA4,
Left speaker, Left tweeter

Right speaker,
Right tweeter

Right speaker, Right tweeter

M902-HPA1, M902-HPA2,
M901-CNA4, Left speaker,
Left tweeter

AP-6BP

– 23 –

Removing the main PCB (M900-MDA1)



Release the locks and remove two FFCs.(1)
Remove four connectors.(2)

Connector (M907-PSA1)

Connector (Pedal connector)

Connector (M810-SDA1)

Connector (M901-LCA1)

FFC (Keyboard)

M900-MDA1 PCB

Undo four screws on the M900-MDA1 PCB bracket.(3)

UndovescrewsandthenremovetheM900-MDA1PCB.(4)

AP-6BP

– 24 –

Removing the sub PCB (M907-PSA1)



Remove eight connectors.(1)

Removeveleadwires.(2)

Undothescrewxingtheferritecore.(3)

Undo six screws and then remove the M907-PSA1 PCB.(4)

M907-PSA1 PCB

Connector

(M902-HPA2)

Connector

(Left speaker)

Five lead wires

(Transformer)

Connector

(M902-HPA1)

Connector

(Left tweeter)

Connector

(Right tweeter)

Connector

(Right speaker)

Connector

(M907-JKA1)

Connector

(M901-CNA4)

Ferrite core

AP-6BP

– 25 –

Removing the power supply PCB (M420-ACA1)



Remove one connector and four lead wires.(1)

Undo four screws and then remove the M420-ACA1 PCB.(2)

M420-ACA1 PCB

Two lead wires
(Power switch)

Two lead wires

(Transformer)

Connector

(AC-CORD-ASSY)

<Cautions for Assembling>

If a wire wrapping tool is unavailable, follow the steps below to set the lead wires.

Wraptheleadwirearoundthewrappingpost.(1)
Solder the lead wire wrapped around the post.(2)

Avoid overheating the wrapping post, or it may melt the soldered part that is NOTE:
securing the post in place.

Lead wire

Wrapping post

Wrap it around
the post and solder.

Cut the excess wire.

PCB

Soldered part
securing the post.

AP-6BP

– 26 –

Removing the transformer



Remove seven lead wires.(1)

Undo four screws and then remove the transformer.(2)

Two lead wires

(M420-ACA1)

Five lead wires

(M907-PSA1)

<Cautions for Assembling>

If a wire wrapping tool is unavailable, follow the steps below to set the lead wires.

Wraptheleadwirearoundthewrappingpost.(1)
Solder the lead wire wrapped around the post.(2)

Avoid overheating the wrapping post, or it may melt the plastic part that is NOTE:
holding the post in place.

Lead wire

Transformer

Plastic part
securing the post

Wrapping post

Wrap it around
the post and solder.

Cut the excess wire.

AP-6BP

– 27 –

Removing the AC-CORD-ASSY (for 120 V area)



Remove the connector connected to the M420-ACA1 PCB.(1)
Undo two screws and then remove the AC-CORD-ASSY.(2)

Removing the AC-INLET-ASSY (for 230 V area)



Remove the two lead wires connected to the M420-ACA1 PCB.(1)
Undo two screws and then remove the AC-INLET-ASSY.(2)

Removing the jack PCB (M907-JKA1)



Undo three screws on the M907-JKA1 PCB bracket.(1)

Connector

(AC-CORD-ASSY)

Two lead wires

(AC-INLET-ASSY)

M420-ACA1 PCB

M420-ACA1 PCB

M907-JKA1 PCB

Undo two screws and four nuts and then remove the M907-JKA1 PCB.(2)

AP-6BP

– 28 –

Removing the peal connector



Undo three screws.(1)
Remove the pedal connector from the bracket.(2)

Ferrite core

Removing the panel unit



Undo eight screws and then remove the panel unit.(1)

There are two types of screws. Be sure to use the correct screw when reassembling.NOTE:

Panel unit

Panel unit

AP-6BP

– 29 –

Removing the console PCBs (M901-CNA1/CNA2, M901-LCA1)



Undo two screws on the bracket.(1)

Undo 13 screws on the M901-CNA1 PCB.(2)

Undo 12 screws on the M901-CNA2 PCB.(3)

M901-CNA1 PCB M901-LCA1 PCB M901-CNA2 PCB

AP-6BP

– 30 –

Undo four screws on the M901-LCA1 PCB.(4)

The spacer may come loose in this step. Be sure to place the spacer back in place when NOTE:

reassembling.

Remove the M901-CNA1 PCB, M901-CNA2 PCB and M901-LCA1 PCB.(

5)

Unsolder two FFCs conected to the M901-LCA1 PCB, and remove the M901-CNA1 PCB and the (6)
M901-CNA2 PCB.

Spacer

M901-CNA1 PCB M901-LCA1 PCB

FFC (M901-CNA2)

FFC (M901-CNA1)

M901-CNA2 PCB

AP-6BP

– 31 –

Removing the buttons



Once the M901-CNA1 and the M901-CNA2 PCBs are removed, you may disassemble the buttons, the
LED cover, the LED spacer, and the nonwoven band.

AP-6BP

– 32 –

Removing the SD card PCB (M810-SDA1)



Undo two screws on the M810-SDA1 PCB bracket.(1)

Undo two screws and then remove the M810-SDA1 PCB.(2)

Removing the left side unit



Undo two screws on the bottom surface of the unit.(1)

Remove the left side unit(2)

AP-6BP

– 33 –

Removing the jack PCB (M902-HPA1)



Undo two screws and then remove the M902-HPA1 PCB.(1)

Undo three screws and then remove the M901-CNA4 PCB.(2)

Removing the volume PCB (M900-CNA4)



Remove the volume knob.(1)

Removing the power switch



Undo two screws and then remove the power switch.(1)

M901-CNA4 PCB

AP-6BP

– 34 –

Removing the right side unit



Undo two screws on the bottom surface of the unit.(1)

Remove the right side unit.(2)

Removing the speaker



Undo four screws and then remove the speaker.(1)

The speaker net also comes off.NOTE:

Similarly remove the other speaker.(2)

AP-6BP

– 35 –

Removing the tweeter



Undo two screws and then remove the tweeter.(1)
Similarly remove the other tweeter.(2)

Removing the KY-ASSY



Undo four screws and then remove the tweeter brackets.(1)

Tweeter brackets

Undo three screws.(2)

AP-6BP

– 36 –

Undo seven screws and then remove the bracket.(3)

Undo 19 screws.(4)

AP-6BP

– 37 –

Undo three screws and then remove the KY-ASSY.(5)

KY-ASSY

<Caution when replacing with a new part>

After replacing the FFCs for the keyboard PCBs, fold the FFCs in shape at the length indicated in the (

1)
illustration below.

To attach sponges to the FFCs to the keyboard PCBs, refer to the illustration below for its position.(

2)

35 ± 5 mm

35 ± 5 mm

110 mm

25 mm

FFC

AP-6BP

– 38 –

Removing the power lamp PCB (M902-HPA2)



Remove three tapes.(1)

Undo two screws and then remove the M902-HPA2 PCB.(2)

AP-6BP

– 39 –

Removing the keys



<Removing the keys>

To remove the keys, you will need two of the tools described below.

Beforeremovingablackkey,youmust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difcult.

If the tool is too thick, it may damage the rib of the chassis.

<Tool dimensions>

Width:

15 ~ 20 mm

R = 2.75 mm

Use this part to
remove the key.

7 mm

Thickness:
within 1.2 ~ 1.3 mm

AP-6BP

– 40 –

Insert the two tools between the rib of the chassis and a key.(1)
Whenthetoolsareinsertedtoacertaindepth,thekeybeginstobeliftedandcanthenberemoved.(2)

<Cross-section image>

Tools

Chassis

Tool

Key

Rib of the chassis

AP-6BP

– 41 –

<Installing the keys>

Refer to the illustration below for the location of each white key.
Be sure to install each key at its designated location.
All black keys are the same. A black key may be installed at any correct black-key location.

A code is indicated at the foot of each key.

CSA E G

DB F ABCDEFG

A C E G

B D F ABCDEFG

A C E G

B D F ABCDEFG

A C E G

B D F ABSC

Install a black key before installing the white keys on either of its sides.
Follow the same procedures below to install a black or white key.

Assemble a key to a hammer.(

1)
Presstheprotrusionofthechassisrmlyintothekeyhole.(2)
Press the key to see if it moves properly.(3)

Assemble a key to a hammer.

Set securely into the chassis.

AP-6BP

– 42 –

Removing the hammers



Place the chassis upside down so that the hammers are visible.(1)
Press the chassis with the tip of tweezers.(2)
Whilecatchingahammerwithtweezers,setthetweezersagainsttheresinpartofthechassis.(3)
Using the chassis-tweezer contact as a fulcrum point, press down against the resin part in the (4)

direction of the red arrow in the illustration below, and then disengage the hammer.

You must press the resin part of the hammer. N

OTE:

Pressing on the metal part of the hammer may damage the area connected to the resin.

Press down the resin part.

Fulcrum point

Tweezers

AP-6BP

– 43 –

<About the hammers>

There are several kinds of hammers.

Thetypeofahammermaybeidentiedbythecodeengravedonit.

Type of Hammer (for a white key)

Hammer Code (for a white key)

Hammer Code (for a black key)

Type of Hammer (for a black key)

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.

<Location to install the hammer>

A hammer must be installed at the correct location according to its type.
The combination of hammers and keys are shown below.

W1(13keys)

<Hammers for white keys>

<Hammers for black keys>

B1 (9 keys) B2 (9 keys) B3 (9 keys) B4 (9 keys)

W2(13keys) W3(13keys) W4(13keys)

AP-6BP

– 44 –

<Installing the hammers>

Be sure to install each hammer at its designated location. If a hammer does not move
smoothly, check if it is installed at the correct location.

Follow the same procedures shown below to install a hammer for both black and white keys.

Use the tweezers to set a hammer at its correct location.(

1)
Press the chassis with the tip of tweezers.(2)
Using the chassis-tweezers contact as a fulcrum point, press down the metal part of the (3)

hammer in the direction of the red arrow in the illustration below, and then install the
hammer.

Press down against the metal part.

Fulcrum point

Tweezers

Locked at this point

AP-6BP

– 45 –

Removing the keyboard PCBs (MACP-KYC1/KYC2, KYD1)



Remove eight rubber keys.(1)

One rubber key is shorter than the others.NOTE:

Remove the nonwoven tape.(2)
Undo 23 screws.(3)

Rubber keys Short rubber key

Rubber keys

Short rubber key

Nonwoven tape

MACP-KYC1 PCB MACP-KYD1 PCB MACP-KYC2 PCB

AP-6BP

– 46 –

Locate the FFC connected on the back of the MACP-KYD1 PCB. Unlock the connector to remove (4)
the FFC, and then disengage the MACP-KYC1 PCB, the KYC2 PCB, and the MACP-KYD1 PCB.

FFC

MACP-KYC1 PCB MACP-KYD1 PCB

MACP-KYD1 PCB

MACP-KYC2 PCB

AP-6BP

– 47 –

<Installing the keyboard PCBs (MACP-KYC1/KYC2, KYD1)>

Connect the FFC to the MACP-KYD1 PCB and lock the connector. (1)
Be sure to connect it securely.

FFC

Install eight rubber keys. (2)
Be sure to install the short rubber key at the correct location.

LightlyinsertthetipofarubberkeyintothePCBrst,andthen,pressitinusingthe

end of a paper clip. Do not press the rubber key forcefully to avoid damaging the rubber
key.

Secure the MACP-KYC1 PCB, the KYC2 PCB, and the MACP-KYD1 PCB with 23 (3)
screws.
Press the PCBs lightly in the direction of the red arrow in the illustration below while
tightening a screw.

AP-6BP

– 48 –

Removing the keyboard PCBs (MACP-KYA1/KYA2, KYB1/KYB2)



Remove the nonwoven tape. Unlock the connector and disengage the FFC connecting the MACP-(1)
KYA2 PCB and the MACP-KYB1.

Undo 26 screws.(

2)

Unlock the connector and disengage the FFC connected to the MACP-KYB1 PCB.(3)

WhenremovingtheFFC,becarefulnottopullittoomuchinthedirectionoftheredarrowinNOTE:

the illustration, or the PLATE on the back may come loose.

FFC

Nonwoven tape

MACP-KYA1 PCB MACP-KYA2 PCB MACP-KYB1 PCB MACP-KYB2 PCB

MACP-KYB1 PCB

FFC

<If the PLATE comes off>
The PLATE is a transparent plastic plate. If the plate comes off, put it on the place where the FFC is,
and insert its end into place where the blue line is shown in the image.

AP-6BP

– 49 –

Remove the keyboard PCBs (MACP-KYA1/KYA2, KYB1/KYB2).(4)

MACP-KYB1 PCBMACP-KYB2 PCB

MACP-KYA2 PCB MACP-KYA1 PCB

Remove eight rubber keys.(5)

One rubber key is shorter than the others.NOTE:

Rubber keys Short rubber key

Rubber keys

Short rubber key

AP-6BP

– 50 –

<Installing the keyboard PCBs (MACP-KYA1/KYA2, KYB1/KYB2)>

Place eight rubber keys on the chassis. (1)
Be sure to place the short rubber key in the correct location.

Connect the FFC to the MACP-KYB1 PCB and lock the connector.(2)

WhenconnectingtheFFC,becarefulnottopullittoomuchinthedirectionofNOTE:

the red arrow in the illustration, or the PLATE on the back may come loose.

MACP-KYB1 PCB

FFC

<If the PLATE comes off>
The PLATE is a transparent plastic plate. If the plate comes off, put it on the place
where the FFC is, and insert its end into place where the blue line is shown in the
image.

AP-6BP

– 51 –

Insert the MACP-KYA1/KYA2 PCB and MACP-KYB1/KYB2 PCB at an angle against (3)
the chassis, and place them while paying attention not to misalign the rubber keys.

1

2

WhileplacingthePCBs,thecontactwiththerubberkeysmaycomeoutofalignment.(4)
Align them against the red dotted line in the illustration below, lift the PCB once in the
direction of the red arrow, and then place them again.

Secure the MACP-KYA1/KYA2 PCBs, and the MACP-KYB1/KYB2 PCBs with 26 (5)
screws. Press the PCBs lightly in the direction of the red arrow in the illustration below
while tightening a screw.

AP-6BP

– 52 –

DIAGNOSTIC PROGRAM

Initial Setting



Connect the AC cord.(1)
Connect the pedal unit.(2)

Even if a pedal unit is unavailable for the test, all the tests except for the pedal check may be
performed.

"Main" volume: MAX(

3)
Have a PC and a USB cable ready. (They will be used in the USB check.)(4)

OperatingSystem: Windows

®

XP (SP2 or later) *1

   WindowsVista

®

*2

   Windows

®

7 *3

Mac OS® X (10.3.9, 10.4.11 or later, 10.5.6 or later, 10.6.2 or later)

*1:WindowsXPHomeEdition/WindowsXPProfessional(32bit)
*2:WindowsVista(32bit)
*3:Windows7(32bit,64bit)

How to start the diagnostic program



Hold down the "FUNCTION", "(1)

<

/ NO", and "

>

/ YES" buttons at the same time, to turn the power

ON. After the diagnostic program is launched, Sub CPU ROM check will start.

The message below appears on the LCD.

TestMode MX907
SubCPU COM OK

Release the "FUNCTION", "(2)

<

/ NO", and "

>

/ YES"

buttons.

Besuretoturnoffthepowerwhenthetestisnished.

AP-6BP

– 53 –

Test Items



After starting the diagnostic program, pushing the test button will enable these items to be tested.

Test Items Buttons Note

RAM check MODERN
ROM check,

Flash Memory check

CLASSIC

CheckSUMtest,Read/Writetest

ROM Version check ELEC PIANO
LED check VIBES/CLAVI
LCD check ORGAN
Button check STRINGS/SYNTH-PAD
Pedal check BASS/GUITAR Pedal unit
Key check REPEAT
Headphones check POPS/JAZZ Headphones
MIDI check LATIN/WORLD MIDI cable
USB check BALLAD/PIANO RHYTHM PC, USB cable
SD Card check USER RHYTHMS SD card

Diagnostic program



RAM check

(1) Press the "MODERN" button to perform the "RAM check".

TheconrmationchordC6sounds,and"OK"appearsontheLCD.

ROM check and Flash Memory check (Check SUM test, Read/Write test)

(1) Press the "CLASSIC" button to perform the "ROM check".

TheconrmationchordC6sounds,and"OK"appearsontheLCD.

(2) Press the "STORE" button to perform the "Flash Memory check

(Check SUM test)".
The check will be completed in approximately 15 seconds.

TheconrmationchordC6sounds,and"OK"appearsontheLCD.

(3) Press the "RHYTHM" button to perform the "Flash Memory check

(Read/write test)".

TheconrmationchordC6sounds,and"OK"appearsontheLCD.

TestMode MX907
RAM CHECK
RAM:OK

TestMode MX907
IROM CHECK
IROM:OK

TestMode MX907
FLASH TEST
FLSH:OK

TestMode MX907
FLASH R/W TEST
FLSH:OK

AP-6BP

– 54 –

ROM version check

(1) Press the "ELEC PIANO" button to perform the "ROM version check".

Check that the ROM version is as shown in the right.

LED check

(1) Press the "VIBES/CLAVI" button to perform the "LED check".

Check that the following LEDs are lit.

"REPEAT","REW","FF","PAUSE","PLAY/STOPLeft/Right",

"ACCOMP"

(2) Press the "STORE" button.

Check that the following LEDs are lit.
"RECORDER", "RHYTHM", "MUSIC LIBRARY", "POPS/JAZZ",

"LATIN/WORLD","BALLAD/PIANORHYTHMS","USERRHYTHMS"

(3) Press the "STORE" button.

Check that the following LEDs are lit.
"MODERN", "CLASSIC", "ELEC PIANO", "VIBES/CLAVI", "ORGAN",
"STRINGS/SYNTH-PAD", "BASS/GUITAR", "VARIOUS/GM TONES"

ROM VERSION
IROM:01.00
FLSH:01.00
SUBC:01.00

TestMode MX907
LED CHECK
LEFT BLOCK

TestMode MX907
LED CHECK
RHYTHM BLOCK

TestMode MX907
LED CHECK
TONE BLOCK

AP-6BP

– 55 –

(4) Press the "STORE" button.

Check that the following LEDs are lit.
"TONE", "REGISTRATION", "FUNCTION", "REVERB", "CHORUS",
"SPLIT", "CARD/INTERNAL"

(5) Press the "STORE" button.

Check that the following LEDs are lit.
"REPEAT", "PAUSE", "PLAY/STOP Right", "ACCOMP", "RECORDER",
"RHYTHM", "POPS/JAZZ", "TONE", "FUNCTION", "REVERB",
"CHORUS", "SPLIT", "MODERN"

LCD check

(1) Press the "ORGAN" button to perform the "LCD check".

Check that all dots are lit.

(

2) Press the "STORE" button.
Check that all dots are turned off.

TestMode MX907
LED CHECK
RIGHT BLOCK

TestMode MX907
LED CHECK
SPEC MAX

AP-6BP

– 56 –

(3) Press the "STORE" button.

Check that vertical stripes with 1-dot intervals are shown.

(

4) Press the "STORE" button.
Check that horizontal stripes with 1-dot intervals are shown.

Button check

(1) Press the "STRINGS/SYNTH-PAD" button to select the "Button check".

Press the button in the order indicated in the illustration below.(

2)
If the button function is OK:

 TheconrmationchordC6,sounds,andthebuttonnumberwillbedisplayed.

If a button function is not operating properly or a button is pressed in a wrong order:
An error tone (F2) sounds, and the button number will be displayed.

01 02 03 04 05 06 07 08 12 13 14 15

09 10 11

16

24 25 26 27 28 29 30 31 32

17

18 19 20

21 22

23

(3) Press the "STORE" button the last.

TheconrmationchordsC4,E4,G4sound.

TestMode MX907
SWITCH CHECK

TestMode MX907
SWITCH CHECK
OK:32

AP-6BP

– 57 –

Pedal check

(1) Press the "BASS/GUITAR" button to select the "Pedal check".

(

2) Press the "DAMPER" pedal (ON HALF).

TheconrmationchordC4sounds.

(3) Pressthe"DAMPER"pedalrmly(ONFULL).

TheconrmationchordC4sounds.

(4) Press the "SOSTENUTO" pedal.

TheconrmationchordG4sounds.

(5) Press the "SOFT" pedal.

TheconrmationchordE4sounds.

Key check

Check all white and black keys.NOTE:

(1) Press the “REPEAT” button to select the “Key check”.

Press a key to see if the tone sounds as follows.(

2)

Key

External Speaker (Headphones)

Left Right

Press a key

half way

Test tone sounds.

(C4: approx 500 Hz)

―

Press a key

all the way

Test tone sounds.

(C4: approx 500 Hz)

Test tone sounds.

(C6: approx 2 kHz)

Sf00 St00 Dp00
BenderOK
Note00 Vel00

Sf00 St00 Dp40
BenderOK
Note00 Vel00

Sf00 St00 Dp7F
BenderOK
Note00 Vel00

Sf00 St7F Dp00
BenderOK
Note00 Vel00

Sf7F St00 Dp00
BenderOK
Note00 Vel00

TestMode MX907
KEY CHECK 1

AP-6BP

– 58 –

Headphones check

Whencheckingheadphones,testbothPHONEjacks.NOTE:

(1) Press the "POPS/JAZZ" button to select the "Headphones check".

(

2) Connect the headphones to the phones jack.
Check that “OK” appears on the LCD.

Press any key.(

3)
Check that you can hear the test chord A4 through the headphones.

Remove the headphones from the jack.(

4)

MIDI check

Connect the MIDI IN jack to the MIDI OUT jack with a MIDI cable.(1)

(2) Pressthe"LATIN/WORLD"buttontoperformthe"MIDIcheck".

TheconrmationchordC6soundsandthemessageshownintheright

appears.

Disconnect the MIDI cable.(

3)

USB check

Connect AP-6BP to the computer with a USB cable.(1)

(2) Press the "BALLAD/PIANO RHYTHM" button to perform the

"USB check".

TheconrmationchordC6soundsandthemessageshownintheright

appears.
Disconnect the USB cable.(

3)

SD Card check

Insert an SD card into the SD card slot.(1)

(2) Press the "USER RHYTHMS" button to perform the "SD Card check".

TheconrmationchordC6soundsandthemessageshownintheright

appears.
Remove the SD card.(

3)

TestMode MX907
HEADPHONE CHECK
HP:NG

TestMode MX907
HEADPHONE CHECK
HP:OK

TestMode MX907
MIDI CHECK
MIDI:OK

TestMode MX907
USB CHECK
USB:OK

TestMode MX907
SDCARD CHECK
SDCARD:OK

AP-6BP

– 59 –

Operation after replacing the main PCB or the keyboard parts

Make sure to perform the following procedure after replacing the main PCB or the
keyboard parts.

Applicable parts number on the Parts List:
No.1 for the main PCB, No. 71 to 103 for the KY-ASSY or the KY-ASSY component parts

<Procedure>

Hold down the "(1)

<

/ NO", "

>

/ YES", and "STORE" buttons at the same time, to turn the power ON.
The following LEDs are lit.
"TONE", FUNCTION", "REVERB", "CARD/INTERNAL", "MODERN", "CLASSIC", "ELEC PIANO",
"STRINGS/SYNTH-PAD", "BASS/GUITAR", "VARIOUS/GM TONES"

Release the "(

2)

<

/ NO", "

>

/ YES", and "STORE" buttons.

All the LEDs turn off except "TONE" and "REVERB" LEDs.
Press the "REVERB" button. (

3)
The "REVERB" and "STRINGS/SYNTH-PAD" LEDs are lit.

Press the "STRINGS/SYNTH-PAD" button. (

4)
The "REVERB" and "BASS/GUITAR" LEDs are lit.

Press the "BASS/GUITAR" button. (

5)
The "REVERB" and "VARIOUS/GM TONES" LEDs are lit.

Press the "VARIOUS/GM TONES" button. (

6)
The following LEDs are lit.
"FUNCTION", "REVERB", "CARD/INTERNAL", "VARIOUS/GM TONES"

Press the "STORE" button.(

7)
Pressthe"POWER"buttontoturnoffthepower.(8)

AP-6BP

– 60 –

EXPLODED VIEW

BUTTONs & BUTTON LEDs

UPPER CASE

14

15

17

17

18

16

19

21

12

7

5

6

8

11

13

10

9

27

4

23

25

26

26

35

36

36

36

38

29

39

6

8

5

7

10

4

11

M901-CNA2 PCB

M901-CNA1 PCB

29

34

29

31

32

33

40

30

31

29

37

37

34

28

24

20

22

18

AP-6BP

– 61 –

MAIN CASE

46

46

47

47

45

45

48

50

56

42

43

57

62

63

61

58

59

66

67

65

64

44

60

69

57

42

68

41

51

2

1

54

55

52

53

56

3

52

49

70

AP-6BP

– 62 –

× 4

× 1

× 2
× 1

× 6
× 1
× 2

× 4

× 2

KEY ASSY

STAND

71

78

77

82

72

75

73

76

95

89

95

89

74

79

83

80

84

81

85

101

103

100

100

102

99

117

116

115

114

106

107

105

108

108

111

111

112

112

113

109

109

110

110

104

104

118

98

96

97

95

97

89

90

92

86

88

94

91

87

93

103

102

99

98

111

111

113

– 63 –

Notes:

1. Pricesandspecicationsaresubjecttochange

without prior notice.

2. Refer to the latest "Parts Price Code" at
"PARTSFINDER"ontheCasioServiceWEBsite
(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.

PARTS LIST

AP-6BP

AP-6BP

– 64 –

AP-6_BLACKPOLISH_DI_120V1:
AP-6_BLACKPOLISH_DI_230V2:
AP-6_BLACKPOLISH_EU3:
AP-6_BLACKPOLISH_UK4:
AP-6_BLACKPOLISH_US5:

12345

MAIN PCB

1 10347177 PCB ASSY / MDA1 TK-RJM510031*001 11111 BMDA1 PCB
D31 10276977 DIODE L1SS400T1G 11111 X
IC13 10256338 IC CS4351-CZZR 11111 X

IC1 10241413 IC R1151N001C-TR-F 11111 X

IC11 10226394 IC TC74VHC08FT(EL.K) 11111 X

IC8 10123002 IC TC74VHC174FT(EL) 11111 X
IC9 10258396 IC TC74VHC541FT(EL.K) 11111 X
IC4 10197554 IC TC7SZ126FU(TE85L.F 11111 X

IC10 10206819 IC TC7SZ32FU(TE85L.F) 11111 X

IC5 10255468 LSI MB91F036PFF-GE1 11111 C

IC14 10333782 LSI UPD65943GK-F659EUA 11111 C

IC3 10197390 MEMORY LP62S2048AX70LLTFQ 11111 X
IC7 10333110 MEMORY MB82DP02183F65LTBG 11111 X
IC2 10333111 MEMORY MD56V82160-6TAZ03B 11111 X
IC6 10335496 MEMORY S29GL512P10TFCR20D 11111 X
L39 10193074 COIL DLW21HN181SQ2L 11111 X

Q8,Q9 69409403 TRANSISTOR 2SA1576AT106R 22222 X

Q7 22592764 TRANSISTOR 2SB1188T100Q 11111 X

Q10 69300298 TRANSISTOR 2SC4081T106R 11111 X

X1,X31 10334293 RESONATOR 9C12000163 22222 X

CN9 10257512 CONNECTOR UBR23-4K5G00 11111 USB connector

SUB PCB

2 10347175 PCB ASSY / PSA1J TK-RJM510027*001 1 1 C PSA1 PCB for 120 V

2 10347176 PCB ASSY / PSA1E TK-RJM510029*001 1 1 1 C PSA1 PCB for 230 V

FU201 10342163 FUSE 51MS020L 1 1 C

FU202,FU203 10047400 FUSE 51MS063L 2 2 C

FU201 10342162 FUSE 50T020H 1 1 1 C

FU202,FU203 10047413 FUSE 50T063H 2 2 2 C

D1,D2,D5,D6 10261171 DIODE 1A2-A2 44444 X
D11,D13,D15 10276977 DIODE L1SS400T1G 33333 X

D9 10210387 DIODE RSX101VA-30TR 11111 X

IC5-IC8,IC10 10211950 IC NJM2068M-D(TE1) 55555 X

Q1-Q8,Q11 69300298 TRANSISTOR 2SC4081T106R 99999 X

Q14,Q15 10305853 TRANSISTOR KTD1304-RTK/P 22222 X
D18,D19 10308381 DIODE LUDZS7.5BT1G 22222 X

D14 10334296 DIODE LUDZS8.2BT1G 11111 X

IC1 10343240 IC BH3544F-E2 11111 X

D204,D205,

D209,D210

10328324 DIODE 1N5401-C332 44444 X

IC4 10257492 IC NJM78M12FA 11111 X
IC2 10201503 IC PQ1CG21H2FZH 11111 X

IC202 10342181 IC STK433-060-E 11111 X

JACK PCB

3 10347191 PCB ASSY / JKA1 TK-RJM510033*001 11111 CJKA1 PCB

D501 10276977 DIODE L1SS400T1G 11111
D502 10314562 PHOTO COUPLER QCPL-M614-500E 11111

Q501 69300298 TRANSISTOR 2SC4081T106R 11111

CN503 10207671 CONNECTOR HDC-052SP-02 11111 CMIDI jack

J503 10206815 CONNECTOR JY-6314*01-030 11111 BLINE-OUT L/MONO

J501,J502,J504 10206816 CONNECTOR JY-6314*01-130 33333 BLINE-IN / LINE-OUT R

L502 10231919 COIL RB53-856396NP

11111

L501,L503-L506 10231920 COIL RB53-856397NP 55555

Specification R RemarksN Item Code No. Parts Name

Price
Code

Q'ty

AP-6BP

– 65 –

AP-6_BLACKPOLISHH_DI_120V1:
AP-6_BLACKPOLISH_DI_230V2:
AP-6_BLACKPOLISH_EU3:
AP-6_BLACKPOLISH_UK4:
AP-6_BLACKPOLISH_US5:

12345

Specification R RemarksN Item Code No. Parts Name

Price
Code

Q'ty

CONSOLE PCB

4 10346445 PCB ASSY / CNA1 TK-RJM509707*001 11111 XCNA1 PCB

D601-D604,

D606-D614

10336974 LED 26-21/R1 13 13 13 13 13 X

D605 10336975 LED 26-21/Y1 11111 X

SW601-SW615 10337110 SWITCH TP-1138A-10-100GF 15 15 15 15 15 X

5 10214335 PACKING -12X25 RJM506365-001 11111 X

6 10209204 PACKING -10X148 RJM506160-001 11111 X

7 10214400 PACKING -10X245 RJM506158-001 11111 X

8 10351210 DOUBLE-FACED TAPE -5-40 RJM510233-001 22222 X

9 10346448 BL ASSY TK-RJM509840*001 11111 XBACK LIGHT

D2 10336988 LED HSW1142LT-13-TR 11111 X

LSI1 10291684 LSI D78F1153GK-GAK-AX 11111 C

Q3,Q27 69409403 TRANSISTOR 2SA1576AT106R 22222 X

Q1,Q2,Q25,Q26 10178530 TRANSISTOR 2SA1873-GR(TE85L.F 44444 X

Q9-Q11 10209027 TRANSISTOR KTC4076-Y-RTK/P 33333 X

D3 10308381 DIODE LUDZS7.5BT1G 11111 X
10 10346446 PCB ASSY / CNA2 TK-RJM509709*001 11111 XCNA2 PCB

D650 10276977 DIODE L1SS400T1G 11111 X

D615-D629 10336974 LED 26-21/R1 15 15 15 15 15 X

SW616-SW632 10337110 SWITCH TP-1138A-10-100GF 17 17 17 17 17 X

11 10214574 PACKING -10X223 RJM506391-001 22222 X
12 10310734 PCB ASSY / SDA1 TK-RJM508899*001 11111 XSDA1 PCB

IC751 10226394 IC TC74VHC08FT(EL.K) 11111 X

13 10342272 BRACKET / SD RJM509562-001 11111 X

TOP CASE and KEY COVER

14 10366636 BORAD ASSY / TOP TK-RJM509351*002 11111 X
15 10218677 BRACKET RJM505977-001 55555 X
16 10366637 KEY COVER ASSY TK-RJM509352*002 11111 C
17 10337936 GEAR RJM509608-001 22222 C
18 10211851 SLIDE CAP RJM505899-001 22222 C
19 10366638 BORAD ASSY / MS-TR TK-RJM509699*002 11111 X
20 10354378 SCORE-BASE-ASSY TK-RJM510252*001 11111 X

CONSOLE UNIT

21 10347179 SPEAKER COVER / L TK-RJM509941*001 11111 X
22 10347195 SPEAKER COVER / R TK-RJM509942*001 11111 X
23 10366639 PANEL ASSY TK-RJM509362*002 11111 X
24 10342145 PLATE / DISPLAY RJM509502-001 11111 X
25 10342133 BRACKET RJM509678-001 66666 X
26 10260138 FABRIC TAPE -30X20 M411136-004 33333 X
27 10337091 SPACER RJM509862-001 44444 X
28 10337938 KY FELT RJM509922-001 11111 X
29 10337051 BUTTON / TACT / A RJM509408-001 44444 X
30 10337029 BUTTON / TACT / B RJM509396-001 11111 X
31 10337030 BUTTON / TACT / B RJM509396-002 33333 X
32 10337031 BUTTON / TACT / C RJM509397-001 11111 X
33 10337032 BUTTON / TACT / C RJM509397-002 11111 X
34 10337033 BUTTON / TACT / C RJM509397-003 44444 X
35 10337054 COVER / LED RJM509410-001 13 13 13 13 13 X
36 10337055 SPACER / LED / A RJM509411-001 77777 X
37 10337056 SPACER / LED / B RJM509412-001 33333 X
38 10337057 SPACER / LED / C RJM509413-001 11111 X
39 10346399 FABRIC SHEET / A RJM509545-001 11111 X
40 10346400 FABRIC SHEET / B RJM509546-001 11111 X

AP-6BP

– 66 –

AP-6_BLACKPOLISHH_DI_120V1:
AP-6_BLACKPOLISH_DI_230V2:
AP-6_BLACKPOLISH_EU3:
AP-6_BLACKPOLISH_UK4:
AP-6_BLACKPOLISH_US5:

12345

Specification R RemarksN Item Code No. Parts Name

Price
Code

Q'ty

MEIN CASE UNIT

41 10366640 MAIN CASE ASSY TK-RJM509357*002 11111 X
42 10342284 SPEAKER C16J01 22222 X
43 10164047 HARNESS / SPEAKER / L EH-2P-48-M420 11111 X
44 10342167 HARNESS / SPEAKER / R EF-EH2P067M907 11111 X
45 10342321 BRACKET / TWEETER / L RJM509679-001 22222 X
46 10342322 BRACKET / TWEETER / R RJM509680-001 22222 X
47 10285382 TWEETER C05JT01 22222 X
48 10265690 HARNESS / TWEETER / L PH-2P-50-M332 11111 X
49 10342168 HARNESS / TWEETER / R EF-PH2P069M907 11111 X
50 10347193 PCB ASSY / ACA1U TK-RJM510023*001 1 1 X ACA1U PCB for 120 V

FU1 10052230 FUSE 51MS040L 1 1 C

50 10347194 PCB ASSY / ACA1E TK-RJM510025*001 1 1 1 X ACA1E PCB for 230 V

FU1 10047508 FUSE 50T025H 1 1 1 C

51 10342319 TRANSFORMER TE-437-1M1B 1 1 X
51 10233375 TRANSFORMER TE-437-2M1A 1 1 1 X
52 10204256 FERRITE CORE TRCN16-13 22222 X
53 10342172 HARNESS / PEDAL EF-SMP5P028M907 11111 X
54 10337922 BRACKET / MDA1 / L RJM509526-001 11111 X
55 10337923 BRACKET / MDA1 / R RJM509527-001 11111 X
56 10184475 STOPPER RJM505299-001 22222 X
57 10260138 FABRIC TAPE -30X20 M411136-004 33333 X
58 10366641 BOARD ASSY / FRONT TK-RJM509359*002 11111 X
59 10366642 PCB ASSY / HPA2 TK-RJM509668*004 11111 XHPA2 PCB

D701 10203050 LED 231XHD 11111 X

60 10269833 RUBBER FOOT RJM507817-001 22222 X
61 10364996 SIDE CASE / L RJM507140-003V02 11111 X
62 10193270 KNOB / ROTARY RJM502503-008 11111 C
63 69245260 BUTTON / POWER M340318-001 11111 C
64 10347199 PCB ASSY / HPA1 TK-RJM510090*001 11111 CHPA1 PCB

J701,J702 10171449 CONNECTOR JY-6360*04-070 22222 CHeadphones jack

L701,L702 10231919 COIL RB53-856396NP 22222 X

65 10260138 FABRIC TAPE -30X20 M411136-004 11111 X
66 10347180 PCB ASSY / CNA4 TK-RJM510035*001 11111 CCNA4 PCB

VR601 10122556 VARIABLE RESISTOR RK09K12C0D1A 11111 CMain volume

67 10347181 SWITCH ASSY / POWER TK-RJM510020*001 11111 B
68 10351435 SIDE CASE / R RJM507141-002V02 11111 X
69 10164278 AC CORD ASSY TK-RJM503864*002 1 1 X for US,DI AC120V
70 10164279 AC INLET ASSY TK-RJM503865*001 1 1 1 X for 230V

AP-6BP

– 67 –

AP-6_BLACKPOLISHH_DI_120V1:
AP-6_BLACKPOLISH_DI_230V2:
AP-6_BLACKPOLISH_EU3:
AP-6_BLACKPOLISH_UK4:
AP-6_BLACKPOLISH_US5:

12345

Specification R RemarksN Item Code No. Parts Name

Price
Code

Q'ty

KEYBOARD UNIT

71 10348588 KEYBOARD ASSY TK-RJM510156*004 11111 C
72 10337877 BLACK KEY RJM502797-003 36 36 36 36 36 B
73 10338011 W-KEY-B-CPK RJM502794-003 11111 X
74 10338012 W-KEY-CEGB-CPK RJM502862-003 77777 B
75 10338013 W-KEY-DFA-CPK RJM502863-003 77777 B
76 10338015 W-KEY-SC-CPK RJM502796-004 11111 X
77 10338014 W-KEY-SA-CPK RJM502795-004 11111 X
78 10341062 HAMMER ASSY / W1 TK-RJM509600*001 13 13 13 13 13 C
79 10341063 HAMMER ASSY / W2 TK-RJM509601*001 13 13 13 13 13 C
80 10341064 HAMMER ASSY / W3 TK-RJM509602*001 13 13 13 13 13 C
81 10341065 HAMMER ASSY / W4 TK-RJM509603*001 13 13 13 13 13 C
82 10341066 HAMMER ASSY / B1 TK-RJM509604*001 99999 C
83 10341067 HAMMER ASSY / B2 TK-RJM509605*001 99999 C
84 10341068 HAMMER ASSY / B3 TK-RJM509606*001 99999 C
85 10341069 HAMMER ASSY / B4 TK-RJM509607*001 99999 C

86 10340880 PCB ASSY / KYC KYD TK-RJM509609*001 11111 CKYC, KYD PCB
D601-D628 10301580 DIODE LM1MA142WAT1G 28 28 28 28 28 X
D801-D818 10301580 DIODE LM1MA142WAT1G 18 18 18 18 18 X

87 10334333 RUBBER CONTACT / AG1 RJM509219-001 77777 A

88 10334334 RUBBER CONTACT / GC1 RJM509220-001 11111 A

89 10336109 CABLE UL2896-20-280-MACP 11111 X

90 10334298 FABRIC TAPE -15X270 M411937-001 11111 X

91 10341198 PCB ASSY / KYA TK-RJM509622*001 11111 CKYA PCB
D601-D644 10294400 DIODE LM1MA142WKT1G 44 44 44 44 44 X

92 10341199 PCB ASSY / KYB TK-RJM509624*001 11111 CKYB PCB
D801-D844 10294400 DIODE LM1MA142WKT1G 44 44 44 44 44 X

93 10334331 RUBBER CONTACT / AG2 RJM509217-001 77777 A

94 10334332 RUBBER CONTACT / GC2 RJM509218-001 11111 A

95 10336108 CABLE UL2896-30-265-MACP 11111 X

96 10336111 CABLE UL2896-20-120-MACP 11111 X

97 10164446 FABRIC TAPE -20-120 RJM502073-002 22222 X

98 10340855 FELT / KEY RJM510067-001 11111 X

99 10138691 FELT / KEY RJM503562-001 11111 X

100 10306460 PLATE RJM505864-001 22222 X
101 10343387 FABRIC TAPE RJM510100-001 11111 X
102 10334393 FELT / HAMMER RJM509655-001 11111 X
103 10294093 FELT / HAMMER TK-RJM507910*001 11111 X
104 69264590 SPONGE -50-80 M440564-001 22222 X

AP-6BP

– 68 –

AP-6_BLACKPOLISHH_DI_120V1:
AP-6_BLACKPOLISH_DI_230V2:
AP-6_BLACKPOLISH_EU3:
AP-6_BLACKPOLISH_UK4:
AP-6_BLACKPOLISH_US5:

12345

Specification R RemarksN Item Code No. Parts Name

Price
Code

Q'ty

STAND

105 10366643 STAND BOARD ASSY / BACK TK-RJM509957*002 11111 X
106 10366644 STAND BOARD ASSY / L TK-RJM509363*002 11111 X
107 10366645 STAND BOARD ASSY / R TK-RJM509364*002 11111 X
108 10342156 FOOT / A RJM510004-001 22222 X
109 10342157 FOOT / B RJM510005-001 44444 X
110 10246604 CROSS NUT YD-0370163 66666 X
111 10342154 SCREW / FLASH HEAD RJM509946-001 88888 X
112 10259371 CAP / BOLT YD-0391006 44444 X
113 10349650 BOLT RJM510117-001 66666 X
114 10366646 PEDAL BOARD ASSY TK-RJM509355*002 11111 C
115 10263906 PEDAL ASSY TK-RJM507377*001 11111 B
116 10339497 HARNESS / PEDAL EF-SMR5P155MP5 11111 X

VR1 10257246 VARIABLE RESISTOR / PEDAL XV09411N895Z5K1050 11111 X

117 10260690 ADJUSTER FL-20-CR3-KE 11111 X
118 10347186 SCREW SET TK-RJM509378*001 1 1 1 1 X
118 10348388 SCREW SET TK-RJM509378*002 1 X

ACCESSORIES

- 10318806 CORD BC2LT-M001A 1 X for UK AC230V

- 10318804 CORD EC2LT-M001A 1 1 X for EU AC230V

- 10360603 CORD KC2LT-M001B 1 X for Korea AC230V

- 10366647 STAND / MUSICAL SCORE TK-RJM509945*002 11111 X

- 10351228 BENCH MX-CH11D-(D)-A 1 1 1 X

Main PCB: M900-MDA1 (1/2)

(to PSA1/CN24)

(to LCA1/CN3)

PEDAL(to SDA1/CN751)USB

: Not used

AP-6BP

SCHEMATIC DIAGRAMS

– 69 –

Main PCB: M900-MDA1 (2/2)

: Not used

(to KYD1/CN802) (to KYB1/CN804)

AP-6BP

– 70 –

Sub PCB: M907-PSA1 (For 120 V Area) (1/2)

: Not used

(to JKA1/CN502)

(to RIGHT

SPEAKER)

(to RIGHT TWEETER)(to LEFT TWEETER)

(to LEFT

SPEAKER)

(to HPA1/CN701)

(to TRANSFORMER)

(to HPA2/

CN702)

(to MDA1/

CN12)

(to CNA4/CN604)

AP-6BP

– 71 –

Sub PCB: M907-PSA1 (For 120 V Area) (2/2)

: Not used

AP-6BP

– 72 –

Sub PCB: M907-PSA1 (For 230 V Area) (1/2)

: Not used

(to JKA1/CN502)

(to RIGHT

SPEAKER)

(to RIGHT TWEETER)(to LEFT TWEETER)

(to LEFT

SPEAKER)

(to HPA1/CN701)

(to TRANSFORMER)

(to HPA2/

CN702)

(to MDA1/

CN12)

(to CNA4/CN604)

AP-6BP

– 73 –

Sub PCB: M907-PSA1 (For 230 V Area) (2/2)

: Not used

AP-6BP

– 74 –

Console PCB: M901-LCA1 (1/2)

(to MDA1/CN11)

(to CNA1/

CN601)

(to CNA2/

CN602)

: Not used

AP-6BP

– 75 –

Console PCB: M901-LCA1 (2/2)

: Not used

AP-6BP

– 76 –

Console PCB: M901-CNA1

(to LCA1/CN2)

AP-6BP

– 77 –

Console PCB: M901-CNA2

(to LCA1/CN1)

: Not used

AP-6BP

– 78 –

Volume PCB: M901-CNA4 Jack PCB: M902-HPA1

(to PSA1/CN22)

(to PSA1/CN10)

AP-6BP

– 79 –

Jack PCB: M907-JKA1

(to PSA1/CN23)

AP-6BP

– 80 –

Power Supply PCB: M420-ACA1 (For 120 V Area) Power Supply PCB: M420-ACA1 (For 230 V Area)

(to POWER SWITCH)

(to TRANSFORMER)

(to TRANSFORMER)

(to AC-INLET) (to AC-INLET)

(to AC-INLET/CN10)

(to ACA1/

CN2)

POWER
SWITCH

AC-INLET

(to CORD-SET)

TRANSFORMER

(to PSA1)

(to ACA1/

CN1)

(to ACA1/

CN8)

(to ACA1/

CN9)

(to ACA1/

CN7)

(to ACA1/

CN6)

(to POWER SWITCH)

: Not used

(to POWER SWITCH)

(to TRANSFORMER)

(to TRANSFORMER)

(to CORD-SET)

(to ACA1/CN4)

(to ACA1/

CN2)

POWER
SWITCH

TRANSFORMER

(to PSA1)

(to ACA1/

CN1)

(to ACA1/

CN7)

(to ACA1/

CN6)

(to POWER

SWITCH)

: Not used

AP-6BP

– 81 –

SD Card PCB: M810-SDA1 Power Lamp PCB: M902-HPA2

(to MDA1/CN7)

(to PDA2/

CN3)

(to PDA1/

CN2)

(to MDA1/CN5)

(to PSA1/CN1)

Pedal PCB: M332-PDA1/M332-PDA2

AP-6BP

– 82 –

Keyboard PCB: MACP-KYA1

(to KYA2/CN602)

AP-6BP

– 83 –

Keyboard PCB: MACP-KYA2

(to KYA1/CN601)

(to KYB1/CN801)

AP-6BP

– 84 –

Keyboard PCB: MACP-KYB1

(to KYA2/CN603)

(to MDA1/CN1)

(to KYB2/CN803)

AP-6BP

– 85 –

Keyboard PCB: MACP-KYB2

(to KYB1/CN802)

AP-6BP

– 86 –

Keyboard PCB: MACP-KYC1

(to KYD1/CN801)

AP-6BP

– 87 –

Keyboard PCB: MACP-KYC2

(to KYD1/CN803)

AP-6BP

– 88 –

Keyboard PCB: MACP-KYD1

(to KYC1/CN601)

(to MDA1/CN2)

(to KYC2/CN602)

AP-6BP

– 89 –

CASIO COMPUTER CO.,LTD.

Overseas Service Division

6-2, Hon-machi 1-Chome

Shibuya-ku, Tokyo 151-8543, Japan